PTHREAD_SIGMASK(3) Library Functions Manual PTHREAD_SIGMASK(3)

pthread_sigmask — examine and change blocked signals

#include <signal.h>

int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset);

Refer to sigprocmask(3) .

Derived from the POSIX Threads Extension (1003.1c-1995)

February 1997 posix.fail