sigemptyset

Syntax

#include <signal.h> int sigemptyset (sigset_t *set)

Description

This function initializes the set of signals pointed to by set to exclude all signals known to the DJGPP runtime system. Such an empty set, if passed to sigprocmask (see section sigprocmask), will cause all signals to be passed immediately to their handlers.

Return Value

0 upon success, -1 if set is a NULL pointer.

Portability

ANSI/ISO C	No
POSIX	1003.2-1992; 1003.1-2001