diff options
-rw-r--r-- | src/internal/task/pmutex-cooperative.go | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/internal/task/pmutex-cooperative.go b/src/internal/task/pmutex-cooperative.go new file mode 100644 index 000000000..ae2aa4bad --- /dev/null +++ b/src/internal/task/pmutex-cooperative.go @@ -0,0 +1,16 @@ +package task + +// PMutex is a real mutex on systems that can be either preemptive or threaded, +// and a dummy lock on other (purely cooperative) systems. +// +// It is mainly useful for short operations that need a lock when threading may +// be involved, but which do not need a lock with a purely cooperative +// scheduler. +type PMutex struct { +} + +func (m *PMutex) Lock() { +} + +func (m *PMutex) Unlock() { +} |