From 35c868e9fbe91f62e7bcd3e34a5d14a1503a1f12 Mon Sep 17 00:00:00 2001
From: Brendan Hansen <brendan.f.hansen@gmail.com>
Date: Sat, 11 Dec 2021 22:54:29 -0600
Subject: [PATCH] added os.exit

---
 core/os/os.onyx                     | 3 +++
 core/runtime/onyx_run.onyx          | 2 +-
 modules/onyx_runtime/onyx_runtime.c | 6 ++++++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/core/os/os.onyx b/core/os/os.onyx
index 5aac907a..23c77f80 100644
--- a/core/os/os.onyx
+++ b/core/os/os.onyx
@@ -41,3 +41,6 @@ list_directory :: (path: str) -> Iterator(DirectoryEntry) {
     return .{ c, next, close };
 }
 
+exit :: (exitcode: i32) {
+    runtime.__exit(exitcode);
+}
\ No newline at end of file
diff --git a/core/runtime/onyx_run.onyx b/core/runtime/onyx_run.onyx
index 43530fb3..1b2c6d84 100644
--- a/core/runtime/onyx_run.onyx
+++ b/core/runtime/onyx_run.onyx
@@ -14,7 +14,7 @@ __output_string :: (s: str) -> u32 {
     return wrote;
 }
 
-__exit :: (status: i32) ---
+__exit :: (status: i32) -> void #foreign "onyx_runtime" "__exit" ---
 
 __read_from_input :: (buffer: [] u8) -> i32 {
     err, read := io.stream_read(^__stdin, buffer);
diff --git a/modules/onyx_runtime/onyx_runtime.c b/modules/onyx_runtime/onyx_runtime.c
index 906c4c75..1be097d6 100644
--- a/modules/onyx_runtime/onyx_runtime.c
+++ b/modules/onyx_runtime/onyx_runtime.c
@@ -754,6 +754,11 @@ ONYX_DEF(__process_destroy, (WASM_I64), ()) {
     return NULL;
 }
 
+ONYX_DEF(__exit, (WASM_I32), ()) {
+    exit(params->data[0].of.i32);
+    return NULL;
+}
+
 ONYX_LIBRARY {
     ONYX_FUNC(__file_open_impl)
     ONYX_FUNC(__file_close)
@@ -780,5 +785,6 @@ ONYX_LIBRARY {
     ONYX_FUNC(__process_wait)
     ONYX_FUNC(__process_destroy)
 
+    ONYX_FUNC(__exit)
     NULL
 };
\ No newline at end of file
-- 
2.25.1