You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
1.5 KiB
65 lines
1.5 KiB
/*
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2023-11-01 Shell Init ver.
|
|
*/
|
|
|
|
#include "lwp_futex_internal.h"
|
|
|
|
static struct shared_futex_entry *_futex_hash_head;
|
|
|
|
rt_err_t futex_global_table_add(struct shared_futex_key *key, rt_futex_t futex)
|
|
{
|
|
rt_err_t rc = 0;
|
|
struct shared_futex_entry *entry = &futex->entry;
|
|
futex->entry.key.mobj = key->mobj;
|
|
futex->entry.key.offset = key->offset;
|
|
|
|
RT_UTHASH_ADD(_futex_hash_head, key, sizeof(struct shared_futex_key), entry);
|
|
return rc;
|
|
}
|
|
|
|
rt_err_t futex_global_table_find(struct shared_futex_key *key, rt_futex_t *futex)
|
|
{
|
|
rt_err_t rc;
|
|
rt_futex_t found_futex;
|
|
struct shared_futex_entry *entry;
|
|
|
|
RT_UTHASH_FIND(_futex_hash_head, key, sizeof(struct shared_futex_key), entry);
|
|
if (entry)
|
|
{
|
|
rc = RT_EOK;
|
|
found_futex = rt_container_of(entry, struct rt_futex, entry);
|
|
}
|
|
else
|
|
{
|
|
rc = -RT_ENOENT;
|
|
found_futex = RT_NULL;
|
|
}
|
|
|
|
*futex = found_futex;
|
|
return rc;
|
|
}
|
|
|
|
rt_err_t futex_global_table_delete(struct shared_futex_key *key)
|
|
{
|
|
rt_err_t rc;
|
|
struct shared_futex_entry *entry;
|
|
|
|
RT_UTHASH_FIND(_futex_hash_head, key, sizeof(struct shared_futex_key), entry);
|
|
if (entry)
|
|
{
|
|
RT_UTHASH_DELETE(_futex_hash_head, entry);
|
|
rc = RT_EOK;
|
|
}
|
|
else
|
|
{
|
|
rc = -RT_ENOENT;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|