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This page displays the COHERENT manpage for sigfillset() [Initialize a set of signals].
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sigfillset() -- Signal Function (libc) Initialize a set of signals #include <signal.h> int sigfillset (set) sigset_t *set; sigfillset() is one of a set of signalling functions that manipulate data objects addressable by the application, instead of a set of signals known to the system. It initializes the set of signals to which set points, such that all standard signals are included. sigfillset() returns zero if all goes well. If a problem occurs, it returns -1 and sets errno to an appropriate value. Applications must call either sigemptyset() or sigfillset() at least once for each object of type sigset_t prior to any other object. If such an object is not initialized in this way, but is supplied as an argument to any of the functions sigaddset(), sigdelset(), sigismember(), sigaction(), sigprocmask(), sigpending(), or sigsuspend(), the results are undefined. See Also libc, sigaction(), sigaddset(), sigdelset(), sigemptyset(), sigismember() Notes If your program is compiled using the System V Release 4 compilation environment, this is a function that is linked in from libc. If not, a macro form is used.