raise - send a signal to the caller
int raise(int sig);
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.
raise() returns 0 on success, and nonzero for failure.
For an explanation of the terms used in this section, see attributes(7).
POSIX.1-2001, POSIX.1-2008, C89, C99.
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).
This page is part of release 5.13 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/.