1 /*
2 * Copyright 2017 Advanced Micro Devices, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25
26 #include "u_async_debug.h"
27
28 #include <stdio.h>
29 #include <stdarg.h>
30
31 #include "util/u_debug.h"
32 #include "util/u_string.h"
33
34 static void
u_async_debug_message(void * data,unsigned * id,enum pipe_debug_type type,const char * fmt,va_list args)35 u_async_debug_message(void *data, unsigned *id, enum pipe_debug_type type,
36 const char *fmt, va_list args)
37 {
38 struct util_async_debug_callback *adbg = data;
39 struct util_debug_message *msg;
40 char *text;
41 int r;
42
43 r = vasprintf(&text, fmt, args);
44 if (r < 0)
45 return;
46
47 simple_mtx_lock(&adbg->lock);
48 if (adbg->count >= adbg->max) {
49 size_t new_max = MAX2(16, adbg->max * 2);
50
51 if (new_max < adbg->max ||
52 new_max > SIZE_MAX / sizeof(*adbg->messages)) {
53 free(text);
54 goto out;
55 }
56
57 struct util_debug_message *new_msg =
58 realloc(adbg->messages, new_max * sizeof(*adbg->messages));
59 if (!new_msg) {
60 free(text);
61 goto out;
62 }
63
64 adbg->max = new_max;
65 adbg->messages = new_msg;
66 }
67
68 msg = &adbg->messages[adbg->count++];
69 msg->id = id;
70 msg->type = type;
71 msg->msg = text;
72
73 out:
74 simple_mtx_unlock(&adbg->lock);
75 }
76
77 void
u_async_debug_init(struct util_async_debug_callback * adbg)78 u_async_debug_init(struct util_async_debug_callback *adbg)
79 {
80 memset(adbg, 0, sizeof(*adbg));
81
82 simple_mtx_init(&adbg->lock, mtx_plain);
83 adbg->base.async = true;
84 adbg->base.debug_message = u_async_debug_message;
85 adbg->base.data = adbg;
86 }
87
88 void
u_async_debug_cleanup(struct util_async_debug_callback * adbg)89 u_async_debug_cleanup(struct util_async_debug_callback *adbg)
90 {
91 simple_mtx_destroy(&adbg->lock);
92
93 for (unsigned i = 0; i < adbg->count; ++i)
94 free(adbg->messages[i].msg);
95 free(adbg->messages);
96 }
97
98 void
_u_async_debug_drain(struct util_async_debug_callback * adbg,struct pipe_debug_callback * dst)99 _u_async_debug_drain(struct util_async_debug_callback *adbg,
100 struct pipe_debug_callback *dst)
101 {
102 simple_mtx_lock(&adbg->lock);
103 for (unsigned i = 0; i < adbg->count; ++i) {
104 const struct util_debug_message *msg = &adbg->messages[i];
105
106 _pipe_debug_message(dst, msg->id, msg->type, "%s", msg->msg);
107
108 free(msg->msg);
109 }
110
111 adbg->count = 0;
112 simple_mtx_unlock(&adbg->lock);
113 }
114
115