diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/os_netbsd.go | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/runtime/os_netbsd.go b/src/runtime/os_netbsd.go index b75ec7908b..3778969318 100644 --- a/src/runtime/os_netbsd.go +++ b/src/runtime/os_netbsd.go @@ -122,8 +122,8 @@ func semasleep(ns int64) int32 { // Compute sleep deadline. var tsp *timespec + var ts timespec if ns >= 0 { - var ts timespec var nsec int32 ts.set_sec(timediv(ns, 1000000000, &nsec)) ts.set_nsec(nsec) @@ -143,6 +143,15 @@ func semasleep(ns int64) int32 { ret := lwp_park(_CLOCK_MONOTONIC, _TIMER_RELTIME, tsp, 0, unsafe.Pointer(&_g_.m.waitsemacount), nil) if ret == _ETIMEDOUT { return -1 + } else if ret == _EINTR && ns >= 0 { + // Avoid sleeping forever if we keep getting + // interrupted (for example by the profiling + // timer). It would be if tsp upon return had the + // remaining time to sleep, but this is good enough. + var nsec int32 + ns /= 2 + ts.set_sec(timediv(ns, 1000000000, &nsec)) + ts.set_nsec(nsec) } } } |