In sigprocmask is a function call used to change the list of currently blocked signals. Blocked signals are not delivered to the process until unblocked.
Signals that cannot be ignored (
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Signal (computing) — A signal is a limited form of inter process communication used in Unix, Unix like, and other POSIX compliant operating systems. Essentially it is an asynchronous notification sent to a process in order to notify it of an event that occurred. When … Wikipedia
Señal (informática) — Una señal (signal) es una forma limitada de comunicación entre procesos empleada en Unix y otros sistemas operativos compatibles con POSIX. En esencia es una notificación asíncrona enviada a un proceso para informarle de un evento. Cuando se le… … Wikipedia Español
