Attempt to fix the "too many open files" errors on several of the

buildbots that the new test_close_fds_when_max_fd_is_lowered test causes.
It now leaves 10 more low fd's available.
This commit is contained in:
Gregory P. Smith 2014-06-01 15:16:16 -07:00
commit 69b778df5d
1 changed files with 6 additions and 4 deletions

View File

@ -1933,13 +1933,15 @@ class POSIXProcessTestCase(BaseTestCase):
open_fds = set()
# Add a bunch more fds to pass down.
for _ in range(10):
for _ in range(40):
fd = os.open("/dev/null", os.O_RDONLY)
open_fds.add(fd)
# Leave a two pairs of low ones available for use by the
# internal child error pipe and the stdout pipe.
for fd in sorted(open_fds)[:4]:
# We also leave 10 more open as some Python buildbots run into
# "too many open files" errors during the test if we do not.
for fd in sorted(open_fds)[:14]:
os.close(fd)
open_fds.remove(fd)
@ -1952,8 +1954,8 @@ class POSIXProcessTestCase(BaseTestCase):
import resource
rlim_cur, rlim_max = resource.getrlimit(resource.RLIMIT_NOFILE)
try:
# 9 is lower than the highest fds we are leaving open.
resource.setrlimit(resource.RLIMIT_NOFILE, (9, rlim_max))
# 29 is lower than the highest fds we are leaving open.
resource.setrlimit(resource.RLIMIT_NOFILE, (29, rlim_max))
# Launch a new Python interpreter with our low fd rlim_cur that
# inherits open fds above that limit. It then uses subprocess
# with close_fds=True to get a report of open fds in the child.