Linux Signals: Difference between revisions
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==SIGTSTP (20)== | ==SIGTSTP (20)== | ||
Suspends a process executing in foreground. bash sends SIGTSTP to the process running in [[Bash_Concepts#Foreground_Process|foreground]] when Ctrl-Z is pressed. | |||
==SIGTTIN (21)== | ==SIGTTIN (21)== | ||
Revision as of 13:09, 31 July 2017
External
Internal
Signals
SIGHUP (1)
POSIX signal. Hangup.
Hangup is the signal that is sent to the process when the terminal closes on a foreground process.
Also see:
SIGINT (2)
Sends the process an interrupt. Guaranteed to be present on all systems.
bash sends SIGINT to the process running in foreground when Ctrl-C is pressed.
SIGQUIT (3)
Will trigger a Java virtual machine to generate a thread dump.
SIGILL (4)
SIGTRAP (5)
SIGFPE (8)
SIGKILL (9)
POSIX. Kill the process. The signal cannot be caught or ignored. Guaranteed to be present on all systems.
SIGUSR1 (10)
Also see:
SIGSEGV (11)
SIGUSR2 (12)
SIGPIPE (13)
SIGALRM (14)
SIGTERM (15)
Also see:
SIGSTKFLT (16)
SIGCHLD (17)
SIGCONT (18)
POSIX. Continue executing, if stopped.
Also see:
SIGSTOP (19)
POSIX. Stop executing. The signal cannot be caught or ignored.
Also see:
SIGTSTP (20)
Suspends a process executing in foreground. bash sends SIGTSTP to the process running in foreground when Ctrl-Z is pressed.
SIGTTIN (21)
SIGTTOU (22)
SIGURG (23)
SIGXCPU (24)
SIGXFSZ (25)
SIGVTALRM (26)
SIGPROF (27)
SIGWINCH (28)
Also see: