Add a signal to a set
#include <signal.h> int sigaddset( sigset_t *set, int signo );
- A pointer to the sigset_t object that you want to add the signal to.
- The signal that you want to add. For more information, see POSIX signals in the documentation for SignalAction().
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The sigaddset() function adds signo to the set pointed to by set.
- An error occurred (errno is set).
- The signal signo isn't valid.
See sigemptyset() .