![]() ![]() The signal is usually initiated by the process itself when it calls abort function of the C Standard Library, but it can be sent to the process from outside like any other signal. ![]() POSIX signals SIGABRT The SIGABRT signal is sent to a process to tell it to abort, i.e. SIGTTOU 22,22,27 Stop Terminal output for background process SIGTTIN 21,21,26 Stop Terminal input for background process ![]() SIGTSTP 18,20,24 Stop Stop typed at terminal SIGCONT 19,18,25 Cont Continue if stopped SIGCHLD 20,17,18 Ign Child stopped or terminated SIGUSR2 31,12,17 Term User-defined signal 2 SIGUSR1 30,10,16 Term User-defined signal 1 SIGALRM 14 Term Timer signal from alarm(2) SIGTERM 15 Term Termination signal SIGPIPE 13 Term Broken pipe: write to pipe with no SIGABRT 6 Core Abort signal from abort(3) SIGFPE 8 Core Floating point exception SIGHUP 1 Term Hangup detected on controlling terminal Linux supports both POSIX reliable signals (hereinafter "standardįirst the signals described in the original POSIX.1-1990 standard. ![]()
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