Close inherited PIPE before doing work
Gmake in Darwin has file descriptor leak.
In a full build, ota_from_target_files will inherits
more than 2000 open PIPEs from gmake and fails in a call to select.select().
This change fixes the build by closing the PIPEs before doing real work.
Change-Id: Ie7035d7add0b1da3afb6bf9c2009d40f8c7d29b3
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 3cc86bf..a7413a0 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -18,6 +18,7 @@
import getpass
import imp
import os
+import platform
import re
import shutil
import subprocess
@@ -63,6 +64,22 @@
return subprocess.Popen(args, **kwargs)
+def CloseInheritedPipes():
+ """ Gmake in MAC OS has file descriptor (PIPE) leak. We close those fds
+ before doing other work."""
+ if platform.system() != "Darwin":
+ return
+ for d in range(3, 1025):
+ try:
+ stat = os.fstat(d)
+ if stat is not None:
+ pipebit = stat[0] & 0x1000
+ if pipebit != 0:
+ os.close(d)
+ except OSError:
+ pass
+
+
def LoadInfoDict(zip):
"""Read and parse the META/misc_info.txt key/value pairs from the
input target files and return a dict."""