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| author | Eric Blake <eblake@redhat.com> | 2017-05-15 16:41:10 -0500 |
|---|---|---|
| committer | Markus Armbruster <armbru@redhat.com> | 2017-05-23 13:28:17 +0200 |
| commit | 7af88279e4972dd6bf735b620876d54b7a355c4d (patch) | |
| tree | 4ef5f6918c8dca33f0662b26126dd1a4908c8af5 /trace/control.c | |
| parent | fc0f005958ac2cba0d1b081733e19ef055d59636 (diff) | |
shutdown: Simplify shutdown_signal
There is no signal 0 (kill(pid, 0) has special semantics to probe whether
a process is alive), rather than actually sending a signal 0). So we
can use the simpler 0, instead of -1, for our sentinel of whether a
shutdown request due to a signal has happened.
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-Id: <20170515214114.15442-2-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Diffstat (limited to 'trace/control.c')
0 files changed, 0 insertions, 0 deletions