Commit 404dd02443aebed284033e02ace8b791151aa7a9

Edward Thomson 2020-12-05T15:57:48

threads: rename thread files to thread.[ch]

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diff --git a/src/cache.c b/src/cache.c
index dbd4c31..2f68e35 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -9,7 +9,7 @@
 
 #include "repository.h"
 #include "commit.h"
-#include "thread-utils.h"
+#include "thread.h"
 #include "util.h"
 #include "odb.h"
 #include "object.h"
diff --git a/src/cache.h b/src/cache.h
index c43422d..42c4fa8 100644
--- a/src/cache.h
+++ b/src/cache.h
@@ -13,7 +13,7 @@
 #include "git2/oid.h"
 #include "git2/odb.h"
 
-#include "thread-utils.h"
+#include "thread.h"
 #include "oidmap.h"
 
 enum {
diff --git a/src/common.h b/src/common.h
index 2b1a4a4..a4ddcf9 100644
--- a/src/common.h
+++ b/src/common.h
@@ -78,7 +78,7 @@
 #include "git2/types.h"
 #include "git2/errors.h"
 #include "errors.h"
-#include "thread-utils.h"
+#include "thread.h"
 #include "integer.h"
 #include "assert_safe.h"
 
diff --git a/src/libgit2.c b/src/libgit2.c
index 9e5112d..e41988c 100644
--- a/src/libgit2.c
+++ b/src/libgit2.c
@@ -22,7 +22,7 @@
 #include "refs.h"
 #include "runtime.h"
 #include "sysdir.h"
-#include "thread-utils.h"
+#include "thread.h"
 #include "threadstate.h"
 #include "git2/global.h"
 #include "streams/registry.h"
diff --git a/src/pack-objects.c b/src/pack-objects.c
index 8167853..f9d8bfd 100644
--- a/src/pack-objects.c
+++ b/src/pack-objects.c
@@ -12,7 +12,7 @@
 #include "iterator.h"
 #include "netops.h"
 #include "pack.h"
-#include "thread-utils.h"
+#include "thread.h"
 #include "tree.h"
 #include "util.h"
 #include "revwalk.h"
diff --git a/src/sortedcache.h b/src/sortedcache.h
index e553d01..ca8b106 100644
--- a/src/sortedcache.h
+++ b/src/sortedcache.h
@@ -12,7 +12,7 @@
 #include "util.h"
 #include "futils.h"
 #include "vector.h"
-#include "thread-utils.h"
+#include "thread.h"
 #include "pool.h"
 #include "strmap.h"
 
diff --git a/src/thread-utils.h b/src/thread-utils.h
deleted file mode 100644
index 9b511b6..0000000
--- a/src/thread-utils.h
+++ /dev/null
@@ -1,370 +0,0 @@
-/*
- * Copyright (C) the libgit2 contributors. All rights reserved.
- *
- * This file is part of libgit2, distributed under the GNU GPL v2 with
- * a Linking Exception. For full terms see the included COPYING file.
- */
-#ifndef INCLUDE_thread_utils_h__
-#define INCLUDE_thread_utils_h__
-
-#if defined(GIT_THREADS)
-
-#if defined(__clang__)
-
-# if (__clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1))
-#  error Atomic primitives do not exist on this version of clang; configure libgit2 with -DTHREADSAFE=OFF
-# else
-#  define GIT_BUILTIN_ATOMIC
-# endif
-
-#elif defined(__GNUC__)
-
-# if (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1))
-#  error Atomic primitives do not exist on this version of gcc; configure libgit2 with -DTHREADSAFE=OFF
-# elif (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))
-#  define GIT_BUILTIN_ATOMIC
-# else
-#  define GIT_BUILTIN_SYNC
-# endif
-
-#endif
-
-#endif /* GIT_THREADS */
-
-/* Common operations even if threading has been disabled */
-typedef struct {
-#if defined(GIT_WIN32)
-	volatile long val;
-#else
-	volatile int val;
-#endif
-} git_atomic32;
-
-#ifdef GIT_ARCH_64
-
-typedef struct {
-#if defined(GIT_WIN32)
-	volatile __int64 val;
-#else
-	volatile int64_t val;
-#endif
-} git_atomic64;
-
-typedef git_atomic64 git_atomic_ssize;
-
-#define git_atomic_ssize_set git_atomic64_set
-#define git_atomic_ssize_add git_atomic64_add
-#define git_atomic_ssize_get git_atomic64_get
-
-#else
-
-typedef git_atomic32 git_atomic_ssize;
-
-#define git_atomic_ssize_set git_atomic32_set
-#define git_atomic_ssize_add git_atomic32_add
-#define git_atomic_ssize_get git_atomic32_get
-
-#endif
-
-#ifdef GIT_THREADS
-
-#ifdef GIT_WIN32
-#   include "win32/thread.h"
-#else
-#   include "unix/pthread.h"
-#endif
-
-GIT_INLINE(void) git_atomic32_set(git_atomic32 *a, int val)
-{
-#if defined(GIT_WIN32)
-	InterlockedExchange(&a->val, (LONG)val);
-#elif defined(GIT_BUILTIN_ATOMIC)
-	__atomic_store_n(&a->val, val, __ATOMIC_SEQ_CST);
-#elif defined(GIT_BUILTIN_SYNC)
-	__sync_lock_test_and_set(&a->val, val);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-GIT_INLINE(int) git_atomic32_inc(git_atomic32 *a)
-{
-#if defined(GIT_WIN32)
-	return InterlockedIncrement(&a->val);
-#elif defined(GIT_BUILTIN_ATOMIC)
-	return __atomic_add_fetch(&a->val, 1, __ATOMIC_SEQ_CST);
-#elif defined(GIT_BUILTIN_SYNC)
-	return __sync_add_and_fetch(&a->val, 1);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-GIT_INLINE(int) git_atomic32_add(git_atomic32 *a, int32_t addend)
-{
-#if defined(GIT_WIN32)
-	return InterlockedExchangeAdd(&a->val, addend);
-#elif defined(GIT_BUILTIN_ATOMIC)
-	return __atomic_add_fetch(&a->val, addend, __ATOMIC_SEQ_CST);
-#elif defined(GIT_BUILTIN_SYNC)
-	return __sync_add_and_fetch(&a->val, addend);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-GIT_INLINE(int) git_atomic32_dec(git_atomic32 *a)
-{
-#if defined(GIT_WIN32)
-	return InterlockedDecrement(&a->val);
-#elif defined(GIT_BUILTIN_ATOMIC)
-	return __atomic_sub_fetch(&a->val, 1, __ATOMIC_SEQ_CST);
-#elif defined(GIT_BUILTIN_SYNC)
-	return __sync_sub_and_fetch(&a->val, 1);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-GIT_INLINE(int) git_atomic32_get(git_atomic32 *a)
-{
-#if defined(GIT_WIN32)
-	return (int)InterlockedCompareExchange(&a->val, 0, 0);
-#elif defined(GIT_BUILTIN_ATOMIC)
-	return __atomic_load_n(&a->val, __ATOMIC_SEQ_CST);
-#elif defined(GIT_BUILTIN_SYNC)
-	return __sync_val_compare_and_swap(&a->val, 0, 0);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-GIT_INLINE(void *) git_atomic__compare_and_swap(
-	void * volatile *ptr, void *oldval, void *newval)
-{
-#if defined(GIT_WIN32)
-	volatile void *foundval;
-	foundval = InterlockedCompareExchangePointer((volatile PVOID *)ptr, newval, oldval);
-	return (foundval == oldval) ? oldval : newval;
-#elif defined(GIT_BUILTIN_ATOMIC)
-	bool success = __atomic_compare_exchange(ptr, &oldval, &newval, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
-	return success ? oldval : newval;
-#elif defined(GIT_BUILTIN_SYNC)
-	volatile void *foundval;
-	foundval = __sync_val_compare_and_swap(ptr, oldval, newval);
-	return (foundval == oldval) ? oldval : newval;
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-GIT_INLINE(volatile void *) git_atomic__swap(
-	void * volatile *ptr, void *newval)
-{
-#if defined(GIT_WIN32)
-	return InterlockedExchangePointer(ptr, newval);
-#elif defined(GIT_BUILTIN_ATOMIC)
-	void * volatile foundval;
-	__atomic_exchange(ptr, &newval, &foundval, __ATOMIC_SEQ_CST);
-	return foundval;
-#elif defined(GIT_BUILTIN_SYNC)
-	return __sync_lock_test_and_set(ptr, newval);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-GIT_INLINE(volatile void *) git_atomic__load(void * volatile *ptr)
-{
-#if defined(GIT_WIN32)
-	void *newval = NULL, *oldval = NULL;
-	volatile void *foundval = NULL;
-	foundval = InterlockedCompareExchangePointer((volatile PVOID *)ptr, newval, oldval);
-	return foundval;
-#elif defined(GIT_BUILTIN_ATOMIC)
-	return (volatile void *)__atomic_load_n(ptr, __ATOMIC_SEQ_CST);
-#elif defined(GIT_BUILTIN_SYNC)
-	return (volatile void *)__sync_val_compare_and_swap(ptr, 0, 0);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-#ifdef GIT_ARCH_64
-
-GIT_INLINE(int64_t) git_atomic64_add(git_atomic64 *a, int64_t addend)
-{
-#if defined(GIT_WIN32)
-	return InterlockedExchangeAdd64(&a->val, addend);
-#elif defined(GIT_BUILTIN_ATOMIC)
-	return __atomic_add_fetch(&a->val, addend, __ATOMIC_SEQ_CST);
-#elif defined(GIT_BUILTIN_SYNC)
-	return __sync_add_and_fetch(&a->val, addend);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-GIT_INLINE(void) git_atomic64_set(git_atomic64 *a, int64_t val)
-{
-#if defined(GIT_WIN32)
-	InterlockedExchange64(&a->val, val);
-#elif defined(GIT_BUILTIN_ATOMIC)
-	__atomic_store_n(&a->val, val, __ATOMIC_SEQ_CST);
-#elif defined(GIT_BUILTIN_SYNC)
-	__sync_lock_test_and_set(&a->val, val);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-GIT_INLINE(int64_t) git_atomic64_get(git_atomic64 *a)
-{
-#if defined(GIT_WIN32)
-	return (int64_t)InterlockedCompareExchange64(&a->val, 0, 0);
-#elif defined(GIT_BUILTIN_ATOMIC)
-	return __atomic_load_n(&a->val, __ATOMIC_SEQ_CST);
-#elif defined(GIT_BUILTIN_SYNC)
-	return __sync_val_compare_and_swap(&a->val, 0, 0);
-#else
-#	error "Unsupported architecture for atomic operations"
-#endif
-}
-
-#endif
-
-#else
-
-#define git_threads_global_init git__noop
-
-#define git_thread unsigned int
-#define git_thread_create(thread, start_routine, arg) git__noop()
-#define git_thread_join(id, status) git__noop()
-
-/* Pthreads Mutex */
-#define git_mutex unsigned int
-#define git_mutex_init(a)	git__noop()
-#define git_mutex_init(a)	git__noop()
-#define git_mutex_lock(a)	git__noop()
-#define git_mutex_unlock(a)	git__noop()
-#define git_mutex_free(a)	git__noop()
-
-/* Pthreads condition vars */
-#define git_cond unsigned int
-#define git_cond_init(c)	git__noop()
-#define git_cond_free(c)	git__noop()
-#define git_cond_wait(c, l)	git__noop()
-#define git_cond_signal(c)	git__noop()
-#define git_cond_broadcast(c)	git__noop()
-
-/* Pthreads rwlock */
-#define git_rwlock unsigned int
-#define git_rwlock_init(a)	git__noop()
-#define git_rwlock_rdlock(a)	git__noop()
-#define git_rwlock_rdunlock(a)	git__noop()
-#define git_rwlock_wrlock(a)	git__noop()
-#define git_rwlock_wrunlock(a)	git__noop()
-#define git_rwlock_free(a)	git__noop()
-#define GIT_RWLOCK_STATIC_INIT	0
-
-
-GIT_INLINE(void) git_atomic32_set(git_atomic32 *a, int val)
-{
-	a->val = val;
-}
-
-GIT_INLINE(int) git_atomic32_inc(git_atomic32 *a)
-{
-	return ++a->val;
-}
-
-GIT_INLINE(int) git_atomic32_add(git_atomic32 *a, int32_t addend)
-{
-	a->val += addend;
-	return a->val;
-}
-
-GIT_INLINE(int) git_atomic32_dec(git_atomic32 *a)
-{
-	return --a->val;
-}
-
-GIT_INLINE(int) git_atomic32_get(git_atomic32 *a)
-{
-	return (int)a->val;
-}
-
-GIT_INLINE(void *) git_atomic__compare_and_swap(
-	void * volatile *ptr, void *oldval, void *newval)
-{
-	if (*ptr == oldval)
-		*ptr = newval;
-	else
-		oldval = newval;
-	return oldval;
-}
-
-GIT_INLINE(volatile void *) git_atomic__swap(
-	void * volatile *ptr, void *newval)
-{
-	volatile void *old = *ptr;
-	*ptr = newval;
-	return old;
-}
-
-GIT_INLINE(volatile void *) git_atomic__load(void * volatile *ptr)
-{
-	return *ptr;
-}
-
-#ifdef GIT_ARCH_64
-
-GIT_INLINE(int64_t) git_atomic64_add(git_atomic64 *a, int64_t addend)
-{
-	a->val += addend;
-	return a->val;
-}
-
-GIT_INLINE(void) git_atomic64_set(git_atomic64 *a, int64_t val)
-{
-	a->val = val;
-}
-
-GIT_INLINE(int64_t) git_atomic64_get(git_atomic64 *a)
-{
-	return (int64_t)a->val;
-}
-
-#endif
-
-#endif
-
-/* Atomically replace oldval with newval
- * @return oldval if it was replaced or newval if it was not
- */
-#define git_atomic_compare_and_swap(P,O,N) \
-	git_atomic__compare_and_swap((void * volatile *)P, O, N)
-
-#define git_atomic_swap(ptr, val) \
-	(void *)git_atomic__swap((void * volatile *)&ptr, val)
-
-#define git_atomic_load(ptr) \
-	(void *)git_atomic__load((void * volatile *)&ptr)
-
-#if defined(GIT_THREADS)
-
-# if defined(GIT_WIN32)
-#  define GIT_MEMORY_BARRIER MemoryBarrier()
-# elif defined(GIT_BUILTIN_ATOMIC)
-#  define GIT_MEMORY_BARRIER __atomic_thread_fence(__ATOMIC_SEQ_CST)
-# elif defined(GIT_BUILTIN_SYNC)
-#  define GIT_MEMORY_BARRIER __sync_synchronize()
-# endif
-
-#else
-
-# define GIT_MEMORY_BARRIER /* noop */
-
-#endif
-
-#endif
diff --git a/src/thread.h b/src/thread.h
new file mode 100644
index 0000000..561e6ec
--- /dev/null
+++ b/src/thread.h
@@ -0,0 +1,370 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_thread_h__
+#define INCLUDE_thread_h__
+
+#if defined(GIT_THREADS)
+
+#if defined(__clang__)
+
+# if (__clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 1))
+#  error Atomic primitives do not exist on this version of clang; configure libgit2 with -DTHREADSAFE=OFF
+# else
+#  define GIT_BUILTIN_ATOMIC
+# endif
+
+#elif defined(__GNUC__)
+
+# if (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1))
+#  error Atomic primitives do not exist on this version of gcc; configure libgit2 with -DTHREADSAFE=OFF
+# elif (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))
+#  define GIT_BUILTIN_ATOMIC
+# else
+#  define GIT_BUILTIN_SYNC
+# endif
+
+#endif
+
+#endif /* GIT_THREADS */
+
+/* Common operations even if threading has been disabled */
+typedef struct {
+#if defined(GIT_WIN32)
+	volatile long val;
+#else
+	volatile int val;
+#endif
+} git_atomic32;
+
+#ifdef GIT_ARCH_64
+
+typedef struct {
+#if defined(GIT_WIN32)
+	volatile __int64 val;
+#else
+	volatile int64_t val;
+#endif
+} git_atomic64;
+
+typedef git_atomic64 git_atomic_ssize;
+
+#define git_atomic_ssize_set git_atomic64_set
+#define git_atomic_ssize_add git_atomic64_add
+#define git_atomic_ssize_get git_atomic64_get
+
+#else
+
+typedef git_atomic32 git_atomic_ssize;
+
+#define git_atomic_ssize_set git_atomic32_set
+#define git_atomic_ssize_add git_atomic32_add
+#define git_atomic_ssize_get git_atomic32_get
+
+#endif
+
+#ifdef GIT_THREADS
+
+#ifdef GIT_WIN32
+#   include "win32/thread.h"
+#else
+#   include "unix/pthread.h"
+#endif
+
+GIT_INLINE(void) git_atomic32_set(git_atomic32 *a, int val)
+{
+#if defined(GIT_WIN32)
+	InterlockedExchange(&a->val, (LONG)val);
+#elif defined(GIT_BUILTIN_ATOMIC)
+	__atomic_store_n(&a->val, val, __ATOMIC_SEQ_CST);
+#elif defined(GIT_BUILTIN_SYNC)
+	__sync_lock_test_and_set(&a->val, val);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+GIT_INLINE(int) git_atomic32_inc(git_atomic32 *a)
+{
+#if defined(GIT_WIN32)
+	return InterlockedIncrement(&a->val);
+#elif defined(GIT_BUILTIN_ATOMIC)
+	return __atomic_add_fetch(&a->val, 1, __ATOMIC_SEQ_CST);
+#elif defined(GIT_BUILTIN_SYNC)
+	return __sync_add_and_fetch(&a->val, 1);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+GIT_INLINE(int) git_atomic32_add(git_atomic32 *a, int32_t addend)
+{
+#if defined(GIT_WIN32)
+	return InterlockedExchangeAdd(&a->val, addend);
+#elif defined(GIT_BUILTIN_ATOMIC)
+	return __atomic_add_fetch(&a->val, addend, __ATOMIC_SEQ_CST);
+#elif defined(GIT_BUILTIN_SYNC)
+	return __sync_add_and_fetch(&a->val, addend);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+GIT_INLINE(int) git_atomic32_dec(git_atomic32 *a)
+{
+#if defined(GIT_WIN32)
+	return InterlockedDecrement(&a->val);
+#elif defined(GIT_BUILTIN_ATOMIC)
+	return __atomic_sub_fetch(&a->val, 1, __ATOMIC_SEQ_CST);
+#elif defined(GIT_BUILTIN_SYNC)
+	return __sync_sub_and_fetch(&a->val, 1);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+GIT_INLINE(int) git_atomic32_get(git_atomic32 *a)
+{
+#if defined(GIT_WIN32)
+	return (int)InterlockedCompareExchange(&a->val, 0, 0);
+#elif defined(GIT_BUILTIN_ATOMIC)
+	return __atomic_load_n(&a->val, __ATOMIC_SEQ_CST);
+#elif defined(GIT_BUILTIN_SYNC)
+	return __sync_val_compare_and_swap(&a->val, 0, 0);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+GIT_INLINE(void *) git_atomic__compare_and_swap(
+	void * volatile *ptr, void *oldval, void *newval)
+{
+#if defined(GIT_WIN32)
+	volatile void *foundval;
+	foundval = InterlockedCompareExchangePointer((volatile PVOID *)ptr, newval, oldval);
+	return (foundval == oldval) ? oldval : newval;
+#elif defined(GIT_BUILTIN_ATOMIC)
+	bool success = __atomic_compare_exchange(ptr, &oldval, &newval, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
+	return success ? oldval : newval;
+#elif defined(GIT_BUILTIN_SYNC)
+	volatile void *foundval;
+	foundval = __sync_val_compare_and_swap(ptr, oldval, newval);
+	return (foundval == oldval) ? oldval : newval;
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+GIT_INLINE(volatile void *) git_atomic__swap(
+	void * volatile *ptr, void *newval)
+{
+#if defined(GIT_WIN32)
+	return InterlockedExchangePointer(ptr, newval);
+#elif defined(GIT_BUILTIN_ATOMIC)
+	void * volatile foundval;
+	__atomic_exchange(ptr, &newval, &foundval, __ATOMIC_SEQ_CST);
+	return foundval;
+#elif defined(GIT_BUILTIN_SYNC)
+	return __sync_lock_test_and_set(ptr, newval);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+GIT_INLINE(volatile void *) git_atomic__load(void * volatile *ptr)
+{
+#if defined(GIT_WIN32)
+	void *newval = NULL, *oldval = NULL;
+	volatile void *foundval = NULL;
+	foundval = InterlockedCompareExchangePointer((volatile PVOID *)ptr, newval, oldval);
+	return foundval;
+#elif defined(GIT_BUILTIN_ATOMIC)
+	return (volatile void *)__atomic_load_n(ptr, __ATOMIC_SEQ_CST);
+#elif defined(GIT_BUILTIN_SYNC)
+	return (volatile void *)__sync_val_compare_and_swap(ptr, 0, 0);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+#ifdef GIT_ARCH_64
+
+GIT_INLINE(int64_t) git_atomic64_add(git_atomic64 *a, int64_t addend)
+{
+#if defined(GIT_WIN32)
+	return InterlockedExchangeAdd64(&a->val, addend);
+#elif defined(GIT_BUILTIN_ATOMIC)
+	return __atomic_add_fetch(&a->val, addend, __ATOMIC_SEQ_CST);
+#elif defined(GIT_BUILTIN_SYNC)
+	return __sync_add_and_fetch(&a->val, addend);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+GIT_INLINE(void) git_atomic64_set(git_atomic64 *a, int64_t val)
+{
+#if defined(GIT_WIN32)
+	InterlockedExchange64(&a->val, val);
+#elif defined(GIT_BUILTIN_ATOMIC)
+	__atomic_store_n(&a->val, val, __ATOMIC_SEQ_CST);
+#elif defined(GIT_BUILTIN_SYNC)
+	__sync_lock_test_and_set(&a->val, val);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+GIT_INLINE(int64_t) git_atomic64_get(git_atomic64 *a)
+{
+#if defined(GIT_WIN32)
+	return (int64_t)InterlockedCompareExchange64(&a->val, 0, 0);
+#elif defined(GIT_BUILTIN_ATOMIC)
+	return __atomic_load_n(&a->val, __ATOMIC_SEQ_CST);
+#elif defined(GIT_BUILTIN_SYNC)
+	return __sync_val_compare_and_swap(&a->val, 0, 0);
+#else
+#	error "Unsupported architecture for atomic operations"
+#endif
+}
+
+#endif
+
+#else
+
+#define git_threads_global_init git__noop
+
+#define git_thread unsigned int
+#define git_thread_create(thread, start_routine, arg) git__noop()
+#define git_thread_join(id, status) git__noop()
+
+/* Pthreads Mutex */
+#define git_mutex unsigned int
+#define git_mutex_init(a)	git__noop()
+#define git_mutex_init(a)	git__noop()
+#define git_mutex_lock(a)	git__noop()
+#define git_mutex_unlock(a)	git__noop()
+#define git_mutex_free(a)	git__noop()
+
+/* Pthreads condition vars */
+#define git_cond unsigned int
+#define git_cond_init(c)	git__noop()
+#define git_cond_free(c)	git__noop()
+#define git_cond_wait(c, l)	git__noop()
+#define git_cond_signal(c)	git__noop()
+#define git_cond_broadcast(c)	git__noop()
+
+/* Pthreads rwlock */
+#define git_rwlock unsigned int
+#define git_rwlock_init(a)	git__noop()
+#define git_rwlock_rdlock(a)	git__noop()
+#define git_rwlock_rdunlock(a)	git__noop()
+#define git_rwlock_wrlock(a)	git__noop()
+#define git_rwlock_wrunlock(a)	git__noop()
+#define git_rwlock_free(a)	git__noop()
+#define GIT_RWLOCK_STATIC_INIT	0
+
+
+GIT_INLINE(void) git_atomic32_set(git_atomic32 *a, int val)
+{
+	a->val = val;
+}
+
+GIT_INLINE(int) git_atomic32_inc(git_atomic32 *a)
+{
+	return ++a->val;
+}
+
+GIT_INLINE(int) git_atomic32_add(git_atomic32 *a, int32_t addend)
+{
+	a->val += addend;
+	return a->val;
+}
+
+GIT_INLINE(int) git_atomic32_dec(git_atomic32 *a)
+{
+	return --a->val;
+}
+
+GIT_INLINE(int) git_atomic32_get(git_atomic32 *a)
+{
+	return (int)a->val;
+}
+
+GIT_INLINE(void *) git_atomic__compare_and_swap(
+	void * volatile *ptr, void *oldval, void *newval)
+{
+	if (*ptr == oldval)
+		*ptr = newval;
+	else
+		oldval = newval;
+	return oldval;
+}
+
+GIT_INLINE(volatile void *) git_atomic__swap(
+	void * volatile *ptr, void *newval)
+{
+	volatile void *old = *ptr;
+	*ptr = newval;
+	return old;
+}
+
+GIT_INLINE(volatile void *) git_atomic__load(void * volatile *ptr)
+{
+	return *ptr;
+}
+
+#ifdef GIT_ARCH_64
+
+GIT_INLINE(int64_t) git_atomic64_add(git_atomic64 *a, int64_t addend)
+{
+	a->val += addend;
+	return a->val;
+}
+
+GIT_INLINE(void) git_atomic64_set(git_atomic64 *a, int64_t val)
+{
+	a->val = val;
+}
+
+GIT_INLINE(int64_t) git_atomic64_get(git_atomic64 *a)
+{
+	return (int64_t)a->val;
+}
+
+#endif
+
+#endif
+
+/* Atomically replace oldval with newval
+ * @return oldval if it was replaced or newval if it was not
+ */
+#define git_atomic_compare_and_swap(P,O,N) \
+	git_atomic__compare_and_swap((void * volatile *)P, O, N)
+
+#define git_atomic_swap(ptr, val) \
+	(void *)git_atomic__swap((void * volatile *)&ptr, val)
+
+#define git_atomic_load(ptr) \
+	(void *)git_atomic__load((void * volatile *)&ptr)
+
+#if defined(GIT_THREADS)
+
+# if defined(GIT_WIN32)
+#  define GIT_MEMORY_BARRIER MemoryBarrier()
+# elif defined(GIT_BUILTIN_ATOMIC)
+#  define GIT_MEMORY_BARRIER __atomic_thread_fence(__ATOMIC_SEQ_CST)
+# elif defined(GIT_BUILTIN_SYNC)
+#  define GIT_MEMORY_BARRIER __sync_synchronize()
+# endif
+
+#else
+
+# define GIT_MEMORY_BARRIER /* noop */
+
+#endif
+
+#endif
diff --git a/src/util.h b/src/util.h
index b8ea68c..5076df2 100644
--- a/src/util.h
+++ b/src/util.h
@@ -18,7 +18,7 @@
 #include "buffer.h"
 #include "common.h"
 #include "strnlen.h"
-#include "thread-utils.h"
+#include "thread.h"
 
 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
 #define bitsizeof(x) (CHAR_BIT * sizeof(x))
diff --git a/tests/threads/thread_helpers.h b/tests/threads/thread_helpers.h
index 3c13cfb..0f23a4c 100644
--- a/tests/threads/thread_helpers.h
+++ b/tests/threads/thread_helpers.h
@@ -1,4 +1,4 @@
-#include "thread-utils.h"
+#include "thread.h"
 
 void run_in_parallel(
 	int repeats,