shithub: purgatorio

ref: d3d1b3b47ff80f451c6c9f8b7f1262fef6545f2b
dir: /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;
}