RAISE(P) POSIX Programmer's Manual RAISE(P)
raise - send a signal to the executing process
int raise(int sig);
The raise() function shall send the signal sig to the executing thread or process. If
a signal handler is called, the raise() function shall not return until after the signal
If the implementation supports the Threads option, the effect of the raise() function
shall be equivalent to calling:
Otherwise, the effect of the raise() function shall be equivalent to calling:
Upon successful completion, 0 shall be returned. Otherwise, a non-zero value shall be
returned and errno shall be set to indicate the error.
The raise() function shall fail if:
EINVAL The value of the sig argument is an invalid signal number.
The following sections are informative.
The term "thread" is an extension to the ISO C standard.
kill() , sigaction() , the Base Definitions volume of IEEE Std 1003.1-2001, <signal.h>,
Portions of this text are reprinted and reproduced in electronic form from IEEE Std
1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System
Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and The Open Group
Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .
IEEE/The Open Group 2003 RAISE(P)