From a66ce8238c08703bd1066a8094d6ab537e82b20e Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Sun, 12 Sep 2021 13:26:29 +0200
Subject: implement most of fs_wait

awaited_req is a garbage name but i couldn't come up with a better one.
i also have no idea how to handle all the failure states
---
 src/init/main.c     | 5 ++++-
 src/init/syscalls.c | 4 ++--
 2 files changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/init')

diff --git a/src/init/main.c b/src/init/main.c
index 8d677af..01e2285 100644
--- a/src/init/main.c
+++ b/src/init/main.c
@@ -28,14 +28,17 @@ int main(void) {
 }
 
 void fs_test(void) {
+	static char buf[64] __attribute__((section("text")));
+	int len = 64;
 	handle_t front, back, file;
 	front = _syscall_fs_create((void*)&back); // TODO change user_ptr to void*
 
 	if (_syscall_fork()) {
 		// child: is the fs server
 		log("fs_wait started. ");
-		_syscall_fs_wait(back, NULL);
+		_syscall_fs_wait(back, buf, &len);
 		log("fs_wait returned. ");
+		_syscall_write(tty_fd, buf, len);
 	} else {
 		// parent: accesses the fs
 		_syscall_mount(front, argify("/mnt"));
diff --git a/src/init/syscalls.c b/src/init/syscalls.c
index 4584837..e63f911 100644
--- a/src/init/syscalls.c
+++ b/src/init/syscalls.c
@@ -41,6 +41,6 @@ handle_t _syscall_fs_create(handle_t __user *back) {
 	return _syscall(_SYSCALL_FS_CREATE, (int)back, 0, 0);
 }
 
-int _syscall_fs_wait(handle_t back, void __user *info) {
-	return _syscall(_SYSCALL_FS_WAIT, back, (int)info, 0);
+int _syscall_fs_wait(handle_t back, char __user *buf, int __user *len) {
+	return _syscall(_SYSCALL_FS_WAIT, back, (int)buf, (int)len);
 }
-- 
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