mirror of https://github.com/mkerrisk/man-pages
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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@ -115,6 +115,17 @@ Sends a signal to a specified thread within a specific process.
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.TP
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.TP
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.BR sigqueue (2)
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.BR sigqueue (2)
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Sends a real-time signal with accompanying data to a specified process.
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Sends a real-time signal with accompanying data to a specified process.
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.SS Waiting for a Signal to be Caught
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The following system calls suspend execution of the calling process
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or thread until a signal is caught
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(or an unhandled signal terminates the process):
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.TP 16
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.BR pause (2)
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Suspends execution until any signal is caught.
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.TP
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.BR sigsuspend (2)
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Temporarily changes the signal mask (see below) and suspends
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execution until one of the unmasked signals is caught.
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.SS "Signal Mask and Pending Signals"
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.SS "Signal Mask and Pending Signals"
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A signal may be
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A signal may be
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.IR blocked ,
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.IR blocked ,
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