mirror of https://github.com/mkerrisk/man-pages
Fixed headers listed in synopsis, after message from Vasya Pupkin
This commit is contained in:
Michael Kerrisk
parent
122dff10a6
commit
b4c0e1cb44
|
|
@ -48,6 +48,13 @@
|
|||
.\" is now covered in its own getrusage.2.
|
||||
.\"
|
||||
.\" Modified 2004-11-16, mtk: A few other minor changes
|
||||
.\" Modified 2004-11-23, mtk
|
||||
.\" Added notes on RLIMIT_MEMLOCK, RLIMIT_NPROC, and RLIMIT_RSS
|
||||
.\" to "CONFORMING TO"
|
||||
.\" Modified 2004-11-25, mtk
|
||||
.\" Rewrote discussion on RLIMIT_MEMLOCK to incorporate kernel
|
||||
.\" 2.6.9 changes.
|
||||
.\" Added note on RLIMIT_CPU error in older kernels
|
||||
.\"
|
||||
.TH GETRLIMIT 2 2004-06-16 "Linux" "Linux Programmer's Manual"
|
||||
.SH NAME
|
||||
|
|
@ -143,7 +150,7 @@ Implementations vary in how they treat processes which continue to
|
|||
consume CPU time after reaching the soft limit.
|
||||
Portable applications that need to catch this signal should
|
||||
perform an orderly termination upon first receipt of
|
||||
.BR SIGXCPU .)
|
||||
.BR SIGXCPU ).
|
||||
.TP
|
||||
.B RLIMIT_DATA
|
||||
The maximum size of the process's data segment (initialized data,
|
||||
|
|
@ -175,9 +182,41 @@ leases that this process may establish.
|
|||
.\" to be precise: Linux 2.4.0-test9; no longer in 2.4.25 / 2.5.65
|
||||
.TP
|
||||
.B RLIMIT_MEMLOCK
|
||||
The maximum number of bytes of virtual memory that may be locked
|
||||
into RAM using
|
||||
.BR mlock "() and " mlockall ().
|
||||
The maximum number of bytes of memory that may be locked
|
||||
into RAM.
|
||||
In effect this limit is rounded down to the nearest multiple
|
||||
of the system page size.
|
||||
This limit affects
|
||||
.BR mlock "(2) and " mlockall (2)
|
||||
and the
|
||||
.BR mmap (2)
|
||||
.B MAP_LOCKED
|
||||
operation.
|
||||
Since Linux 2.6.9 it also affects the
|
||||
.BR shmctl (2)
|
||||
.B SHM_LOCK
|
||||
operation, where it sets a maximum on the total bytes in
|
||||
shared memory segments (see
|
||||
.BR shmget (2))
|
||||
that may be locked by the real user ID of the calling process.
|
||||
(The
|
||||
.BR shmctl (2)
|
||||
.B SHM_LOCK
|
||||
locks are accounted for separately from the per-process memory
|
||||
locks established by
|
||||
.BR mlock "(2), " mlockall (2),
|
||||
and
|
||||
.BR mmap (2)
|
||||
.BR MAP_LOCKED ;
|
||||
a process can lock bytes up to this limit in each of these
|
||||
two categories.)
|
||||
In Linux kernels before 2.6.9, this limit controlled the amount of
|
||||
memory that could be locked by a privileged process.
|
||||
Since Linux 2.6.9, no limits are placed on the amount of memory
|
||||
that a privileged process may lock, and this limit instead governs
|
||||
the amount of memory that an unprivileged process may lock.
|
||||
.\" FIXME Linux 2.6.8 adds RLIMIT_MSGQUEUE
|
||||
.\" FIXME Linux 2.6.8 adds RLIMIT_SIGPENDING
|
||||
.TP
|
||||
.B RLIMIT_NOFILE
|
||||
Specifies a value one greater than the maximum file descriptor number
|
||||
|
|
@ -239,19 +278,36 @@ capability is required to do this.
|
|||
Or, the process tried to use \fBsetrlimit()\fP to increase
|
||||
the soft or hard RLIMIT_NOFILE limit above the current kernel
|
||||
maximum (NR_OPEN).
|
||||
.SH BUGS
|
||||
In older Linux kernels, the
|
||||
.B SIGXCPU
|
||||
and
|
||||
.B SIGKILL
|
||||
signals delivered when a process encountered the soft and hard
|
||||
.B RLIMIT_MEMLOCK
|
||||
limits were delivered one (CPU) second later than they should have been.
|
||||
This was fixed in kernel 2.6.8.
|
||||
.SH "CONFORMING TO"
|
||||
SVr4, BSD 4.3
|
||||
SVr4, BSD 4.3.
|
||||
.BR RLIMIT_MEMLOCK
|
||||
and
|
||||
.BR RLIMIT_NPROC
|
||||
derive from BSD and are not specified in POSIX.1-2001;
|
||||
they are present on the BSDs and Linux, but on few other implementations.
|
||||
.BR RLIMIT_RSS
|
||||
derives from BSD and is not specified in POSIX.1-2001;
|
||||
it is nevertheless present on most implementations.
|
||||
.SH "SEE ALSO"
|
||||
.BR dup (2),
|
||||
.BR fcntl (2),
|
||||
.BR fork (2),
|
||||
.BR getrusage (2),
|
||||
.BR mlock (2),
|
||||
.BR mlockall (2),
|
||||
.BR mmap (2),
|
||||
.BR open (2),
|
||||
.BR quotactl (2),
|
||||
.BR sbrk (2),
|
||||
.BR shmctl (2),
|
||||
.BR malloc (3),
|
||||
.BR ulimit (3),
|
||||
.BR capabilities (7),
|
||||
|
|
|
|||
|
|
@ -23,14 +23,18 @@
|
|||
.\" Written 11 June 1995 by Andries Brouwer <aeb@cwi.nl>
|
||||
.\" Modified 22 July 1995 by Michael Chastain <mec@duracef.shout.net>:
|
||||
.\" In 1.3.X, returns only one entry each time; return value is different.
|
||||
.\" Modified 2004-12-01, mtk, fixed headers listed in SYNOPSIS
|
||||
.\"
|
||||
.TH READDIR 2 1995-07-22 "Linux 1.3.6" "Linux Programmer's Manual"
|
||||
.SH NAME
|
||||
readdir \- read directory entry
|
||||
.SH SYNOPSIS
|
||||
.nf
|
||||
.B #include <unistd.h>
|
||||
|
||||
.B #include <linux/types.h>
|
||||
.B #include <linux/dirent.h>
|
||||
.B #include <linux/unistd.h>
|
||||
.B #include <errno.h>
|
||||
.sp
|
||||
.B _syscall3(int, readdir, uint, fd, struct dirent *, dirp, uint, count);
|
||||
.sp
|
||||
|
|
|
|||
Loading…
Reference in New Issue