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Index: engine/SCons/compat/_scons_subprocess.py
===================================================================
--- engine/SCons/compat/_scons_subprocess.py (revision 2695)
+++ engine/SCons/compat/_scons_subprocess.py (working copy)
@@ -581,13 +581,19 @@
class object:
pass
+import thread
+lock = thread.allocate_lock()
+
class Popen(object):
def __init__(self, args, bufsize=0, executable=None,
stdin=None, stdout=None, stderr=None,
preexec_fn=None, close_fds=False, shell=False,
cwd=None, env=None, universal_newlines=False,
startupinfo=None, creationflags=0):
- """Create new Popen instance."""
+ """Create new Popen instance.
+ Popen is not thread-safe and is therefore protected with a lock.
+ """
+ lock.acquire()
_cleanup()
self._child_created = False
@@ -655,6 +661,7 @@
self.stderr = os.fdopen(errread, 'rU', bufsize)
else:
self.stderr = os.fdopen(errread, 'rb', bufsize)
+ lock.release()
def _translate_newlines(self, data):
|
