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| author | Yi Li <adamliyi@msn.com> | 2016-08-18 17:08:13 +0800 |
|---|---|---|
| committer | Patrick Williams <patrick@stwcx.xyz> | 2016-08-22 16:24:10 +0000 |
| commit | 03a8b1cfeac017a688c6ad4ffb237f40963db570 (patch) | |
| tree | ec3c3aac7e419465c8c366ef9c61709dc7b90fa1 /pysystemmgr | |
| parent | c14f6fec3dd69511f36f6461e6795d5a84a9801e (diff) | |
| download | talos-skeleton-03a8b1cfeac017a688c6ad4ffb237f40963db570.tar.gz talos-skeleton-03a8b1cfeac017a688c6ad4ffb237f40963db570.zip | |
pysystemmgr: Handling SIGCHLD signal
SystemManager starts multiple child processes when system state changes.
Set parent process to ignore the SIGCHLD signal, to prevent child
processes transforming into zombies when they terminate.
Resolves openbmc/openbmc#206
Change-Id: Ic8baa0cbb97f2df8fcc462a732a4194e4a6d3f8c
Signed-off-by: Yi Li <adamliyi@msn.com>
Diffstat (limited to 'pysystemmgr')
| -rw-r--r-- | pysystemmgr/system_manager.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pysystemmgr/system_manager.py b/pysystemmgr/system_manager.py index 819b4c0..b02be02 100644 --- a/pysystemmgr/system_manager.py +++ b/pysystemmgr/system_manager.py @@ -1,6 +1,7 @@ #!/usr/bin/python -u import sys +import signal import subprocess import gobject import dbus @@ -194,6 +195,8 @@ class SystemManager(DbusProperties, DbusObjectManager): if __name__ == '__main__': + # Ignore SIGCHLD signal, to prevent child process becoming zombie + signal.signal(signal.SIGCHLD, signal.SIG_IGN) dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) bus = get_dbus() obj = SystemManager(bus, OBJ_NAME) |
