File: threadinfo.c

package info (click to toggle)
qemu 1%3A10.0.3%2Bds-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 413,680 kB
  • sloc: ansic: 4,733,433; pascal: 114,769; python: 105,506; asm: 68,431; sh: 52,881; makefile: 27,469; perl: 18,778; cpp: 11,435; xml: 3,404; objc: 2,877; yacc: 2,505; php: 1,299; tcl: 1,296; lex: 1,110; sql: 71; awk: 43; sed: 35; javascript: 7
file content (64 lines) | stat: -rw-r--r-- 1,639 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/*
 *  Migration Threads info
 *
 *  Copyright (c) 2022 HUAWEI TECHNOLOGIES CO., LTD.
 *
 *  Authors:
 *  Jiang Jiacheng <jiangjiacheng@huawei.com>
 *
 *  This work is licensed under the terms of the GNU GPL, version 2 or later.
 *  See the COPYING file in the top-level directory.
 */

#include "qemu/osdep.h"
#include "qemu/queue.h"
#include "qemu/lockable.h"
#include "threadinfo.h"

QemuMutex migration_threads_lock;
static QLIST_HEAD(, MigrationThread) migration_threads;

static void __attribute__((constructor)) migration_threads_init(void)
{
    qemu_mutex_init(&migration_threads_lock);
}

MigrationThread *migration_threads_add(const char *name, int thread_id)
{
    MigrationThread *thread =  g_new0(MigrationThread, 1);
    thread->name = name;
    thread->thread_id = thread_id;

    WITH_QEMU_LOCK_GUARD(&migration_threads_lock) {
        QLIST_INSERT_HEAD(&migration_threads, thread, node);
    }

    return thread;
}

void migration_threads_remove(MigrationThread *thread)
{
    QEMU_LOCK_GUARD(&migration_threads_lock);
    if (thread) {
        QLIST_REMOVE(thread, node);
        g_free(thread);
    }
}

MigrationThreadInfoList *qmp_query_migrationthreads(Error **errp)
{
    MigrationThreadInfoList *head = NULL;
    MigrationThreadInfoList **tail = &head;
    MigrationThread *thread = NULL;

    QEMU_LOCK_GUARD(&migration_threads_lock);
    QLIST_FOREACH(thread, &migration_threads, node) {
        MigrationThreadInfo *info = g_new0(MigrationThreadInfo, 1);
        info->name = g_strdup(thread->name);
        info->thread_id = thread->thread_id;

        QAPI_LIST_APPEND(tail, info);
    }

    return head;
}