[bitbake-devel] [PATCH] utils: Add ability to change the process name
Richard Purdie
richard.purdie at linuxfoundation.org
Fri Jan 29 11:07:02 UTC 2016
Being able to tell the bitbake processes apart is useful for debugging.
Add a helper function which allows this without making it a hard
dependency. Errors are ignored, this is just nice to have.
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index 9a3efb2..ae10213 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -1395,3 +1395,14 @@ def ioprio_set(who, cls, value):
raise ValueError("Unable to set ioprio, syscall returned %s" % rc)
else:
bb.warn("Unable to set IO Prio for arch %s" % _unamearch)
+
+def set_process_name(name):
+ from ctypes import cdll, byref, create_string_buffer
+ # This is nice to have for debugging, not essential
+ try:
+ libc = cdll.LoadLibrary('libc.so.6')
+ buff = create_string_buffer(len(name)+1)
+ buff.value = name
+ libc.prctl(15, byref(buff), 0, 0, 0)
+ except:
+ pass
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