I'm porting a BSD licensed Java VM from Linux to FreeBSD and ran into
the following Linux function which is not implemented in BSDs.
To avoid GPL contamination issues, can someone complete[1] the following
method in inlined IA-32 assembly ? Intel instruction reference documents
an instruction called BTS, which does just this.
Thanks!
-Arun
[1] I've already looked at the Linux implementation - does that
disqualify me ? Has anyone dealt with such issues in the past ?
/**
* test_and_set_bit - Set a bit and return its old value
* @nr: Bit to set
* @addr: Address to count from
*
* This operation is atomic and cannot be reordered.
* It also implies a memory barrier.
*/
static __inline__ int test_and_set_bit(int nr, volatile void * addr);
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