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runtime: no deadlock error if buildmode=c-archive or c-shared

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Change-Id: I4ee6dac32bd3759aabdfdc92b235282785fbcca9
Reviewed-on: https://go-review.googlesource.com/9083
Reviewed-by: David Crawshaw <crawshaw@golang.org>
This commit is contained in:
Ian Lance Taylor 2015-04-18 18:19:06 -07:00
parent a13cf8c104
commit 725aa3451a
1 changed files with 7 additions and 0 deletions
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7
src/runtime/proc1.go
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@ -2711,6 +2711,13 @@ func incidlelocked(v int32) {
// Check for deadlock situation.
// The check is based on number of running M's, if 0 -> deadlock.
func checkdead() {
// For -buildmode=c-shared or -buildmode=c-archive it's OK if
// there are no running goroutines. The calling program is
// assumed to be running.
if islibrary || isarchive {
return
}
// If we are dying because of a signal caught on an already idle thread,
// freezetheworld will cause all running threads to block.
// And runtime will essentially enter into deadlock state,