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    Command:

    pthread_kill

    
    
    

    SYNOPSIS

           #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)):
    
           pthread_kill():
               _POSIX_C_SOURCE >= 199506L || _XOPEN_SOURCE >= 500
    
    
    

    DESCRIPTION

           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-
           formed.
    
    
    

    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.
    
    
    

    CONFORMING TO

           POSIX.1-2008.
    
    
    

    NOTES

           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
           fault.
    
    
    

    SEE ALSO

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

    Linux 2014-02-04 PTHREAD_KILL(3)

    
    
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