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path: root/tools/build/feature/test-sync-compare-and-swap.c
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#include <stdint.h>

volatile uint64_t x;

int main(int argc, char *argv[])
{
	uint64_t old, new = argc;

	argv = argv;
	do {
		old = __sync_val_compare_and_swap(&x, 0, 0);
	} while (!__sync_bool_compare_and_swap(&x, old, new));
	return old == new;
}
2'>stat only
authorHelge Deller <deller@gmx.de>2017-01-03 22:55:50 +0100
committerHelge Deller <deller@gmx.de>2017-01-28 21:54:21 +0100
commit83b5d1e3d3013dbf90645a5d07179d018c8243fa (patch)
tree831d7125df83a827408def371df72b1360e94078 /tools/testing/selftests/efivarfs/Makefile
parentd56a5ca366e785f463b4782f65daac883612a2b2 (diff)
parisc, parport_gsc: Fixes for printk continuation lines
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'tools/testing/selftests/efivarfs/Makefile')