PTHREAD_SIGQUEUE(3) Linux Programmer's Manual PTHREAD_SIGQUEUE(3) 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 3.74 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/. Linux 2014-05-28 PTHREAD_SIGQUEUE(3)
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