Linux Signals

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Internal

Signals

SIGHUP (1)

POSIX. Hangup.

SIGINT (2)

SIGQUIT (3)

SIGILL (4)

SIGTRAP (5)

SIGFPE (8)

SIGKILL (9)

POSIX. Kill the process. The signal cannot be caught or ignored.

SIGUSR1 (10)

SIGSEGV (11)

SIGUSR2 (12)

SIGPIPE (13)

SIGALRM (14)

SIGTERM (15)

SIGSTKFLT (16)

SIGCHLD (17)

SIGCONT (18)

POSIX. Continue executing, if stopped.

SIGSTOP (19)

POSIX. Stop executing. The signal cannot be caught or ignored.

SIGTSTP (20)

SIGTTIN (21)

SIGTTOU (22)

SIGURG (23)

SIGXCPU (24)

SIGXFSZ (25)