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-rw-r--r--source/kit/CMakeLists.txt10
-rw-r--r--source/kit/atomic.h160
-rw-r--r--source/kit/atomic.win32.c (renamed from source/kit/atomic.c)0
-rw-r--r--source/kit/condition_variable.c1
-rw-r--r--source/kit/condition_variable.h6
-rw-r--r--source/kit/mutex.c1
-rw-r--r--source/kit/mutex.h6
-rw-r--r--source/test/unittests/atomic.test.c159
-rw-r--r--source/test/unittests/condition_variable.test.c2
-rw-r--r--source/test/unittests/mutex.test.c34
10 files changed, 334 insertions, 45 deletions
diff --git a/source/kit/CMakeLists.txt b/source/kit/CMakeLists.txt
index a8aaf02..7bc3ba5 100644
--- a/source/kit/CMakeLists.txt
+++ b/source/kit/CMakeLists.txt
@@ -1,17 +1,19 @@
target_sources(
${KIT_LIBRARY}
PRIVATE
- atomic.c input_buffer.c threads.win32.c time.c
- threads.posix.c move_back.c input_stream.c lower_bound.c string_ref.c
- async_function.c allocator.c array_ref.c dynamic_array.c
- mersenne_twister_64.c
+ input_buffer.c threads.win32.c time.c atomic.win32.c
+ threads.posix.c condition_variable.c move_back.c input_stream.c
+ lower_bound.c string_ref.c async_function.c allocator.c array_ref.c
+ dynamic_array.c mutex.c mersenne_twister_64.c
PUBLIC
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/mutex.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/time.h>
$<BUILD_INTERFACE:${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}/threads.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/dynamic_array.h>
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/condition_variable.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/async_function.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/move_back.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/input_stream.h>
diff --git a/source/kit/atomic.h b/source/kit/atomic.h
index 4b3e720..5763808 100644
--- a/source/kit/atomic.h
+++ b/source/kit/atomic.h
@@ -9,7 +9,6 @@ extern "C" {
#ifndef _MSC_VER
# include <stdatomic.h>
-
# define KIT_ATOMIC(type_) _Atomic type_
#else
enum {
@@ -20,32 +19,147 @@ enum {
memory_order_acq_rel,
memory_order_seq_cst
};
-# ifdef _WIN64
-# define KIT_ATOMIC_VAR int64_t
-# else
-# define KIT_ATOMIC_VAR int32_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,
+# define KIT_ATOMIC(type_) volatile type_
+
+void kit_atomic_store_explicit_8(volatile uint8_t *var, uint8_t value,
+ int memory_order);
+
+void kit_atomic_store_explicit_16(volatile uint16_t *var,
+ uint16_t value, int memory_order);
+
+void kit_atomic_store_explicit_32(volatile uint32_t *var,
+ uint32_t value, int memory_order);
+
+void kit_atomic_store_explicit_64(volatile uint64_t *var,
+ uint64_t value, int memory_order);
+
+uint8_t kit_atomic_load_explicit_8(volatile uint8_t *var,
+ int memory_order);
+
+uint16_t kit_atomic_load_explicit_16(volatile uint16_t *var,
+ int memory_order);
+
+uint32_t kit_atomic_load_explicit_32(volatile uint32_t *var,
+ int memory_order);
+
+uint64_t kit_atomic_load_explicit_64(volatile uint64_t *var,
+ int memory_order);
+
+uint8_t kit_atomic_exchange_explicit_8(volatile uint8_t *var,
+ uint8_t value,
+ int memory_order);
+
+uint16_t kit_atomic_exchange_explicit_16(volatile uint16_t *var,
+ uint16_t value,
+ int memory_order);
+
+uint32_t kit_atomic_exchange_explicit_32(volatile uint32_t *var,
+ uint32_t value,
+ int memory_order);
+
+uint64_t kit_atomic_exchange_explicit_64(volatile uint64_t *var,
+ uint64_t value,
+ int memory_order);
+
+uint8_t kit_atomic_fetch_add_explicit_8(volatile uint8_t *var,
+ uint8_t value,
int memory_order);
-KIT_ATOMIC_VAR kit_atomic_fetch_add_explicit(
- volatile KIT_ATOMIC_VAR *var, KIT_ATOMIC_VAR value,
- int memory_order);
+uint16_t kit_atomic_fetch_add_explicit_16(volatile uint16_t *var,
+ uint16_t value,
+ int memory_order);
+
+uint32_t kit_atomic_fetch_add_explicit_32(volatile uint32_t *var,
+ uint32_t value,
+ int memory_order);
+
+uint64_t kit_atomic_fetch_add_explicit_64(volatile uint64_t *var,
+ uint64_t value,
+ int memory_order);
+
+# define atomic_store_explicit(var_, value_, memory_order_) \
+ do { \
+ static_assert(sizeof *(var_) == 1 || sizeof *(var_) == 2 || \
+ sizeof *(var_) == 3 || sizeof *(var_) == 4, \
+ "Wrong atomic variable type"); \
+ static_assert(sizeof(value_) <= sizeof *(var_), \
+ "Wrong value type"); \
+ if (sizeof *(var_) == 1) \
+ kit_atomic_store_explicit_8((volatile uint8_t *) (var_), \
+ (uint8_t) (value_), \
+ (memory_order_)); \
+ if (sizeof *(var_) == 2) \
+ kit_atomic_store_explicit_16((volatile uint16_t *) (var_), \
+ (uint16_t) (value_), \
+ (memory_order_)); \
+ if (sizeof *(var_) == 4) \
+ kit_atomic_store_explicit_32((volatile uint32_t *) (var_), \
+ (uint32_t) (value_), \
+ (memory_order_)); \
+ if (sizeof *(var_) == 8) \
+ kit_atomic_store_explicit_64((volatile uint64_t *) (var_), \
+ (uint64_t) (value_), \
+ (memory_order_)); \
+ } while (0)
+
+# define atomic_load_explicit(var_, memory_order_) \
+ (static_assert(sizeof *(var_) == 1 || sizeof *(var_) == 2 || \
+ sizeof *(var_) == 3 || sizeof *(var_) == 4, \
+ "Wrong atomic variable type"), \
+ (sizeof *(var_) == 1 \
+ ? kit_atomic_load_explicit_8((volatile uint8_t *) (var_), \
+ (value_), (memory_order_)) \
+ : sizeof *(var_) == 2 ? kit_atomic_load_explicit_16( \
+ (volatile uint16_t *) (var_), \
+ (value_), (memory_order_)) \
+ : sizeof *(var_) == 4 ? kit_atomic_load_explicit_32( \
+ (volatile uint32_t *) (var_), \
+ (value_), (memory_order_)) \
+ : kit_atomic_load_explicit_64( \
+ (volatile uint64_t *) (var_), \
+ (value_), (memory_order_))))
-KIT_ATOMIC_VAR kit_atomic_exchange_explicit(
- volatile KIT_ATOMIC_VAR *var, KIT_ATOMIC_VAR value,
- int memory_order);
+# define atomic_exchange_explicit(var_, value_, memory_order_) \
+ (static_assert(sizeof *(var_) == 1 || sizeof *(var_) == 2 || \
+ sizeof *(var_) == 3 || sizeof *(var_) == 4, \
+ "Wrong atomic variable type"), \
+ static_assert(sizeof(value_) <= sizeof *(var_), \
+ "Wrong value type"), \
+ (sizeof *(var_) == 1 ? kit_atomic_exchange_explicit_8( \
+ (volatile uint8_t *) (var_), \
+ (uint8_t) (value_), (memory_order_)) \
+ : sizeof *(var_) == 2 \
+ ? kit_atomic_exchange_explicit_16( \
+ (volatile uint16_t *) (var_), (uint16_t) (value_), \
+ (memory_order_)) \
+ : sizeof *(var_) == 4 \
+ ? kit_atomic_exchange_explicit_32( \
+ (volatile uint32_t *) (var_), (uint32_t) (value_), \
+ (memory_order_)) \
+ : kit_atomic_exchange_explicit_64( \
+ (volatile uint64_t *) (var_), (uint64_t) (value_), \
+ (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
+# define atomic_fetch_add_explicit(var_, value_, memory_order_) \
+ (static_assert(sizeof *(var_) == 1 || sizeof *(var_) == 2 || \
+ sizeof *(var_) == 3 || sizeof *(var_) == 4, \
+ "Wrong atomic variable type"), \
+ static_assert(sizeof(value_) <= sizeof *(var_), \
+ "Wrong value type"), \
+ (sizeof *(var_) == 1 ? kit_atomic_fetch_add_explicit_8( \
+ (volatile uint8_t *) (var_), \
+ (uint8_t) (value_), (memory_order_)) \
+ : sizeof *(var_) == 2 \
+ ? kit_atomic_fetch_add_explicit_16( \
+ (volatile uint16_t *) (var_), (uint16_t) (value_), \
+ (memory_order_)) \
+ : sizeof *(var_) == 4 \
+ ? kit_atomic_fetch_add_explicit_32( \
+ (volatile uint32_t *) (var_), (uint32_t) (value_), \
+ (memory_order_)) \
+ : kit_atomic_fetch_add_explicit_64( \
+ (volatile uint64_t *) (var_), (uint64_t) (value_), \
+ (memory_order_))))
#endif
#ifndef KIT_DISABLE_SHORT_NAMES
diff --git a/source/kit/atomic.c b/source/kit/atomic.win32.c
index fc5b53d..fc5b53d 100644
--- a/source/kit/atomic.c
+++ b/source/kit/atomic.win32.c
diff --git a/source/kit/condition_variable.c b/source/kit/condition_variable.c
new file mode 100644
index 0000000..b18e402
--- /dev/null
+++ b/source/kit/condition_variable.c
@@ -0,0 +1 @@
+#include "condition_variable.h"
diff --git a/source/kit/condition_variable.h b/source/kit/condition_variable.h
new file mode 100644
index 0000000..dd3b891
--- /dev/null
+++ b/source/kit/condition_variable.h
@@ -0,0 +1,6 @@
+#ifndef KIT_CONDITION_VARIABLE_H
+#define KIT_CONDITION_VARIABLE_H
+
+#include "threads.h"
+
+#endif
diff --git a/source/kit/mutex.c b/source/kit/mutex.c
new file mode 100644
index 0000000..320d4c7
--- /dev/null
+++ b/source/kit/mutex.c
@@ -0,0 +1 @@
+#include "mutex.h"
diff --git a/source/kit/mutex.h b/source/kit/mutex.h
new file mode 100644
index 0000000..0b7c548
--- /dev/null
+++ b/source/kit/mutex.h
@@ -0,0 +1,6 @@
+#ifndef KIT_MUTEX_H
+#define KIT_MUTEX_H
+
+#include "threads.h"
+
+#endif
diff --git a/source/test/unittests/atomic.test.c b/source/test/unittests/atomic.test.c
index 9f1a10b..8f6d22b 100644
--- a/source/test/unittests/atomic.test.c
+++ b/source/test/unittests/atomic.test.c
@@ -1,4 +1,5 @@
#include "../../kit/atomic.h"
+#include "../../kit/threads.h"
#define KIT_TEST_FILE atomic
#include "../../kit_test/test.h"
@@ -24,3 +25,161 @@ TEST("atomic fetch add") {
memory_order_relaxed) == 20);
REQUIRE(atomic_load_explicit(&value, memory_order_relaxed) == 42);
}
+
+enum { THREAD_COUNT = 20, TICK_COUNT = 10000 };
+
+static int test_8_(void *p) {
+ ATOMIC(int8_t) *x = (ATOMIC(int8_t) *) p;
+
+ for (ptrdiff_t i = 0; i < TICK_COUNT; i++) {
+ atomic_fetch_add_explicit(x, 20, memory_order_relaxed);
+ thrd_yield();
+ atomic_fetch_add_explicit(x, 22, memory_order_relaxed);
+ thrd_yield();
+ atomic_fetch_add_explicit(x, -42, memory_order_relaxed);
+ thrd_yield();
+ }
+}
+
+TEST("atomic types") {
+ ATOMIC(int8_t) byte;
+ ATOMIC(int16_t) i16;
+ ATOMIC(int32_t) i32;
+ ATOMIC(int64_t) i64;
+
+ atomic_store_explicit(&byte, 42, memory_order_relaxed);
+ atomic_store_explicit(&i16, 4242, memory_order_relaxed);
+ atomic_store_explicit(&i32, 42424242, memory_order_relaxed);
+ atomic_store_explicit(&i64, 4242424242424242ll,
+ memory_order_relaxed);
+
+ atomic_fetch_add_explicit(&byte, -20, memory_order_relaxed);
+ atomic_fetch_add_explicit(&i16, -2020, memory_order_relaxed);
+ atomic_fetch_add_explicit(&i32, -20202020, memory_order_relaxed);
+ atomic_fetch_add_explicit(&i64, -2020202020202020ll,
+ memory_order_relaxed);
+
+ REQUIRE(atomic_exchange_explicit(&byte, 0, memory_order_relaxed) ==
+ 22);
+ REQUIRE(atomic_exchange_explicit(&i16, 0, memory_order_relaxed) ==
+ 2222);
+ REQUIRE(atomic_exchange_explicit(&i32, 0, memory_order_relaxed) ==
+ 22222222);
+ REQUIRE(atomic_exchange_explicit(&i64, 0, memory_order_relaxed) ==
+ 2222222222222222ll);
+
+ REQUIRE(atomic_load_explicit(&byte, memory_order_relaxed) == 0);
+ REQUIRE(atomic_load_explicit(&i16, memory_order_relaxed) == 0);
+ REQUIRE(atomic_load_explicit(&i32, memory_order_relaxed) == 0);
+ REQUIRE(atomic_load_explicit(&i64, memory_order_relaxed) == 0ll);
+}
+
+TEST("atomic byte concurrency") {
+ ATOMIC(int8_t) foo;
+ ATOMIC(int8_t) bar;
+
+ atomic_store_explicit(&foo, 42, memory_order_relaxed);
+ atomic_store_explicit(&bar, 43, memory_order_relaxed);
+
+ thrd_t threads[THREAD_COUNT];
+ for (ptrdiff_t i = 0; i < THREAD_COUNT; i++)
+ thrd_create(threads + i, test_8_, (i % 2) ? &foo : &bar);
+ for (ptrdiff_t i = 0; i < THREAD_COUNT; i++)
+ thrd_join(threads[i], NULL);
+
+ REQUIRE(atomic_load_explicit(&foo, memory_order_relaxed) == 42);
+ REQUIRE(atomic_load_explicit(&bar, memory_order_relaxed) == 43);
+}
+
+static int test_16_(void *p) {
+ ATOMIC(int16_t) *x = (ATOMIC(int16_t) *) p;
+
+ for (ptrdiff_t i = 0; i < TICK_COUNT; i++) {
+ atomic_fetch_add_explicit(x, 2020, memory_order_relaxed);
+ thrd_yield();
+ atomic_fetch_add_explicit(x, 2222, memory_order_relaxed);
+ thrd_yield();
+ atomic_fetch_add_explicit(x, -4242, memory_order_relaxed);
+ thrd_yield();
+ }
+}
+
+TEST("atomic int16 concurrency") {
+ ATOMIC(int16_t) foo;
+ ATOMIC(int16_t) bar;
+
+ atomic_store_explicit(&foo, 42, memory_order_relaxed);
+ atomic_store_explicit(&bar, 43, memory_order_relaxed);
+
+ thrd_t threads[THREAD_COUNT];
+ for (ptrdiff_t i = 0; i < THREAD_COUNT; i++)
+ thrd_create(threads + i, test_16_, (i % 2) ? &foo : &bar);
+ for (ptrdiff_t i = 0; i < THREAD_COUNT; i++)
+ thrd_join(threads[i], NULL);
+
+ REQUIRE(atomic_load_explicit(&foo, memory_order_relaxed) == 42);
+ REQUIRE(atomic_load_explicit(&bar, memory_order_relaxed) == 43);
+}
+
+static int test_32_(void *p) {
+ ATOMIC(int32_t) *x = (ATOMIC(int32_t) *) p;
+
+ for (ptrdiff_t i = 0; i < TICK_COUNT; i++) {
+ atomic_fetch_add_explicit(x, 202020, memory_order_relaxed);
+ thrd_yield();
+ atomic_fetch_add_explicit(x, 222222, memory_order_relaxed);
+ thrd_yield();
+ atomic_fetch_add_explicit(x, -424242, memory_order_relaxed);
+ thrd_yield();
+ }
+}
+
+TEST("atomic int32 concurrency") {
+ ATOMIC(int32_t) foo;
+ ATOMIC(int32_t) bar;
+
+ atomic_store_explicit(&foo, 42, memory_order_relaxed);
+ atomic_store_explicit(&bar, 43, memory_order_relaxed);
+
+ thrd_t threads[THREAD_COUNT];
+ for (ptrdiff_t i = 0; i < THREAD_COUNT; i++)
+ thrd_create(threads + i, test_32_, (i % 2) ? &foo : &bar);
+ for (ptrdiff_t i = 0; i < THREAD_COUNT; i++)
+ thrd_join(threads[i], NULL);
+
+ REQUIRE(atomic_load_explicit(&foo, memory_order_relaxed) == 42);
+ REQUIRE(atomic_load_explicit(&bar, memory_order_relaxed) == 43);
+}
+
+static int test_64_(void *p) {
+ ATOMIC(int64_t) *x = (ATOMIC(int64_t) *) p;
+
+ for (ptrdiff_t i = 0; i < TICK_COUNT; i++) {
+ atomic_fetch_add_explicit(x, 20202020202020ll,
+ memory_order_relaxed);
+ thrd_yield();
+ atomic_fetch_add_explicit(x, 22222222222222ll,
+ memory_order_relaxed);
+ thrd_yield();
+ atomic_fetch_add_explicit(x, -42424242424242ll,
+ memory_order_relaxed);
+ thrd_yield();
+ }
+}
+
+TEST("atomic int64 concurrency") {
+ ATOMIC(int64_t) foo;
+ ATOMIC(int64_t) bar;
+
+ atomic_store_explicit(&foo, 42, memory_order_relaxed);
+ atomic_store_explicit(&bar, 43, memory_order_relaxed);
+
+ thrd_t threads[THREAD_COUNT];
+ for (ptrdiff_t i = 0; i < THREAD_COUNT; i++)
+ thrd_create(threads + i, test_64_, (i % 2) ? &foo : &bar);
+ for (ptrdiff_t i = 0; i < THREAD_COUNT; i++)
+ thrd_join(threads[i], NULL);
+
+ REQUIRE(atomic_load_explicit(&foo, memory_order_relaxed) == 42);
+ REQUIRE(atomic_load_explicit(&bar, memory_order_relaxed) == 43);
+}
diff --git a/source/test/unittests/condition_variable.test.c b/source/test/unittests/condition_variable.test.c
index 93389e9..c855b0c 100644
--- a/source/test/unittests/condition_variable.test.c
+++ b/source/test/unittests/condition_variable.test.c
@@ -1,4 +1,4 @@
-#include "../../kit/threads.h"
+#include "../../kit/condition_variable.h"
#define KIT_TEST_FILE condition_variable
#include "../../kit_test/test.h"
diff --git a/source/test/unittests/mutex.test.c b/source/test/unittests/mutex.test.c
index d7b209b..7cce6db 100644
--- a/source/test/unittests/mutex.test.c
+++ b/source/test/unittests/mutex.test.c
@@ -1,9 +1,9 @@
-#include "../../kit/threads.h"
+#include "../../kit/mutex.h"
#define KIT_TEST_FILE mutex
#include "../../kit_test/test.h"
-enum { THREAD_COUNT = 200 };
+enum { SLEEP = 200000000, TICK_COUNT = 200, THREAD_COUNT = 100 };
typedef struct {
mtx_t lock;
@@ -12,7 +12,7 @@ typedef struct {
static int test_run(void *data) {
test_data_t *x = (test_data_t *) data;
- for (int i = 0; i < 1000; i++) {
+ for (int i = 0; i < TICK_COUNT; i++) {
mtx_lock(&x->lock);
x->value += i;
@@ -28,18 +28,6 @@ static int test_run(void *data) {
return 0;
}
-int test_lock_for_2_sec(void *data) {
- mtx_t *m = (mtx_t *) data;
- mtx_lock(m);
-
- struct timespec sec = { .tv_sec = 2, .tv_nsec = 0 };
- thrd_sleep(&sec, NULL);
-
- mtx_unlock(m);
-
- return 0;
-}
-
TEST("mutex lock") {
test_data_t data;
thrd_t pool[THREAD_COUNT];
@@ -55,14 +43,26 @@ TEST("mutex lock") {
REQUIRE(data.value == 42);
}
+static int test_lock(void *data) {
+ mtx_t *m = (mtx_t *) data;
+ mtx_lock(m);
+
+ struct timespec sec = { .tv_sec = 0, .tv_nsec = SLEEP };
+ thrd_sleep(&sec, NULL);
+
+ mtx_unlock(m);
+
+ return 0;
+}
+
TEST("mutex try lock") {
mtx_t m;
REQUIRE(mtx_init(&m, mtx_plain) == thrd_success);
thrd_t t;
- REQUIRE(thrd_create(&t, test_lock_for_2_sec, &m) == thrd_success);
+ REQUIRE(thrd_create(&t, test_lock, &m) == thrd_success);
- struct timespec sec = { .tv_sec = 1, .tv_nsec = 0 };
+ struct timespec sec = { .tv_sec = 0, .tv_nsec = SLEEP / 2 };
REQUIRE(thrd_sleep(&sec, NULL) == thrd_success);
REQUIRE(mtx_trylock(&m) == thrd_busy);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 12:49:02 +0000