Remove lots of dependencies

1 files changed, 0 insertions, 176 deletions

diff --git a/kit/shared_mutex.h b/kit/shared_mutex.h
deleted file mode 100644
index ad83418..0000000
--- a/kit/shared_mutex.h
+++ /dev/null
@@ -1,176 +0,0 @@
-//  Shared mutex can be used in shared memory for interprocess
-//  synchronization.
-//
-
-#ifndef KIT_SHARED_MUTEX_H
-#define KIT_SHARED_MUTEX_H
-
-#include "atomic.h"
-#include "threads.h"
-
-#include <assert.h>
-#include <string.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#if defined(__GNUC__) || defined(__clang__)
-#  pragma GCC diagnostic push
-#  pragma GCC diagnostic ignored "-Wunused-function"
-#  pragma GCC diagnostic ignored "-Wunknown-pragmas"
-#  pragma GCC            push_options
-#  pragma GCC            optimize("O3")
-#endif
-
-enum {
-  KIT_SHARED_MUTEX_READY = 1,
-  KIT_SHARED_MUTEX_LOCKED,
-  KIT_SHARED_MUTEX_WRITER
-};
-
-typedef union {
-  struct {
-    i8 _Atomic state;
-    i32        readers;
-  };
-  struct {
-    u8 _pad[16];
-  };
-} kit_shared_mutex_t;
-
-static void kit_shared_mutex_init(kit_shared_mutex_t *m) {
-  assert(m != NULL);
-  memset(m, 0, sizeof *m);
-
-  atomic_store_explicit(&m->state, KIT_SHARED_MUTEX_READY,
-                        memory_order_relaxed);
-}
-
-static b8 kit_shared_try_lock(kit_shared_mutex_t *m) {
-  assert(m != NULL);
-
-  for (;;) {
-    i8 prev_state = KIT_SHARED_MUTEX_READY;
-    if (atomic_compare_exchange_strong_explicit(
-            &m->state, &prev_state, KIT_SHARED_MUTEX_LOCKED,
-            memory_order_seq_cst, memory_order_seq_cst))
-      break;
-    if (prev_state == KIT_SHARED_MUTEX_WRITER)
-      return 0;
-    //  FIXME
-    //  Check performance
-    thrd_yield();
-  }
-
-  assert(m->readers >= 0);
-  ++m->readers;
-
-  i8 prev_state = KIT_SHARED_MUTEX_LOCKED;
-  if (!atomic_compare_exchange_strong_explicit(
-          &m->state, &prev_state, KIT_SHARED_MUTEX_READY,
-          memory_order_seq_cst, memory_order_seq_cst))
-    assert(0);
-
-  return 1;
-}
-
-static void kit_shared_lock(kit_shared_mutex_t *m) {
-  assert(m != NULL);
-
-  while (!kit_shared_try_lock(m))
-    //  FIXME
-    //  Check performance
-    thrd_yield();
-}
-
-static void kit_shared_unlock(kit_shared_mutex_t *m) {
-  assert(m != NULL);
-
-  for (;;) {
-    i8 prev_state = KIT_SHARED_MUTEX_READY;
-    if (atomic_compare_exchange_strong_explicit(
-            &m->state, &prev_state, KIT_SHARED_MUTEX_LOCKED,
-            memory_order_seq_cst, memory_order_seq_cst))
-      break;
-    //  FIXME
-    //  Check performance
-    thrd_yield();
-  }
-
-  assert(m->readers > 0);
-  m->readers--;
-
-  i8 prev_state = KIT_SHARED_MUTEX_LOCKED;
-  if (!atomic_compare_exchange_strong_explicit(
-          &m->state, &prev_state, KIT_SHARED_MUTEX_READY,
-          memory_order_seq_cst, memory_order_seq_cst))
-    assert(0);
-}
-
-static b8 kit_unique_try_lock(kit_shared_mutex_t *m) {
-  assert(m != NULL);
-
-  i8 prev_state = KIT_SHARED_MUTEX_READY;
-  if (!atomic_compare_exchange_strong_explicit(
-          &m->state, &prev_state, KIT_SHARED_MUTEX_WRITER,
-          memory_order_seq_cst, memory_order_seq_cst))
-    return 0;
-
-  i8 is_locked = (m->readers == 0);
-
-  prev_state = KIT_SHARED_MUTEX_WRITER;
-  if (!is_locked &&
-      !atomic_compare_exchange_strong_explicit(
-          &m->state, &prev_state, KIT_SHARED_MUTEX_READY,
-          memory_order_seq_cst, memory_order_seq_cst))
-    assert(0);
-
-  return is_locked;
-}
-
-static void kit_unique_lock(kit_shared_mutex_t *m) {
-  assert(m != NULL);
-
-  while (!kit_unique_try_lock(m))
-    //  FIXME
-    //  Check performance
-    thrd_yield();
-}
-
-static void kit_unique_unlock(kit_shared_mutex_t *m) {
-  assert(m != NULL);
-
-  i8 prev_state = KIT_SHARED_MUTEX_WRITER;
-  if (!atomic_compare_exchange_strong_explicit(
-          &m->state, &prev_state, KIT_SHARED_MUTEX_READY,
-          memory_order_seq_cst, memory_order_seq_cst))
-    assert(0);
-}
-
-#if defined(__GNUC__) || defined(__clang__)
-#  pragma GCC            pop_options
-#  pragma GCC diagnostic pop
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#define shared_mutex_t kit_shared_mutex_t
-#define shared_mutex_init kit_shared_mutex_init
-#define shared_try_lock kit_shared_try_lock
-#define shared_lock kit_shared_lock
-#define shared_unlock kit_shared_unlock
-#define unique_try_lock kit_unique_try_lock
-#define unique_lock kit_unique_lock
-#define unique_unlock kit_unique_unlock
-#define shared_mutex_init kit_shared_mutex_init
-#define shared_try_lock kit_shared_try_lock
-#define shared_lock kit_shared_lock
-#define shared_unlock kit_shared_unlock
-#define unique_try_lock kit_unique_try_lock
-#define unique_lock kit_unique_lock
-#define unique_unlock kit_unique_unlock
-
-#endif