PTHREAD_SIGQUEUE
NAMESYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
VERSIONS
ATTRIBUTES
CONFORMING TO
SEE ALSO
COLOPHON
NAME
pthread_sigqueue − queue a signal and data to a thread
SYNOPSIS
#include
<signal.h>
#include <pthread.h>
int
pthread_sigqueue(pthread_t thread, int
sig,
const union sigval value);
Compile and link with −pthread.
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
pthread_sigqueue(): _GNU_SOURCE
DESCRIPTION
The pthread_sigqueue() function performs a similar task to 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.
The thread argument is the ID of a thread in the same process as the caller. The sig argument specifies the signal to be sent. The value argument specifies data to accompany the signal; see sigqueue(3) for details.
RETURN VALUE
On success, pthread_sigqueue() returns 0; on error, it returns an error number.
ERRORS
|
EAGAIN |
The limit of signals which may be queued has been reached. (See signal(7) for further information.) | ||
|
EINVAL |
sig was invalid. | ||
|
ENOSYS |
pthread_sigqueue() is not supported on this system. | ||
|
ESRCH |
thread is not valid. |
VERSIONS
The pthread_sigqueue() function first appeared in glibc 2.11.
ATTRIBUTES
Multithreading
(see pthreads(7))
The pthread_sigqueue() function is thread-safe.
CONFORMING TO
This function is a GNU extension.
SEE ALSO
rt_tgsigqueueinfo(2), sigaction(2), pthread_sigmask(3), sigqueue(3), sigwait(3), pthreads(7), signal(7)
COLOPHON
This page is part of release 3.69 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man−pages/.
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