NAME

sigfillset — initialize and fill a signal set

SYNOPSIS

[CX] #include <signal.h>

int sigfillset(sigset_t *set);

DESCRIPTION

The sigfillset() function shall initialize the signal set pointed to by set, such that all signals defined in this volume of POSIX.1-2024 are included.

RETURN VALUE

Upon successful completion, sigfillset() shall return 0; otherwise, it shall return -1 and set errno to indicate the error.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

RATIONALE

Refer to sigemptyset.

FUTURE DIRECTIONS

None.

SEE ALSO

2.4 Signal Concepts, pthread_sigmask, sigaction, sigaddset, sigdelset, sigemptyset, sigismember, sigpending, sigsuspend

XBD <signal.h>

CHANGE HISTORY

First released in Issue 3. Included for alignment with the POSIX.1-1988 standard.

Issue 6

The SYNOPSIS is marked CX since the presence of this function in the <signal.h> header is an extension over the ISO C standard.