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wait for child events explicitly

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Kovid Goyal
2022-07-10 17:11:43 +05:30
parent e650699217
commit 1c0d1ec8a9
2 changed files with 10 additions and 5 deletions
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11
kitty_tests/prewarm.py
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@@ -159,7 +159,7 @@ import os, json; from kitty.utils import *; from kitty.fast_data_types import ge
self.ae(int(p.from_worker.readline()), data['pid'])
def test_signal_handling(self):
from kitty.prewarm import restore_python_signal_handlers
from kitty.prewarm import restore_python_signal_handlers, wait_for_child_death
expecting_code = 0
expecting_signal = signal.SIGCHLD
expecting_value = 0
@@ -224,10 +224,15 @@ import os, json; from kitty.utils import *; from kitty.fast_data_types import ge
expecting_code = None
expecting_value = 0
p = run()
t(signal.SIGTSTP, CLD_STOPPED)
p.send_signal(signal.SIGSTOP)
s = wait_for_child_death(p.pid, options=os.WUNTRACED, timeout=5)
self.assertTrue(os.WIFSTOPPED(s))
t(None, CLD_STOPPED)
p.send_signal(signal.SIGCONT)
s = wait_for_child_death(p.pid, options=os.WCONTINUED, timeout=5)
self.assertTrue(os.WIFCONTINUED(s))
# macOS does not send SIGCHLD when child is continued
# https://stackoverflow.com/questions/48487935/sigchld-is-sent-on-sigcont-on-linux-but-not-on-macos
p.send_signal(signal.SIGCONT)
p.stdin.close()
p.wait(1)
for fd, event in poll.poll(0):