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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2010-11-16 07:48:01 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2010-11-16 07:48:01 +0100 |
| commit | d56af11baa8258f12944ca0ce9121c7cb797875b (patch) | |
| tree | 5697647a93bb608f7a83bc0d051a870618958b15 /man3/pthread_sigqueue.3 | |
| parent | e7d8245112e992bb2e77a5345d1822783dca60fa (diff) | |
| download | man-pages-d56af11baa8258f12944ca0ce9121c7cb797875b.tar.gz | |
pthread_sigqueue.3: New page documenting ptrhead_sigqueue()
pthread_sigqueue() is new in glibc 2.11 (requires a kernel with
rt_tgsigqueinfo(), added in Linux 2.6.31).
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man3/pthread_sigqueue.3')
| -rw-r--r-- | man3/pthread_sigqueue.3 | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/man3/pthread_sigqueue.3 b/man3/pthread_sigqueue.3 new file mode 100644 index 0000000000..8634c28f01 --- /dev/null +++ b/man3/pthread_sigqueue.3 @@ -0,0 +1,103 @@ +.\" Copyright (c) 2010 Michael Kerrisk, <mtk.manpages@gmail.com> +.\" +.\" Permission is granted to make and distribute verbatim copies of this +.\" manual provided the copyright notice and this permission notice are +.\" preserved on all copies. +.\" +.\" Permission is granted to copy and distribute modified versions of this +.\" manual under the conditions for verbatim copying, provided that the +.\" entire resulting derived work is distributed under the terms of a +.\" permission notice identical to this one. +.\" +.\" Since the Linux kernel and libraries are constantly changing, this +.\" manual page may be incorrect or out-of-date.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 +.\" the use of the information contained herein. The author(s) may not +.\" 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. +.\" +.\" Formatted or processed versions of this manual, if unaccompanied by +.\" the source, must acknowledge the copyright and authors of this work. +.\" +.TH PTHREAD_SIGQUEUE 3 2010-11-16 "Linux" "Linux Programmer's Manual" +.SH NAME +pthread_sigqueue \- queue a signal and data to a thread +.SH SYNOPSIS +.nf +.B #include <pthread.h> + +.BI "int pthread_sigqueue(pthread_t *" thread ", int " sig , +.BI " const union sigval " value ); +.fi +.sp +Compile and link with \fI\-pthread\fP. +.sp +.in -4n +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.in +.sp +.BR pthread_sigqueue (): +_GNU_SOURCE +.SH DESCRIPTION +The +.BR pthread_sigqueue () +function performs a similar task to +.BR sigqueue (2), +but, rather than sending a signal to another process, +it sends a signal to another thread in the same process as the +calling thread. + +The +.I thread +argument is the ID of another 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 (2) +for details. +.SH RETURN VALUE +On success, +.BR pthread_create () +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. +It is implemented using the Linux-specific +.BR rt_tgsigqueinfo () +system call, which was added in Linux 2.6.31. +.SH CONFORMING TO +This function is a GNU extension. +.SH SEE ALSO +.\" FIXME Add SEE ALSO in sigqueue.2, signal(7), pthreads(7) +.BR sigaction (2), +.BR sigqueue (2), +.BR sigwait (2), +.BR pthread_sigmask (3), +.BR pthreads (7), +.br SIGNAL (7) |