ObjFW  Check-in [196aa3f6fe]

Overview
Comment:Error out if an atomic operation is missing.
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SHA3-256: 196aa3f6fe0a228a7c1c3c8944c5b4f3605865a6c3cada0619f8017cc15efe63
User & Date: js on 2012-07-21 11:42:16
Other Links: manifest | tags
Context
2012-07-21
21:16
configure.ac: Remove old check. check-in: 27c863fb99 user: js tags: trunk
11:42
Error out if an atomic operation is missing. check-in: 196aa3f6fe user: js tags: trunk
2012-07-20
23:46
Fix the ARM architecture detection mess. check-in: 7e7d14b815 user: js tags: trunk
Changes
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Modified src/atomic.h from [cfff404a91] to [fe64838cdd].

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 * file.
 */

#include <stdlib.h>

#import "macros.h"

#if defined(OF_THREADS) && !defined(OF_X86_ASM) && !defined(OF_AMD64_ASM) && \
    !defined(OF_HAVE_GCC_ATOMIC_OPS) && !defined(OF_HAVE_OSATOMIC)
# error No atomic operations available!
#endif

#ifdef OF_HAVE_OSATOMIC
# include <libkern/OSAtomic.h>
#endif

static OF_INLINE int
of_atomic_add_int(volatile int *p, int i)
{








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 * file.
 */

#include <stdlib.h>

#import "macros.h"






#ifdef OF_HAVE_OSATOMIC
# include <libkern/OSAtomic.h>
#endif

static OF_INLINE int
of_atomic_add_int(volatile int *p, int i)
{
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		return OSAtomicAdd32Barrier(i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicAdd64Barrier(i, p);
# endif
	else
		abort();


#endif
}

static OF_INLINE int32_t
of_atomic_add_32(volatile int32_t *p, int32_t i)
{
#if !defined(OF_THREADS)








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>








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		return OSAtomicAdd32Barrier(i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicAdd64Barrier(i, p);
# endif
	else
		abort();
#else
# error No atomic operations available!
#endif
}

static OF_INLINE int32_t
of_atomic_add_32(volatile int32_t *p, int32_t i)
{
#if !defined(OF_THREADS)
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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_add_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicAdd32Barrier(i, p);


#endif
}

static OF_INLINE void*
of_atomic_add_ptr(void* volatile *p, intptr_t i)
{
#if !defined(OF_THREADS)








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>








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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_add_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicAdd32Barrier(i, p);
#else
# error No atomic operations available!
#endif
}

static OF_INLINE void*
of_atomic_add_ptr(void* volatile *p, intptr_t i)
{
#if !defined(OF_THREADS)
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		return (void*)OSAtomicAdd32Barrier(i, (int32_t*)p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(void*) == 8)
		return (void*)OSAtomicAdd64Barrier(i, (int64_t*)p);
# endif
	else
		abort();


#endif
}

static OF_INLINE int
of_atomic_sub_int(volatile int *p, int i)
{
#if !defined(OF_THREADS)








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>








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		return (void*)OSAtomicAdd32Barrier(i, (int32_t*)p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(void*) == 8)
		return (void*)OSAtomicAdd64Barrier(i, (int64_t*)p);
# endif
	else
		abort();
#else
# error No atomic operations available!
#endif
}

static OF_INLINE int
of_atomic_sub_int(volatile int *p, int i)
{
#if !defined(OF_THREADS)
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		return OSAtomicAdd32Barrier(-i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicAdd64Barrier(-i, p);
# endif
	else
		abort();


#endif
}

static OF_INLINE int32_t
of_atomic_sub_32(volatile int32_t *p, int32_t i)
{
#if !defined(OF_THREADS)








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		return OSAtomicAdd32Barrier(-i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicAdd64Barrier(-i, p);
# endif
	else
		abort();
#else
# error No atomic operations available!
#endif
}

static OF_INLINE int32_t
of_atomic_sub_32(volatile int32_t *p, int32_t i)
{
#if !defined(OF_THREADS)
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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_sub_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicAdd32Barrier(-i, p);


#endif
}

static OF_INLINE void*
of_atomic_sub_ptr(void* volatile *p, intptr_t i)
{
#if !defined(OF_THREADS)








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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_sub_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicAdd32Barrier(-i, p);
#else
# error No atomic operations available!
#endif
}

static OF_INLINE void*
of_atomic_sub_ptr(void* volatile *p, intptr_t i)
{
#if !defined(OF_THREADS)
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		return (void*)OSAtomicAdd32Barrier(-i, (int32_t*)p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(void*) == 8)
		return (void*)OSAtomicAdd64Barrier(-i, (int64_t*)p);
# endif
	else
		abort();


#endif
}

static OF_INLINE int
of_atomic_inc_int(volatile int *p)
{
#if !defined(OF_THREADS)
	return ++*p;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
	uint32_t i;

	if (sizeof(int) == 4)
		__asm__ (
		    "xorl	%0, %0\n\t"
		    "incl	%0\n\t"
		    "lock\n\t"
		    "xaddl	%0, %1\n\t"








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|








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		return (void*)OSAtomicAdd32Barrier(-i, (int32_t*)p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(void*) == 8)
		return (void*)OSAtomicAdd64Barrier(-i, (int64_t*)p);
# endif
	else
		abort();
#else
# error No atomic operations available!
#endif
}

static OF_INLINE int
of_atomic_inc_int(volatile int *p)
{
#if !defined(OF_THREADS)
	return ++*p;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
	int i;

	if (sizeof(int) == 4)
		__asm__ (
		    "xorl	%0, %0\n\t"
		    "incl	%0\n\t"
		    "lock\n\t"
		    "xaddl	%0, %1\n\t"
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		return OSAtomicIncrement32Barrier(p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicDecrement64Barrier(p);
# endif
	else
		abort();


#endif
}

static OF_INLINE int32_t
of_atomic_inc_32(volatile int32_t *p)
{
#if !defined(OF_THREADS)
	return ++*p;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
	uint32_t i;








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>








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		return OSAtomicIncrement32Barrier(p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicDecrement64Barrier(p);
# endif
	else
		abort();
#else
# error No atomic operations available!
#endif
}

static OF_INLINE int32_t
of_atomic_inc_32(volatile int32_t *p)
{
#if !defined(OF_THREADS)
	return ++*p;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
	uint32_t i;
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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_add_and_fetch(p, 1);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicIncrement32Barrier(p);


#endif
}

static OF_INLINE int
of_atomic_dec_int(volatile int *p)
{
#if !defined(OF_THREADS)
	return --*p;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
	uint32_t i;

	if (sizeof(int) == 4)
		__asm__ (
		    "xorl	%0, %0\n\t"
		    "decl	%0\n\t"
		    "lock\n\t"
		    "xaddl	%0, %1\n\t"








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|








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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_add_and_fetch(p, 1);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicIncrement32Barrier(p);
#else
# error No atomic operations available!
#endif
}

static OF_INLINE int
of_atomic_dec_int(volatile int *p)
{
#if !defined(OF_THREADS)
	return --*p;
#elif defined(OF_X86_ASM) || defined(OF_AMD64_ASM)
	int i;

	if (sizeof(int) == 4)
		__asm__ (
		    "xorl	%0, %0\n\t"
		    "decl	%0\n\t"
		    "lock\n\t"
		    "xaddl	%0, %1\n\t"
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		return OSAtomicDecrement32Barrier(p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicDecrement64Barrier(p);
# endif
	else
		abort();


#endif
}

static OF_INLINE int32_t
of_atomic_dec_32(volatile int32_t *p)
{
#if !defined(OF_THREADS)








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>








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		return OSAtomicDecrement32Barrier(p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicDecrement64Barrier(p);
# endif
	else
		abort();
#else
# error No atomic operations available!
#endif
}

static OF_INLINE int32_t
of_atomic_dec_32(volatile int32_t *p)
{
#if !defined(OF_THREADS)
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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_sub_and_fetch(p, 1);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicDecrement32Barrier(p);


#endif
}

static OF_INLINE unsigned int
of_atomic_or_int(volatile unsigned int *p, unsigned int i)
{
#if !defined(OF_THREADS)








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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_sub_and_fetch(p, 1);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicDecrement32Barrier(p);
#else
# error No atomic operations available!
#endif
}

static OF_INLINE unsigned int
of_atomic_or_int(volatile unsigned int *p, unsigned int i)
{
#if !defined(OF_THREADS)
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		return OSAtomicOr32Barrier(i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicOr64Barrier(i, p);
# endif
	else
		abort();


#endif
}

static OF_INLINE uint32_t
of_atomic_or_32(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_THREADS)








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		return OSAtomicOr32Barrier(i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicOr64Barrier(i, p);
# endif
	else
		abort();
#else
# error No atomic operations available!
#endif
}

static OF_INLINE uint32_t
of_atomic_or_32(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_THREADS)
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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_or_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicOr32Barrier(i, p);


#endif
}

static OF_INLINE unsigned int
of_atomic_and_int(volatile unsigned int *p, unsigned int i)
{
#if !defined(OF_THREADS)








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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_or_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicOr32Barrier(i, p);
#else
# error No atomic operations available!
#endif
}

static OF_INLINE unsigned int
of_atomic_and_int(volatile unsigned int *p, unsigned int i)
{
#if !defined(OF_THREADS)
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		return OSAtomicAnd32Barrier(i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicAnd64Barrier(i, p);
# endif
	else
		abort();


#endif
}

static OF_INLINE uint32_t
of_atomic_and_32(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_THREADS)








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		return OSAtomicAnd32Barrier(i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else if (sizeof(int) == 8)
		return OSAtomicAnd64Barrier(i, p);
# endif
	else
		abort();
#else
# error No atomic operations available!
#endif
}

static OF_INLINE uint32_t
of_atomic_and_32(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_THREADS)
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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_and_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicAnd32Barrier(i, p);


#endif
}

static OF_INLINE unsigned int
of_atomic_xor_int(volatile unsigned int *p, unsigned int i)
{
#if !defined(OF_THREADS)








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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_and_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicAnd32Barrier(i, p);
#else
# error No atomic operations available!
#endif
}

static OF_INLINE unsigned int
of_atomic_xor_int(volatile unsigned int *p, unsigned int i)
{
#if !defined(OF_THREADS)
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		return OSAtomicXor32Barrier(i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else (sizeof(int) == 8)
		return OSAtomicXor64Barrier(i, p);
# endif
	else
		abort();


#endif
}

static OF_INLINE uint32_t
of_atomic_xor_32(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_THREADS)








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		return OSAtomicXor32Barrier(i, p);
# ifdef OF_HAVE_OSATOMIC_64
	else (sizeof(int) == 8)
		return OSAtomicXor64Barrier(i, p);
# endif
	else
		abort();
#else
# error No atomic operations available!
#endif
}

static OF_INLINE uint32_t
of_atomic_xor_32(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_THREADS)
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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_xor_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicXor32Barrier(i, p);


#endif
}

static OF_INLINE BOOL
of_atomic_cmpswap_int(volatile int *p, int o, int n)
{
#if !defined(OF_THREADS)








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	);

	return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_xor_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicXor32Barrier(i, p);
#else
# error No atomic operations available!
#endif
}

static OF_INLINE BOOL
of_atomic_cmpswap_int(volatile int *p, int o, int n)
{
#if !defined(OF_THREADS)
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	);

	return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicCompareAndSwapIntBarrier(o, n, p);


#endif
}

static OF_INLINE BOOL
of_atomic_cmpswap_32(volatile int32_t *p, int32_t o, int32_t n)
{
#if !defined(OF_THREADS)








>
>








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	);

	return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicCompareAndSwapIntBarrier(o, n, p);
#else
# error No atomic operations available!
#endif
}

static OF_INLINE BOOL
of_atomic_cmpswap_32(volatile int32_t *p, int32_t o, int32_t n)
{
#if !defined(OF_THREADS)
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	);

	return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicCompareAndSwap32Barrier(o, n, p);


#endif
}

static OF_INLINE BOOL
of_atomic_cmpswap_ptr(void* volatile *p, void *o, void *n)
{
#if !defined(OF_THREADS)








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	);

	return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicCompareAndSwap32Barrier(o, n, p);
#else
# error No atomic operations available!
#endif
}

static OF_INLINE BOOL
of_atomic_cmpswap_ptr(void* volatile *p, void *o, void *n)
{
#if !defined(OF_THREADS)
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	);

	return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicCompareAndSwapPtrBarrier(o, n, p);


#endif
}








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>



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	);

	return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
	return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
	return OSAtomicCompareAndSwapPtrBarrier(o, n, p);
#else
# error No atomic operations available!
#endif
}

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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