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* exceptions.cc (_cygtls::interrupt_now): Revert to checking for "spinning"

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when choosing to defer signal.
(_cygtls::call_signal_handler): Grab func when we have the lock.
* gendef: Update copyright.
(__sigbe): Simplify slightly.
(_sigdelayed): Grab a lock before manipulating stuff.
(_cygtls::pop): Properly return popped value.
(stabilize_sig_stack): Set incyg when we have the lock.
* sigproc.cc: Update copyright.
This commit is contained in:
Christopher Faylor
2010-08-01 19:10:52 +00:00
parent 6defc805c3
commit 0b6fbd396c
4 changed files with 46 additions and 18 deletions
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11
winsup/cygwin/exceptions.cc
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@ -778,7 +778,11 @@ _cygtls::interrupt_now (CONTEXT *cx, int sig, void *handler,
{
bool interrupted;
if (incyg || inside_kernel (cx))
/* Delay the interrupt if we are
1) somehow inside the DLL
2) in _sigfe (spinning is true) and about to enter cygwin DLL
3) in a Windows DLL. */
if (incyg || spinning || inside_kernel (cx))
interrupted = false;
else
{
@ -1372,6 +1376,7 @@ _cygtls::call_signal_handler ()
lock ();
this_sa_flags = sa_flags;
int thissig = sig;
void (*thisfunc) (int) = func;
pop ();
reset_signal_arrived ();
@ -1382,13 +1387,13 @@ _cygtls::call_signal_handler ()
incyg = 0;
if (!(this_sa_flags & SA_SIGINFO))
{
void (*sigfunc) (int) = func;
void (*sigfunc) (int) = thisfunc;
sigfunc (thissig);
}
else
{
siginfo_t thissi = infodata;
void (*sigact) (int, siginfo_t *, void *) = (void (*) (int, siginfo_t *, void *)) func;
void (*sigact) (int, siginfo_t *, void *) = (void (*) (int, siginfo_t *, void *)) thisfunc;
/* no ucontext_t information provided yet */
sigact (thissig, &thissi, NULL);
}