diff options
Diffstat (limited to 'lib/python2.7/test/subprocessdata/sigchild_ignore.py')
| -rw-r--r-- | lib/python2.7/test/subprocessdata/sigchild_ignore.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/python2.7/test/subprocessdata/sigchild_ignore.py b/lib/python2.7/test/subprocessdata/sigchild_ignore.py new file mode 100644 index 0000000..86320fb --- /dev/null +++ b/lib/python2.7/test/subprocessdata/sigchild_ignore.py @@ -0,0 +1,15 @@ +import signal, subprocess, sys, time +# On Linux this causes os.waitpid to fail with OSError as the OS has already +# reaped our child process. The wait() passing the OSError on to the caller +# and causing us to exit with an error is what we are testing against. +signal.signal(signal.SIGCHLD, signal.SIG_IGN) +subprocess.Popen([sys.executable, '-c', 'print("albatross")']).wait() +# Also ensure poll() handles an errno.ECHILD appropriately. +p = subprocess.Popen([sys.executable, '-c', 'print("albatross")']) +num_polls = 0 +while p.poll() is None: + # Waiting for the process to finish. + time.sleep(0.01) # Avoid being a CPU busy loop. + num_polls += 1 + if num_polls > 3000: + raise RuntimeError('poll should have returned 0 within 30 seconds') |