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SIGPENDING(2FREEBSD) - Linux man page online | System calls

Get pending signals.

Chapter
September 6, 2013
SIGPENDING(2) BSD 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

The sigpending() system call returns a mask of the signals pending for delivery to the call‐ ing 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.

SEE ALSO

sigaction(2), sigprocmask(2), sigsuspend(2), sigsetops(3)

STANDARDS

The sigpending() system call is expected to conform to ISO/IEC 9945-1:1990 (“POSIX.1”).
BSD September 6, 2013 BSD
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sigpending(2freebsd) referred by
refer to sigaction(2) | sigpending(2) | sigprocmask(2) | sigsetops(3) | sigsuspend(2)
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