From 68eaa680f84eef84cbc5c688d2d37325710d33bf Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Tue, 16 May 2023 12:28:59 +0000
Subject: [PATCH] CLI/RPC: better error msg when running daemon on Windows

`-d` is not supported, due to missing os.fork

related: https://github.com/spesmilo/electrum/issues/5511
---
 run_electrum | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/run_electrum b/run_electrum
index aaf6ea161..0f32d954f 100755
--- a/run_electrum
+++ b/run_electrum
@@ -419,7 +419,13 @@ def main():
             print_stderr("Run 'electrum stop' to stop the daemon.")
             sys.exit(1)
         # fork before creating the asyncio event loop
-        pid = os.fork()
+        try:
+            pid = os.fork()
+        except AttributeError as e:
+            print_stderr(f"Error: {e!r}")
+            print_stderr("Running daemon in detached mode (-d) is not supported on this platform.")
+            print_stderr("Try running the daemon in the foreground (without -d).")
+            sys.exit(1)
         if pid:
             print_stderr("starting daemon (PID %d)" % pid)
             sys.exit(0)