Isolate child processes from signals meant for the watchdog

diffstorm · diffstorm · commit 355093da7ba5 · 2025-12-27T18:48:56.000Z
diff --git a/src/process.c b/src/process.c
@@ -84,6 +84,9 @@ void process_start(int app_index)
     else if(pid == 0)
     {
         // Child process
+        // Create new session to detach from parent's terminal/process group
+        // The child processes should be started in their own process group so they don't receive signals meant for the watchdog
+        setsid();
         // Close inherited file descriptors (except stdin/stdout/stderr)
         int max_fd = (int)sysconf(_SC_OPEN_MAX);
 

Original file line number	Diff line number	Diff line change
`@@ -84,6 +84,9 @@ void process_start(int app_index)`
`84`	`84`	`else if(pid == 0)`
`85`	`85`	`{`
`86`	`86`	`// Child process`
	`87`	`+ // Create new session to detach from parent's terminal/process group`
	`88`	`+ // The child processes should be started in their own process group so they don't receive signals meant for the watchdog`
	`89`	`+ setsid();`
`87`	`90`	`// Close inherited file descriptors (except stdin/stdout/stderr)`
`88`	`91`	`int max_fd = (int)sysconf(_SC_OPEN_MAX);`
`89`	`92`