pthread_kill man page on Archlinux

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PTHREAD_KILL(3)		   Linux Programmer's Manual	       PTHREAD_KILL(3)

       pthread_kill - send a signal to a thread

       #include <signal.h>

       int pthread_kill(pthread_t thread, int sig);

       Compile and link with -pthread.

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

	   _POSIX_C_SOURCE >= 199506L || _XOPEN_SOURCE >= 500

       The pthread_kill() function sends the signal sig to thread, a thread in
       the same process as the caller.	The signal is asynchronously  directed
       to thread.

       If  sig	is 0, then no signal is sent, but error checking is still per‐

       On success, pthread_kill() returns 0; on error,	it  returns  an	 error
       number, and no signal is sent.

       EINVAL An invalid signal was specified.


       Signal dispositions are process-wide: if a signal handler is installed,
       the handler will be invoked in the thread thread, but if	 the  disposi‐
       tion  of	 the signal is "stop", "continue", or "terminate", this action
       will affect the whole process.

       POSIX.1-2008 recommends that if an implementation detects the use of  a
       thread  ID  after the end of its lifetime, pthread_kill() should return
       the error ESRCH.	 The glibc implementation returns this	error  in  the
       cases  where  an invalid thread ID can be detected.  But note also that
       POSIX says that an attempt to use a thread ID whose lifetime has	 ended
       produces undefined behavior, and an attempt to use an invalid thread ID
       in a call to pthread_kill() can,	 for  example,	cause  a  segmentation

       kill(2),	 sigaction(2),	sigpending(2),	pthread_self(3),  pthread_sig‐
       mask(3), raise(3), pthreads(7), signal(7)

       This page is part of release 3.65 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at

Linux				  2014-02-04		       PTHREAD_KILL(3)

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