From b6f29c2cd77cdc08ee91086fbbb3467f210e1a74 Mon Sep 17 00:00:00 2001
From: Mark <alnyan@airmail.cc>
Date: Sun, 5 Jul 2020 18:54:41 +0300
Subject: [PATCH] Treat req. pid == pid the same as req. pid == 0 in setpgrp

---
 sys/thread.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/thread.c b/sys/thread.c
index 5816707..35d030d 100644
--- a/sys/thread.c
+++ b/sys/thread.c
@@ -657,6 +657,10 @@ int sys_setpgid(pid_t pid, pid_t pgrp) {
         return 0;
     }
 
+    if (pid == thr->pid) {
+        thr->pgid = pgrp;
+        return 0;
+    }
     // Find child with pid pid (guess only children can be setpgid'd)
     struct thread *chld = thread_child(thr, pid);
     if (!chld) {