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SIGPENDING(2) | System Calls Manual | SIGPENDING(2) |
NAME¶
sigpending
—
get pending signals
LIBRARY¶
Standard C Library (libc, -lc)SYNOPSIS¶
#include
<signal.h>
int
sigpending
(sigset_t
*set);
DESCRIPTION¶
Thesigpending
() system call returns a mask
of the signals pending for delivery to the calling thread or the calling
process in the location indicated by set.
Signals may be pending because they are currently masked, or transiently
before delivery (although the latter case is not normally detectable).
RETURN VALUES¶
Thesigpending
() function returns the
value 0 if successful; otherwise the value -1 is returned and
the global variable errno is set to indicate
the error.
ERRORS¶
Thesigpending
() system call will fail if:
- [
EFAULT
] - The set argument specified an invalid address.
SEE ALSO¶
sigaction(2), sigprocmask(2), sigsuspend(2), sigsetops(3)STANDARDS¶
Thesigpending
() system call is expected to
conform to IEEE Std 1003.1-1990
(“POSIX.1”).September 6, 2013 | Debian |