sigpending2
Get pending signals
Usage
#include <signal.h>
int
sigpending(sigset_t *set);
Library
Standard C Library (libc, -lc)
Overview
The sigpending() 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
The sigpending() 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
The sigpending() system call will fail if:
- [EFAULT]
-
The set argument specified an invalid address.
Releases
87 releases since FreeBSD 2.0.5-RELEASE; the text changed 43 times.