From 1d5e56659af7945daac0f79a06b839bfd59c8f1f Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Mon, 4 Oct 2021 21:01:31 +0200
Subject: remove support for processes returning strings on exit

This isn't really all that useful, it doesn't enable anything that
wasn't possible before. With it removed I'll be able to implement
process_exit() in a much simpler way.
---
 src/init/main.c | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

(limited to 'src/init/main.c')

diff --git a/src/init/main.c b/src/init/main.c
index 5c798d2..71a2d4e 100644
--- a/src/init/main.c
+++ b/src/init/main.c
@@ -23,7 +23,7 @@ int main(void) {
 
 	tty_fd = _syscall_open("/tty", sizeof("/tty") - 1);
 	if (tty_fd < 0)
-		_syscall_exit(argify("couldn't open tty"));
+		_syscall_exit(1);
 
 	fs_test();
 	test_await();
@@ -32,7 +32,7 @@ int main(void) {
 	while (_syscall_read(tty_fd, &c, 1, 0))
 		_syscall_write(tty_fd, &c, 1, 0);
 
-	_syscall_exit(argify("my job here is done."));
+	_syscall_exit(0);
 }
 
 void read_file(const char *path, size_t len) {
@@ -83,19 +83,15 @@ void fs_test(void) {
 }
 
 void test_await(void) {
-	char buf[16];
-	int len;
+	int ret;
 
-	// the child immediately dies
-	if (!_syscall_fork())
-		_syscall_exit(argify("i'm dead"));
-	if (!_syscall_fork())
-		_syscall_exit(argify("i'm also dead"));
+	if (!_syscall_fork()) _syscall_exit(69);
+	if (!_syscall_fork()) _syscall_exit(420);
 
-	while ((len = _syscall_await(buf, 16)) >= 0) {
+	while ((ret = _syscall_await()) != ~0) {
 		log("await returned: ");
-		_syscall_write(tty_fd, buf, len, 0);
+		//_syscall_write(tty_fd, buf, len, 0); TODO printf
 		log("\n");
 	}
-	log("await: negative len\n");
+	log("await: no more children\n");
 }
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