diff options
Diffstat (limited to 'src/pkg/runtime/runtime.h')
| -rw-r--r-- | src/pkg/runtime/runtime.h | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/src/pkg/runtime/runtime.h b/src/pkg/runtime/runtime.h index 8d4773b9f7..ae098459fa 100644 --- a/src/pkg/runtime/runtime.h +++ b/src/pkg/runtime/runtime.h @@ -126,13 +126,25 @@ enum // If you add to this list, add to the list // of "okay during garbage collection" status // in mgc0.c too. - Gidle, - Grunnable, - Grunning, - Gsyscall, - Gwaiting, - Gmoribund_unused, // currently unused, but hardcoded in gdb scripts - Gdead, + Gidle, // 0 + Grunnable, // 1 runnable and on a run queue + Grunning, // 2 + Gsyscall, // 3 + Gwaiting, // 4 + Gmoribund_unused, // 5 currently unused, but hardcoded in gdb scripts + Gdead, // 6 + Genqueue, // 7 Only the Gscanenqueue is used. + Gcopystack, // 8 in this state when newstack is moving the stack + // the following encode that the GC is scanning the stack and what to do when it is done + Gscan = 0x1000, // atomicstatus&~Gscan = the non-scan state, + // Gscanidle = Gscan + Gidle, // Not used. Gidle only used with newly malloced gs + Gscanrunnable = Gscan + Grunnable, // 0x1001 When scanning complets make Grunnable (it is already on run queue) + Gscanrunning = Gscan + Grunning, // 0x1002 Used to tell preemption newstack routine to scan preempted stack. + Gscansyscall = Gscan + Gsyscall, // 0x1003 When scanning completes make is Gsyscall + Gscanwaiting = Gscan + Gwaiting, // 0x1004 When scanning completes make it Gwaiting + // Gscanmoribund_unused, // not possible + // Gscandead, // not possible + Gscanenqueue = Gscan + Genqueue, // When scanning completes make it Grunnable and put on runqueue }; enum { @@ -276,7 +288,7 @@ struct G uintptr stack0; uintptr stacksize; void* param; // passed parameter on wakeup - int16 status; + uint32 atomicstatus; int64 goid; int64 waitsince; // approx time when the G become blocked String waitreason; // if status==Gwaiting @@ -285,6 +297,8 @@ struct G bool issystem; // do not output in stack dump, ignore in deadlock detector bool preempt; // preemption signal, duplicates stackguard0 = StackPreempt bool paniconfault; // panic (instead of crash) on unexpected fault address + bool preemptscan; // preempted g does scan for GC + bool scancheck; // debug: cleared at begining of scan cycle, set by scan, tested at end of cycle int8 raceignore; // ignore race detection events M* m; // for debuggers, but offset not hard-coded M* lockedm; @@ -681,6 +695,9 @@ void runtime·algslicecopy(uintptr, void*, void*); void runtime·intercopy(uintptr, void*, void*); void runtime·nilintercopy(uintptr, void*, void*); +uint32 runtime·readgstatus(G *gp); +void runtime·casgstatus(G*, uint32, uint32); + /* * deferred subroutine calls */ |