sysmgr

commit 8ab3ae233b1612b8fc9107ac289932f3d0626a30
parent 3486bfe79b33a2bba8822c3eb8aaa670b98776e4
Author: Cem Keylan <cem@ckyln.com>
Date:   Tue,  7 Jul 2020 15:07:47 +0300

sysmgr: always fallback to kill for checking processes

Looking at procfs for checking processes isn't portable, and we should
always fallback to kill if we are checking processes.

Diffstat:
M
sysmgr
 | 
8
+++-----

1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/sysmgr b/sysmgr
@@ -56,11 +56,9 @@ checkprocess() {
     #    of being root.
     # 3: Checking the existence of a directory is much faster and more efficient
     #    than sending a signal to a process.
-    [ -d /proc ] || {
-        kill -0 "$1" || return 1
-        return 0
-    }
-    [ -d "/proc/$1" ] || return 1
+    #
+    # However, this isn't the portable way, that's why we fallback to kill(1).
+    [ -d "/proc/$1" ] || kill -0 "$1"
 }
 
 cleanup() {