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-rw-r--r--scons/fixes.py27
-rw-r--r--scons/gallium.py2
2 files changed, 29 insertions, 0 deletions
diff --git a/scons/fixes.py b/scons/fixes.py
new file mode 100644
index 0000000000..714cccf61d
--- /dev/null
+++ b/scons/fixes.py
@@ -0,0 +1,27 @@
+import sys
+
+# Monkey patch os.spawnve on windows to become thread safe
+if sys.platform == 'win32':
+ import os
+ import threading
+ from os import spawnve as old_spawnve
+
+ spawn_lock = threading.Lock()
+
+ def new_spawnve(mode, file, args, env):
+ spawn_lock.acquire()
+ try:
+ if mode == os.P_WAIT:
+ ret = old_spawnve(os.P_NOWAIT, file, args, env)
+ else:
+ ret = old_spawnve(mode, file, args, env)
+ finally:
+ spawn_lock.release()
+ if mode == os.P_WAIT:
+ pid, status = os.waitpid(ret, 0)
+ ret = status >> 8
+ return ret
+
+ os.spawnve = new_spawnve
+
+
diff --git a/scons/gallium.py b/scons/gallium.py
index 7be0a25004..e9e799dc78 100644
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -38,6 +38,8 @@ import SCons.Action
import SCons.Builder
import SCons.Scanner
+import fixes
+
def quietCommandLines(env):
# Quiet command lines