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annotate src/os/unix/ngx_atomic.h @ 7660:d33e17499088

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Version bump.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 26 May 2020 22:03:00 +0300
parents 2cd019520210
children 09d15a2dbc6b
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_ATOMIC_H_INCLUDED_
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9 #define _NGX_ATOMIC_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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15
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16 #if (NGX_HAVE_LIBATOMIC)
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17
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18 #define AO_REQUIRE_CAS
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19 #include <atomic_ops.h>
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20
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21 #define NGX_HAVE_ATOMIC_OPS 1
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22
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23 typedef long ngx_atomic_int_t;
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24 typedef AO_t ngx_atomic_uint_t;
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25 typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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26
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27 #if (NGX_PTR_SIZE == 8)
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28 #define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1)
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29 #else
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30 #define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1)
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31 #endif
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32
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33 #define ngx_atomic_cmp_set(lock, old, new) \
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34 AO_compare_and_swap(lock, old, new)
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35 #define ngx_atomic_fetch_add(value, add) \
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36 AO_fetch_and_add(value, add)
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37 #define ngx_memory_barrier() AO_nop()
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38 #define ngx_cpu_pause()
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39
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40
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41 #elif (NGX_DARWIN_ATOMIC)
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42
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43 /*
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44 * use Darwin 8 atomic(3) and barrier(3) operations
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45 * optimized at run-time for UP and SMP
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46 */
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47
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48 #include <libkern/OSAtomic.h>
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49
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50 /* "bool" conflicts with perl's CORE/handy.h */
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51 #if 0
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52 #undef bool
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53 #endif
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54
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55
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56 #define NGX_HAVE_ATOMIC_OPS 1
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57
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58 #if (NGX_PTR_SIZE == 8)
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59
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60 typedef int64_t ngx_atomic_int_t;
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61 typedef uint64_t ngx_atomic_uint_t;
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62 #define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1)
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63
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64 #define ngx_atomic_cmp_set(lock, old, new) \
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65 OSAtomicCompareAndSwap64Barrier(old, new, (int64_t *) lock)
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66
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67 #define ngx_atomic_fetch_add(value, add) \
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68 (OSAtomicAdd64(add, (int64_t *) value) - add)
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69
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70 #else
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71
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72 typedef int32_t ngx_atomic_int_t;
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73 typedef uint32_t ngx_atomic_uint_t;
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74 #define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1)
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75
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76 #define ngx_atomic_cmp_set(lock, old, new) \
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77 OSAtomicCompareAndSwap32Barrier(old, new, (int32_t *) lock)
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78
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79 #define ngx_atomic_fetch_add(value, add) \
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80 (OSAtomicAdd32(add, (int32_t *) value) - add)
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81
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82 #endif
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83
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84 #define ngx_memory_barrier() OSMemoryBarrier()
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85
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86 #define ngx_cpu_pause()
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87
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88 typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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89
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90
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91 #elif (NGX_HAVE_GCC_ATOMIC)
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92
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93 /* GCC 4.1 builtin atomic operations */
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94
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95 #define NGX_HAVE_ATOMIC_OPS 1
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96
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97 typedef long ngx_atomic_int_t;
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98 typedef unsigned long ngx_atomic_uint_t;
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99
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100 #if (NGX_PTR_SIZE == 8)
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101 #define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1)
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102 #else
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103 #define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1)
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104 #endif
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105
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106 typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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107
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108
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109 #define ngx_atomic_cmp_set(lock, old, set) \
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110 __sync_bool_compare_and_swap(lock, old, set)
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111
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112 #define ngx_atomic_fetch_add(value, add) \
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113 __sync_fetch_and_add(value, add)
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114
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115 #define ngx_memory_barrier() __sync_synchronize()
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116
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117 #if ( __i386__ || __i386 || __amd64__ || __amd64 )
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118 #define ngx_cpu_pause() __asm__ ("pause")
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119 #else
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120 #define ngx_cpu_pause()
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121 #endif
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122
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123
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124 #elif ( __i386__ || __i386 )
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125
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126 typedef int32_t ngx_atomic_int_t;
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127 typedef uint32_t ngx_atomic_uint_t;
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128 typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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129 #define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1)
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131
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132 #if ( __SUNPRO_C )
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975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
133
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
134 #define NGX_HAVE_ATOMIC_OPS 1
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
135
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
136 ngx_atomic_uint_t
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
137 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
138 ngx_atomic_uint_t set);
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
139
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
140 ngx_atomic_int_t
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
141 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add);
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
142
1309
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
143 /*
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
144 * Sun Studio 12 exits with segmentation fault on '__asm ("pause")',
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
145 * so ngx_cpu_pause is declared in src/os/unix/ngx_sunpro_x86.il
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
146 */
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
147
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
148 void
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
149 ngx_cpu_pause(void);
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
150
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
151 /* the code in src/os/unix/ngx_sunpro_x86.il */
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
152
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 561
diff changeset
153 #define ngx_memory_barrier() __asm (".volatile"); __asm (".nonvolatile")
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 561
diff changeset
154
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
155
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
156 #else /* ( __GNUC__ || __INTEL_COMPILER ) */
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
157
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
158 #define NGX_HAVE_ATOMIC_OPS 1
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
159
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
160 #include "ngx_gcc_atomic_x86.h"
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
161
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
162 #endif
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
163
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
164
547
818fbd4750b9 nginx-0.2.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 525
diff changeset
165 #elif ( __amd64__ || __amd64 )
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
166
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
167 typedef int64_t ngx_atomic_int_t;
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
168 typedef uint64_t ngx_atomic_uint_t;
495
fc9909c369b2 nginx-0.1.22-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
169 typedef volatile ngx_atomic_uint_t ngx_atomic_t;
3165
7658e9c7e814 use parents around NGX_ATOMIC_T_LEN value
Igor Sysoev <igor@sysoev.ru>
parents: 2133
diff changeset
170 #define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1)
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
171
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
172
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
173 #if ( __SUNPRO_C )
435
5cdc4838d4e8 nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
174
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
175 #define NGX_HAVE_ATOMIC_OPS 1
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
176
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
177 ngx_atomic_uint_t
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
178 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
179 ngx_atomic_uint_t set);
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
180
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
181 ngx_atomic_int_t
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
182 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add);
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
183
1309
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
184 /*
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
185 * Sun Studio 12 exits with segmentation fault on '__asm ("pause")',
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
186 * so ngx_cpu_pause is declared in src/os/unix/ngx_sunpro_amd64.il
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
187 */
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
188
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
189 void
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
190 ngx_cpu_pause(void);
08c6ee7a1b11 Sun Studio 12 compatibility
Igor Sysoev <igor@sysoev.ru>
parents: 1308
diff changeset
191
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
192 /* the code in src/os/unix/ngx_sunpro_amd64.il */
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
193
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 561
diff changeset
194 #define ngx_memory_barrier() __asm (".volatile"); __asm (".nonvolatile")
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 561
diff changeset
195
435
5cdc4838d4e8 nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
196
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
197 #else /* ( __GNUC__ || __INTEL_COMPILER ) */
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
198
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
199 #define NGX_HAVE_ATOMIC_OPS 1
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
200
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
201 #include "ngx_gcc_atomic_amd64.h"
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
202
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
203 #endif
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
204
301
744965ec6275 nginx-0.0.3-2004-03-31-19:26:46 import
Igor Sysoev <igor@sysoev.ru>
parents: 300
diff changeset
205
1308
63fa39cf8bd0 --with-cpu-opt=sparc32 and --with-cpu-opt=sparc64
Igor Sysoev <igor@sysoev.ru>
parents: 940
diff changeset
206 #elif ( __sparc__ || __sparc || __sparcv9 )
425
bd39260a1383 nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 373
diff changeset
207
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
208 #if (NGX_PTR_SIZE == 8)
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
209
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
210 typedef int64_t ngx_atomic_int_t;
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
211 typedef uint64_t ngx_atomic_uint_t;
3165
7658e9c7e814 use parents around NGX_ATOMIC_T_LEN value
Igor Sysoev <igor@sysoev.ru>
parents: 2133
diff changeset
212 #define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1)
435
5cdc4838d4e8 nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
213
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
214 #else
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
215
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
216 typedef int32_t ngx_atomic_int_t;
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
217 typedef uint32_t ngx_atomic_uint_t;
3165
7658e9c7e814 use parents around NGX_ATOMIC_T_LEN value
Igor Sysoev <igor@sysoev.ru>
parents: 2133
diff changeset
218 #define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1)
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
219
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
220 #endif
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
221
495
fc9909c369b2 nginx-0.1.22-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
222 typedef volatile ngx_atomic_uint_t ngx_atomic_t;
425
bd39260a1383 nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 373
diff changeset
223
bd39260a1383 nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 373
diff changeset
224
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
225 #if ( __SUNPRO_C )
425
bd39260a1383 nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 373
diff changeset
226
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
227 #define NGX_HAVE_ATOMIC_OPS 1
425
bd39260a1383 nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 373
diff changeset
228
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
229 #include "ngx_sunpro_atomic_sparc64.h"
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
230
425
bd39260a1383 nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 373
diff changeset
231
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
232 #else /* ( __GNUC__ || __INTEL_COMPILER ) */
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
233
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
234 #define NGX_HAVE_ATOMIC_OPS 1
425
bd39260a1383 nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 373
diff changeset
235
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
236 #include "ngx_gcc_atomic_sparc64.h"
425
bd39260a1383 nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents: 373
diff changeset
237
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
238 #endif
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
239
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
240
613
c73c5c58c619 nginx-0.3.28-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 611
diff changeset
241 #elif ( __powerpc__ || __POWERPC__ )
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
242
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
243 #define NGX_HAVE_ATOMIC_OPS 1
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
244
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
245 #if (NGX_PTR_SIZE == 8)
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
246
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
247 typedef int64_t ngx_atomic_int_t;
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
248 typedef uint64_t ngx_atomic_uint_t;
3165
7658e9c7e814 use parents around NGX_ATOMIC_T_LEN value
Igor Sysoev <igor@sysoev.ru>
parents: 2133
diff changeset
249 #define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1)
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
250
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
251 #else
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
252
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
253 typedef int32_t ngx_atomic_int_t;
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
254 typedef uint32_t ngx_atomic_uint_t;
3165
7658e9c7e814 use parents around NGX_ATOMIC_T_LEN value
Igor Sysoev <igor@sysoev.ru>
parents: 2133
diff changeset
255 #define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1)
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
256
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
257 #endif
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
258
495
fc9909c369b2 nginx-0.1.22-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
259 typedef volatile ngx_atomic_uint_t ngx_atomic_t;
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
260
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
261
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
262 #include "ngx_gcc_atomic_ppc.h"
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
263
939
782cf4c13b8d use MacOSX atomic(3) and barrier(3) operations
Igor Sysoev <igor@sysoev.ru>
parents: 613
diff changeset
264 #endif
782cf4c13b8d use MacOSX atomic(3) and barrier(3) operations
Igor Sysoev <igor@sysoev.ru>
parents: 613
diff changeset
265
493
975f62e77f02 nginx-0.1.21-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
266
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
267 #if !(NGX_HAVE_ATOMIC_OPS)
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
268
435
5cdc4838d4e8 nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
269 #define NGX_HAVE_ATOMIC_OPS 0
5cdc4838d4e8 nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
270
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
271 typedef int32_t ngx_atomic_int_t;
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
272 typedef uint32_t ngx_atomic_uint_t;
495
fc9909c369b2 nginx-0.1.22-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
273 typedef volatile ngx_atomic_uint_t ngx_atomic_t;
3165
7658e9c7e814 use parents around NGX_ATOMIC_T_LEN value
Igor Sysoev <igor@sysoev.ru>
parents: 2133
diff changeset
274 #define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1)
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
275
435
5cdc4838d4e8 nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
276
495
fc9909c369b2 nginx-0.1.22-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
277 static ngx_inline ngx_atomic_uint_t
fc9909c369b2 nginx-0.1.22-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 493
diff changeset
278 ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
6474
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
279 ngx_atomic_uint_t set)
435
5cdc4838d4e8 nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
280 {
6474
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
281 if (*lock == old) {
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
282 *lock = set;
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
283 return 1;
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
284 }
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
285
6474
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
286 return 0;
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
287 }
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
288
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
289
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
290 static ngx_inline ngx_atomic_int_t
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
291 ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
292 {
6474
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
293 ngx_atomic_int_t old;
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
294
6474
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
295 old = *value;
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
296 *value += add;
561
e48ebafc6939 nginx-0.3.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 551
diff changeset
297
6474
Ruslan Ermilov <ru@nginx.com>
parents: 4759
diff changeset
298 return old;
435
5cdc4838d4e8 nginx-0.0.11-2004-09-22-20:18:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 433
diff changeset
299 }
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
300
571
458b6c3fea65 nginx-0.3.7-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
301 #define ngx_memory_barrier()
611
3f8a2132b93d nginx-0.3.27-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 571
diff changeset
302 #define ngx_cpu_pause()
571
458b6c3fea65 nginx-0.3.7-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
303
266
5238e93961a1 nginx-0.0.2-2004-02-23-23:57:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 213
diff changeset
304 #endif
212
679f60139863 nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
305
939
782cf4c13b8d use MacOSX atomic(3) and barrier(3) operations
Igor Sysoev <igor@sysoev.ru>
parents: 613
diff changeset
306
611
3f8a2132b93d nginx-0.3.27-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 571
diff changeset
307 void ngx_spinlock(ngx_atomic_t *lock, ngx_atomic_int_t value, ngx_uint_t spin);
373
018569a8f09c nginx-0.0.7-2004-06-30-19:30:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 371
diff changeset
308
371
780e93985b93 nginx-0.0.7-2004-06-28-20:05:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 370
diff changeset
309 #define ngx_trylock(lock) (*(lock) == 0 && ngx_atomic_cmp_set(lock, 0, 1))
780e93985b93 nginx-0.0.7-2004-06-28-20:05:02 import
Igor Sysoev <igor@sysoev.ru>
parents: 370
diff changeset
310 #define ngx_unlock(lock) *(lock) = 0
370
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 302
diff changeset
311
54f76b0b8dca nginx-0.0.7-2004-06-27-22:01:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 302
diff changeset
312
212
679f60139863 nginx-0.0.1-2003-12-19-11:15:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
313 #endif /* _NGX_ATOMIC_H_INCLUDED_ */