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NAME

       pthread_kill - send a signal to a thread

SYNOPSIS

       #include <signal.h>

       int pthread_kill(pthread_t thread, int sig);

       Compile and link with -pthread.

DESCRIPTION

       The  pthread_kill()  function  sends  the signal sig to thread, another
       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
       performed; this can be used to check for the existence of a thread ID.

RETURN VALUE

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

ERRORS

       EINVAL An invalid signal was specified.

       ESRCH  No thread with the ID thread could be found.

CONFORMING TO

       POSIX.1-2001.

NOTES

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

SEE ALSO

       kill(2)       sigaction(2),       sigpending(2),       pthread_self(3),
       pthread_sigmask(3), raise(3), pthreads(7), signal(7)

COLOPHON

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