bitbake: bitbake-worker: exit normally when SIGHUP

Fixed:
1) Run "bitbake recipe" in the terminal
2) Close the terminal while building
3) $ ps aux | grep bitbake-worker
There will be many processes, and they will keep the resources (e.g.,
memory), and won't exit unless kill or kill -9.

(Bitbake rev: 72536d4e0cc3379001b730950afa012f7a96a79b)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index c6c69c30ea..a900b07a80 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -153,9 +153,14 @@ class BBCooker:
         self.parser = None
 
         signal.signal(signal.SIGTERM, self.sigterm_exception)
+        # Let SIGHUP exit as SIGTERM
+        signal.signal(signal.SIGHUP, self.sigterm_exception)
 
     def sigterm_exception(self, signum, stackframe):
-        bb.warn("Cooker recieved SIGTERM, shutting down...")
+        if signum == signal.SIGTERM:
+            bb.warn("Cooker recieved SIGTERM, shutting down...")
+        elif signum == signal.SIGHUP:
+            bb.warn("Cooker recieved SIGHUP, shutting down...")
         self.state = state.forceshutdown
 
     def setFeatures(self, features):