|RAISE(3)||Linux Programmer's Manual||RAISE(3)|
NAME¶raise - send a signal to the caller
#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
In a multithreaded program it is equivalent to
If the signal causes a handler to be called, raise() will only return 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 3.44 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/.