NAME
rtlinux_sigemptyset, rtlinux_sigfillset, rtlinux_sigaddset, rtlinux_sigdelset, rtlinux_ismember — RTLinux User-Level signal set operations
SYNOPSIS
#include <rtl_signal.h>
int
rtlinux_sigemptyset(rtlinux_sigset_t * set);
int rtlinux_sigfillset(rtlinux_sigset_t *
set);
int rtlinux_sigaddset(rtlinux_sigset_t * set,
int signum);
int rtlinux_sigdelset(rtlinux_sigset_t * set,
int signum);
int rtlinux_sigismember(rtlinux_sigset_t *
set, int signum);
DESCRIPTION
The rtlinux_sigsetops(3) functions allow the manipulation of RTLinux signal sets, similar to sigsetops(3).
rtlinux_sigemptyset initializes the set given by set to empty, with all signals excluded from the set.
rtlinux_sigfillset initializes the set given by set to full, including all signals.
rtlinux_sigaddset and rtlinux_sigdelset add and delete, respectively, signal signum from set.
rtlinux_sigismember tests whether signum is a member of set.
RETURN VALUES
rtlinux_sigemptyset, rtlinux_sigfullset, rtlinux_sigaddset, and rtlinux_sigdelset return 0 on success and -1 on error.
rtlinux_sigismember returns 1 if signum is a member of set, 0 if signum is not a member, and -1 on error.
ERRORS
|
EINVAL |
sig is not a valid signal. |
AUTHOR
Nathan Paul Simons (npsimons [AT] fsmlabs.com (link to URL mailto:npsimons [AT] fsmlabs.com) )
NOTES
This function is only available in Linux user processes. RTLinux threads can not use this function.
SEE ALSO
rtlinux_sigaction(3) (link to URL rtlinux_sigaction.3.html) , rtlinux_sigprocmask(3) (link to URL rtlinux_sigprocmask.3.html) , rtlinux_signal(3) (link to URL rtlinux_signal.3.html) , sigsetops(3)
©2001 FSMLabs Inc.
All rights reserved.