Mercurial > hg > dmlib

annotate dmlib.c @ 294:dd9809a93425

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Improve mutex debugging facilities.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 11 Oct 2012 16:04:02 +0300
parents 32250b436bca
children 3c5ebe88e52f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 #include "dmlib.h"
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2 #include <errno.h>
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3
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4
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5 int dmVerbosity = 0;
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6 char *dmProgName = NULL,
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7 *dmProgDesc = NULL,
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8 *dmProgVersion = NULL,
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9 *dmProgAuthor = NULL,
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10 *dmProgLicense = NULL;
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11
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12
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13 void dmInitProg(char *name, char *desc, char *version, char *author, char *license)
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14 {
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15 dmProgName = name;
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16 dmProgDesc = desc;
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17 dmProgVersion = version;
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18
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19 if (author)
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20 dmProgAuthor = author;
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21 else
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22 dmProgAuthor = DM_PROG_AUTHOR;
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23
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24 if (license)
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25 dmProgLicense = license;
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26 else
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27 dmProgLicense = DM_PROG_LICENSE;
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28
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29 }
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30
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31
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32 void dmPrintBanner(FILE *outFile, const char *name, const char *usage)
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33 {
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34 fprintf(outFile,
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35 "\n%s v%s (%s)\n"
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36 "%s\n"
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37 "%s\n"
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38 "Usage: %s %s\n",
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39 dmProgName, dmProgVersion, dmProgDesc,
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40 dmProgAuthor, dmProgLicense, name, usage);
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41 }
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42
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43
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44 void dmMsgVA(int level, const char *fmt, va_list ap)
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45 {
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46 if (dmVerbosity >= level)
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47 {
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48 fprintf(stderr, "%s: ", dmProgName);
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49 vfprintf(stderr, fmt, ap);
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50 }
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51 }
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52
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53
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54 void dmPrintVA(int level, const char *fmt, va_list ap)
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55 {
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56 if (dmVerbosity >= level)
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57 {
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58 vfprintf(stderr, fmt, ap);
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59 }
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60 }
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61
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62
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63 void dmErrorVA(const char *fmt, va_list ap)
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64 {
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65 fprintf(stderr, "%s: ", dmProgName);
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66 vfprintf(stderr, fmt, ap);
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67 }
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68
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69
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70 void dmError(const char *fmt, ...)
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71 {
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72 va_list ap;
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73
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74 va_start(ap, fmt);
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75 dmErrorVA(fmt, ap);
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76 va_end(ap);
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77 }
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78
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79
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80 void dmMsg(int level, const char *fmt, ...)
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81 {
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82 va_list ap;
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83
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84 va_start(ap, fmt);
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85 dmMsgVA(level, fmt, ap);
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86 va_end(ap);
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87 }
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88
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89
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90 void dmPrint(int level, const char *fmt, ...)
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91 {
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92 va_list ap;
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93
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94 va_start(ap, fmt);
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95 dmPrintVA(level, fmt, ap);
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96 va_end(ap);
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97 }
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98
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99
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100 /* Memory handling routines
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101 */
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102 void *dmMalloc(size_t l)
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103 {
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104 return malloc(l);
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105 }
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106
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107
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108 void *dmMalloc0(size_t l)
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109 {
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110 return calloc(1, l);
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111 }
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112
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113
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114 void *dmCalloc(size_t n, size_t l)
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115 {
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116 return calloc(n, l);
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117 }
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118
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119
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120 void *dmRealloc(void *p, size_t l)
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121 {
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122 return realloc(p, l);
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123 }
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124
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125
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126 void dmFree(void *p)
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127 {
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128 /* Check for NULL pointers for portability due to some libc
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129 * implementations not handling free(NULL) too well.
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130 */
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131 if (p) free(p);
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132 }
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133
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134
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135 BOOL dmGetIntVal(const char *s, int *i)
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136 {
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137 if (s[0] == '$')
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138 {
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139 if (sscanf(&s[1], "%x", i) < 1)
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140 return FALSE;
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141 }
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142 else if (s[0] == '0' && s[1] == 'x')
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143 {
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144 if (sscanf(&s[2], "%x", i) < 1)
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145 return FALSE;
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146 }
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147 else
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148 {
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149 if (sscanf(s, "%u", i) < 1)
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150 return FALSE;
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151 }
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152 return TRUE;
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153 }
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154
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155
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156 /* Error handling
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157 */
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158 #define DM_SYSTEM_ERRORS 100000
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159
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160 int dmGetErrno()
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161 {
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162 return DM_SYSTEM_ERRORS + errno;
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163 }
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164
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165
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166 const char *dmErrorStr(int error)
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167 {
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168 if (error >= DM_SYSTEM_ERRORS)
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169 return strerror(error - DM_SYSTEM_ERRORS);
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170
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171 switch (error)
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172 {
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173 case DMERR_OK: return "No error";
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174 case DMERR_FOPEN: return "File open error";
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175 case DMERR_FREAD: return "Read error";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
176 case DMERR_FWRITE: return "Write error";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
177 case DMERR_FSEEK: return "Seek error";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
178 case DMERR_NOT_FOUND: return "Resource not found";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
179
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
180 case DMERR_INVALID_DATA: return "Invalid data";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
181 case DMERR_MALLOC: return "Memory allocation failure";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
182 case DMERR_ALREADY_INIT: return "Already initialized";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
183 case DMERR_INIT_FAIL: return "Initialization failed";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
184 case DMERR_INVALID_ARGS: return "Invalid arguments";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
185
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
186 case DMERR_NULLPTR: return "NULL pointer";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
187 case DMERR_NOT_SUPPORTED: return "Operation not supported";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
188 case DMERR_OUT_OF_DATA: return "Out of data";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
189 case DMERR_EXTRA_DATA: return "Extra data";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
190 case DMERR_BOUNDS: return "Bounds check failed";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
191
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
192 case DMERR_NOTPACK: return "File is not a PACK";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
193 case DMERR_VERSION: return "Unsupported PACK version";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
194 case DMERR_INVALID: return "Invalid data, corrupted file";
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Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
195 case DMERR_COMPRESSION: return "Error in compression";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
196
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
197 default: return "Unknown error";
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
198 }
32250b436bca Initial re-import.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
199 }
294
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
200
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
201
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
202 #ifdef DM_MUTEX_DEBUG
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parents: 0
diff changeset
203
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
204 static DMMutexLock * dmGetMutexThreadIDLock(DMMutex *mutex)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
205 {
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
206 Uint32 id = SDL_ThreadID();
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
207 int i;
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
208 for (i = 0; i < 8; i++)
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
209 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
210 DMMutexLock *lock = &(mutex->locks[i]);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
211 if (lock->used && lock->id == id)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
212 return lock;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
213 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
214 return NULL;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
215 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
216
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
217 static void dmPrintMutexLocks(DMMutex *mutex, const char *state, const char *file, const int line)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
218 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
219 int i;
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Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
220
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
221 fprintf(stderr,
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
222 "----------------------\n"
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
223 "%s --> %p @ %s:%d\n"
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
224 "Current thread: %d\n"
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
225 "Mutex : %p (created @ %s:%d)\n",
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
226 state, mutex, file, line,
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
227 SDL_ThreadID(), mutex, mutex->cr_file, mutex->cr_line);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
228
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
229 for (i = 0; i < 8; i++)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
230 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
231 DMMutexLock *lock = &(mutex->locks[i]);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
232 if (lock->used)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
233 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
234 fprintf(stderr,
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
235 "Lock #%d: thread=%d, state=%d\n",
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
236 i, lock->id, lock->state);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
237 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
238 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
239 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
240
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
241 int dmDOMutexLock(DMMutex *mutex, const char *file, const int line)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
242 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
243 if (mutex != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
244 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
245 dmPrintMutexLocks(mutex, "LOCKING", file, line);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
246
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
247 DMMutexLock *lock = dmGetMutexThreadIDLock(mutex);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
248 if (lock != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
249 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
250 int res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
251 if (lock->state == 0)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
252 res = SDL_mutexP(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
253 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
254 res = 1;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
255 lock->state++;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
256 fprintf(stderr, "LOCKING %p @ thread=%d done [1].\n", mutex, SDL_ThreadID());
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
257 return res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
258 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
259 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
260 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
261 int i;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
262 for (i = 0; i < 8; i++)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
263 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
264 DMMutexLock *lock = &(mutex->locks[i]);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
265 if (!lock->used)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
266 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
267 int res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
268 lock->used = TRUE;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
269 lock->id = SDL_ThreadID();
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
270 lock->state++;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
271 res = SDL_mutexP(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
272 fprintf(stderr, "LOCKING %p @ thread=%d done [2].\n", mutex, SDL_ThreadID());
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
273 return res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
274 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
275 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
276 return -2;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
277 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
278 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
279 return -1;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
280 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
281
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
282
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
283 int dmDOMutexUnlock(DMMutex *mutex, const char *file, const int line)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
284 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
285 if (mutex != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
286 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
287 dmPrintMutexLocks(mutex, "UN-LOCKING", file, line);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
288
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
289 DMMutexLock *lock = dmGetMutexThreadIDLock(mutex);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
290 if (lock != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
291 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
292 int res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
293 lock->state--;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
294 if (lock->state == 0)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
295 res = SDL_mutexV(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
296 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
297 res = lock->state;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
298 return res;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
299 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
300 else
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
301 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
302 return -2;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
303 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
304 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
305 return -1;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
306 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
307
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
308
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
309 DMMutex * dmDOCreateMutex(const char *file, const int line)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
310 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
311 DMMutex *mutex = dmMalloc0(sizeof(DMMutex));
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
312 if (mutex == NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
313 return NULL;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
314 mutex->cr_file = dm_strdup(file);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
315 mutex->cr_line = line;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
316 mutex->m = SDL_CreateMutex();
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
317 return mutex;
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
318 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
319
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
320
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
321 void dmDestroyMutex(DMMutex *mutex)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
322 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
323 if (mutex != NULL)
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
324 {
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
325 SDL_DestroyMutex(mutex->m);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
326 dmFree(mutex);
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
327 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
328 }
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
329
dd9809a93425 Improve mutex debugging facilities.
Matti Hamalainen <ccr@tnsp.org>
parents: 0
diff changeset
330 #endif