From bd5969fc876a10b18613302db7087ef3c40f18e1 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 7 Mar 2024 17:28:00 -0500
Subject: lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 lib/mlibc/options/ansi/generic/threads.cpp | 97 ++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 lib/mlibc/options/ansi/generic/threads.cpp

(limited to 'lib/mlibc/options/ansi/generic/threads.cpp')

diff --git a/lib/mlibc/options/ansi/generic/threads.cpp b/lib/mlibc/options/ansi/generic/threads.cpp
new file mode 100644
index 0000000..70fa055
--- /dev/null
+++ b/lib/mlibc/options/ansi/generic/threads.cpp
@@ -0,0 +1,97 @@
+#include <abi-bits/errno.h>
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/thread.hpp>
+#include <mlibc/threads.hpp>
+#include <threads.h>
+
+int thrd_create(thrd_t *thr, thrd_start_t func, void *arg) {
+	int res = mlibc::thread_create(thr, 0, reinterpret_cast<void *>(func), arg, true);
+
+	if(!res) {
+		return thrd_success;
+	}
+
+	return (res == ENOMEM) ? thrd_nomem : thrd_error;
+}
+
+int thrd_equal(thrd_t t1, thrd_t t2) {
+	if(t1 == t2) {
+		return 1;
+	}
+	return 0;
+}
+
+thrd_t thrd_current(void) {
+	return reinterpret_cast<thrd_t>(mlibc::get_current_tcb());
+}
+
+int thrd_sleep(const struct timespec *, struct timespec *) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}
+
+void thrd_yield(void) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}
+
+int thrd_detach(thrd_t) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}
+
+int thrd_join(thrd_t thr, int *res) {
+	if(mlibc::thread_join(thr, res) != 0) {
+		return thrd_error;
+	}
+
+	return thrd_success;
+}
+
+__attribute__((__noreturn__)) void thrd_exit(int) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}
+
+int mtx_init(mtx_t *mtx, int type) {
+	struct __mlibc_mutexattr attr;
+	mlibc::thread_mutexattr_init(&attr);
+
+	if(type & mtx_recursive) {
+		mlibc::thread_mutexattr_settype(&attr, __MLIBC_THREAD_MUTEX_RECURSIVE);
+	}
+
+	int res = mlibc::thread_mutex_init(mtx, &attr) == 0 ? thrd_success : thrd_error;
+	mlibc::thread_mutexattr_destroy(&attr);
+
+	return res;
+}
+
+void mtx_destroy(mtx_t *mtx) {
+	mlibc::thread_mutex_destroy(mtx);
+}
+
+int mtx_lock(mtx_t *mtx) {
+	return mlibc::thread_mutex_lock(mtx) == 0 ? thrd_success : thrd_error;
+}
+
+int mtx_unlock(mtx_t *mtx) {
+	return mlibc::thread_mutex_unlock(mtx) == 0 ? thrd_success : thrd_error;
+}
+
+int cnd_init(cnd_t *cond) {
+	return mlibc::thread_cond_init(cond, 0) == 0 ? thrd_success : thrd_error;
+}
+
+void cnd_destroy(cnd_t *cond) {
+	mlibc::thread_cond_destroy(cond);
+}
+
+int cnd_broadcast(cnd_t *cond) {
+	return mlibc::thread_cond_broadcast(cond) == 0 ? thrd_success : thrd_error;
+}
+
+int cnd_wait(cnd_t *cond, mtx_t *mtx) {
+	return mlibc::thread_cond_timedwait(cond, mtx, nullptr) == 0 ? thrd_success : thrd_error;
+}
-- 
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