diff options
| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2019-07-13 11:42:09 -0600 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2019-07-13 11:44:12 -0600 |
| commit | c7871135dfce3798d272c9d525efd06a73136ae2 (patch) | |
| tree | c107660c3e5d143046d06333b4a30b6bb4463347 /man7/signal.7 | |
| parent | ed386413f8f81e4bec7b645a1f552674364a82e5 (diff) | |
| download | man-pages-c7871135dfce3798d272c9d525efd06a73136ae2.tar.gz | |
signal.7: Add subsection on queuing and delivery semantics for standard signals
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7/signal.7')
| -rw-r--r-- | man7/signal.7 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/man7/signal.7 b/man7/signal.7 index 87eb9920cb..3074f573e7 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 |