raise(3) Library Functions Manual raise(3)
NAME
raise - Sends a signal to the executing process or thread
LIBRARY
Standard C Library (libc.so, libc.a)
SYNOPSIS
#include <signal.h>
int raise(
int signal );
STANDARDS
Interfaces documented on this reference page conform to industry standards as follows:
raise(): XSH5.0
Refer to the standards(5) reference page for more information about industry standards and associated tags.
PARAMETERS
Specifies a signal number.
DESCRIPTION
The raise() function sends the signal specified by the signal parameter to the invoking thread. In single-threaded programs this is equiva-
lent to:
kill(getpid(), signal);
The behavior of the raise() function is equivalent to:
pthread_kill(pthread_self(), signal);
RETURN VALUES
Upon successful completion of the raise() function, a value of 0 (zero) is returned. Otherwise, a nonzero value is returned and errno is
set to indicate the error.
ERRORS
The raise() function sets errno to the specified values for the following conditions: The value of the signal parameter is an invalid sig-
nal number.
RELATED INFORMATION
Functions: kill(2), sigaction(2)
Standards: standards(5) delim off
raise(3)
