Examine and change blocked signals
#include <signal.h> int pthread_sigmask( int how, const sigset_t* set, sigset_t* oset );
This argument is valid only if set is non-NULL.
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The pthread_sigmask() function is used to examine and/or change the calling thread's signal mask. If set is non-NULL, the thread's signal mask is set to set. If oset is non-NULL, the thread's old signal mask is returned in oset.
You can't block the SIGKILL and SIGSTOP signals.
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | Yes |
Thread | Yes |
kill(), raise(), sigaction(), sigaddset(), sigdelset(), sigemptyset(), sigfillset(), sigismember(), signal(), SignalProcmask(), sigpending(), sigprocmask()