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Signals are messages passed by system to running processes.
Signal management functions
sigaction | detailed signal management |
sigaltstack | set/get signal alternate stack context |
sigignore sigpause | simplified signal management |
sighold sigrelse | simplified signal management |
sigset signal | simplified signal management |
sigpending | examine blocked and pending signals |
sigprocmask | change or examine signal mask |
sigsuspend | install a signal mask and suspend process |
sigsend sigsendset | send a signal to a process or group of processes |