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The
function terminates a process with the following consequences: All of
the descriptors open in the calling process are closed. This may entail
delays, for example, waiting for output to drain; a process in this state
may not be killed, as it is already dying. If the parent process of the
calling process has an outstanding call or catches the signal, it is
notified of the calling process’s termination and the is set as defined
by The parent process-ID of all of the calling process’s existing child
processes are set to 1; the initialization process (see the DEFINITIONS
section of inherits each of these processes. If the termination of the
process causes any process group to become orphaned (usually because the
parents of all members of the group have now exited; see in and if any
member of the orphaned group is stopped, the signal and the signal are
sent to all members of the newly-orphaned process group. If the process
is a controlling process (see the signal is sent to the foreground process
group of the controlling terminal, and all current access to the controlling
terminal is revoked. Most C programs call the library routine which flushes
buffers, closes streams, unlinks temporary files, etc., before calling
can never return.
The function is defined
by
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