diag: print pipe() error details in service.spawn

2026-07-12 11:55:37 +03:00
parent ab0da30613
commit 234ce3ab1a
1 changed files with 8 additions and 1 deletions
@@ -47,7 +47,14 @@ impl Service {
        }
        command.envs(base_envs).envs(&self.envs);

-        let (mut read_pipe, write_pipe) = io::pipe().unwrap();
+        let (mut read_pipe, write_pipe) = io::pipe().unwrap_or_else(|e| {
+            eprintln!("INIT_DIAG: pipe() failed: {} (errno {})", e, e.raw_os_error().unwrap_or(-1));
+            match std::fs::OpenOptions::new().read(true).open("/scheme/pipe") {
+                Ok(_f) => eprintln!("INIT_DIAG: /scheme/pipe open ok"),
+                Err(e2) => eprintln!("INIT_DIAG: /scheme/pipe open failed: {} (errno {})", e2, e2.raw_os_error().unwrap_or(-1)),
+            }
+            panic!("pipe() failed in service.spawn for {}: {}", self.cmd, e)
+        });
        unsafe { pass_fd(&mut command, "INIT_NOTIFY", write_pipe.into()) };

        let mut child = match command.spawn() {