From 195c42b9fb825d2ed82b9a0d85d79142fcc240dc Mon Sep 17 00:00:00 2001
From: Fabrice Bellard <fabrice@bellard.org>
Date: Thu, 11 Jan 2024 15:25:28 +0100
Subject: [PATCH] added os.getpid()

---
 doc/quickjs.texi | 3 +++
 quickjs-libc.c   | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/doc/quickjs.texi b/doc/quickjs.texi
index 055825a..b064e7d 100644
--- a/doc/quickjs.texi
+++ b/doc/quickjs.texi
@@ -757,6 +757,9 @@ object containing optional parameters:
 
   @end table
 
+@item getpid()
+Return the current process ID.
+
 @item waitpid(pid, options)
 @code{waitpid} Unix system call. Return the array @code{[ret,
 status]}. @code{ret} contains @code{-errno} in case of error.
diff --git a/quickjs-libc.c b/quickjs-libc.c
index ea73ee8..d4f4d67 100644
--- a/quickjs-libc.c
+++ b/quickjs-libc.c
@@ -3088,6 +3088,13 @@ static JSValue js_os_exec(JSContext *ctx, JSValueConst this_val,
     goto done;
 }
 
+/* getpid() -> pid */
+static JSValue js_os_getpid(JSContext *ctx, JSValueConst this_val,
+                            int argc, JSValueConst *argv)
+{
+    return JS_NewInt32(ctx, getpid());
+}
+
 /* waitpid(pid, block) -> [pid, status] */
 static JSValue js_os_waitpid(JSContext *ctx, JSValueConst this_val,
                              int argc, JSValueConst *argv)
@@ -3714,6 +3721,7 @@ static const JSCFunctionListEntry js_os_funcs[] = {
     JS_CFUNC_DEF("symlink", 2, js_os_symlink ),
     JS_CFUNC_DEF("readlink", 1, js_os_readlink ),
     JS_CFUNC_DEF("exec", 1, js_os_exec ),
+    JS_CFUNC_DEF("getpid", 0, js_os_getpid ),
     JS_CFUNC_DEF("waitpid", 2, js_os_waitpid ),
     OS_FLAG(WNOHANG),
     JS_CFUNC_DEF("pipe", 0, js_os_pipe ),