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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-05 23:03:38 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-05 23:03:47 +0200 |
| commit | 70ac1c4785fc1e158ab2349a962dba2526bf4fbc (patch) | |
| tree | bff270e2496dd284bccfc1271b43946f5d225224 /man/man3/pthread_sigqueue.3 | |
| parent | 5423a6f86b2b920a5f3e8cf8d759b513050f2d33 (diff) | |
| download | man-pages-70ac1c4785fc1e158ab2349a962dba2526bf4fbc.tar.gz | |
src.mk, All pages: Move man* to man/
The root of the repository is becoming a bit overpopulated and
unorganized, due to the recent addition of more mandirs, and more
informative and configuration files too. Let's create a specific
mandir <man/> that contains the mandirs <man[1-8]*>.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Diffstat (limited to 'man/man3/pthread_sigqueue.3')
| -rw-r--r-- | man/man3/pthread_sigqueue.3 | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/man/man3/pthread_sigqueue.3 b/man/man3/pthread_sigqueue.3 new file mode 100644 index 0000000000..84a22c37af --- /dev/null +++ b/man/man3/pthread_sigqueue.3 @@ -0,0 +1,113 @@ +.\" Copyright (c) 2010 Michael Kerrisk, <mtk.manpages@gmail.com> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH PTHREAD_SIGQUEUE 3 2021-03-22 "Linux man-pages (unreleased)" +.SH NAME +pthread_sigqueue \- queue a signal and data to a thread +.SH LIBRARY +POSIX threads library +.RI ( libpthread ", " \-lpthread ) +.SH SYNOPSIS +.nf +.B #include <signal.h> +.B #include <pthread.h> +.PP +.BI "int pthread_sigqueue(pthread_t " thread ", int " sig , +.BI " const union sigval " value ); +.fi +.PP +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.PP +.BR pthread_sigqueue (): +.nf + _GNU_SOURCE +.fi +.SH DESCRIPTION +The +.BR pthread_sigqueue () +function performs a similar task to +.BR sigqueue (3), +but, rather than sending a signal to a process, +it sends a signal to a thread in the same process as the +calling thread. +.PP +The +.I thread +argument is the ID of a thread in the same process as the caller. +The +.I sig +argument specifies the signal to be sent. +The +.I value +argument specifies data to accompany the signal; see +.BR sigqueue (3) +for details. +.SH RETURN VALUE +On success, +.BR pthread_sigqueue () +returns 0; +on error, it returns an error number. +.SH ERRORS +.TP +.B EAGAIN +The limit of signals which may be queued has been reached. +(See +.BR signal (7) +for further information.) +.TP +.B EINVAL +.I sig +was invalid. +.TP +.B ENOSYS +.BR pthread_sigqueue () +is not supported on this system. +.TP +.B ESRCH +.I thread +is not valid. +.SH VERSIONS +The +.BR pthread_sigqueue () +function first appeared in glibc 2.11. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.ad l +.nh +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.BR pthread_sigqueue () +T} Thread safety MT-Safe +.TE +.hy +.ad +.sp 1 +.SH STANDARDS +This function is a GNU extension. +.SH NOTES +The glibc implementation of +.BR pthread_sigqueue () +gives an error +.RB ( EINVAL ) +on attempts to send either of the real-time signals +used internally by the NPTL threading implementation. +See +.BR nptl (7) +for details. +.SH SEE ALSO +.BR rt_tgsigqueueinfo (2), +.BR sigaction (2), +.BR pthread_sigmask (3), +.BR sigqueue (3), +.BR sigwait (3), +.BR pthreads (7), +.BR signal (7) |