76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2009 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "cmidef.h"
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#include "relqop.h"
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GBLDEF struct NTD *ntd_root;
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void cmj_housekeeping(void)
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{
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struct CLB *lnk;
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que_ent_ptr_t qp;
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sigset_t oset;
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/* handle I/O interrupts */
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if (ntd_root->sigurg_interrupt)
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{
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cmj_select(SIGURG);
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ntd_root->sigurg_interrupt = FALSE;
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}
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if (ntd_root->sigio_interrupt)
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{
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cmj_select(SIGIO);
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ntd_root->sigio_interrupt = FALSE;
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}
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/* prune CLB free list if necessary */
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while (ntd_root->free_count > ntd_root->pool_size)
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{
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qp = remqh(&ntd_root->cqh_free);
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if (qp)
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{
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lnk = QUEENT2CLB(qp, cqe);
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assert(lnk);
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if (ntd_root->mbl && lnk->mbf)
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free(lnk->mbf);
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free(lnk);
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ntd_root->free_count--;
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}
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}
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/* coerce mbf back to mbl sized buffers */
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if (ntd_root->freelist_dirty)
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{
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ntd_root->freelist_dirty = FALSE;
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for (qp = RELQUE2PTR(ntd_root->cqh_free.fl) ; ntd_root->mbl && qp != &ntd_root->cqh_free ;
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qp = RELQUE2PTR(lnk->cqe.fl))
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{
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lnk = QUEENT2CLB(qp, cqe);
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if (lnk->mbl != ntd_root->mbl)
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(void)cmi_realloc_mbf(lnk, ntd_root->mbl);
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}
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}
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/* add to the free list up to poll size if necessary */
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while (ntd_root->free_count < ntd_root->pool_size)
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{
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lnk = (struct CLB *)malloc(SIZEOF(*lnk) + ntd_root->usr_size);
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assert(lnk);
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cmj_init_clb(ntd_root, lnk);
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if (ntd_root->mbl)
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{
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lnk->mbf = (unsigned char *)malloc(ntd_root->mbl);
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if (lnk->mbf)
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lnk->mbl = ntd_root->mbl;
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}
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insqt(&lnk->cqe, &ntd_root->cqh_free);
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ntd_root->free_count++;
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}
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}
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