diff --git a/man7/signal.7 b/man7/signal.7 index 87eb9920c..3074f573e 100644 --- a/man7/signal.7 +++ b/man7/signal.7 @@ -308,6 +308,16 @@ by default on those other UNIX systems where it appears. (which is not specified in POSIX.1-2001) is ignored by default on several other UNIX systems. .\" +.SS Queueing and delivery semantics for standard signals +If multiple standard signals are pending for a process, +the order in which the signals are delivered is unspecified. +.PP +Standard signals do not queue. +If multiple instances of a standard signal are generated while +that signal is blocked, +then only one instance of the signal is marked as pending +(and the signal will be delivered just once when it is unblocked). +.\" .SS Signal numbering for standard signals The numeric value for each signal is given in the table below. As shown in the table, many signals have different numeric values