[Bug 20380] Heroes of Might and Magic III hangs

wine-bugs at winehq.org wine-bugs at winehq.org
Fri Feb 19 11:05:57 CST 2010


--- Comment #80 from Gustaw Smolarczyk <wielkiegie at gmail.com>  2010-02-19 11:05:55 ---
I'm not familiar with signals and pthread, but I'll try to help somewhat :) I
can easily reproduce this "BUG" on my machine.
It looks like kernel delays a SIGSEGV handler. SIGUSR1 handler is called first
but it's immediatly interrupted by SIGSEGV. I can't see any way how "push ebp"
could generate SIGSEGV (no stack manipulation here), so it's for me the only
By blocking SIGSEGV in SIGUSR1 sigaction the BUG disappears, but it's not the
best way, I think. Is the SIGSEGV blocked in the whole handler? Or just pending
SIGSEGVs are blocked for a while?

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