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Fix cases where signal iteration might die early.

This commit is contained in:
steve 2000-11-19 20:48:30 +00:00
parent e05b9a4769
commit 457d193238
1 changed files with 14 additions and 3 deletions
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17
functor.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: functor.cc,v 1.23 2000/11/18 04:53:04 steve Exp $" #ident "$Id: functor.cc,v 1.24 2000/11/19 20:48:30 steve Exp $"
#endif #endif
# include "functor.h" # include "functor.h"
@ -88,14 +88,22 @@ void NetScope::run_functor(Design*des, functor_t*fun)
fun->event(des, tmp); fun->event(des, tmp);
} }
// apply to signals // apply to signals. Each iteration, allow for the possibility
// that the current signal deletes itself.
if (signals_) { if (signals_) {
unsigned count = 0;
NetNet*cur = signals_->sig_next_; NetNet*cur = signals_->sig_next_;
do { do {
count += 1;
cur = cur->sig_next_;
} while (cur != signals_->sig_next_);
cur = signals_->sig_next_;
for (unsigned idx = 0 ; idx < count ; idx += 1) {
NetNet*tmp = cur->sig_next_; NetNet*tmp = cur->sig_next_;
fun->signal(des, cur); fun->signal(des, cur);
cur = tmp; cur = tmp;
} while (signals_ && (cur != signals_->sig_next_)); }
} }
} }
@ -274,6 +282,9 @@ int proc_match_t::event_wait(NetEvWait*)
/* /*
* $Log: functor.cc,v $ * $Log: functor.cc,v $
* Revision 1.24 2000/11/19 20:48:30 steve
* Fix cases where signal iteration might die early.
*
* Revision 1.23 2000/11/18 04:53:04 steve * Revision 1.23 2000/11/18 04:53:04 steve
* Watch out in functor, it may delete the last signal. * Watch out in functor, it may delete the last signal.
* *