Section: Linux Programmer's Manual (2)
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pause - wait for signal
causes the calling process (or thread) to sleep
until a signal is delivered that either terminates the process or causes
the invocation of a signal-catching function.
returns only when a signal was caught and the
signal-catching function returned.
In this case,
returns -1, and
is set to
a signal was caught and the signal-catching function returned.
POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD.
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