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Roland McGrath authored
My commit 2b2a1ff6 introduced a regression (sorry about that) for the odd case of exit_signal=0 (e.g. clone_flags=0). This is not a normal use, but it's used by a case in the glibc test suite. Dying with exit_signal=0 sends no signal, but it's supposed to wake up a parent's blocked wait*() calls (unlike the delayed_group_leader case). This fixes tracehook_notify_death() and its caller to distinguish a "signal 0" wakeup from the delayed_group_leader case (with no wakeup). Signed-off-by:
Roland McGrath <roland@redhat.com> Tested-by:
Serge Hallyn <serue@us.ibm.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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