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terminal.py: avoid 100% cpu while waiting for phonehome pid file 

Some of the less common terminal types haven't been tested with the
recent phonehome pid file changes and there may be error cases where
the pid file is never created.

(From OE-Core rev: 6b0cf568e9fbe28fb6e7b17f4ad92348d33e2bf4)

(From OE-Core rev: 9aa06b3116c095a512be1d1f5da84ffaedf845dc)

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Andre McCurdy 2017-08-25 13:36:30 -07:00 committed by Richard Purdie
parent 0f81fcb600
commit 452164e7d6
1 changed files with 2 additions and 1 deletions
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3
meta/lib/oe/terminal.py
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@ -221,6 +221,7 @@ def spawn(name, sh_cmd, title=None, env=None, d=None):
# to a file using a "phonehome" wrapper script, then monitor the pid
# until it exits.
import tempfile
import time
pidfile = tempfile.NamedTemporaryFile(delete = False).name
try:
sh_cmd = "oe-gnome-terminal-phonehome " + pidfile + " " + sh_cmd
@ -232,13 +233,13 @@ def spawn(name, sh_cmd, title=None, env=None, d=None):
raise ExecutionError(sh_cmd, pipe.returncode, output)
while os.stat(pidfile).st_size <= 0:
time.sleep(0.01)
continue
with open(pidfile, "r") as f:
pid = int(f.readline())
finally:
os.unlink(pidfile)
import time
while True:
try:
os.kill(pid, 0)