diff options
Diffstat (limited to 'src/runtime/proc.c')
| -rw-r--r-- | src/runtime/proc.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/runtime/proc.c b/src/runtime/proc.c index 11af6a1ea..31c62d43f 100644 --- a/src/runtime/proc.c +++ b/src/runtime/proc.c @@ -2758,6 +2758,8 @@ static void checkdead(void) { G *gp; + P *p; + M *mp; int32 run, grunning, s; uintptr i; @@ -2799,6 +2801,24 @@ checkdead(void) runtime·unlock(&runtime·allglock); if(grunning == 0) // possible if main goroutine calls runtime·Goexit() runtime·throw("no goroutines (main called runtime.Goexit) - deadlock!"); + + // Maybe jump time forward for playground. + if((gp = runtime·timejump()) != nil) { + runtime·casgstatus(gp, Gwaiting, Grunnable); + globrunqput(gp); + p = pidleget(); + if(p == nil) + runtime·throw("checkdead: no p for timer"); + mp = mget(); + if(mp == nil) + newm(nil, p); + else { + mp->nextp = p; + runtime·notewakeup(&mp->park); + } + return; + } + g->m->throwing = -1; // do not dump full stacks runtime·throw("all goroutines are asleep - deadlock!"); } |