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Showing content from https://github.com/sigtrap/sigtrap below:

sigtrap/sigtrap: Unix utility to execute a command when a specified signal is received

sigtrap is a simple utility that can execute an arbitrary Unix command when a particular POSIX IPC signal is received. After registering the signal handler, the process sleeps until awakened by the signal.

Compile sigtrap using gcc with:

gcc -o sigtrap sigtrap.c -liberty

Usage:

sigtrap <signal> <command> [arguments...]

sigtrap can react to the following signals:

• USR1

• USR2

• HUP

• INT

• ILL

• BUS

• FPE

• URG

• PWR

• SYS

Using SIGUSR1 or SIGUSR2 is recommended, as these signals have no pre-defined standard meaning that must be overridden.

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