shithub: purgatorio

ref: 8a788aea84aad3bfbd5b39d78c1925654f3b9e14
dir: purgatorio/lib9/lock-Nt-386.c

#include "lib9.h"

int
_tas(int *la)
{
	int v;

	_asm {
		mov eax, la
		mov ebx, 1
		xchg	ebx, [eax]
		mov	v, ebx
	}
	return v;
}