ObjFW  Check-in [12b72a02a0]

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Comment:OFOnce: Avoid full memory barrier
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SHA3-256: 12b72a02a06720a35ec42d836e5d428e99b0cabaaa815681aa1ba6524fc2796e
User & Date: js on 2024-09-04 23:27:17
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Context
2024-09-04
23:30
OFMemoryBarrier: Use sync on PowerPC check-in: 259abc30ce user: js tags: trunk
23:27
OFOnce: Avoid full memory barrier check-in: dc1ba0558c user: js tags: 1.1
23:27
OFOnce: Avoid full memory barrier check-in: 12b72a02a0 user: js tags: trunk
2024-09-01
14:22
Add manpage for ofhttp check-in: 79c24effeb user: js tags: trunk
Changes
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Modified src/OFOnce.m from [06c9cd7dc5] to [6e21212113].

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	pthread_once(control, function);
#elif defined(OF_HAVE_ATOMIC_OPS)
	/* Avoid atomic operations in case it's already done. */
	if (*control == 2)
		return;

	if (OFAtomicIntCompareAndSwap(control, 0, 1)) {
		function();

		OFMemoryBarrier();


		OFAtomicIntIncrease(control);


	} else
		while (*control == 1)
			OFYieldThread();
#elif defined(OF_AMIGAOS)
	bool run = false;

	/* Avoid Forbid() in case it's already done. */








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	pthread_once(control, function);
#elif defined(OF_HAVE_ATOMIC_OPS)
	/* Avoid atomic operations in case it's already done. */
	if (*control == 2)
		return;

	if (OFAtomicIntCompareAndSwap(control, 0, 1)) {


		OFAcquireMemoryBarrier();

		function();
		OFAtomicIntIncrease(control);

		OFReleaseMemoryBarrier();
	} else
		while (*control == 1)
			OFYieldThread();
#elif defined(OF_AMIGAOS)
	bool run = false;

	/* Avoid Forbid() in case it's already done. */
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