# HG changeset patch # User Bob Pendleton # Date 1250026039 0 # Node ID 916f396fe65d64114c717126e10c1c9df98a3319 # Parent d7497988b677554047f3905ab2cd3f2ef7576012 Start of redesign, getting rid of 8 and 16 bit operations in .h and test files. diff -r d7497988b677 -r 916f396fe65d include/SDL_atomic.h --- a/include/SDL_atomic.h Tue Aug 11 21:15:18 2009 +0000 +++ b/include/SDL_atomic.h Tue Aug 11 21:27:19 2009 +0000 @@ -52,38 +52,6 @@ /* Function prototypes */ -/* 8 bit atomic operations */ - -extern DECLSPEC Uint8 SDLCALL SDL_AtomicExchange8(volatile Uint8 * ptr, Uint8 value); -extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCompareThenSet8(volatile Uint8 * ptr, - Uint8 oldvalue, Uint8 newvalue); -extern DECLSPEC SDL_bool SDLCALL SDL_AtomicTestThenSet8(volatile Uint8 * ptr); -extern DECLSPEC void SDLCALL SDL_AtomicClear8(volatile Uint8 * ptr); -extern DECLSPEC Uint8 SDLCALL SDL_AtomicFetchThenIncrement8(volatile Uint8 * ptr); -extern DECLSPEC Uint8 SDLCALL SDL_AtomicFetchThenDecrement8(volatile Uint8 * ptr); -extern DECLSPEC Uint8 SDLCALL SDL_AtomicFetchThenAdd8(volatile Uint8 * ptr, Uint8 value); -extern DECLSPEC Uint8 SDLCALL SDL_AtomicFetchThenSubtract8(volatile Uint8 * ptr, Uint8 value); -extern DECLSPEC Uint8 SDLCALL SDL_AtomicIncrementThenFetch8(volatile Uint8 * ptr); -extern DECLSPEC Uint8 SDLCALL SDL_AtomicDecrementThenFetch8(volatile Uint8 * ptr); -extern DECLSPEC Uint8 SDLCALL SDL_AtomicAddThenFetch8(volatile Uint8 * ptr, Uint8 value); -extern DECLSPEC Uint8 SDLCALL SDL_AtomicSubtractThenFetch8(volatile Uint8 * ptr, Uint8 value); - -/* 16 bit atomic operations */ - -extern DECLSPEC Uint16 SDLCALL SDL_AtomicExchange16(volatile Uint16 * ptr, Uint16 value); -extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCompareThenSet16(volatile Uint16 * ptr, - Uint16 oldvalue, Uint16 newvalue); -extern DECLSPEC SDL_bool SDLCALL SDL_AtomicTestThenSet16(volatile Uint16 * ptr); -extern DECLSPEC void SDLCALL SDL_AtomicClear16(volatile Uint16 * ptr); -extern DECLSPEC Uint16 SDLCALL SDL_AtomicFetchThenIncrement16(volatile Uint16 * ptr); -extern DECLSPEC Uint16 SDLCALL SDL_AtomicFetchThenDecrement16(volatile Uint16 * ptr); -extern DECLSPEC Uint16 SDLCALL SDL_AtomicFetchThenAdd16(volatile Uint16 * ptr, Uint16 value); -extern DECLSPEC Uint16 SDLCALL SDL_AtomicFetchThenSubtract16(volatile Uint16 * ptr, Uint16 value); -extern DECLSPEC Uint16 SDLCALL SDL_AtomicIncrementThenFetch16(volatile Uint16 * ptr); -extern DECLSPEC Uint16 SDLCALL SDL_AtomicDecrementThenFetch16(volatile Uint16 * ptr); -extern DECLSPEC Uint16 SDLCALL SDL_AtomicAddThenFetch16(volatile Uint16 * ptr, Uint16 value); -extern DECLSPEC Uint16 SDLCALL SDL_AtomicSubtractThenFetch16(volatile Uint16 * ptr, Uint16 value); - /* 32 bit atomic operations */ /** @@ -101,6 +69,7 @@ * */ extern DECLSPEC Uint32 SDLCALL SDL_AtomicExchange32(volatile Uint32 * ptr, Uint32 value); + /** * \fn int SDL_AtomicCompareThenSet32(volatile Uint32 * ptr, Uint32 oldvalue, Uint32 newvalue) * @@ -127,6 +96,7 @@ * */ extern DECLSPEC SDL_bool SDLCALL SDL_AtomicTestThenSet32(volatile Uint32 * ptr); + /** * \fn void SDL_AtomicClear32(volatile Uint32 * ptr); * @@ -136,6 +106,7 @@ * */ extern DECLSPEC void SDLCALL SDL_AtomicClear32(volatile Uint32 * ptr); + /** * \fn Uint32 SDL_AtomicFetchThenIncrement32(volatile Uint32 * ptr); * @@ -148,6 +119,7 @@ * */ extern DECLSPEC Uint32 SDLCALL SDL_AtomicFetchThenIncrement32(volatile Uint32 * ptr); + /** * \fn Uint32 SDL_AtomicFetchThenDecrement32(volatile Uint32 * ptr); * @@ -159,6 +131,7 @@ * */ extern DECLSPEC Uint32 SDLCALL SDL_AtomicFetchThenDecrement32(volatile Uint32 * ptr); + /** * \fn Uint32 SDL_AtomicFetchThenAdd32(volatile Uint32 * ptr, Uint32 value); * @@ -171,6 +144,7 @@ * */ extern DECLSPEC Uint32 SDLCALL SDL_AtomicFetchThenAdd32(volatile Uint32 * ptr, Uint32 value); + /** * \fn Uint32 SDL_AtomicFetchThenSubtract32(volatile Uint32 * ptr, Uint32 value); * @@ -183,6 +157,7 @@ * */ extern DECLSPEC Uint32 SDLCALL SDL_AtomicFetchThenSubtract32(volatile Uint32 * ptr, Uint32 value); + /** * \fn Uint32 SDL_AtomicIncrementThenFetch32(volatile Uint32 * ptr); * @@ -194,6 +169,7 @@ * */ extern DECLSPEC Uint32 SDLCALL SDL_AtomicIncrementThenFetch32(volatile Uint32 * ptr); + /** * \fn Uint32 SDL_AtomicDecrementThenFetch32(volatile Uint32 * ptr); * @@ -205,6 +181,7 @@ * */ extern DECLSPEC Uint32 SDLCALL SDL_AtomicDecrementThenFetch32(volatile Uint32 * ptr); + /** * \fn Uint32 SDL_AtomicAddThenFetch32(volatile Uint32 * ptr, Uint32 value); * @@ -217,6 +194,7 @@ * */ extern DECLSPEC Uint32 SDLCALL SDL_AtomicAddThenFetch32(volatile Uint32 * ptr, Uint32 value); + /** * \fn Uint32 SDL_AtomicSubtractThenFetch32(volatile Uint32 * ptr, Uint32 value); * diff -r d7497988b677 -r 916f396fe65d test/testatomic.c --- a/test/testatomic.c Tue Aug 11 21:15:18 2009 +0000 +++ b/test/testatomic.c Tue Aug 11 21:27:19 2009 +0000 @@ -23,12 +23,6 @@ main(int argc, char **argv) { - volatile Uint8 val8 = 0; - Uint8 ret8 = 0; - - volatile Uint16 val16 = 0; - Uint16 ret16 = 0; - volatile Uint32 val32 = 0; Uint32 ret32 = 0; @@ -37,102 +31,6 @@ SDL_bool tfret = SDL_FALSE; - - printf("8 bit -----------------------------------------\n\n"); - - ret8 = SDL_AtomicExchange8(&val8, 10); - printf("Exchange8 ret=%d val=%d\n", ret8, val8); - ret8 = SDL_AtomicExchange8(&val8, 0); - printf("Exchange8 ret=%d val=%d\n", ret8, val8); - - val8 = 10; - tfret = SDL_AtomicCompareThenSet8(&val8, 10, 20); - printf("CompareThenSet8 tfret=%s val=%d\n", tf(tfret), val8); - val8 = 10; - tfret = SDL_AtomicCompareThenSet8(&val8, 0, 20); - printf("CompareThenSet8 tfret=%s val=%d\n", tf(tfret), val8); - - val8 = 0; - tfret = SDL_AtomicTestThenSet8(&val8); - printf("TestThenSet8 tfret=%s val=%d\n", tf(tfret), val8); - tfret = SDL_AtomicTestThenSet8(&val8); - printf("TestThenSet8 tfret=%s val=%d\n", tf(tfret), val8); - - SDL_AtomicClear8(&val8); - printf("Clear8 val=%d\n", val8); - - ret8 = SDL_AtomicFetchThenIncrement8(&val8); - printf("FetchThenIncrement8 ret=%d val=%d\n", ret8, val8); - - ret8 = SDL_AtomicFetchThenDecrement8(&val8); - printf("FetchThenDecrement8 ret=%d val=%d\n", ret8, val8); - - ret8 = SDL_AtomicFetchThenAdd8(&val8, 10); - printf("FetchThenAdd8 ret=%d val=%d\n", ret8, val8); - - ret8 = SDL_AtomicFetchThenSubtract8(&val8, 10); - printf("FetchThenSubtract8 ret=%d val=%d\n", ret8, val8); - - ret8 = SDL_AtomicIncrementThenFetch8(&val8); - printf("IncrementThenFetch8 ret=%d val=%d\n", ret8, val8); - - ret8 = SDL_AtomicDecrementThenFetch8(&val8); - printf("DecrementThenFetch8 ret=%d val=%d\n", ret8, val8); - - ret8 = SDL_AtomicAddThenFetch8(&val8, 10); - printf("AddThenFetch8 ret=%d val=%d\n", ret8, val8); - - ret8 = SDL_AtomicSubtractThenFetch8(&val8, 10); - printf("SubtractThenFetch8 ret=%d val=%d\n", ret8, val8); - - - printf("16 bit -----------------------------------------\n\n"); - - ret16 = SDL_AtomicExchange16(&val16, 10); - printf("Exchange16 ret=%d val=%d\n", ret16, val16); - ret16 = SDL_AtomicExchange16(&val16, 0); - printf("Exchange16 ret=%d val=%d\n", ret16, val16); - - val16 = 10; - tfret = SDL_AtomicCompareThenSet16(&val16, 10, 20); - printf("CompareThenSet16 tfret=%s val=%d\n", tf(tfret), val16); - val16 = 10; - tfret = SDL_AtomicCompareThenSet16(&val16, 0, 20); - printf("CompareThenSet16 tfret=%s val=%d\n", tf(tfret), val16); - - val16 = 0; - tfret = SDL_AtomicTestThenSet16(&val16); - printf("TestThenSet16 tfret=%s val=%d\n", tf(tfret), val16); - tfret = SDL_AtomicTestThenSet16(&val16); - printf("TestThenSet16 tfret=%s val=%d\n", tf(tfret), val16); - - SDL_AtomicClear16(&val16); - printf("Clear16 val=%d\n", val16); - - ret16 = SDL_AtomicFetchThenIncrement16(&val16); - printf("FetchThenIncrement16 ret=%d val=%d\n", ret16, val16); - - ret16 = SDL_AtomicFetchThenDecrement16(&val16); - printf("FetchThenDecrement16 ret=%d val=%d\n", ret16, val16); - - ret16 = SDL_AtomicFetchThenAdd16(&val16, 10); - printf("FetchThenAdd16 ret=%d val=%d\n", ret16, val16); - - ret16 = SDL_AtomicFetchThenSubtract16(&val16, 10); - printf("FetchThenSubtract16 ret=%d val=%d\n", ret16, val16); - - ret16 = SDL_AtomicIncrementThenFetch16(&val16); - printf("IncrementThenFetch16 ret=%d val=%d\n", ret16, val16); - - ret16 = SDL_AtomicDecrementThenFetch16(&val16); - printf("DecrementThenFetch16 ret=%d val=%d\n", ret16, val16); - - ret16 = SDL_AtomicAddThenFetch16(&val16, 10); - printf("AddThenFetch16 ret=%d val=%d\n", ret16, val16); - - ret16 = SDL_AtomicSubtractThenFetch16(&val16, 10); - printf("SubtractThenFetch16 ret=%d val=%d\n", ret16, val16); - printf("32 bit -----------------------------------------\n\n"); ret32 = SDL_AtomicExchange32(&val32, 10);