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21810 Commits

Author SHA1 Message Date
Michael Kerrisk 3fd7a10d90 faccessat2.2: New link to access.2 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 12:46:29 +01:00
Michael Kerrisk 8729436021 access.2: Document faccessat2() 
faccessat2() was added in Linux 5.8 and enables a fix to
longstanding bugs in the faccessat() wrapper function.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 12:44:34 +01:00
Michael Kerrisk 06ad6cdfac access.2: BUGS: note that faccessat() wrapper function emulation ignores ACLs 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 12:21:55 +01:00
Colin Ian King 8faba2435b openat.2: Fix include path, should be linux/openat2.h 
The include path is linux/openat2, so fix the manual to reference
this correct path.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 10:45:56 +01:00
Michael Kerrisk 3890042031 shmctl.2: wfix (for consistency with other *ctl.2 pages) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 10:27:38 +01:00
Michael Kerrisk 0a33c83e51 msgctl.2, semctl.2, shmctl.2: Minor fix 
Break text into more paragraphs to ease readability

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 10:27:33 +01:00
Michael Kerrisk 10aa508cad msgctl.2: Make comments in 'msqid_ds' definition more compact 
The comments do not need to be so verbose, since the main text
provides the full details.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 10:06:50 +01:00
Michael Kerrisk bd0ff36407 msgctl.2: Add description of 'msg_cbytes' field 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 10:00:12 +01:00
Michael Kerrisk a07ea11104 msgctl.2: Use field name "msg_cbytes" rather than "__msg_cbytes" 
The shorter name is provided by default (i.e., if _DEFAULT_SOURCE
is defined).

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 09:56:03 +01:00
Michael Kerrisk 72d2eba770 msgctl.2: Place list of field descriptions in same order as structure definition 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 09:49:49 +01:00
Michael Kerrisk 379c3ee9d0 shmctl.2: Place list of field descriptions in same order as structure definition 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 09:48:15 +01:00
Michael Kerrisk a79c3fc030 semctl.2: ffix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-15 09:24:11 +01:00
Michael Kerrisk 24ce772b9c sigaction.2: tfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-14 10:12:54 +01:00
Michael Kerrisk 659e4f17cc signal-safety.7: Note async-signal-safety details for errno 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-14 08:04:34 +01:00
Michael Kerrisk 57ffe9ddc4 sigaction.2: Minor wording improvements 
Restructure the sa_handler description as a list, for easier
reading.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-14 07:56:27 +01:00
Michael Kerrisk 06287aca29 sigaction.2: Clarify description of SA_NODEFER 
Clarify description of SA_NODEFER, and note interaction with
act.sa_mask.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-14 07:50:20 +01:00
Michael Kerrisk 66b961cab6 sigaction.2: ffix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-14 07:50:20 +01:00
Michael Kerrisk 4f71321abe sigaction.2: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-14 07:50:20 +01:00
Alejandro Colomar 2b9bf369d1 perf_event_open.2: srcfix 
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-13 22:49:55 +01:00
Michael Kerrisk 17cf67cc72 signal.7: Minor tweaks to new "Execution of signal handlers" subsection 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-13 13:04:07 +01:00
Alejandro Colomar 33694c779a io_setup.2: SYNOPSIS: return long 
The Linux kernel uses a long as the return type for this syscall.
As glibc provides no wrapper, use the same types the kernel uses.

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-13 10:23:53 +01:00
Michael Kerrisk 4672536d89 signal.7: Relocate the new "Execution of signal handlers" subsection 
It is probably more sensible to place this section after
the subsection "Signal mask and pending signals".

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-12 22:14:52 +01:00
Alejandro Colomar 5020bc2822 perf_event_open.2: Assign calculated value explicitly to 'config' 
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-12 21:52:06 +01:00
Michael Kerrisk b5277108b4 signal.7: Minor tweaks to the test on execution of signal handlers 
Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-12 21:48:33 +01:00
Michael Kerrisk f527d6fe30 signal.7: Add some details on the execution of signal handlers 
Add a "big picture" of what happens when a signal handler
is invoked.

Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-12 21:48:33 +01:00
Michael Kerrisk 3b7d89960a sigaltstack.2: Clarify that the alternate signal stack is per-thread 
Clarify that the alternate signal stack is per-thread (rather
than process-wide).

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-12 14:32:26 +01:00
Michael Kerrisk 52e5819c41 clone.2, sigaltstack.2: clone(CLONE_VM) disdables the alternate signal stack 
In the kernel sources (kernel/fork.c::copy_process()), we have:

        /*
         * sigaltstack should be cleared when sharing the same VM
         */
        if ((clone_flags & (CLONE_VM|CLONE_VFORK)) == CLONE_VM)
                sas_ss_reset(p);

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-12 14:07:17 +01:00
Michael Kerrisk 1374ba4278 signal.7: SEE ALSO: add swapcontext(3) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-12 12:56:57 +01:00
Michael Kerrisk c2a2cc269c sigaction.2: Further clarify the effect of the SA_NODEFER flag 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-12 12:16:45 +01:00
Michael Kerrisk 4be47a8214 getrlimit.2: State more precisely the range of kernel versions that had RLIMIT_LOCKS 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-11 13:00:19 +01:00
Michael Kerrisk 0807d1b387 timer_getoverrun.2: timer_getoverrun() now clamps the overrun count to DELAYTIMER_MAX 
See https://bugzilla.kernel.org/show_bug.cgi?id=12665.
The fix by Thomas Gleixner was in kernel commit
78c9c4dfbf8c04883941445a195276bb4bb92c76.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-11 10:33:33 +01:00
Michael Kerrisk 9b71be4f0b signal.2: wfix: Make the warning against the use of signal() even more obvious 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-10 13:13:11 +01:00
Michael Kerrisk 886888470f localedef.1: ffix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-08 13:13:35 +01:00
Michael Kerrisk f100465696 syscalls.2: Note that sysctl() was removed in Linux 5.5 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-06 12:35:47 +01:00
Michael Kerrisk c53d4fc16e bpf.2: Minor wording improvement 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-06 12:34:00 +01:00
Michael Kerrisk 13648a9cfa proc.5: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-06 12:30:20 +01:00
Michael Kerrisk baa72cc312 syscalls.2: Add process_madvise() 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-06 07:41:02 +01:00
Michael Kerrisk 97ba2b53f5 mount.2, statfs.2: Minor tweaks to Ross Zwisler's patch 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-06 07:40:06 +01:00
Ross Zwisler 527375b2c7 mount.2, statfs.2: Add NOSYMFOLLOW flags to mount(2) and statfs(2) 
Signed-off-by: Ross Zwisler <zwisler@google.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-06 07:40:06 +01:00
Peter Oskolkov d98b1454fc membarrier.2: Update for Linux 5.10 
Linux kernel commit 2a36ab717e8fe678d98f81c14a0b124712719840
(part of 5.10 release) changed sys_membarrier prototype/parameters
and added two new commands [MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ
and MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ]. This
man-pages patch reflects these changes, by mostly copying comments
from the kernel patch into the man-page ([Peter Oskolkov] was also
the author of the kernel change).

[mtk: commit message tweaked]

Signed-off-by: Peter Oskolkov <posk@google.com>
Cowritten-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-05 22:07:14 +01:00
Alejandro Colomar 73cf5b8390 strerror.3: tfix 
Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-05 10:50:54 +01:00
Michael Kerrisk 2b851e6ffd errno.3: Note another possible cause of the EMFILE error 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-02 13:15:37 +01:00
Michael Kerrisk 9807d9afdd mmap.2: Clarify SIGBUS text and treatment of partial page at end of a mapping 
See https://unix.stackexchange.com/questions/616848/what-is-the-behaviour-of-a-file-backed-memory-map-when-reading-from-or-writing-t

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-02 10:57:14 +01:00
Alejandro Colomar 1d5974814d io_cancel.2, io_destroy.2, io_getevents.2, io_setup.2, io_submit.2: SYNOPSIS: s/io_context_t/aio_context_t/ 
Linux uses aio_context_t for these syscalls,
and it's the type provided by <linux/aio_abi.h>.
Use it in the SYNOPSIS.

libaio uses 'io_context_t', but that difference is already noted
in NOTES.

[mtk: patch slightly tweaked]

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-02 08:46:39 +01:00
John A. Leuenhagen 5115a7dede feature_test_macros.7: tfix 
Signed-off-by: John A. Leuenhagen <john@zlima12.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2020-11-02 08:43:32 +01:00
Michael Kerrisk 07d6c242cf Start of man-pages-5.10: updating Changes and Changes.old 2020-11-02 07:58:09 +01:00
Michael Kerrisk db9c2b96ab Start of man-pages-5.10: updating .Announce and .lsm files 2020-11-02 07:58:09 +01:00
Michael Kerrisk 40e13069d9 Start of man-pages-5.10: renaming .Announce and .lsm files 2020-11-02 07:58:09 +01:00
Michael Kerrisk 2b71d80b72 Ready for 5.09 2020-11-01 21:56:08 +01:00
Michael Kerrisk 1184825216 Changes: whitespace cleanups 2020-11-01 21:56:08 +01:00