TERM signal ——–x a user space interrupt

Connected From This

1. kill command can be used to send TERM signal.
2. SIGTERM 15 Term Termination signal
Signal is an user space interrupt.

Sending a Signal

The following system calls and library functions allow the caller to send a signal:

raise(3)        Sends a signal to the calling thread.

kill(2)         Sends a signal to a specified process, to all members of a
                specified process group, or to all processes on the system.

killpg(2)       Sends a signal to all of the members of a specified process
                group.

pthread_kill(3) Sends a signal to a specified POSIX thread in the same process
                as the caller.

tgkill(2)       Sends a signal to a specified thread within a specific
                process.  (This is the system call used to implement pthread_kill(3).)

sigqueue(2)     Sends a real-time signal with accompanying data to a specified
                process.

http://www.kernel.org/doc/man-pages/online/pages/man7/signal.7.html

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