reset signal handlers in Bun.spawn (#4405)

* see if this fixes it

* We don't need this

* Remove extra flag

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/bun.js/bindings/spawn.cpp b/src/bun.js/bindings/spawn.cpp
new file mode 100644
index 000000000..531941f8a
--- /dev/null
+++ b/src/bun.js/bindings/spawn.cpp
@@ -0,0 +1,18 @@
+#include <spawn.h>
+#include <signal.h>
+
+extern "C" int posix_spawnattr_reset_signals(posix_spawnattr_t* attr)
+{
+    sigset_t signal_set;
+    sigfillset(&signal_set);
+    if (posix_spawnattr_setsigdefault(attr, &signal_set) != 0) {
+        return 1;
+    }
+
+    sigemptyset(&signal_set);
+    if (posix_spawnattr_setsigmask(attr, &signal_set) != 0) {
+        return 1;
+    }
+
+    return 0;
+}