1 files changed, 19 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/go-plugin/process_posix.go b/vendor/github.com/hashicorp/go-plugin/process_posix.go
new file mode 100644
index 0000000..70ba546
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-plugin/process_posix.go
@@ -0,0 +1,19 @@
+// +build !windows
+
+package plugin
+
+import (
+        "os"
+        "syscall"
+)
+
+// _pidAlive tests whether a process is alive or not by sending it Signal 0,
+// since Go otherwise has no way to test this.
+func _pidAlive(pid int) bool {
+        proc, err := os.FindProcess(pid)
+        if err == nil {
+                err = proc.Signal(syscall.Signal(0))
+        }
+
+        return err == nil
+}