raise(3)raise(3)NAMEraise - Send a signal to the executing process or thread
SYNOPSIS
#include <signal.h>
int raise(
int signal );
LIBRARY
Standard C Library (libc)
STANDARDS
Interfaces documented on this reference page conform to industry stan‐
dards 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 equivalent
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 follow‐
ing conditions: The value of the signal parameter is an invalid signal
number.
SEE ALSO
Functions: kill(2), sigaction(2)
Standards: standards(5)raise(3)