Name | Number | Description |
---|---|---|
SIGINT |
2 | Interrupts the process, generally killing it. Typically sent with Ctrl-c . |
SIGKILL |
9 | Kills the process. Cannot be ignored or overwritten. |
SIGSEGV |
11 | Sent to a process when it experiences a segmentation fault. |
SIGCHLD |
18 | Sent to a parent when a child process finishes. Used by wait() . |
SIGSTOP |
23 | Suspends the process. Cannot be ignored or overwritten. |
SIGTSTP |
24 | Suspends the process. Typically sent with Ctrl-z . |
SIGCONT |
25 | Resumes a suspended process. |
Table 2.4: Common POSIX signals, their numbers, and their effects