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PTHREAD_KILL(3) NetBSD Library Functions Manual PTHREAD_KILL(3)
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pthread_kill -- send a signal to a specified thread
POSIX Threads Library (libpthread, -lpthread)
pthread_kill(pthread_t thread, int sig);
The pthread_kill() function sends a signal, specified by sig, to a
thread, specified by thread. The signal will be handled in the context
of thread, but the signal action may alter the process as a whole. If
sig is 0, error checking is performed, but no signal is actually sent.
If successful, pthread_kill() returns 0. Otherwise, an error number is
pthread_kill() shall fail if:
[EINVAL] sig is an invalid or unsupported signal number.
[ESRCH] thread is an invalid thread ID.
kill(2), sigwait(2), pthread_self(3), raise(3)
The function conforms to IEEE Std 1003.1-2001 (``POSIX.1'').
NetBSD 9.3 July 9, 2010 NetBSD 9.3