Signal Types | |||
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SIGHUP |
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Hangup detected on controlling terminal or death of controlling process |
SIGINT |
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Interrupt from keyboard |
SIGQUIT |
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Quit from keyboard |
SIGILL |
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Illegal Instruction |
SIGABRT |
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Abort signal from abort(3) |
SIGFPE |
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Floating point exception |
SIGKILL |
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(Can't be caught) (Can't be ignored) |
Kill signal |
SIGSEGV |
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Invalid memory reference |
SIGPIPE |
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Broken pipe: write to pipe with no readers |
SIGALRM |
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Timer signal from alarm(2) |
SIGTERM |
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Termination signal |
SIGUSR1 |
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User-defined signal 1 |
SIGUSR2 |
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User-defined signal 2 |
SIGCHLD |
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Child stopped or terminated |
SIGCONT |
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Continue if stopped |
SIGSTOP |
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(Can't be caught) (Can't be ignored) |
Stop process |
SIGTSTP |
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Stop typed at tty |
SIGTTIN |
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tty input for background process |
SIGTTOU |
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tty output for background process |
SIGIOT |
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(Non-POSIX.1) |
IOT trap. A synonym for SIGABRT |
SIGEMT |
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SIGBUS |
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(Non-POSIX.1) |
Bus error |
SIGSYS |
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Bad argument to routine (SVID) |
SIGSTKFLT |
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(Non-POSIX.1) |
Stack fault on coprocessor |
SIGURG |
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(Non-POSIX.1) |
Urgent condition on socket (4.2 BSD) |
SIGIO |
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(Non-POSIX.1) |
I/O now possible (4.2 BSD) |
SIGPOLL |
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(Non-POSIX.1) |
Terminate synonym for SIGIO (System V) |
SIGCLD |
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Terminate synonym for SIGCHLD |
SIGXCPU |
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(Non-POSIX.1) |
CPU time limit exceeded (4.2 BSD) |
SIGXFSZ |
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(Non-POSIX.1) |
File size limit exceeded (4.2 BSD) |
SIGVTALRM |
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(Non-POSIX.1) |
Virtual alarm clock (4.2 BSD) |
SIGPROF |
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(Non-POSIX.1) |
Profile alarm clock |
SIGPWR |
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(Non-POSIX.1) |
Power failure (System V) |
SIGINFO |
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Terminate synonym for SIGPWR |
SIGLOST |
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(Non-POSIX.1) |
File lock lost |
SIGWINCH |
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(Non-POSIX.1) |
Window resize signal (4.3 BSD, Sun) |
SIGUNUSED |
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(Non-POSIX.1) |
Unused signal |