Add build system scaffolding and libc headers

1 files changed, 62 insertions, 0 deletions

diff --git a/include/threads.h b/include/threads.h
new file mode 100644
index 00000000..58fd8c87
--- /dev/null
+++ b/include/threads.h
@@ -0,0 +1,62 @@
+#ifndef __THREADS_H
+#define __THREADS_H
+
+#define thread_local _Thread_local
+#define ONCE_FLAG_INIT
+#define TSS_DTOR_ITERATIONS
+
+#define __BITS_TIMESPEC_H_
+#include <bits/timespec.h>
+#undef __BITS_TIMESPEC_H_
+
+typedef struct __thread_cond_t cnd_t;
+typedef struct __thread_mutex_t mtx_t;
+typedef struct __thread_once_flag once_flag;
+typedef struct __thread_self *thrd_t;
+typedef struct __thread_key tss_t;
+
+typedef int (*thrd_start_t)(void *);
+typedef void (*tss_dtor_t)(void *);
+
+enum {
+	mtx_plain = 0x1,
+	mtx_recursive = 0x2,
+	mtx_timed = 0x4,
+};
+
+enum {
+	thrd_success = 0,
+	thrd_busy = 1,
+	thrd_error = 2,
+	thrd_nomem = 3,
+	thrd_timedout = 4,
+};
+
+void call_once(once_flag *, void (*)(void));
+int cnd_broadcast(cnd_t *);
+void cnd_destroy(cnd_t *);
+int cnd_init(cnd_t *);
+int cnd_signal(cnd_t *);
+int cnd_timedwait(cnd_t *restrict, mtx_t *restrict,
+		  const struct timespec *restrict);
+int cnd_wait(cnd_t *, mtx_t *);
+void mtx_destroy(mtx_t *);
+int mtx_init(mtx_t *, int);
+int mtx_lock(mtx_t *);
+int mtx_timedlock(mtx_t *restrict, const struct timespec *restrict);
+int mtx_trylock(mtx_t *);
+int mtx_unlock(mtx_t *);
+int thrd_create(thrd_t *, thrd_start_t, void *);
+thrd_t thrd_current(void);
+int thrd_detach(thrd_t);
+int thrd_equal(thrd_t, thrd_t);
+_Noreturn void thrd_exit(int);
+int thrd_join(thrd_t, int *);
+int thrd_sleep(const struct timespec *, struct timespec *);
+void thrd_yield(void);
+int tss_create(tss_t *, tss_dtor_t);
+void tss_delete(tss_t);
+void *tss_get(tss_t);
+int tss_set(tss_t, void *);
+
+#endif