From ccd62bb4d88bafc4472ec8a69d92bc5d4b3411d7 Mon Sep 17 00:00:00 2001
From: Yuxiao Mao <yuxiao.mao@outlook.com>
Date: Mon, 29 Apr 2024 14:29:40 +0200
Subject: [PATCH] Fix wrong error on process exit Linux

---
 hldebug-wrapper/src/debug.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hldebug-wrapper/src/debug.c b/hldebug-wrapper/src/debug.c
index a3a4612..3f8dcf5 100644
--- a/hldebug-wrapper/src/debug.c
+++ b/hldebug-wrapper/src/debug.c
@@ -256,9 +256,11 @@ HL_API int hl_debug_wait( int pid, int *thread, int timeout ) {
 	// With it, and more we wait, less we miss stop event.
 	usleep(100 * 1000);
 	int ret = waitpid(pid, &status, WNOHANG);
+	if( ret == -1 && errno == ECHILD ) {
+		*thread = pid;
+		return 0;
+	}
 	*thread = ret;
-	if( ret == -1 && errno != EINTR )
-		return 3;
 	if( ret <= 0 )
 		return -1;
 	if( WIFEXITED(status) )