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authorMichael Muré <batolettre@gmail.com>2023-03-04 15:22:36 +0100
committerMichael Muré <batolettre@gmail.com>2023-03-04 15:22:36 +0100
commit4b62a9450abddfe220fd997583533dd391b524bc (patch)
treea77b01515608cba1efeb8fe76b79e081072bad02 /util
parent852380f2212a41342cb5440d13cf723ae50b61ea (diff)
downloadgit-bug-4b62a9450abddfe220fd997583533dd391b524bc.tar.gz
util: better IsRunning(pid)
Diffstat (limited to 'util')
-rw-r--r--util/process/process.go20
1 files changed, 15 insertions, 5 deletions
diff --git a/util/process/process.go b/util/process/process.go
index f3bcb7f2..e3f47282 100644
--- a/util/process/process.go
+++ b/util/process/process.go
@@ -9,15 +9,25 @@ import (
func IsRunning(pid int) bool {
// never return no error in a unix system
process, err := os.FindProcess(pid)
-
if err != nil {
return false
}
// Signal 0 doesn't do anything but allow testing the process
err = process.Signal(syscall.Signal(0))
-
- // Todo: distinguish "you don't have access" and "process doesn't exist"
-
- return err == nil
+ if err == nil {
+ return true
+ }
+ if err.Error() == "os: process already finished" {
+ return false
+ }
+ if errno, ok := err.(syscall.Errno); ok {
+ switch errno {
+ case syscall.ESRCH:
+ return false
+ case syscall.EPERM:
+ return true
+ }
+ }
+ return false
}