sigfillset - initialize and fill a signal set
The sigfillset() function shall initialize the signal set pointed to by set, such that all signals defined in this volume of POSIX.1-2017 are included.
Upon successful completion, sigfillset() shall return 0; otherwise, it shall return -1 and set errno to indicate the error.
No errors are defined.
Refer to sigemptyset.
Signal Concepts, pthread_sigmask, sigaction, sigaddset, sigdelset, sigemptyset, sigismember, sigpending, sigsuspend
First released in Issue 3. Included for alignment with the POSIX.1-1988 standard.
The SYNOPSIS is marked CX since the presence of this function in the <signal.h> header is an extension over the ISO C standard.
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