VirtualBox

source: vbox/trunk/src/VBox/Additions/3D/mesa/mesa-17.3.9/scons/fixes.py@ 75443

Last change on this file since 75443 was 75443, checked in by vboxsync, 6 years ago

Exported Mesa related code to OSE.

  • Property svn:eol-style set to LF
File size: 677 bytes
Line 
1import sys
2
3# Monkey patch os.spawnve on windows to become thread safe
4if sys.platform == 'win32':
5 import os
6 import threading
7 from os import spawnve as old_spawnve
8
9 spawn_lock = threading.Lock()
10
11 def new_spawnve(mode, file, args, env):
12 spawn_lock.acquire()
13 try:
14 if mode == os.P_WAIT:
15 ret = old_spawnve(os.P_NOWAIT, file, args, env)
16 else:
17 ret = old_spawnve(mode, file, args, env)
18 finally:
19 spawn_lock.release()
20 if mode == os.P_WAIT:
21 pid, status = os.waitpid(ret, 0)
22 ret = status >> 8
23 return ret
24
25 os.spawnve = new_spawnve
26
27
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