606b226bd2
random_r.3: Add BUGS section pointing out the weirdness of the initstate_r() API
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 09:54:36 +13:00
516a39595e
random_r.3: Note that 'buf' records a pointer to 'statebuf'
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See https://sourceware.org/bugzilla/show_bug.cgi?id=3662 .
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 09:49:08 +13:00
a689fdb223
random.3: Minor improvement to wording in NOTES
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 09:38:21 +13:00
f9a54fa1cd
random.3: Relocate information of "optimal" value of initstate() 'n' argument
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The information was a bit hidden in NOTES.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 09:32:21 +13:00
4efbcb17e9
random_r.3: Add some usage notes for setstate_r()
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 09:00:12 +13:00
91e37268d6
random_r.3: 'buf.state' must be initialized to NULL before calling initstate_r()
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See https://bugzilla.kernel.org/show_bug.cgi?id=192801 .
See also the glibc source file string/strfry.c, which shows
an example of this initialization:
if (!init)
{
static char state[32];
rdata.state = NULL;
__initstate_r (time ((time_t *) NULL) ^ getpid (),
state, sizeof (state), &rdata);
init = 1;
}
Reported-by: Jan Ziak <0xe2.0x9a.0x9b@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 08:43:38 +13:00
48ac01a782
proc.5: tfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 07:54:19 +13:00
729b84f473
strverscmp.3: Fix comparison error in example program
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Reported-by: Vivenzio Pagliari <vivenzio.pagliari@nokia.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 07:41:44 +13:00
6284854c9d
slabinfo.5: SEE ALSO: add slabtop(1)
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
c67f5ff2f9
sem_wait.3: Remove statement that SA_RESTART does not cause restarting
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This has not been true since Linux 2.6.22. The description
of EINTR maintains a reference to signal(7), which explains
the historical details.
See https://bugzilla.kernel.org/show_bug.cgi?id=192071
Reported-by: Fabjan Sukalia <fsukalia@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
700bfeba0a
read.2: Remove crufty text about EINTR and partial read
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Remove bogus text saying that POSIX permits partial read
to return -1/EINTR on interrupt by a signal handler.
That statement already ceased to be true in SUSv1 (1995)!
See https://bugzilla.kernel.org/show_bug.cgi?id=193111
Reported-by: Steven Luo <steven@steven676.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
1b1069ee02
getline.3: Handle null bytes in input
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As reported by Kent:
The example input/output handler in this EXAMPLE is subject
to introducing subtle bugs if the input stream contains
literal null bytes.
Subsequently, there should be some warning that this occurs,
or an alternative using fwrite(3) might be better.
Change the example program to use fwrite(3).
See https://bugzilla.kernel.org/show_bug.cgi?id=192701
Reported-by: Kent Fredic <kentfredric@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
0885f9504f
getline.3: EXAMPLE: better error handling
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
cbc616e345
getline.3: EXAMPLE: specify file to be opened as command-line argument
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
71fd04a347
getline.3: tfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
809b6c47cc
getline.3: Use better variable name in example program
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
4c3cfc369c
mbind.2: wfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
f13970357e
random.7: Mention getentropy(3)
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
d9e71757d0
getrandom.2: glibc support was added in version 2.25
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
933ab9c7f6
random.7: SEE ALSO: add getentropy(3)
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
15df4f6b42
getrandom.2: Remove getentropy(3) details and defer to new getentropy(3) page
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:14:06 +13:00
b026572816
getentropy.3: New page documenting getentropy(3)
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getentropy(3) is added to glibc in version 2.25.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:03:15 +13:00
5b0fbedb2b
perf_event_open.2: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
26d5cd2ff2
perf_event_open.2: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
da8bd8a4a0
perf_event_open.2: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
880403e90e
perf_event_open.2: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
b4870e704b
perf_event_open.2: wsfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
aa3453a0db
statfs.2: Add more filesystem types
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Add missing magic numbers from /usr/include/linux/magic.h
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
4a96f7b56f
signalfd.2: Add a "Limitations" subsection heading in NOTES
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
76e55b8a4c
signalfd.2: signalfd() doesn't play well with helper programs spawned by libraries
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See https://lwn.net/Articles/415684/ .
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
c471c3636d
clone.2: clone() does not execute fork handlers
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
26cfa7d300
system.3: In the glibc implementation, fork handlers are not executed by system()
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:02:47 +13:00
472bbe3bdb
mount.2: Refer to mount_namespaces(7) for details of default propagation type
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Reported-by: Rob Landley <rob@landley.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
3dcc463a03
mount_namespaces.7: Rework the discussion of defaults for mount propagation types
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Add rather more detail. In particular, note the cases where the
default propagation type is MS_PRIVATE vs MS_SHARED.
Reported-by: Rob Landley <rob@landley.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
50dedc44d0
proc.5: Document /proc/sys/fs/mount-max
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
1dc9bca64f
capabilities.7: Adjust references to chattr(1) to point to ioctl_iflags(2)
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
85342fa7a9
chmod.2: ERRORS: add EPERM error for immutable/append-only file
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
6f9433349c
chown.2: ERRORS: add EPERM error for immutable/append-only file
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
663c13027a
unlink.2: ERRORS: add EPERM error for immutable/read-only files
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
5fae754f7f
link.2: ERRORS: add EPERM for immutable/append-only files
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
937a7c8747
setxattr.2: ERRORS: add EPERM for immutable/append-only files
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
459091008d
ioctl.2: SEE ALSO: add ioctl_iflags(2)
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
c7fc938f2c
ioctl_iflags.2: srcfix: FIXME
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
cfb3e18732
ioctl_iflags.2: New page describing inode flags and ioctl() operations
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
156d8c8480
capabilities.7: srcfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:23 +13:00
e39561aac8
netlink.7: Add NETLINK_RDMA to list
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:22 +13:00
4338604d01
netlink.7: Add NETLINK_SCSITRANSPORT to list
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:22 +13:00
1fcf200311
netlink.7: NETLINK_IP6_FW went away in Linux 3.5
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:22 +13:00
d7fd538cd0
netlink.7: NETLINK_NFLOG was removed in Linux 3.17
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:22 +13:00
326ccb6cf6
netlink.7: NETLINK_W1 went away in Linux 2.6.18
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2017-01-25 00:01:22 +13:00
Michael Kerrisk