90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*
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* Copyright (c) 2014, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/queue.h>
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#include <linux/msm_ion.h>
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#include "memory_prof.h"
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#include "memory_prof_util.h"
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#include "alloc_profiles.h"
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static LIST_HEAD(create_unused_client_list, unused_client_node) unused_client_head;
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struct unused_client_node {
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int fd;
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LIST_ENTRY(unused_client_node) nodes;
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};
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static int op_create_unused_client_run(
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struct alloc_profile_entry *entry __unused)
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{
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int fd;
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struct unused_client_node *np;
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MALLOC(struct unused_client_node *,
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np, sizeof(struct unused_client_node));
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fd = open(ION_DEV, O_RDONLY);
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if (fd < 0) {
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warn("couldn't open " ION_DEV);
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return 1;
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}
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np->fd = fd;
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LIST_INSERT_HEAD(&unused_client_head, np, nodes);
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return 0;
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}
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static struct alloc_profile_ops simple_create_unused_client_ops = {
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.run = op_create_unused_client_run,
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};
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ALLOC_PROFILE_OP(&simple_create_unused_client_ops, create_unused_client);
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static int op_free_all_unused_clients_run(
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struct alloc_profile_entry *entry __unused)
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{
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struct unused_client_node *np;
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for (np = unused_client_head.lh_first;
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np != NULL;
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np = np->nodes.le_next)
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close(np->fd);
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return 0;
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}
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static struct alloc_profile_ops free_all_unused_clients_ops = {
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.run = op_free_all_unused_clients_run,
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};
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ALLOC_PROFILE_OP(&free_all_unused_clients_ops, free_all_unused_clients);
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