|RAISE(3)||Linux Programmer's Manual||RAISE(3)|
NAME¶raise - send a signal to the caller
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 return only after the signal handler has returned.
RETURN VALUE¶raise() returns 0 on success, and nonzero for failure.
ATTRIBUTES¶For an explanation of the terms used in this section, see attributes(7).
|raise ()||Thread safety||MT-Safe|
CONFORMING TO¶POSIX.1-2001, POSIX.1-2008, C89, C99.
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 4.16 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.