| SIGHUP |
1 |
Hangup (POSIX) |
Terminate |
| SIGINT |
2 |
Terminal interrupt (ANSI) |
Terminate |
| SIGQUIT |
3 |
Terminal quit (POSIX) |
Core Dump |
| SIGILL |
4 |
Illegal instruction (ANSI) |
Core Dump |
| SIGTRAP |
5 |
Trace trap (POSIX) |
Core Dump |
| SIGABRT |
6 |
Aborted |
Core Dump |
| SIGBUS |
7 |
BUS error (4.2 BSD) |
Core Dump |
| SIGFPE |
8 |
Floating point exception (ANSI) |
|
| SIGKILL |
9 |
Kill(can't be caught or ignored) (POSIX) |
Terminate |
| SIGUSR1 |
10 |
User defined signal 1 (POSIX) |
|
| SIGSEGV |
11 |
Invalid memory segment access (ANSI) |
Terminate + Core Dump |
| SIGUSR2 |
12 |
User defined signal 2 (POSIX) |
|
| SIGPIPE |
13 |
Write on a pipe with no reader, Broken pipe (POSIX) |
|
| SIGALRM |
14 |
Alarm clock (POSIX) |
|
| SIGTERM |
15 |
Termination (ANSI) |
Terminate |
| SIGSTKFLT |
16 |
Stack fault |
|
| SIGCHLD |
17 |
Child process has stopped or exited, changed (POSIX) |
Ignore |
| SIGCONTv |
18 |
Continue executing, if stopped (POSIX) |
Restart |
| SIGSTOP |
19 |
Stop executing(can't be caught or ignored) (POSIX) |
Suspend |
| SIGTSTP |
20 |
Terminal stop signal (POSIX) |
Suspend |
| SIGTTIN |
21 |
Background process trying to read, from TTY (POSIX) |
|
| SIGTTOU |
22 |
Background process trying to write, to TTY (POSIX) |
|
| SIGURG |
23 |
Urgent condition on socket (4.2 BSD) |
|
| SIGXCPU |
24 |
CPU limit exceeded (4.2 BSD) |
|
| SIGXFSZ |
25 |
File size limit exceeded (4.2 BSD) |
|
| SIGVTALRM |
26 |
Virtual alarm clock (4.2 BSD) |
|
| SIGPROF |
27 |
Profiling alarm clock (4.2 BSD) |
|
| SIGWINCH |
28 |
Window size change (4.3 BSD, Sun) |
|
| SIGIO |
29 |
I/O now possible (4.2 BSD) |
Terminate |
| SIGPWR |
30 |
Power failure restart (System V) |
|