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* dcrt0.cc (dll_crt0_1): Comment assumption.

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* exceptions.cc (sigpacket::setup_handler): Avoid sending signals during fork
processing.
This commit is contained in:
Christopher Faylor 2013-01-21 17:17:44 +00:00
parent 3b1a8c572f
commit 93ff4bbee0
3 changed files with 12 additions and 0 deletions
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6
winsup/cygwin/ChangeLog
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@ -1,3 +1,9 @@
2013-01-21 Christopher Faylor <me.cygwin2013@cgf.cx>
* dcrt0.cc (dll_crt0_1): Comment assumption.
* exceptions.cc (sigpacket::setup_handler): Avoid sending signals
during fork processing.
2013-01-21 Christopher Faylor <me.cygwin2013@cgf.cx> 2013-01-21 Christopher Faylor <me.cygwin2013@cgf.cx>
* dcrt0.cc (dll_crt0_1): Flag that we are working "incyg". Handle any * dcrt0.cc (dll_crt0_1): Flag that we are working "incyg". Handle any

2
winsup/cygwin/dcrt0.cc
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@ -891,6 +891,8 @@ dll_crt0_1 (void *)
_tlstop = (char *) fork_info->stacktop; _tlstop = (char *) fork_info->stacktop;
} }
/* Not resetting _my_tls.incyg here because presumably fork will overwrite
it with the value of the forker and all will be good. */
longjmp (fork_info->jmp, true); longjmp (fork_info->jmp, true);
} }

4
winsup/cygwin/exceptions.cc
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@ -789,6 +789,10 @@ sigpacket::setup_handler (void *handler, struct sigaction& siga, _cygtls *tls)
goto out; goto out;
} }
while (in_forkee)
yield (); /* Won't be able to send signals until we're finished
processing fork(). */
for (int n = 0; n < CALL_HANDLER_RETRY_OUTER; n++) for (int n = 0; n < CALL_HANDLER_RETRY_OUTER; n++)
{ {
for (int i = 0; i < CALL_HANDLER_RETRY_INNER; i++) for (int i = 0; i < CALL_HANDLER_RETRY_INNER; i++)