86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2012, Joyent, Inc. All rights reserved.
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*/
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#include "lint.h"
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#include "thr_uberdata.h"
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/*
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* This file implements the private interface with libumem for per-thread
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* caching umem (ptcumem). For the full details on how tcumem works and how
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* these functions work, see section 8.4 of the big theory statement in
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* lib/libumem/common/umem.c.
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*/
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static tmem_func_t tmem_cleanup = NULL;
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uintptr_t
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_tmem_get_base(void)
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{
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return ((uintptr_t)&curthread->ul_tmem - (uintptr_t)curthread);
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}
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int
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_tmem_get_nentries(void)
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{
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return (NTMEMBASE);
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}
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void
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_tmem_set_cleanup(tmem_func_t f)
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{
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tmem_cleanup = f;
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}
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/*
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* This is called by _thrp_exit() to clean up any per-thread allocations that
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* are still hanging around and haven't been cleaned up.
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*/
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void
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tmem_exit(void)
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{
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int ii;
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void *buf, *next;
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tumem_t *tp = &curthread->ul_tmem;
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if (tp->tm_size == 0)
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return;
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/*
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* Since we have something stored here, we need to ensure we declared a
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* clean up handler. If we haven't that's broken and our single private
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* consumer should be shot.
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*/
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if (tmem_cleanup == NULL)
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abort();
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for (ii = 0; ii < NTMEMBASE; ii++) {
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buf = tp->tm_roots[ii];
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while (buf != NULL) {
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next = *(void **)buf;
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tmem_cleanup(buf, ii);
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buf = next;
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}
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}
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}
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