mirror of https://github.com/mkerrisk/man-pages
strip trailing white space
This commit is contained in:
parent
a9445f5171
commit
988db66164
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@ -8,7 +8,7 @@
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|||
.\" manual under the conditions for verbatim copying, provided that the
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.\" entire resulting derived work is distributed under the terms of a
|
||||
.\" permission notice identical to this one.
|
||||
.\"
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||||
.\"
|
||||
.\" Since the Linux kernel and libraries are constantly changing, this
|
||||
.\" manual page may be incorrect or out-of-date. The author(s) assume no
|
||||
.\" responsibility for errors or omissions, or for damages resulting from
|
||||
|
@ -16,7 +16,7 @@
|
|||
.\" have taken the same level of care in the production of this manual,
|
||||
.\" which is licensed free of charge, as they might when working
|
||||
.\" professionally.
|
||||
.\"
|
||||
.\"
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||||
.\" Formatted or processed versions of this manual, if unaccompanied by
|
||||
.\" the source, must acknowledge the copyright and authors of this work.
|
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.\"
|
||||
|
@ -77,7 +77,7 @@ A session might go like
|
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Tue Aug 6 23:50:44 CEST 2002
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.BI "% " cal
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August 2002
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Su Mo Tu We Th Fr Sa
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Su Mo Tu We Th Fr Sa
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1 2 3
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4 5 6 7 8 9 10
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11 12 13 14 15 16 17
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|
|
|
@ -90,7 +90,7 @@ On the other hand,
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does close open file descriptors, and this may cause an unknown delay,
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waiting for pending output to finish.
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If the delay is undesired,
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it may be useful to call functions like
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it may be useful to call functions like
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.BR tcflush (3)
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before calling
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.BR _exit ().
|
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|
|
|
@ -43,7 +43,7 @@ and
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|||
were introduced in Linux 2.5.36 and removed again in 2.5.54.
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They existed only on i386 and ia64 (when built with CONFIG_HUGETLB_PAGE).
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In Linux 2.4.20 the syscall numbers exist,
|
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but the calls fail with the error
|
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but the calls fail with the error
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.BR ENOSYS .
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.LP
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On i386 the memory management hardware knows about ordinary pages (4 KiB)
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|
|
|
@ -294,11 +294,11 @@ main(int argc, char *argv[])
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|||
if (bind(sfd, (struct sockaddr *) &my_addr,
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sizeof(struct sockaddr_un)) == \-1)
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die("bind");
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|
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|
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if (listen(sfd, LISTEN_BACKLOG) == \-1)
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die("listen");
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/* Now we can accept incoming connections one
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/* Now we can accept incoming connections one
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at a time using accept(2) */
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|
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peer_addr_size = sizeof(struct sockaddr_un);
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|
|
|
@ -32,10 +32,10 @@ cacheflush \- flush contents of instruction and/or data cache
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.fi
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.SH DESCRIPTION
|
||||
.BR cacheflush ()
|
||||
flushes the contents of the indicated cache(s) for the
|
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flushes the contents of the indicated cache(s) for the
|
||||
user addresses in the range
|
||||
.I addr
|
||||
to
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||||
to
|
||||
.IR (addr+nbytes-1) .
|
||||
.IR cache
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||||
may be one of:
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|
@ -58,18 +58,18 @@ will indicate the error.
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.SH ERRORS
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.TP
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.B EFAULT
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||||
Some or all of the address range
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Some or all of the address range
|
||||
.I addr
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||||
to
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||||
to
|
||||
.I (addr+nbytes-1)
|
||||
is not accessible.
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.TP
|
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.B EINVAL
|
||||
.I cache
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is not one of
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is not one of
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.BR ICACHE ,
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.BR DCACHE ,
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or
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.BR DCACHE ,
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or
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.BR BCACHE .
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.SH CONFORMING TO
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This Linux-specific system call is only available on MIPS based systems.
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|
|
|
@ -30,7 +30,7 @@ epoll_wait, epoll_pwait \- wait for an I/O event on an epoll file descriptor
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|||
.BI "int epoll_wait(int " epfd ", struct epoll_event *" events ,
|
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.BI " int " maxevents ", int " timeout );
|
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.BI "int epoll_pwait(int " epfd ", struct epoll_event *" events ,
|
||||
.BI " int " maxevents ", int " timeout ,
|
||||
.BI " int " maxevents ", int " timeout ,
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||||
.BI " const sigset_t *" sigmask );
|
||||
.fi
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.SH DESCRIPTION
|
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|
@ -166,7 +166,7 @@ is less than or equal to zero.
|
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.BR epoll_pwait ()
|
||||
was added to Linux in kernel 2.6.19.
|
||||
|
||||
Glibc support for
|
||||
Glibc support for
|
||||
.BR epoll_pwait ()
|
||||
is provided starting with version 2.6.
|
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.SH CONFORMING TO
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|
|
|
@ -78,8 +78,8 @@ after a successful
|
|||
.BR execve ().
|
||||
|
||||
If the set-user-ID bit is set on the program file pointed to by
|
||||
\fIfilename\fP,
|
||||
and the underlying file system is not mounted
|
||||
\fIfilename\fP,
|
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and the underlying file system is not mounted
|
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.IR nosuid
|
||||
(the
|
||||
.B MS_NOSUID
|
||||
|
@ -211,7 +211,7 @@ For the handling of capabilities during
|
|||
see
|
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.BR capabilities (7).
|
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.IP * 4
|
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By default, file descriptors remain open across an
|
||||
By default, file descriptors remain open across an
|
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.BR execve ().
|
||||
File descriptors that are marked close-on-exec are closed
|
||||
; see the description of
|
||||
|
@ -223,7 +223,7 @@ of all record locks obtained on the underlying file by this process.
|
|||
See
|
||||
.BR fcntl (2)
|
||||
for details.)
|
||||
POSIX.1-2001 says that if file descriptors 0, 1, and 2 would
|
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POSIX.1-2001 says that if file descriptors 0, 1, and 2 would
|
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otherwise be closed after a successful
|
||||
.BR execve (),
|
||||
and the process would gain privilege because the set-user_ID or
|
||||
|
@ -231,14 +231,14 @@ set-group_ID permission bit was set on the executed file,
|
|||
then the system may open an unspecified file for each of these
|
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file descriptors.
|
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As a general principle, no portable program, whether privileged or not,
|
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can assume that these three file descriptors will remain
|
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can assume that these three file descriptors will remain
|
||||
closed across an
|
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.BR execve ().
|
||||
.\" On Linux it appears that these file descriptors are
|
||||
.\" always open after an execve(), and it looks like
|
||||
.\" Solaris 8 and FreeBSD 6.1 are the same. -- mtk, 30 Apr 2007
|
||||
.SS Interpreter scripts
|
||||
An interpreter script is a text file that has execute
|
||||
An interpreter script is a text file that has execute
|
||||
permission enabled and whose first line is of the form:
|
||||
|
||||
.in +0.5i
|
||||
|
@ -247,15 +247,15 @@ permission enabled and whose first line is of the form:
|
|||
.fi
|
||||
.in
|
||||
|
||||
The
|
||||
.I interpreter
|
||||
The
|
||||
.I interpreter
|
||||
must be a valid pathname for an
|
||||
executable which is not itself a script.
|
||||
If the
|
||||
If the
|
||||
.I filename
|
||||
argument of
|
||||
.BR execve ()
|
||||
specifies an interpreter script, then
|
||||
specifies an interpreter script, then
|
||||
.I interpreter
|
||||
will be invoked with the following arguments:
|
||||
|
||||
|
@ -267,9 +267,9 @@ will be invoked with the following arguments:
|
|||
|
||||
where
|
||||
.I arg...
|
||||
is the series of words pointed to by the
|
||||
is the series of words pointed to by the
|
||||
.I argv
|
||||
argument of
|
||||
argument of
|
||||
.BR execve ().
|
||||
|
||||
For portable use,
|
||||
|
@ -401,14 +401,14 @@ a #! executable shell script.
|
|||
The semantics of the
|
||||
.I optional-arg
|
||||
argument of an interpreter script vary across implementations.
|
||||
On Linux, the entire string following the
|
||||
On Linux, the entire string following the
|
||||
.I interpreter
|
||||
name is passed as a single argument to the interpreter,
|
||||
and this string can include white space.
|
||||
However, behavior differs on some other systems.
|
||||
Some systems
|
||||
.\" e.g., Solaris 8
|
||||
use the first white space to terminate
|
||||
use the first white space to terminate
|
||||
.IR optional-arg .
|
||||
On some systems,
|
||||
.\" e.g., FreeBSD before 6.0, but not FreeBSD 6.0 onwards
|
||||
|
@ -417,7 +417,7 @@ and white spaces in
|
|||
.I optional-arg
|
||||
are used to delimit the arguments.
|
||||
|
||||
On Linux,
|
||||
On Linux,
|
||||
.I argv
|
||||
and
|
||||
.I envp
|
||||
|
@ -437,7 +437,7 @@ on most other Unix systems doing this will result in an error.
|
|||
.\" Some Linux versions have failed to check permissions on ELF
|
||||
.\" interpreters. This is a security hole, because it allows users to
|
||||
.\" open any file, such as a rewinding tape device, for reading. Some
|
||||
.\" Linux versions have also had other security holes in
|
||||
.\" Linux versions have also had other security holes in
|
||||
.\" .BR execve (2)
|
||||
.\" that could be exploited for denial of service by a suitably crafted
|
||||
.\" ELF binary. There are no known problems with 2.0.34 or 2.2.15.
|
||||
|
@ -494,7 +494,7 @@ main(int argc, char *argv[])
|
|||
char *newargv[] = { NULL, "hello", "world", NULL };
|
||||
char *newenviron[] = { NULL };
|
||||
|
||||
assert(argc == 2); /* argv[1] identifies
|
||||
assert(argc == 2); /* argv[1] identifies
|
||||
program to exec */
|
||||
newargv[0] = argv[1];
|
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|
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|
|
12
man2/fcntl.2
12
man2/fcntl.2
|
@ -559,7 +559,7 @@ with
|
|||
.B O_NONBLOCK
|
||||
set etc.) to determine which file descriptors are available for I/O.
|
||||
.sp
|
||||
By selecting a real time signal (value >=
|
||||
By selecting a real time signal (value >=
|
||||
.BR SIGRTMIN ),
|
||||
multiple I/O events may be queued using the same signal numbers.
|
||||
(Queuing is dependent on available memory).
|
||||
|
@ -925,7 +925,7 @@ are specified in POSIX.1-2001.
|
|||
and
|
||||
.BR F_SETLEASE
|
||||
are Linux specific.
|
||||
(Define the
|
||||
(Define the
|
||||
.BR _GNU_SOURCE
|
||||
macro to obtain these definitions.)
|
||||
.\" .PP
|
||||
|
@ -978,7 +978,7 @@ will contain the (positive) process group ID.
|
|||
.\" mtk, Dec 04: some limited testing on alpha and ia64 seems to
|
||||
.\" indicate that ANY negative PGID value will cause F_GETOWN
|
||||
.\" to misinterpret the return as an error. Some other architectures
|
||||
.\" seem to have the same range check as x86.
|
||||
.\" seem to have the same range check as x86.
|
||||
|
||||
In Linux 2.4 and earlier, there is bug that can occur
|
||||
when an unprivileged process uses
|
||||
|
@ -1006,8 +1006,8 @@ and signals will be sent to the owner.
|
|||
.BR feature_test_macros (7)
|
||||
.P
|
||||
See also
|
||||
.IR Documentation/locks.txt ,
|
||||
.IR Documentation/mandatory.txt ,
|
||||
and
|
||||
.IR Documentation/locks.txt ,
|
||||
.IR Documentation/mandatory.txt ,
|
||||
and
|
||||
.I Documentation/dnotify.txt
|
||||
in the kernel source.
|
||||
|
|
|
@ -81,7 +81,7 @@ On POSIX systems on which
|
|||
.BR fdatasync ()
|
||||
is available,
|
||||
.B _POSIX_SYNCHRONIZED_IO
|
||||
is defined in
|
||||
is defined in
|
||||
.I <unistd.h>
|
||||
to a value greater than 0.
|
||||
(See also
|
||||
|
@ -90,7 +90,7 @@ to a value greater than 0.
|
|||
.\" -1: unavailable, 0: ask using sysconf().
|
||||
.\" glibc defines them to 1.
|
||||
.SH NOTES
|
||||
In Linux 2.2 and earlier,
|
||||
In Linux 2.2 and earlier,
|
||||
.BR fdatasync ()
|
||||
is equivalent to
|
||||
.BR fsync (2),
|
||||
|
|
|
@ -207,5 +207,5 @@ and occurs on many other implementations.)
|
|||
See also
|
||||
.I Documentation/locks.txt
|
||||
and
|
||||
.I Documentation/mandatory.txt
|
||||
.I Documentation/mandatory.txt
|
||||
in the kernel source.
|
||||
|
|
|
@ -125,11 +125,11 @@ None defined.
|
|||
SUSv2, POSIX.1-2001.
|
||||
.SH NOTES
|
||||
The earliest incarnation of this mechanism was the
|
||||
.BR setjmp (3)/ longjmp (3)
|
||||
.BR setjmp (3)/ longjmp (3)
|
||||
mechanism.
|
||||
Since that does not define
|
||||
the handling of the signal context, the next stage was the
|
||||
.BR sigsetjmp (3)/ siglongjmp (3)
|
||||
.BR sigsetjmp (3)/ siglongjmp (3)
|
||||
pair.
|
||||
The present mechanism gives much more control.
|
||||
On the other hand,
|
||||
|
|
|
@ -132,7 +132,7 @@ passed by-value or by-pointer (for aggregates like structs).
|
|||
.\" .I <sys/syscall.h>
|
||||
.\" header file contains the required SYS_foo definition.
|
||||
.\" Otherwise, the use of a _syscall macro is required.
|
||||
.\"
|
||||
.\"
|
||||
.SH EXAMPLE
|
||||
.sp
|
||||
.nf
|
||||
|
|
|
@ -51,7 +51,7 @@ sets the port access permission bits for the calling process for
|
|||
If \fIturn_on\fP is non-zero, the calling process must be privileged
|
||||
.RB ( CAP_SYS_RAWIO ).
|
||||
|
||||
.\" FIXME is the following ("Only the first 0x3ff I/O ports can be
|
||||
.\" FIXME is the following ("Only the first 0x3ff I/O ports can be
|
||||
.\" specified in this manner") still true? Looking at changes in
|
||||
.\" include/asm-i386/processor.h between 2.4 and 2.6 suggests
|
||||
.\" that the limit is different in 2.6.
|
||||
|
|
|
@ -124,7 +124,7 @@ Linux allows a process to signal itself, but on Linux the call
|
|||
POSIX.1-2001 requires that if a process sends a signal to itself,
|
||||
and the sending thread does not have the signal blocked,
|
||||
and no other thread
|
||||
has it unblocked or is waiting for it in
|
||||
has it unblocked or is waiting for it in
|
||||
.BR sigwait (3),
|
||||
at least one
|
||||
unblocked signal must be delivered to the sending thread before the
|
||||
|
|
|
@ -188,7 +188,7 @@ This flag is ignored.
|
|||
.B MAP_FILE
|
||||
Compatibility flag.
|
||||
Ignored.
|
||||
.\" On some systems, this was required as the opposite of
|
||||
.\" On some systems, this was required as the opposite of
|
||||
.\" MAP_ANONYMOUS -- mtk, 1 May 2007
|
||||
.TP
|
||||
.B MAP_FIXED
|
||||
|
|
|
@ -41,13 +41,13 @@ mprotect \- set protection on a region of memory
|
|||
.SH DESCRIPTION
|
||||
.BR mprotect ()
|
||||
changes protection for the calling process's memory page(s)
|
||||
containing any part of the address range in the
|
||||
containing any part of the address range in the
|
||||
interval [\fIaddr\fP,\fIaddr\fP+\fIlen\fP\-1].
|
||||
.I addr
|
||||
must be aligned to a page boundary.
|
||||
|
||||
If the calling process tries to access memory in a manner
|
||||
that violates the protection, then the kernel generates a
|
||||
that violates the protection, then the kernel generates a
|
||||
.B SIGSEGV
|
||||
signal for the process.
|
||||
.PP
|
||||
|
@ -167,7 +167,7 @@ char *buffer;
|
|||
static void
|
||||
handler(int sig, siginfo_t *si, void *unused)
|
||||
{
|
||||
printf("Got SIGSEGV at address: 0x%lx\\n",
|
||||
printf("Got SIGSEGV at address: 0x%lx\\n",
|
||||
(long) si\->si_addr);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
@ -189,7 +189,7 @@ main(int argc, char *argv[])
|
|||
if (pagesize == \-1)
|
||||
die("sysconf");
|
||||
|
||||
/* Allocate a buffer aligned on a page boundary;
|
||||
/* Allocate a buffer aligned on a page boundary;
|
||||
initial protection is PROT_READ | PROT_WRITE */
|
||||
|
||||
buffer = memalign(pagesize, 4 * pagesize);
|
||||
|
@ -198,7 +198,7 @@ main(int argc, char *argv[])
|
|||
|
||||
printf("Start of region: 0x%lx\\n", (long) buffer);
|
||||
|
||||
if (mprotect(buffer + pagesize * 2, pagesize,
|
||||
if (mprotect(buffer + pagesize * 2, pagesize,
|
||||
PROT_NONE) == \-1)
|
||||
die("mprotect");
|
||||
|
||||
|
|
|
@ -497,7 +497,7 @@ One may have to define the
|
|||
.B _GNU_SOURCE
|
||||
macro to get their definitions.
|
||||
.SH NOTES
|
||||
Under Linux, the
|
||||
Under Linux, the
|
||||
.B O_NONBLOCK
|
||||
flag indicates that one wants to open
|
||||
but does not necessarily have the intention to read or write.
|
||||
|
@ -561,7 +561,7 @@ permissions, but UID mapping is performed by the server upon
|
|||
read and write requests.
|
||||
|
||||
If the file is newly created, its
|
||||
.IR st_atime ,
|
||||
.IR st_atime ,
|
||||
.IR st_ctime ,
|
||||
.I st_mtime
|
||||
fields
|
||||
|
@ -571,11 +571,11 @@ time of last modification; see
|
|||
are set
|
||||
to the current time, and so are the
|
||||
.I st_ctime
|
||||
and
|
||||
and
|
||||
.I st_mtime
|
||||
fields of the
|
||||
parent directory.
|
||||
Otherwise, if the file is modified because of the
|
||||
Otherwise, if the file is modified because of the
|
||||
.B O_TRUNC
|
||||
flag, its st_ctime and st_mtime fields are set to the current time.
|
||||
.SH BUGS
|
||||
|
|
|
@ -61,13 +61,13 @@ On success zero is returned.
|
|||
On error, \-1 is returned and errno is set appropriately.
|
||||
.TP
|
||||
.BR pciconfig_iobase ()
|
||||
Returns information on locations of various I/O
|
||||
Returns information on locations of various I/O
|
||||
regions in physical memory according to the
|
||||
.I which
|
||||
value.
|
||||
Values for
|
||||
.I which
|
||||
are: IOBASE_BRIDGE_NUMBER, IOBASE_MEMORY,
|
||||
are: IOBASE_BRIDGE_NUMBER, IOBASE_MEMORY,
|
||||
IOBASE_IO, IOBASE_ISA_IO, IOBASE_ISA_MEM.
|
||||
.SH ERRORS
|
||||
.TP
|
||||
|
|
|
@ -76,7 +76,7 @@ the same directory as \fInew_root\fP.
|
|||
.IP \- 3
|
||||
No other file system may be mounted on \fIput_old\fP.
|
||||
.PP
|
||||
See also
|
||||
See also
|
||||
.BR pivot_root (8)
|
||||
for additional usage examples.
|
||||
|
||||
|
|
|
@ -379,7 +379,7 @@ detached in this way regardless of which method was used to initiate
|
|||
tracing.
|
||||
(\fIaddr\fP is ignored.)
|
||||
.SH "RETURN VALUE"
|
||||
On success,
|
||||
On success,
|
||||
.BR PTRACE_PEEK*
|
||||
requests return the requested data,
|
||||
while other requests return zero.
|
||||
|
|
|
@ -38,7 +38,7 @@
|
|||
.\" Q_SYNC
|
||||
.\"
|
||||
.\" Linux 2.4 has:
|
||||
.\"
|
||||
.\"
|
||||
.\" Q_COMP_QUOTAOFF
|
||||
.\" Q_COMP_QUOTAON
|
||||
.\" Q_COMP_SYNC
|
||||
|
|
12
man2/readv.2
12
man2/readv.2
|
@ -45,7 +45,7 @@ function reads
|
|||
buffers from the file associated with the file descriptor
|
||||
.I fd
|
||||
into the buffers described by
|
||||
.IR iov
|
||||
.IR iov
|
||||
("scatter input").
|
||||
.PP
|
||||
The
|
||||
|
@ -55,12 +55,12 @@ function writes
|
|||
buffers of data described by
|
||||
.I iov
|
||||
to the file associated with the file descriptor
|
||||
.IR fd
|
||||
.IR fd
|
||||
("gather output").
|
||||
.PP
|
||||
The pointer
|
||||
.I iov
|
||||
points to an array of
|
||||
points to an array of
|
||||
.I iovec
|
||||
structures,
|
||||
defined in
|
||||
|
@ -94,7 +94,7 @@ This means that
|
|||
.BR readv ()
|
||||
completely fills
|
||||
.IR iov [0]
|
||||
before proceeding to
|
||||
before proceeding to
|
||||
.IR iov [1],
|
||||
and so on.
|
||||
(If there is insufficient data, then not all buffers pointed to by
|
||||
|
@ -104,7 +104,7 @@ Similarly,
|
|||
.BR writev ()
|
||||
writes out the entire contents of
|
||||
.IR iov [0]
|
||||
before proceeding to
|
||||
before proceeding to
|
||||
.IR iov [1],
|
||||
and so on.
|
||||
.PP
|
||||
|
@ -123,7 +123,7 @@ analogously,
|
|||
is guaranteed to read a contiguous block of data from the file,
|
||||
regardless of read operations performed in other threads or processes
|
||||
that have file descriptors referring to the same open file description
|
||||
(see
|
||||
(see
|
||||
.BR open (2)).
|
||||
.SH "RETURN VALUE"
|
||||
On success, the
|
||||
|
|
|
@ -100,7 +100,7 @@ The default quantum is 0.1 seconds;
|
|||
the degree to which changing the nice value affects the
|
||||
quantum has varied somewhat across kernel versions.
|
||||
.\" .SH BUGS
|
||||
.\" As of Linux 1.3.81
|
||||
.\" As of Linux 1.3.81
|
||||
.\" .BR sched_rr_get_interval ()
|
||||
.\" returns with error
|
||||
.\" ENOSYS, because SCHED_RR has not yet been fully implemented and tested
|
||||
|
|
|
@ -384,7 +384,7 @@ the implementation dependent maximum value for
|
|||
.BR semtimedop ()
|
||||
first appeared in Linux 2.5.52,
|
||||
and was subsequently backported into kernel 2.4.22.
|
||||
Glibc support for
|
||||
Glibc support for
|
||||
.BR semtimedop ()
|
||||
first appeared in version 2.3.3.
|
||||
.SH "CONFORMING TO"
|
||||
|
|
|
@ -477,7 +477,7 @@ for details on manipulating signal sets.
|
|||
.PP
|
||||
See
|
||||
.BR signal (7)
|
||||
for a list of the async-signal-safe functions that can be
|
||||
for a list of the async-signal-safe functions that can be
|
||||
safely called inside from inside a signal handler.
|
||||
.SS Undocumented
|
||||
Before the introduction of
|
||||
|
|
|
@ -38,7 +38,7 @@ signal \- ANSI C signal handling
|
|||
.sp
|
||||
.BI "sighandler_t signal(int " signum ", sighandler_t " handler );
|
||||
.SH DESCRIPTION
|
||||
The behavior of
|
||||
The behavior of
|
||||
.BR signal ()
|
||||
varies across Unix versions,
|
||||
and has also varied historically across different versions of Linux.
|
||||
|
@ -102,7 +102,7 @@ is invalid.
|
|||
.SH "CONFORMING TO"
|
||||
C89, C99, POSIX.1-2001.
|
||||
.SH NOTES
|
||||
The effects of
|
||||
The effects of
|
||||
.BR signal ()
|
||||
in a multi-threaded process are unspecified.
|
||||
.PP
|
||||
|
@ -133,7 +133,7 @@ is set to
|
|||
.PP
|
||||
See
|
||||
.BR signal (7)
|
||||
for a list of the async-signal-safe functions that can be
|
||||
for a list of the async-signal-safe functions that can be
|
||||
safely called inside from inside a signal handler.
|
||||
.PP
|
||||
The use of
|
||||
|
|
12
man2/stat.2
12
man2/stat.2
|
@ -380,7 +380,7 @@ does not return the file size in the
|
|||
.I st_size
|
||||
field; instead the field is returned with the value 0.
|
||||
.SH EXAMPLE
|
||||
The following program calls
|
||||
The following program calls
|
||||
.BR stat (2)
|
||||
and displays selected fields in the returned
|
||||
.I stat
|
||||
|
@ -391,7 +391,7 @@ structure.
|
|||
#include <sys/stat.h>
|
||||
#include <time.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
|
@ -422,18 +422,18 @@ main(int argc, char *argv[])
|
|||
|
||||
printf("I\-node number: %ld\\n", (long) sb.st_ino);
|
||||
|
||||
printf("Mode: %lo (octal)\\n",
|
||||
printf("Mode: %lo (octal)\\n",
|
||||
(unsigned long) sb.st_mode);
|
||||
|
||||
printf("Link count: %ld\\n", (long) sb.st_nlink);
|
||||
printf("Ownership: UID=%ld GID=%ld\\n",
|
||||
(long) sb.st_uid, (long) sb.st_gid);
|
||||
|
||||
printf("Preferred I/O block size: %ld bytes\\n",
|
||||
printf("Preferred I/O block size: %ld bytes\\n",
|
||||
(long) sb.st_blksize);
|
||||
printf("File size: %lld bytes\\n",
|
||||
printf("File size: %lld bytes\\n",
|
||||
(long long) sb.st_size);
|
||||
printf("Blocks allocated: %lld\\n",
|
||||
printf("Blocks allocated: %lld\\n",
|
||||
(long long) sb.st_blocks);
|
||||
|
||||
printf("Last inode change: %s", ctime(&sb.st_ctime));
|
||||
|
|
|
@ -137,7 +137,7 @@ The system has insufficient memory to start swapping.
|
|||
.B EPERM
|
||||
The caller does not have the
|
||||
.B CAP_SYS_ADMIN
|
||||
capability.
|
||||
capability.
|
||||
Alternatively, the maximum number of swap files are already in use;
|
||||
see NOTES below.
|
||||
.SH "CONFORMING TO"
|
||||
|
|
|
@ -144,9 +144,9 @@ main(void)
|
|||
args.nlen = sizeof(name)/sizeof(name[0]);
|
||||
args.oldval = osname;
|
||||
args.oldlenp = &osnamelth;
|
||||
|
||||
|
||||
osnamelth = sizeof(osname);
|
||||
|
||||
|
||||
if (syscall(SYS__sysctl, &args) == \-1) {
|
||||
perror("_sysctl");
|
||||
exit(EXIT_FAILURE);
|
||||
|
|
|
@ -77,7 +77,7 @@ Only function 3 is allowed to non-root processes.
|
|||
The kernel has a cyclic buffer of length LOG_BUF_LEN
|
||||
(4096, since 1.3.54: 8192, since 2.1.113: 16384; in recent kernels
|
||||
the size can be set at compile time) in which messages given as argument
|
||||
to the kernel function
|
||||
to the kernel function
|
||||
.BR printk ()
|
||||
are stored
|
||||
(regardless of their loglevel).
|
||||
|
|
|
@ -47,7 +47,7 @@ write \- write to a file descriptor
|
|||
.BR write ()
|
||||
writes up to
|
||||
.I count
|
||||
bytes from the buffer pointed
|
||||
bytes from the buffer pointed
|
||||
.IR buf
|
||||
to the file referred to by the file descriptor
|
||||
.IR fd.
|
||||
|
|
|
@ -91,7 +91,7 @@ as the function result of
|
|||
.BR backtrace_symbols ().
|
||||
This array is
|
||||
.BR malloc (3)ed
|
||||
by
|
||||
by
|
||||
.BR backtrace_symbols (),
|
||||
and must be freed by the caller.
|
||||
(The strings pointed to by
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
.\" This page was initially taken from the 4.4BSD-Lite CDROM (BSD license)
|
||||
.\" with substantial updates
|
||||
.\" with substantial updates
|
||||
.\" Copyright (C) 2007, Michael Kerrisk <mtk-manpages@gmx.net>
|
||||
.\"
|
||||
.\" @(#)bindresvport.3n 2.2 88/08/02 4.0 RPCSRC; from 1.7 88/03/14 SMI
|
||||
|
@ -30,7 +30,7 @@ is 0 then an anonymous port in the range 600 to 1023
|
|||
be chosen.
|
||||
If the
|
||||
.BR bind (2)
|
||||
performed by
|
||||
performed by
|
||||
.BR bindresvport ()
|
||||
is successful, then
|
||||
.I sin\->sin_port
|
||||
|
@ -41,8 +41,8 @@ can be NULL, in which case
|
|||
.I sin\->sin_family
|
||||
is implicitly taken to be
|
||||
.BR AF_INET ,
|
||||
and an anonymous port is allocated (as above).
|
||||
However, in this case,
|
||||
and an anonymous port is allocated (as above).
|
||||
However, in this case,
|
||||
.BR bindresvport ()
|
||||
has no way to return the port number actually allocated.
|
||||
.SH RETURN VALUE
|
||||
|
@ -67,7 +67,7 @@ In addition, the following error may occur:
|
|||
.I sin
|
||||
is not NULL and
|
||||
.I sin\->sin_family
|
||||
is not
|
||||
is not
|
||||
.BR AF_INET .
|
||||
.SH SEE ALSO
|
||||
.BR bind (2)
|
||||
|
|
|
@ -72,7 +72,7 @@ On modern Linux systems,
|
|||
and
|
||||
.BR signal (2)
|
||||
are equivalent.
|
||||
But on older systems,
|
||||
But on older systems,
|
||||
.BR signal (2)
|
||||
provided unreliable signal semantics; see
|
||||
.BR signal (2)
|
||||
|
@ -81,7 +81,7 @@ for details.
|
|||
The use of
|
||||
.B sighandler_t
|
||||
is a GNU extension;
|
||||
this type is only defined if
|
||||
this type is only defined if
|
||||
the _GNU_SOURCE feature test macro is defined.
|
||||
.SH "SEE ALSO"
|
||||
.BR sigaction (2),
|
||||
|
|
|
@ -58,7 +58,7 @@ but changed its mind and scheduled these functions for some
|
|||
later issue of this standard (cf. B.4.6.1).
|
||||
However, POSIX.1-2001
|
||||
only adds
|
||||
.BR putenv (3),
|
||||
.BR putenv (3),
|
||||
and rejected
|
||||
.BR clearenv ().
|
||||
.SH NOTES
|
||||
|
|
|
@ -290,7 +290,7 @@ or
|
|||
.I sync
|
||||
routines.
|
||||
Modifications to the database during a sequential scan will be reflected
|
||||
in the scan, that is,
|
||||
in the scan, that is,
|
||||
records inserted behind the cursor will not be returned
|
||||
while records inserted in front of the cursor will be returned.
|
||||
.IP
|
||||
|
|
|
@ -446,7 +446,7 @@ gcc \-rdynamic \-o foo foo.c \-ldl
|
|||
.PP
|
||||
Libraries exporting
|
||||
.BR _init ()
|
||||
and
|
||||
and
|
||||
.BR _fini ()
|
||||
will want to be compiled as
|
||||
follows, using \fIbar.c\fP as the example name:
|
||||
|
|
|
@ -39,7 +39,7 @@ Like
|
|||
.BR euidaccess ()
|
||||
checks permissions and existence of the file identified by its argument
|
||||
.IR pathname .
|
||||
However, whereas
|
||||
However, whereas
|
||||
.BR access (2),
|
||||
performs checks using the real user and group identifiers of the process,
|
||||
.BR euidaccess ()
|
||||
|
@ -48,7 +48,7 @@ uses the effective identifiers.
|
|||
.I mode
|
||||
is a mask consisting of one or more of
|
||||
.BR R_OK ", " W_OK ", " X_OK " and " F_OK ,
|
||||
with the same meanings as for
|
||||
with the same meanings as for
|
||||
.BR access (2).
|
||||
|
||||
.BR eaccess ()
|
||||
|
@ -74,7 +74,7 @@ Some other systems have an
|
|||
function.
|
||||
.SH NOTES
|
||||
.SS Glibc Notes
|
||||
The
|
||||
The
|
||||
.BR eaccess ()
|
||||
function was added to glibc in version 2.4.
|
||||
.SH "SEE ALSO"
|
||||
|
|
|
@ -149,7 +149,7 @@ If the header of a file isn't recognized (the attempted
|
|||
.BR execve (2)
|
||||
returned
|
||||
.BR ENOEXEC ),
|
||||
these functions will execute the shell
|
||||
these functions will execute the shell
|
||||
.RI ( /bin/sh )
|
||||
with the path of the file as its first argument.
|
||||
(If this attempt fails, no further searching is done.)
|
||||
|
|
|
@ -128,7 +128,7 @@ it is not interested in the exit status, but is not waiting,
|
|||
the exiting process turns into a "zombie" process
|
||||
(which is nothing but a container for the single byte representing
|
||||
the exit status) so that the parent can learn the exit status when
|
||||
it later calls one of the
|
||||
it later calls one of the
|
||||
.BR wait (2)
|
||||
functions.
|
||||
.LP
|
||||
|
|
|
@ -35,7 +35,7 @@ For a non-locking counterpart, see
|
|||
.SH "RETURN VALUE"
|
||||
The
|
||||
.BR fputws ()
|
||||
function returns a
|
||||
function returns a
|
||||
non-negative integer if the operation was
|
||||
successful, or \-1 to indicate an error.
|
||||
.SH "CONFORMING TO"
|
||||
|
|
|
@ -456,12 +456,12 @@ This is the server:
|
|||
.in +0.25i
|
||||
.nf
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/types.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netdb.h>
|
||||
|
||||
#define BUF_SIZE 500
|
||||
|
@ -495,12 +495,12 @@ main(int argc, char *argv[])
|
|||
}
|
||||
|
||||
/* getaddrinfo() returns a list of address structures.
|
||||
Try each address until we successfully bind().
|
||||
If socket(2) (or bind(2)) fails, we (close the socket
|
||||
Try each address until we successfully bind().
|
||||
If socket(2) (or bind(2)) fails, we (close the socket
|
||||
and) try the next address. */
|
||||
|
||||
for (rp = result; rp != NULL; rp = rp\->ai_next) {
|
||||
sfd = socket(rp\->ai_family, rp\->ai_socktype,
|
||||
sfd = socket(rp\->ai_family, rp\->ai_socktype,
|
||||
rp\->ai_protocol);
|
||||
if (sfd == \-1)
|
||||
continue;
|
||||
|
@ -522,26 +522,26 @@ main(int argc, char *argv[])
|
|||
|
||||
for (;;) {
|
||||
peer_addr_len = sizeof(struct sockaddr_storage);
|
||||
nread = recvfrom(sfd, buf, BUF_SIZE, 0,
|
||||
nread = recvfrom(sfd, buf, BUF_SIZE, 0,
|
||||
(struct sockaddr *) &peer_addr, &peer_addr_len);
|
||||
if (nread == \-1)
|
||||
continue; /* Ignore failed request */
|
||||
|
||||
char host[NI_MAXHOST], service[NI_MAXSERV];
|
||||
|
||||
s = getnameinfo((struct sockaddr *) &peer_addr,
|
||||
|
||||
s = getnameinfo((struct sockaddr *) &peer_addr,
|
||||
peer_addr_len, host, NI_MAXHOST,
|
||||
service, NI_MAXSERV, NI_NUMERICSERV);
|
||||
if (s == 0)
|
||||
if (s == 0)
|
||||
printf("Received %ld bytes from %s:%s\\n",
|
||||
(long) nread, host, service);
|
||||
else
|
||||
fprintf(stderr, "getnameinfo: %s\\n", gai_strerror(s));
|
||||
|
||||
|
||||
if (sendto(sfd, buf, nread, 0,
|
||||
if (sendto(sfd, buf, nread, 0,
|
||||
(struct sockaddr *) &peer_addr,
|
||||
peer_addr_len) != nread)
|
||||
peer_addr_len) != nread)
|
||||
fprintf(stderr, "Error sending response\\n");
|
||||
}
|
||||
}
|
||||
|
@ -552,13 +552,13 @@ This is the client:
|
|||
.in +0.25i
|
||||
.nf
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netdb.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
|
||||
#define BUF_SIZE 500
|
||||
|
||||
|
@ -593,15 +593,15 @@ main(int argc, char *argv[])
|
|||
|
||||
/* getaddrinfo() returns a list of address structures.
|
||||
Try each address until we successfully connect().
|
||||
If socket() (or connect()) fails, we (close the socket
|
||||
If socket() (or connect()) fails, we (close the socket
|
||||
and) try the next address. */
|
||||
|
||||
for (rp = result; rp != NULL; rp = rp\->ai_next) {
|
||||
sfd = socket(rp\->ai_family, rp\->ai_socktype,
|
||||
sfd = socket(rp\->ai_family, rp\->ai_socktype,
|
||||
rp\->ai_protocol);
|
||||
if (sfd == \-1)
|
||||
continue;
|
||||
|
||||
|
||||
if (connect(sfd, rp\->ai_addr, rp\->ai_addrlen) != \-1)
|
||||
break; /* Success */
|
||||
|
||||
|
@ -615,15 +615,15 @@ main(int argc, char *argv[])
|
|||
|
||||
freeaddrinfo(result); /* No longer needed */
|
||||
|
||||
/* Send remaining command\-line arguments as separate
|
||||
/* Send remaining command\-line arguments as separate
|
||||
datagrams, and read responses from server */
|
||||
|
||||
for (j = 3; j < argc; j++) {
|
||||
len = strlen(argv[j]) + 1;
|
||||
len = strlen(argv[j]) + 1;
|
||||
/* +1 for terminating null byte */
|
||||
|
||||
if (len + 1 > BUF_SIZE) {
|
||||
fprintf(stderr,
|
||||
fprintf(stderr,
|
||||
"Ignoring long message in argument %d\\n", j);
|
||||
continue;
|
||||
}
|
||||
|
@ -632,7 +632,7 @@ main(int argc, char *argv[])
|
|||
fprintf(stderr, "partial/failed write\\n");
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
|
||||
|
||||
nread = read(sfd, buf, BUF_SIZE);
|
||||
if (nread == \-1) {
|
||||
perror("read");
|
||||
|
|
|
@ -127,7 +127,7 @@ by subsequent calls to
|
|||
or
|
||||
.BR getgrnam ().
|
||||
.LP
|
||||
The
|
||||
The
|
||||
.BR getgrnam_r ()
|
||||
and
|
||||
.BR getgrgid_r ()
|
||||
|
|
|
@ -128,7 +128,7 @@ and
|
|||
.BR AF_INET6 .
|
||||
The host address argument is a pointer to a struct of a type depending
|
||||
on the address type, for example a \fIstruct in_addr *\fP (probably
|
||||
obtained via a call to
|
||||
obtained via a call to
|
||||
.BR inet_addr (3))
|
||||
for address type AF_INET.
|
||||
.PP
|
||||
|
@ -261,10 +261,10 @@ Copying the
|
|||
.I struct hostent
|
||||
does not suffice, since it contains pointers; a deep copy is required.
|
||||
.LP
|
||||
In the original BSD implementation the
|
||||
In the original BSD implementation the
|
||||
.I len
|
||||
argument
|
||||
of
|
||||
of
|
||||
.BR gethostbyname ()
|
||||
was an
|
||||
.IR int .
|
||||
|
|
|
@ -71,7 +71,7 @@ long an array you might need to store a user name.
|
|||
\fBL_cuserid\fP is declared in \fI<stdio.h>\fP.
|
||||
.PP
|
||||
These functions let your program identify positively the user who is
|
||||
running
|
||||
running
|
||||
.RB ( cuserid ())
|
||||
or the user who logged in this session
|
||||
.RB ( getlogin ()).
|
||||
|
|
|
@ -130,7 +130,7 @@ by subsequent calls to
|
|||
or
|
||||
.BR getpwuid ().
|
||||
.LP
|
||||
The
|
||||
The
|
||||
.BR getpwnam_r ()
|
||||
and
|
||||
.BR getpwuid_r ()
|
||||
|
|
|
@ -38,26 +38,26 @@ getsubopt \- parse suboption arguments from a string
|
|||
.BR getsubopt ()
|
||||
parses the list of comma-separated suboptions provided in
|
||||
.IR optionp .
|
||||
(Such a suboption list is typically produced when
|
||||
(Such a suboption list is typically produced when
|
||||
.BR getopt (3)
|
||||
is used to parse a command line;
|
||||
see for example the \fI-o\fP option of
|
||||
.BR mount (8).)
|
||||
Each suboption may include an associated value,
|
||||
which is separated from the suboption name by an equal sign.
|
||||
The following is an example of the kind of string
|
||||
that might be passed in
|
||||
The following is an example of the kind of string
|
||||
that might be passed in
|
||||
.IR optionp :
|
||||
.sp
|
||||
.RS
|
||||
.B ro,name=xyz
|
||||
.RE
|
||||
|
||||
The
|
||||
The
|
||||
.I tokens
|
||||
argument is a pointer to a NULL-terminated list of the tokens that
|
||||
.BR getsubopt ()
|
||||
will look for in
|
||||
will look for in
|
||||
.IR optionp .
|
||||
The tokens should be distinct, null-terminated strings containing at
|
||||
least one character, with no embedded equal signs or commas.
|
||||
|
@ -162,11 +162,11 @@ int main(int argc, char **argv)
|
|||
case RO_OPT:
|
||||
readonly = 1;
|
||||
break;
|
||||
|
||||
|
||||
case RW_OPT:
|
||||
readwrite = 1;
|
||||
break;
|
||||
|
||||
|
||||
case NAME_OPT:
|
||||
if (value == NULL) {
|
||||
fprintf(stderr, "Missing value for "
|
||||
|
@ -177,7 +177,7 @@ int main(int argc, char **argv)
|
|||
|
||||
name = value;
|
||||
break;
|
||||
|
||||
|
||||
default:
|
||||
fprintf(stderr, "No match found "
|
||||
"for token: /%s/\\n", value);
|
||||
|
|
|
@ -121,9 +121,9 @@ In XPG2 and SVID 2 the function
|
|||
.BR pututline ()
|
||||
is documented to return void, and that is what it does on many systems
|
||||
(AIX, HP-UX, Linux libc5).
|
||||
HP-UX introduces a new function
|
||||
HP-UX introduces a new function
|
||||
.BR _pututline ()
|
||||
with the prototype given above for
|
||||
with the prototype given above for
|
||||
.BR pututline ()
|
||||
(also found in Linux libc5).
|
||||
.LP
|
||||
|
|
|
@ -7,11 +7,11 @@
|
|||
.\"
|
||||
.\" References consulted:
|
||||
.\" GNU glibc-2 source code and manual
|
||||
.\" OpenGroup's Single Unix specification
|
||||
.\" OpenGroup's Single Unix specification
|
||||
.\" http://www.UNIX-systems.org/online.html
|
||||
.\"
|
||||
.\" 2007-03-31 Bruno Haible, Describe the glibc/libiconv //TRANSLIT
|
||||
.\" and //IGNORE extensions for 'tocode'.
|
||||
.\" 2007-03-31 Bruno Haible, Describe the glibc/libiconv //TRANSLIT
|
||||
.\" and //IGNORE extensions for 'tocode'.
|
||||
.\"
|
||||
.TH ICONV_OPEN 3 2007-03-31 "GNU" "Linux Programmer's Manual"
|
||||
.SH NAME
|
||||
|
@ -49,7 +49,7 @@ When the string "//IGNORE" is appended to \fItocode\fP, characters that
|
|||
cannot be represented in the target character set will be silently discarded.
|
||||
.PP
|
||||
The resulting conversion descriptor can be used with
|
||||
.BR iconv (3)
|
||||
.BR iconv (3)
|
||||
any number of times.
|
||||
It remains valid until deallocated using
|
||||
.BR iconv_close (3).
|
||||
|
|
|
@ -29,8 +29,8 @@ function.
|
|||
It tests whether \fIwc\fP is a wide character
|
||||
belonging to the wide-character class "alpha".
|
||||
.PP
|
||||
The wide-character class "alpha" is a subclass of the
|
||||
wide-character class "alnum",
|
||||
The wide-character class "alpha" is a subclass of the
|
||||
wide-character class "alnum",
|
||||
and therefore also a subclass of the wide-character class "graph" and
|
||||
of the wide-character class "print".
|
||||
.PP
|
||||
|
@ -39,7 +39,7 @@ the wide-character class
|
|||
"alpha" is disjoint from the wide-character class "cntrl".
|
||||
.PP
|
||||
Being a subclass of the wide-character class "graph",
|
||||
the wide-character class "alpha" is disjoint from
|
||||
the wide-character class "alpha" is disjoint from
|
||||
the wide-character class "space" and its subclass "blank".
|
||||
.PP
|
||||
Being a subclass of the wide-character class "alnum",
|
||||
|
|
|
@ -30,13 +30,13 @@ Otherwise it
|
|||
returns zero.
|
||||
If \fIwc\fP is WEOF, zero is returned.
|
||||
.PP
|
||||
\fIdesc\fP must be a character property descriptor
|
||||
\fIdesc\fP must be a character property descriptor
|
||||
returned by the \fBwctype\fP
|
||||
function.
|
||||
.SH "RETURN VALUE"
|
||||
The
|
||||
.BR iswctype ()
|
||||
function returns non-zero if
|
||||
function returns non-zero if
|
||||
the \fIwc\fP has the designated
|
||||
property.
|
||||
Otherwise it returns 0.
|
||||
|
|
|
@ -30,33 +30,33 @@ It tests whether \fIwc\fP is a wide character
|
|||
belonging to the wide-character class "digit".
|
||||
.PP
|
||||
The wide-character class "digit" is a subclass of the wide-character class
|
||||
"xdigit", and therefore also a subclass
|
||||
"xdigit", and therefore also a subclass
|
||||
of the wide-character class "alnum", of
|
||||
the wide-character class "graph" and of the wide-character class "print".
|
||||
.PP
|
||||
Being a subclass of the wide character
|
||||
Being a subclass of the wide character
|
||||
class "print", the wide-character class
|
||||
"digit" is disjoint from the wide-character class "cntrl".
|
||||
.PP
|
||||
Being a subclass of the wide-character class "graph",
|
||||
Being a subclass of the wide-character class "graph",
|
||||
the wide-character class
|
||||
"digit" is disjoint from the wide-character class "space" and its subclass
|
||||
"blank".
|
||||
.PP
|
||||
Being a subclass of the wide-character
|
||||
Being a subclass of the wide-character
|
||||
class "alnum", the wide-character class
|
||||
"digit" is disjoint from the wide-character class "punct".
|
||||
.PP
|
||||
The wide-character class "digit" is
|
||||
The wide-character class "digit" is
|
||||
disjoint from the wide-character class
|
||||
"alpha" and therefore also disjoint from its subclasses "lower", "upper".
|
||||
.PP
|
||||
The wide-character class "digit" always
|
||||
The wide-character class "digit" always
|
||||
contains exactly the digits '0' to '9'.
|
||||
.SH "RETURN VALUE"
|
||||
The
|
||||
.BR iswdigit ()
|
||||
function returns non-zero
|
||||
function returns non-zero
|
||||
if \fIwc\fP is a wide character
|
||||
belonging to the wide-character class "digit".
|
||||
Otherwise it returns zero.
|
||||
|
|
|
@ -30,7 +30,7 @@ It tests whether \fIwc\fP is a wide character
|
|||
belonging to the wide-character class "lower".
|
||||
.PP
|
||||
The wide-character class "lower" is a subclass of the wide-character class
|
||||
"alpha", and therefore also a subclass
|
||||
"alpha", and therefore also a subclass
|
||||
of the wide-character class "alnum", of
|
||||
the wide-character class "graph" and of the wide-character class "print".
|
||||
.PP
|
||||
|
@ -39,7 +39,7 @@ the wide-character class
|
|||
"lower" is disjoint from the wide-character class "cntrl".
|
||||
.PP
|
||||
Being a subclass of the wide-character class "graph",
|
||||
the wide-character class "lower" is disjoint from the
|
||||
the wide-character class "lower" is disjoint from the
|
||||
wide-character class "space" and its subclass "blank".
|
||||
.PP
|
||||
Being a subclass of the wide-character class "alnum",
|
||||
|
|
|
@ -62,7 +62,7 @@ exists, or that more room is available.
|
|||
.SH "RETURN VALUE"
|
||||
.BR lfind ()
|
||||
returns a pointer to a matching member of the array, or
|
||||
NULL if no match is found.
|
||||
NULL if no match is found.
|
||||
.BR lsearch ()
|
||||
returns a pointer to
|
||||
a matching member of the array, or to the newly added member if no
|
||||
|
|
|
@ -7,7 +7,7 @@ netlink \- Netlink macros
|
|||
.SH SYNOPSIS
|
||||
.nf
|
||||
.\" FIXME . what will glibc 2.1 use here?
|
||||
.\" May 2007: glibc 2.5, things look to be unchanged -- the header file
|
||||
.\" May 2007: glibc 2.5, things look to be unchanged -- the header file
|
||||
.\" is still linux/netlink.h -- mtk
|
||||
.B #include <asm/types.h>
|
||||
.br
|
||||
|
@ -41,7 +41,7 @@ Round the length of a netlink message up to align it properly.
|
|||
.TP
|
||||
NLMSG_LENGTH
|
||||
Given the payload length,
|
||||
.IR len ,
|
||||
.IR len ,
|
||||
this macro returns the aligned length to store in the
|
||||
.B nlmsg_len
|
||||
field of the
|
||||
|
|
|
@ -149,7 +149,7 @@ These are BSD functions, present in libc5 and glibc2.
|
|||
.\" These functions are included in libutil, hence you'll need to add
|
||||
.\" .B \-lutil
|
||||
.\" to your compiler command line.
|
||||
.\"
|
||||
.\"
|
||||
In versions of glibc before 2.0.92,
|
||||
.BR openpty ()
|
||||
returns file descriptors for a BSD pseudo-terminal pair;
|
||||
|
|
|
@ -179,7 +179,7 @@ has been called.
|
|||
Print debugging messages.
|
||||
.TP
|
||||
.B RES_AAONLY
|
||||
Accept authoritative answers only.
|
||||
Accept authoritative answers only.
|
||||
.BR res_send ()
|
||||
continues until
|
||||
it fins an authoritative answer or returns an error. [Not currently
|
||||
|
|
|
@ -79,10 +79,10 @@ architecture.
|
|||
Libc4 and libc5 only know about the BSD version.
|
||||
|
||||
Glibc uses the BSD version if the _BSD_SOURCE feature test macro is
|
||||
defined and none of _POSIX_SOURCE, _POSIX_C_SOURCE, _XOPEN_SOURCE,
|
||||
defined and none of _POSIX_SOURCE, _POSIX_C_SOURCE, _XOPEN_SOURCE,
|
||||
_GNU_SOURCE, or _SVID_SOURCE is defined.
|
||||
The System V version is used if _XOPEN_SOURCE is defined.
|
||||
.\"
|
||||
.\"
|
||||
.\" For the BSD version, one usually uses a zero
|
||||
.\" .I sigmask
|
||||
.\" to indicate that no signals are to be blocked.
|
||||
|
|
|
@ -116,7 +116,7 @@ as follows:
|
|||
.nf
|
||||
|
||||
strncpy(buf, str, n);
|
||||
if (n > 0)
|
||||
if (n > 0)
|
||||
buf[n - 1]= '\\0';
|
||||
.fi
|
||||
.in
|
||||
|
|
|
@ -69,7 +69,7 @@ On older Linux systems,
|
|||
and
|
||||
.BR signal (2)
|
||||
were equivalent.
|
||||
But on newer systems,
|
||||
But on newer systems,
|
||||
.BR signal (2)
|
||||
provides reliable signal semantics; see
|
||||
.BR signal (2)
|
||||
|
@ -78,7 +78,7 @@ for details.
|
|||
The use of
|
||||
.B sighandler_t
|
||||
is a GNU extension;
|
||||
this type is only defined if
|
||||
this type is only defined if
|
||||
the _GNU_SOURCE feature test macro is defined.
|
||||
.SH "SEE ALSO"
|
||||
.BR sigaction (2),
|
||||
|
|
|
@ -364,7 +364,7 @@ the DISCARD character.
|
|||
.B NOFLSH
|
||||
Disable flushing the input and output queues when generating the
|
||||
.BR SIGINT ,
|
||||
.BR SIGQUIT ,
|
||||
.BR SIGQUIT ,
|
||||
and
|
||||
.B SIGSUSP
|
||||
signals.
|
||||
|
|
|
@ -134,7 +134,7 @@ doing nothing.
|
|||
.BR tsearch ()
|
||||
returns a pointer to a matching item in the tree, or to
|
||||
the newly added item, or NULL if there was insufficient memory
|
||||
to add the item.
|
||||
to add the item.
|
||||
.BR tfind ()
|
||||
returns a pointer to the item, or
|
||||
NULL if no match is found.
|
||||
|
|
|
@ -203,4 +203,4 @@ followed by
|
|||
.BR fwide (3),
|
||||
.BR printf (3),
|
||||
.BR snprintf (3)
|
||||
.\" .BR wscanf (3)
|
||||
.\" .BR wscanf (3)
|
||||
|
|
|
@ -24,7 +24,7 @@
|
|||
.\" If the you wish to distribute versions of this work under other
|
||||
.\" conditions than the above, please contact the author(s) at the following
|
||||
.\" for permission:
|
||||
.\"
|
||||
.\"
|
||||
.\" John S. Kallal -
|
||||
.\" email: <kallal@voicenet.com>
|
||||
.\" mail: 518 Kerfoot Farm RD, Wilmington, DE 19803-2444, USA
|
||||
|
|
|
@ -625,7 +625,7 @@ struct mtget {
|
|||
The header file defines many values for
|
||||
.BR mt_type ,
|
||||
but the current driver reports only the generic types
|
||||
\s-1MT_ISSCSI1\s+1 (Generic SCSI-1 tape)
|
||||
\s-1MT_ISSCSI1\s+1 (Generic SCSI-1 tape)
|
||||
and \s-1MT_ISSCSI2\s+1 (Generic SCSI-2 tape).
|
||||
.PD 0
|
||||
.IP \fBmt_resid\fP
|
||||
|
@ -633,7 +633,7 @@ contains the current tape partition number.
|
|||
.IP \fBmt_dsreg\fP
|
||||
reports the drive's current settings for block size (in the low 24
|
||||
bits) and density (in the high 8 bits).
|
||||
These fields are defined
|
||||
These fields are defined
|
||||
by \s-1MT_ST_BLKSIZE_SHIFT\s+1, \s-1MT_ST_BLKSIZE_MASK\s+1,
|
||||
\s-1MT_ST_DENSITY_SHIFT\s+1, and \s-1MT_ST_DENSITY_MASK\s+1.
|
||||
.IP \fBmt_gstat\fP
|
||||
|
|
|
@ -271,17 +271,17 @@ Note that on platforms which can run both 32-bit and 64-bit applications
|
|||
must be the same in 32-bit mode as in 64-bit mode.
|
||||
This is achieved by changing the type of
|
||||
.I ut_session
|
||||
to
|
||||
to
|
||||
.IR int32_t ,
|
||||
and that of
|
||||
.I ut_tv
|
||||
to a struct with two
|
||||
to a struct with two
|
||||
.I int32_t
|
||||
fields
|
||||
.I tv_sec
|
||||
and
|
||||
.IR tv_usec .
|
||||
(Thus, in order to fill it, first get the
|
||||
(Thus, in order to fill it, first get the
|
||||
time into a real \fIstruct timeval\fP,
|
||||
then copy the two fields to
|
||||
.IR ut_tv .)
|
||||
|
|
|
@ -30,7 +30,7 @@ that is assigned when the process is created using
|
|||
A process can obtain its PID using
|
||||
.BR getpid (2).
|
||||
A PID is represented using the type
|
||||
.IR pid_t
|
||||
.IR pid_t
|
||||
(defined in
|
||||
.IR <sys/types.h> ).
|
||||
|
||||
|
@ -72,7 +72,7 @@ A process's PPID is preserved across an
|
|||
Each process has a session ID and a process group ID,
|
||||
both represented using the type
|
||||
.IR pid_t .
|
||||
A process can obtain its session ID using
|
||||
A process can obtain its session ID using
|
||||
.BR getsid(2),
|
||||
and its process group ID using
|
||||
.BR getpgrp (2).
|
||||
|
@ -85,7 +85,7 @@ A process's session ID and process group ID are preserved across an
|
|||
|
||||
Sessions and process groups are abstractions devised to support shell
|
||||
job control.
|
||||
A process group (sometimes called a "job") is a collection of
|
||||
A process group (sometimes called a "job") is a collection of
|
||||
processes that share the same process group ID;
|
||||
the shell creates a new process group for the process(es) used
|
||||
to execute single command or pipeline (e.g., the two processes
|
||||
|
@ -195,7 +195,7 @@ A child process created by
|
|||
inherits copies of its parent's user and groups IDs.
|
||||
During an
|
||||
.BR execve (2),
|
||||
a process's real user and group ID and supplementary
|
||||
a process's real user and group ID and supplementary
|
||||
group IDs are preserved;
|
||||
the effective and saved set IDs may be changed, as described in
|
||||
.BR execve (2).
|
||||
|
@ -207,7 +207,7 @@ when determining the permissions for sending signals \(em see
|
|||
.BR kill (2);
|
||||
.IP *
|
||||
when determining the permissions for setting
|
||||
process-scheduling parameters (nice value, real time
|
||||
process-scheduling parameters (nice value, real time
|
||||
scheduling policy and priority, CPU affinity, I/O priority) using
|
||||
.BR setpriority (2),
|
||||
.BR sched_setaffinity (2),
|
||||
|
|
|
@ -84,7 +84,7 @@ interface using the
|
|||
.B EPOLLET
|
||||
flag, the call to
|
||||
.BR epoll_wait (2)
|
||||
done in step
|
||||
done in step
|
||||
.B 5
|
||||
will probably hang despite the available data still present in the file
|
||||
input buffer;
|
||||
|
@ -291,7 +291,7 @@ calls, are they combined or reported separately?
|
|||
They will be combined.
|
||||
.TP
|
||||
.B Q8
|
||||
Does an operation on a file descriptor affect the
|
||||
Does an operation on a file descriptor affect the
|
||||
already collected but not yet reported events?
|
||||
.TP
|
||||
.B A8
|
||||
|
|
|
@ -127,9 +127,9 @@ the length of each
|
|||
structure is thus
|
||||
.IR "sizeof(inotify_event)+len" .
|
||||
|
||||
The behavior when the buffer given to
|
||||
The behavior when the buffer given to
|
||||
.BR read (2)
|
||||
is too small to return information about the next event depends
|
||||
is too small to return information about the next event depends
|
||||
on the kernel version: in kernels before 2.6.21,
|
||||
.BR read (2)
|
||||
returns 0; since kernel 2.6.21,
|
||||
|
|
|
@ -21,8 +21,8 @@
|
|||
.\"
|
||||
.\" Formatted or processed versions of this manual, if unaccompanied by
|
||||
.\" the source, must acknowledge the copyright and authors of this work.
|
||||
.\"
|
||||
.\" 2007-05-30 created by mtk, using text from old man.7 plus
|
||||
.\"
|
||||
.\" 2007-05-30 created by mtk, using text from old man.7 plus
|
||||
.\" rewrites and additional text.
|
||||
.\"
|
||||
.TH MAN-PAGES 7 2007-05-30 "Linux" "Linux Programmer's Manual"
|
||||
|
@ -86,10 +86,10 @@ New manual pages should be marked up using the
|
|||
.B groff tmac.an
|
||||
package described in
|
||||
.BR man (7).
|
||||
This choice is mainly for consistency: the vast majority of
|
||||
This choice is mainly for consistency: the vast majority of
|
||||
existing Linux manual pages are marked up using these macros.
|
||||
.SS Conventions for source file layout
|
||||
Please limit source code line length to no more than about 75 characters
|
||||
Please limit source code line length to no more than about 75 characters
|
||||
wherever possible.
|
||||
This helps avoid line-wrapping in some mail clients when patches are
|
||||
submitted inline.
|
||||
|
@ -137,7 +137,7 @@ However, this was never done consistently, and so was
|
|||
probably worse than including no version number.
|
||||
Henceforth, avoid including a version number.)
|
||||
.sp
|
||||
For library calls that are part of glibc or one of the
|
||||
For library calls that are part of glibc or one of the
|
||||
other common GNU libraries, just use
|
||||
.IR "GNU C Library" ", " GNU ,
|
||||
or an empty string.
|
||||
|
@ -149,13 +149,13 @@ In cases of doubt, just write
|
|||
.IR Linux ", or " GNU .
|
||||
.TP
|
||||
.I manual
|
||||
The title of the manual (e.g., for Section 2 and 3 pages in
|
||||
The title of the manual (e.g., for Section 2 and 3 pages in
|
||||
the \fIman-pages\fP package, use
|
||||
.IR "Linux Programmer's Manual" ).
|
||||
.RE
|
||||
.SS Sections within a manual page
|
||||
The list below shows conventional or suggested sections.
|
||||
Most manual pages should include at least the
|
||||
Most manual pages should include at least the
|
||||
.B highlighted
|
||||
sections.
|
||||
Arrange a new manual page so that sections
|
||||
|
@ -173,8 +173,8 @@ RETURN VALUE [Normally only in Sections 2, 3]
|
|||
.\" ERROR HANDLING,
|
||||
ERRORS [Typically only in Sections 2, 3]
|
||||
.\" May 07: Almost no current man pages have a USAGE section,,,
|
||||
.\" USAGE,
|
||||
..\" DIAGNOSTICS,
|
||||
.\" USAGE,
|
||||
..\" DIAGNOSTICS,
|
||||
.\" May 07: Almost no current man pages have a SECURITY section,,,
|
||||
.\" SECURITY,
|
||||
ENVIRONMENT
|
||||
|
@ -192,19 +192,19 @@ EXAMPLE
|
|||
.in
|
||||
.IR "Where a traditional heading would apply" ", " "please use it" ;
|
||||
this kind of consistency can make the information easier to understand.
|
||||
If you must, you can create your own
|
||||
If you must, you can create your own
|
||||
headings if they make things easier to understand (this can
|
||||
be especially useful for pages in Sections 4 and 5).
|
||||
However, before doing this, consider whether you could use the
|
||||
traditional headings, with some subsections (\fI.SS\fP) within
|
||||
those sections.
|
||||
|
||||
The following list elaborates on the contents of each of
|
||||
The following list elaborates on the contents of each of
|
||||
the above sections.
|
||||
.TP 14
|
||||
.B NAME
|
||||
The name of this manual page.
|
||||
See
|
||||
See
|
||||
.BR man (7)
|
||||
for important details of the line(s) that should follow the
|
||||
\fB.SH NAME\fI command.
|
||||
|
@ -239,7 +239,7 @@ section.
|
|||
.\" section).
|
||||
.TP
|
||||
.B OPTIONS
|
||||
describes the command-line options accepted by a
|
||||
describes the command-line options accepted by a
|
||||
program and how they change its behavior.
|
||||
This section should only appear for Section 1 and 8 manual pages.
|
||||
.\" .TP
|
||||
|
@ -324,8 +324,8 @@ but isn't in the current version of POSIX.1.)
|
|||
(See
|
||||
.BR standards (7).)
|
||||
|
||||
If the call is not governed by any standards but commonly
|
||||
exists on other systems, note them.
|
||||
If the call is not governed by any standards but commonly
|
||||
exists on other systems, note them.
|
||||
If the call is Linux specific, note this.
|
||||
.TP
|
||||
.B NOTES
|
||||
|
@ -354,7 +354,7 @@ If you are the author a device driver and what to include
|
|||
an address for reporting bugs, place this under the BUGS section.
|
||||
.TP
|
||||
.B SEE ALSO
|
||||
lists related man pages, ordered by section number and
|
||||
lists related man pages, ordered by section number and
|
||||
alphabetically by name, possibly followed by
|
||||
other related pages or documents.
|
||||
.SS Font conventions
|
||||
|
@ -384,7 +384,7 @@ macro).
|
|||
Any reference to the subject of the current manual page
|
||||
should be written with the name in bold.
|
||||
If the subject is a function (i.e., this is a Section 2 or 3 page),
|
||||
then the name should be followed by a pair of parentheses
|
||||
then the name should be followed by a pair of parentheses
|
||||
in Roman (normal) font.
|
||||
For example, in the
|
||||
.BR fcntl (2)
|
||||
|
@ -420,7 +420,7 @@ Starting with release 2.59,
|
|||
follows American spelling conventions;
|
||||
please write all new pages and patches according to these conventions.
|
||||
.SS Example Programs
|
||||
Manual pages can include example programs demonstrating how to
|
||||
Manual pages can include example programs demonstrating how to
|
||||
use a system call or library function.
|
||||
However, note the following:
|
||||
.TP 3
|
||||
|
|
|
@ -74,7 +74,7 @@ For conventions that should be employed when writing man pages
|
|||
for the Linux \fIman-pages\fP package, see
|
||||
.BR man-pages (7).
|
||||
.SS Title line
|
||||
The first command in a man page (after comment lines,
|
||||
The first command in a man page (after comment lines,
|
||||
that is, lines that start with \fB.\\"\fP) should be
|
||||
.RS
|
||||
.sp
|
||||
|
|
|
@ -291,7 +291,7 @@ call.
|
|||
|
||||
Unix domain stream sockets do not support the notion of out-of-band data.
|
||||
.SH EXAMPLE
|
||||
See
|
||||
See
|
||||
.BR bind (2).
|
||||
.SH "SEE ALSO"
|
||||
.BR recvmsg (2),
|
||||
|
|
|
@ -75,7 +75,7 @@ linker option, this step is skipped.
|
|||
.B ld.so
|
||||
understands the string
|
||||
.I $ORIGIN
|
||||
(or equivalently
|
||||
(or equivalently
|
||||
.IR ${ORIGIN} )
|
||||
in an rpath specification (DT_RPATH or DT_RUNPATH) to mean
|
||||
the directory containing the application executable.
|
||||
|
@ -85,14 +85,14 @@ could be compiled with
|
|||
.I gcc -Wl,-rpath,'$ORIGIN/../lib'
|
||||
so that it finds an associated shared library in
|
||||
.I somedir/lib
|
||||
no matter where
|
||||
.I somedir
|
||||
no matter where
|
||||
.I somedir
|
||||
is located in the directory hierarchy.
|
||||
This facilitates the creation of "turn-key" applications that
|
||||
do not need to be installed into special directories,
|
||||
but can instead be unpacked into any directory
|
||||
and still find their own shared libraries.
|
||||
.\" ld.so also understands $LIB, with the same meaning as $ORIGIN/lib,
|
||||
.\" ld.so also understands $LIB, with the same meaning as $ORIGIN/lib,
|
||||
.\" it appears.
|
||||
.\"
|
||||
.\" There is also $PLATFORM. This is a kind of wildcard
|
||||
|
|
Loading…
Reference in New Issue