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-rw-r--r--src/pkg/runtime/proc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c
index 6ac4090eb..6324b4be4 100644
--- a/src/pkg/runtime/proc.c
+++ b/src/pkg/runtime/proc.c
@@ -14,6 +14,8 @@ G g0; // idle goroutine for m0
static int32 debug = 0;
+int32 gcwaiting;
+
// Go scheduler
//
// The go scheduler's job is to match ready-to-run goroutines (`g's)
@@ -362,6 +364,7 @@ void
stoptheworld(void)
{
lock(&sched);
+ gcwaiting = 1;
sched.mcpumax = 1;
while(sched.mcpu > 1) {
noteclear(&sched.stopped);
@@ -379,6 +382,7 @@ void
starttheworld(void)
{
lock(&sched);
+ gcwaiting = 0;
sched.mcpumax = sched.gomaxprocs;
matchmg();
unlock(&sched);