From 95671469c75cb56e7bdee9a061bc20114b4c2dc0 Mon Sep 17 00:00:00 2001
From: Ayke van Laethem <aykevanlaethem@gmail.com>
Date: Thu, 7 Nov 2024 14:34:11 +0100
Subject: [PATCH] runtime: use SA_RESTART when registering a signal

This really is the only sane way to register a signal. If this flag is
not set, many syscalls will return EINTR (and not complete their
operation) which will be a massive source of hard-to-debug bugs.
---
 src/runtime/signal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/runtime/signal.c b/src/runtime/signal.c
index a462518c1..ba4338a6d 100644
--- a/src/runtime/signal.c
+++ b/src/runtime/signal.c
@@ -15,6 +15,7 @@ void tinygo_signal_handler(int sig);
 void tinygo_signal_enable(uint32_t sig) {
     struct sigaction act = { 0 };
     act.sa_handler = &tinygo_signal_handler;
+    act.sa_flags = SA_RESTART;
     sigaction(sig, &act, NULL);
 }