int
puffs__cc_restoremain(struct puffs_usermount *pu)
{
if (puffs_fakecc)
return 0;
puffs__cc_destroy(puffs_cc_getcc(pu), 1);
PU_SETSFLAG(pu, PU_MAINRESTORE);
return setcontext(&pu->pu_mainctx);
}
/*
* Internal continue routine. This has slightly different semantics.
* We simply make our cc available in the freelist and jump to the
* indicated pcc.
*/
void
puffs__cc_cont(struct puffs_cc *pcc)
{
struct puffs_cc *mycc;
mycc = puffs_cc_getcc(pcc->pcc_pu);
DPRINTF(("puffs__cc_cont: pcc %p, mycc %p\n", pcc, mycc));
/*
* XXX: race between setcontext() and recycle if
* we go multithreaded
*/
puffs__cc_destroy(mycc, 1);
pcc->pcc_flags |= PCC_MLCONT;
setcontext(&pcc->pcc_uc);
}
int
puffs_dispatch_exec(struct puffs_cc *pcc, struct puffs_framebuf **pbp)
{
int rv;
puffs_cc_continue(pcc);
if (pcc->pcc_flags & PCC_DONE) {
rv = 1;
*pbp = pcc->pcc_pb;
pcc->pcc_flags = 0;
puffs__cc_destroy(pcc, 0);
} else {
rv = 0;
}
return rv;
}
