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Allow control of 2nd arg to segsetjmp() via -DSCOPE_SAVES_SIGNAL_MASK.
authorNick Ing-Simmons <nik@tiuk.ti.com>
Wed, 10 Jan 2001 22:52:55 +0000 (22:52 +0000)
committerNick Ing-Simmons <nik@tiuk.ti.com>
Wed, 10 Jan 2001 22:52:55 +0000 (22:52 +0000)
commitb03c0a3af9d8dc230dbf7f55955fdc7ce65f2403
treea332c8a0e09b665ca07adc0aadd5f54aaaac366c
parent25d920232779109764865e51a54577792f1390e3
Allow control of 2nd arg to segsetjmp() via -DSCOPE_SAVES_SIGNAL_MASK.
(So Alan and Ilya can try setting via hints.)
Verified Linux "works" with it true and fails to re-enable SIGINT if false.
Restoring sigmask in Perl_sighandler() if handler dies is not equivalent;
doing the save everywhere seems to restart read() correctly, but just
doing it once "round" the handler does not.

p4raw-id: //depot/perlio@8401
scope.h