File: erl_lock_flags.c

package info (click to toggle)
erlang 1%3A28.1.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 235,640 kB
  • sloc: erlang: 1,685,753; ansic: 436,891; cpp: 178,143; xml: 82,195; makefile: 15,086; sh: 14,588; lisp: 9,856; java: 8,603; asm: 6,829; perl: 5,874; python: 5,482; sed: 72
file content (61 lines) | stat: -rw-r--r-- 1,743 bytes parent folder | download | duplicates (2)
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
/*
 * %CopyrightBegin%
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright Ericsson AB 2017-2025. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * %CopyrightEnd%
 */

#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif

#include "erl_lock_flags.h"

const char *erts_lock_flags_get_type_name(erts_lock_flags_t flags) {
    switch(flags & ERTS_LOCK_FLAGS_MASK_TYPE) {
        case ERTS_LOCK_FLAGS_TYPE_PROCLOCK:
            return "proclock";
        case ERTS_LOCK_FLAGS_TYPE_MUTEX:
            if(flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE) {
                return "rw_mutex";
            }

            return "mutex";
        case ERTS_LOCK_FLAGS_TYPE_SPINLOCK:
            if(flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE) {
                return "rw_spinlock";
            }

            return "spinlock";
        default:
            return "garbage";
    }
}

const char *erts_lock_options_get_short_desc(erts_lock_options_t options) {
    switch(options) {
        case ERTS_LOCK_OPTIONS_RDWR:
            return "rw";
        case ERTS_LOCK_OPTIONS_READ:
            return "r";
        case ERTS_LOCK_OPTIONS_WRITE:
            return "w";
        default:
            return "none";
    }
}