Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===----------------------------------------------------------------------===// |
| 3 | // |
| 4 | // The LLVM Compiler Infrastructure |
| 5 | // |
| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 | // Source Licenses. See LICENSE.TXT for details. |
| 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #ifndef _LIBCPP_THREADING_SUPPORT |
| 12 | #define _LIBCPP_THREADING_SUPPORT |
| 13 | |
| 14 | #include <__config> |
| 15 | |
| 16 | #ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER |
| 17 | #pragma GCC system_header |
| 18 | #endif |
| 19 | |
| 20 | #ifndef _LIBCPP_HAS_NO_THREADS |
| 21 | |
Asiri Rathnayake | 4f2c83f | 2016-10-14 13:56:58 +0000 | [diff] [blame] | 22 | #ifndef __libcpp_has_include |
| 23 | #ifndef __has_include |
| 24 | #define __libcpp_has_include(x) 0 |
| 25 | #else |
| 26 | #define __libcpp_has_include(x) __has_include(x) |
| 27 | #endif |
Asiri Rathnayake | f6600b7 | 2016-09-13 09:32:32 +0000 | [diff] [blame] | 28 | #endif |
| 29 | |
Asiri Rathnayake | 4f2c83f | 2016-10-14 13:56:58 +0000 | [diff] [blame] | 30 | #if defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) && \ |
| 31 | __libcpp_has_include(<__external_threading>) |
| 32 | #include <__external_threading> |
| 33 | #else |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 34 | |
| 35 | #if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 36 | #include <pthread.h> |
| 37 | #include <sched.h> |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 38 | #endif |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 39 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 40 | #if defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) |
| 41 | #define _LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_FUNC_VIS |
| 42 | #else |
| 43 | #define _LIBCPP_THREAD_ABI_VISIBILITY inline _LIBCPP_INLINE_VISIBILITY |
| 44 | #endif |
| 45 | |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 46 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 47 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 48 | #if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 49 | // Mutex |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 50 | typedef pthread_mutex_t __libcpp_mutex_t; |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 51 | #define _LIBCPP_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 52 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 53 | // Condition Variable |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 54 | typedef pthread_cond_t __libcpp_condvar_t; |
| 55 | #define _LIBCPP_CONDVAR_INITIALIZER PTHREAD_COND_INITIALIZER |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 56 | |
| 57 | // THread ID |
| 58 | typedef pthread_t __libcpp_thread_id; |
| 59 | |
| 60 | // Thread |
| 61 | typedef pthread_t __libcpp_thread_t; |
| 62 | |
| 63 | // Thrad Local Storage |
| 64 | typedef pthread_key_t __libcpp_tls_key; |
| 65 | #endif |
| 66 | |
| 67 | // Mutex |
| 68 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 69 | int __libcpp_recursive_mutex_init(__libcpp_mutex_t *__m); |
| 70 | |
| 71 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 72 | int __libcpp_mutex_lock(__libcpp_mutex_t *__m); |
| 73 | |
| 74 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 75 | int __libcpp_mutex_trylock(__libcpp_mutex_t *__m); |
| 76 | |
| 77 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 78 | int __libcpp_mutex_unlock(__libcpp_mutex_t *__m); |
| 79 | |
| 80 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 81 | int __libcpp_mutex_destroy(__libcpp_mutex_t *__m); |
| 82 | |
| 83 | // Condition variable |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 84 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 85 | int __libcpp_condvar_signal(__libcpp_condvar_t* __cv); |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 86 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 87 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 88 | int __libcpp_condvar_broadcast(__libcpp_condvar_t* __cv); |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 89 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 90 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 91 | int __libcpp_condvar_wait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m); |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 92 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 93 | _LIBCPP_THREAD_ABI_VISIBILITY |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 94 | int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m, |
| 95 | timespec *__ts); |
| 96 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 97 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 98 | int __libcpp_condvar_destroy(__libcpp_condvar_t* __cv); |
| 99 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 100 | // Thread ID |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 101 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 102 | bool __libcpp_thread_id_equal(__libcpp_thread_id t1, __libcpp_thread_id t2); |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 103 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 104 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 105 | bool __libcpp_thread_id_less(__libcpp_thread_id t1, __libcpp_thread_id t2); |
| 106 | |
| 107 | // Thread |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 108 | _LIBCPP_THREAD_ABI_VISIBILITY |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 109 | int __libcpp_thread_create(__libcpp_thread_t *__t, void *(*__func)(void *), |
| 110 | void *__arg); |
| 111 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 112 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 113 | __libcpp_thread_id __libcpp_thread_get_current_id(); |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 114 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 115 | _LIBCPP_THREAD_ABI_VISIBILITY |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 116 | __libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t *__t); |
| 117 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 118 | _LIBCPP_THREAD_ABI_VISIBILITY |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 119 | int __libcpp_thread_join(__libcpp_thread_t *__t); |
| 120 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 121 | _LIBCPP_THREAD_ABI_VISIBILITY |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 122 | int __libcpp_thread_detach(__libcpp_thread_t *__t); |
| 123 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 124 | _LIBCPP_THREAD_ABI_VISIBILITY |
| 125 | void __libcpp_thread_yield(); |
| 126 | |
| 127 | // Thread local storage |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 128 | _LIBCPP_THREAD_ABI_VISIBILITY |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 129 | int __libcpp_tls_create(__libcpp_tls_key *__key, void (*__at_exit)(void *)); |
| 130 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 131 | _LIBCPP_THREAD_ABI_VISIBILITY |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 132 | void *__libcpp_tls_get(__libcpp_tls_key __key); |
| 133 | |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 134 | _LIBCPP_THREAD_ABI_VISIBILITY |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 135 | void __libcpp_tls_set(__libcpp_tls_key __key, void *__p); |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 136 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 137 | #if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) |
Asiri Rathnayake | 040945b | 2016-09-11 21:46:40 +0000 | [diff] [blame] | 138 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 139 | int __libcpp_recursive_mutex_init(__libcpp_mutex_t *__m) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 140 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 141 | pthread_mutexattr_t attr; |
| 142 | int __ec = pthread_mutexattr_init(&attr); |
| 143 | if (__ec) |
| 144 | return __ec; |
| 145 | __ec = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); |
| 146 | if (__ec) { |
| 147 | pthread_mutexattr_destroy(&attr); |
| 148 | return __ec; |
| 149 | } |
| 150 | __ec = pthread_mutex_init(__m, &attr); |
| 151 | if (__ec) { |
| 152 | pthread_mutexattr_destroy(&attr); |
| 153 | return __ec; |
| 154 | } |
| 155 | __ec = pthread_mutexattr_destroy(&attr); |
| 156 | if (__ec) { |
| 157 | pthread_mutex_destroy(__m); |
| 158 | return __ec; |
| 159 | } |
| 160 | return 0; |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 161 | } |
| 162 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 163 | int __libcpp_mutex_lock(__libcpp_mutex_t *__m) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 164 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 165 | return pthread_mutex_lock(__m); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 166 | } |
| 167 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 168 | int __libcpp_mutex_trylock(__libcpp_mutex_t *__m) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 169 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 170 | return pthread_mutex_trylock(__m); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 171 | } |
| 172 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 173 | int __libcpp_mutex_unlock(__libcpp_mutex_t *__m) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 174 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 175 | return pthread_mutex_unlock(__m); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 176 | } |
| 177 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 178 | int __libcpp_mutex_destroy(__libcpp_mutex_t *__m) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 179 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 180 | return pthread_mutex_destroy(__m); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 181 | } |
| 182 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 183 | // Condition Variable |
| 184 | int __libcpp_condvar_signal(__libcpp_condvar_t *__cv) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 185 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 186 | return pthread_cond_signal(__cv); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 187 | } |
| 188 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 189 | int __libcpp_condvar_broadcast(__libcpp_condvar_t *__cv) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 190 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 191 | return pthread_cond_broadcast(__cv); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 192 | } |
| 193 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 194 | int __libcpp_condvar_wait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 195 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 196 | return pthread_cond_wait(__cv, __m); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 197 | } |
| 198 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 199 | int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m, |
| 200 | timespec *__ts) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 201 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 202 | return pthread_cond_timedwait(__cv, __m, __ts); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 203 | } |
| 204 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 205 | int __libcpp_condvar_destroy(__libcpp_condvar_t *__cv) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 206 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 207 | return pthread_cond_destroy(__cv); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 208 | } |
| 209 | |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 210 | // Returns non-zero if the thread ids are equal, otherwise 0 |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 211 | bool __libcpp_thread_id_equal(__libcpp_thread_id t1, __libcpp_thread_id t2) |
| 212 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 213 | return pthread_equal(t1, t2) != 0; |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | // Returns non-zero if t1 < t2, otherwise 0 |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 217 | bool __libcpp_thread_id_less(__libcpp_thread_id t1, __libcpp_thread_id t2) |
| 218 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 219 | return t1 < t2; |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | // Thread |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 223 | int __libcpp_thread_create(__libcpp_thread_t *__t, void *(*__func)(void *), |
| 224 | void *__arg) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 225 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 226 | return pthread_create(__t, 0, __func, __arg); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 227 | } |
| 228 | |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 229 | __libcpp_thread_id __libcpp_thread_get_current_id() |
| 230 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 231 | return pthread_self(); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 232 | } |
| 233 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 234 | __libcpp_thread_id __libcpp_thread_get_id(const __libcpp_thread_t *__t) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 235 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 236 | return *__t; |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 237 | } |
| 238 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 239 | int __libcpp_thread_join(__libcpp_thread_t *__t) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 240 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 241 | return pthread_join(*__t, 0); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 242 | } |
| 243 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 244 | int __libcpp_thread_detach(__libcpp_thread_t *__t) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 245 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 246 | return pthread_detach(*__t); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 247 | } |
| 248 | |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 249 | void __libcpp_thread_yield() |
| 250 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 251 | sched_yield(); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 252 | } |
| 253 | |
| 254 | // Thread local storage |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 255 | int __libcpp_tls_create(__libcpp_tls_key *__key, void (*__at_exit)(void *)) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 256 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 257 | return pthread_key_create(__key, __at_exit); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 258 | } |
| 259 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 260 | void *__libcpp_tls_get(__libcpp_tls_key __key) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 261 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 262 | return pthread_getspecific(__key); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 263 | } |
| 264 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 265 | void __libcpp_tls_set(__libcpp_tls_key __key, void *__p) |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 266 | { |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 267 | pthread_setspecific(__key, __p); |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 268 | } |
| 269 | |
Saleem Abdulrasool | 1d19237 | 2017-01-03 02:00:31 +0000 | [diff] [blame^] | 270 | #endif // _LIBCPP_HAS_THREAD_API_PTHREAD |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 271 | |
| 272 | _LIBCPP_END_NAMESPACE_STD |
| 273 | |
Asiri Rathnayake | 4f2c83f | 2016-10-14 13:56:58 +0000 | [diff] [blame] | 274 | #endif // !_LIBCPP_HAS_THREAD_API_EXTERNAL || !__libcpp_has_include(<__external_threading>) |
Asiri Rathnayake | 7250d33 | 2016-10-14 13:00:07 +0000 | [diff] [blame] | 275 | |
Asiri Rathnayake | 35ff03b | 2016-05-06 14:06:29 +0000 | [diff] [blame] | 276 | #endif // _LIBCPP_HAS_NO_THREADS |
| 277 | |
| 278 | #endif // _LIBCPP_THREADING_SUPPORT |