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-rw-r--r--CMakeLists.txt4
-rw-r--r--source/kit/CMakeLists.txt7
-rw-r--r--source/kit/atomic.c42
-rw-r--r--source/kit/atomic.h59
-rw-r--r--source/kit/thread.c45
-rw-r--r--source/kit/thread.h23
-rw-r--r--source/test/unittests/CMakeLists.txt5
-rw-r--r--source/test/unittests/atomic.test.c26
-rw-r--r--source/test/unittests/thread.test.c18
9 files changed, 224 insertions, 5 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ec04fb..6903439 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,10 +50,12 @@ endif()
enable_testing()
if(KIT_ENABLE_TESTING)
+ find_package(Threads REQUIRED)
+
add_executable(${KIT_TEST_SUITE})
add_executable(${KIT_PROJECT}::${KIT_TEST_SUITE} ALIAS ${KIT_TEST_SUITE})
target_compile_features(${KIT_TEST_SUITE} PRIVATE c_std_11)
- target_link_libraries(${KIT_TEST_SUITE} PRIVATE ${KIT_LIBRARY} ${KIT_TEST_LIBRARY})
+ target_link_libraries(${KIT_TEST_SUITE} PRIVATE ${KIT_LIBRARY} ${KIT_TEST_LIBRARY} Threads::Threads)
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
target_compile_options(
diff --git a/source/kit/CMakeLists.txt b/source/kit/CMakeLists.txt
index c7bb204..21cfd1e 100644
--- a/source/kit/CMakeLists.txt
+++ b/source/kit/CMakeLists.txt
@@ -1,11 +1,14 @@
target_sources(
${KIT_LIBRARY}
PRIVATE
- input_buffer.c input_stream.c lower_bound.c string_ref.c
- async_function.c allocator.c array_ref.c dynamic_array.c
+ atomic.c input_buffer.c input_stream.c lower_bound.c
+ thread.c string_ref.c async_function.c allocator.c array_ref.c
+ dynamic_array.c
PUBLIC
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/atomic.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/allocator.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/string_ref.h>
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/thread.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/dynamic_array.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/async_function.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/input_stream.h>
diff --git a/source/kit/atomic.c b/source/kit/atomic.c
new file mode 100644
index 0000000..4321700
--- /dev/null
+++ b/source/kit/atomic.c
@@ -0,0 +1,42 @@
+#include "atomic.h"
+
+#ifdef _MSC_VEC
+# include <intrin.h>
+
+# ifdef _WIN64
+# pragma intrinsic(_InterlockedExchange64)
+# pragma intrinsic(_InterlockedExchangeAdd64)
+
+# define InterlockedExchange_ _InterlockedExchange64
+# define InterlockedExchangeAdd_ _InterlockedExchangeAdd64
+# else
+# pragma intrinsic(_InterlockedExchange32)
+# pragma intrinsic(_InterlockedExchangeAdd32)
+
+# define InterlockedExchange_ _InterlockedExchange32
+# define InterlockedExchangeAdd_ _InterlockedExchangeAdd32
+# endif
+
+void kit_atomic_store_explicit(volatile KIT_ATOMIC_VAR *var,
+ KIT_ATOMIC_VAR value,
+ int memory_order) {
+ InterlockedExchange_(var, value);
+}
+
+KIT_ATOMIC_VAR kit_atomic_load_explicit(volatile KIT_ATOMIC_VAR *var,
+ int memory_order) {
+ return *var;
+}
+
+KIT_ATOMIC_VAR kit_atomic_fetch_add_explicit(
+ volatile KIT_ATOMIC_VAR *var, KIT_ATOMIC_VAR value,
+ int memory_order) {
+ return InterlockedExchangeAdd_(var, value);
+}
+
+KIT_ATOMIC_VAR kit_atomic_exchange_explicit(
+ volatile KIT_ATOMIC_VAR *var, KIT_ATOMIC_VAR value,
+ int memory_order) {
+ return InterlockedExchange_(var, value);
+}
+#endif
diff --git a/source/kit/atomic.h b/source/kit/atomic.h
new file mode 100644
index 0000000..b9242c2
--- /dev/null
+++ b/source/kit/atomic.h
@@ -0,0 +1,59 @@
+#ifndef KIT_ATOMIC_H
+#define KIT_ATOMIC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+#ifndef _MSC_VER
+# include <stdatomic.h>
+
+# define KIT_ATOMIC(type_) _Atomic type_
+#else
+enum {
+ memory_order_relaxed,
+ memory_order_consume,
+ memory_order_acquire,
+ memory_order_release,
+ memory_order_acq_rel,
+ memory_order_seq_cst
+};
+# ifdef _WIN64
+# define KIT_ATOMIC_VAR uint64_t
+# else
+# define KIT_ATOMIC_VAR volatile uint32_t
+# endif
+# define KIT_ATOMIC(type_) volatile KIT_ATOMIC_VAR
+
+void kit_atomic_store_explicit(volatile KIT_ATOMIC_VAR *var,
+ KIT_ATOMIC_VAR value,
+ int memory_order);
+
+KIT_ATOMIC_VAR kit_atomic_load_explicit(volatile KIT_ATOMIC_VAR *var,
+ int memory_order);
+
+KIT_ATOMIC_VAR kit_atomic_fetch_add_explicit(
+ volatile KIT_ATOMIC_VAR *var, KIT_ATOMIC_VAR value,
+ int memory_order);
+
+KIT_ATOMIC_VAR kit_atomic_exchange_explicit(
+ volatile KIT_ATOMIC_VAR *var, KIT_ATOMIC_VAR value,
+ int memory_order);
+
+# define atomic_store_explicit kit_atomic_store_explicit
+# define atomic_load_explicit kit_atomic_load_explicit
+# define atomic_fetch_add_explicit kit_atomic_fetch_add_explicit
+# define atomic_exchange_explicit kit_atomic_exchange_explicit
+#endif
+
+#ifndef KIT_DISABLE_SHORT_NAMES
+# define ATOMIC KIT_ATOMIC
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/source/kit/thread.c b/source/kit/thread.c
new file mode 100644
index 0000000..71437eb
--- /dev/null
+++ b/source/kit/thread.c
@@ -0,0 +1,45 @@
+#include "thread.h"
+
+#ifdef _MSC_VER
+# include "atomic.h"
+
+# include <process.h>
+# include <stdlib.h>
+
+typedef struct {
+ HANDLE thread;
+ kit_thread_routine routine;
+ void *user_data;
+ void *return_value;
+} thread_data;
+
+DWORD __stdcall run_thread_(void *p) {
+ thread_data *data = (thread_data *) p;
+ data->return_value = data->routine(data->user_data);
+}
+
+int pthread_create(pthread_t *new_thread, void *attrs,
+ void *(*routine)(void *), void *user_data) {
+ thread_data *data = (thread_data *) malloc(sizeof(thread_data));
+ if (data == NULL)
+ return -1;
+ data->routine = routine;
+ data->user_data = user_data;
+ data->thread = CreateThread(NULL, 0, run_thread_, data, 0, NULL);
+ if (data->thread == NULL)
+ return -1;
+ if (new_thread != NULL)
+ *new_thread = data;
+ return 0;
+}
+
+void *pthread_join(pthread_t thread, void *return_value) {
+ thread_data *data = (thread_data *) thread;
+ if (data == NULL || data->thread == NULL)
+ return (void *) 0;
+ WaitForSingleObject(data->thread, INFINITE);
+ void *return_value = data->return_value;
+ free(data);
+ return return_value;
+}
+#endif
diff --git a/source/kit/thread.h b/source/kit/thread.h
new file mode 100644
index 0000000..a1138ae
--- /dev/null
+++ b/source/kit/thread.h
@@ -0,0 +1,23 @@
+#ifndef KIT_THREAD_H
+#define KIT_THREAD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef _MSC_VER
+# include "pthread.h"
+#else
+typedef void *pthread_t;
+
+int pthread_create(pthread_t *new_thread, void *attrs,
+ void *(*routine)(void *), void *user_data);
+
+void *pthread_join(pthread_t thread, void *return_value);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/source/test/unittests/CMakeLists.txt b/source/test/unittests/CMakeLists.txt
index 674f442..853d896 100644
--- a/source/test/unittests/CMakeLists.txt
+++ b/source/test/unittests/CMakeLists.txt
@@ -2,5 +2,6 @@ target_sources(
${KIT_TEST_SUITE}
PRIVATE
async_function.test.c test_duration.test.c main.test.c
- string_ref.test.c array_ref.test.c input_stream.test.c lower_bound.test.c
- input_buffer.test.c dynamic_array.test.c)
+ string_ref.test.c atomic.test.c thread.test.c array_ref.test.c
+ input_stream.test.c lower_bound.test.c input_buffer.test.c
+ dynamic_array.test.c)
diff --git a/source/test/unittests/atomic.test.c b/source/test/unittests/atomic.test.c
new file mode 100644
index 0000000..9f1a10b
--- /dev/null
+++ b/source/test/unittests/atomic.test.c
@@ -0,0 +1,26 @@
+#include "../../kit/atomic.h"
+
+#define KIT_TEST_FILE atomic
+#include "../../kit_test/test.h"
+
+TEST("atomic store and load") {
+ ATOMIC(int) value;
+ atomic_store_explicit(&value, 20, memory_order_relaxed);
+ REQUIRE(atomic_load_explicit(&value, memory_order_relaxed) == 20);
+}
+
+TEST("atomic exchange") {
+ ATOMIC(int) value;
+ atomic_store_explicit(&value, 20, memory_order_relaxed);
+ REQUIRE(atomic_exchange_explicit(&value, 42,
+ memory_order_relaxed) == 20);
+ REQUIRE(atomic_load_explicit(&value, memory_order_relaxed) == 42);
+}
+
+TEST("atomic fetch add") {
+ ATOMIC(int) value;
+ atomic_store_explicit(&value, 20, memory_order_relaxed);
+ REQUIRE(atomic_fetch_add_explicit(&value, 22,
+ memory_order_relaxed) == 20);
+ REQUIRE(atomic_load_explicit(&value, memory_order_relaxed) == 42);
+}
diff --git a/source/test/unittests/thread.test.c b/source/test/unittests/thread.test.c
new file mode 100644
index 0000000..fed564b
--- /dev/null
+++ b/source/test/unittests/thread.test.c
@@ -0,0 +1,18 @@
+#include "../../kit/thread.h"
+
+#define KIT_TEST_FILE thread
+#include "../../kit_test/test.h"
+
+static void *test_thread_fn(void *data) {
+ ptrdiff_t *value = (ptrdiff_t *) data;
+ return (void *) (*value + 20);
+}
+
+TEST("run thread") {
+ pthread_t t;
+ ptrdiff_t value = 22;
+ pthread_create(&t, NULL, test_thread_fn, &value);
+ void *result;
+ pthread_join(t, &result);
+ REQUIRE((ptrdiff_t) result == 42);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 01:29:52 +0000