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/*
* @(#)x86.uslc
*
* UnixWare has threads in libthread, but OpenServer doesn't (yet).
*
* For cc/x86, 0 is clear, 1 is set.
*/
#if defined(__USLC__)
asm int
_tsl_set(void *tsl)
{
%mem tsl
movl tsl, %ecx
movl $1, %eax
lock
xchgb (%ecx),%al
xorl $1,%eax
}
#endif
#define TSL_SET(tsl) _tsl_set(tsl)
#define TSL_UNSET(tsl) (*(tsl) = 0)
#define TSL_INIT(tsl) TSL_UNSET(tsl)
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