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signal.7: Give overview of syscalls that block until a signal is caught 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2008-10-05 07:30:24 +02:00
parent 4704a09b80
commit 22fe4981c2
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man7/signal.7
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@ -115,6 +115,17 @@ Sends a signal to a specified thread within a specific process.
.TP
.BR sigqueue (2)
Sends a real-time signal with accompanying data to a specified process.
.SS Waiting for a Signal to be Caught
The following system calls suspend execution of the calling process
or thread until a signal is caught
(or an unhandled signal terminates the process):
.TP 16
.BR pause (2)
Suspends execution until any signal is caught.
.TP
.BR sigsuspend (2)
Temporarily changes the signal mask (see below) and suspends
execution until one of the unmasked signals is caught.
.SS "Signal Mask and Pending Signals"
A signal may be
.IR blocked ,