diff options
Diffstat (limited to 'libgo/go/runtime/extern.go')
| -rw-r--r-- | libgo/go/runtime/extern.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libgo/go/runtime/extern.go b/libgo/go/runtime/extern.go index 9dbf057..e2e601f 100644 --- a/libgo/go/runtime/extern.go +++ b/libgo/go/runtime/extern.go @@ -125,6 +125,13 @@ It is a comma-separated list of name=val pairs setting these named variables: IDs will refer to the ID of the goroutine at the time of creation; it's possible for this ID to be reused for another goroutine. Setting N to 0 will report no ancestry information. + asyncpreemptoff: asyncpreemptoff=1 disables signal-based + asynchronous goroutine preemption. This makes some loops + non-preemptible for long periods, which may delay GC and + goroutine scheduling. This is useful for debugging GC issues + because it also disables the conservative stack scanning used + for asynchronously preempted goroutines. + The net, net/http, and crypto/tls packages also refer to debugging variables in GODEBUG. See the documentation for those packages for details. |