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

NAME
       raise - send a signal to the caller

SYNOPSIS
       #include <signal.h>

       int raise(int sig);

DESCRIPTION
       The  raise()  function  sends  a  signal  to  the calling process or thread.  In a single-
       threaded program it is equivalent to

	   kill(getpid(), sig);

       In a multithreaded program it is equivalent to

	   pthread_kill(pthread_self(), sig);

       If the signal causes a handler to be called, raise() will return  only  after  the  signal
       handler has returned.

RETURN VALUE
       raise() returns 0 on success, and nonzero for failure.

CONFORMING TO
       C89, C99, POSIX.1-2001.

NOTES
       Since version 2.3.3, glibc implements raise() by calling tgkill(2), if the kernel supports
       that system call.  Older glibc versions implemented raise() using kill(2).

SEE ALSO
       getpid(2), kill(2), sigaction(2), signal(2), pthread_kill(3), signal(7)

COLOPHON
       This page is part of release 3.55 of the Linux man-pages project.  A  description  of  the
       project,     and    information	  about    reporting	bugs,	 can	be    found    at
       http://www.kernel.org/doc/man-pages/.

GNU					    2012-04-20					 RAISE(3)
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