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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* | |
| 3 * The contents of this file are subject to the Mozilla Public | |
| 4 * License Version 1.1 (the "License"); you may not use this file | |
| 5 * except in compliance with the License. You may obtain a copy of | |
| 6 * the License at http://www.mozilla.org/MPL/ | |
| 7 * | |
| 8 * Software distributed under the License is distributed on an "AS | |
| 9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or | |
| 10 * implied. See the License for the specific language governing | |
| 11 * rights and limitations under the License. | |
| 12 * | |
| 13 * The Original Code is the Netscape Portable Runtime (NSPR). | |
| 14 * | |
| 15 * The Initial Developer of the Original Code is Netscape | |
| 16 * Communications Corporation. Portions created by Netscape are | |
| 17 * Copyright (C) 1998-2000 Netscape Communications Corporation. All | |
| 18 * Rights Reserved. | |
| 19 * | |
| 20 * Contributor(s): | |
| 21 * | |
| 22 * Alternatively, the contents of this file may be used under the | |
| 23 * terms of the GNU General Public License Version 2 or later (the | |
| 24 * "GPL"), in which case the provisions of the GPL are applicable | |
| 25 * instead of those above. If you wish to allow use of your | |
| 26 * version of this file only under the terms of the GPL and not to | |
| 27 * allow others to use your version of this file under the MPL, | |
| 28 * indicate your decision by deleting the provisions above and | |
| 29 * replace them with the notice and other provisions required by | |
| 30 * the GPL. If you do not delete the provisions above, a recipient | |
| 31 * may use your version of this file under either the MPL or the | |
| 32 * GPL. | |
| 33 */ | |
| 34 | |
| 35 #ifndef nspr_pthread_defs_h___ | |
| 36 #define nspr_pthread_defs_h___ | |
| 37 | |
| 38 #include <pthread.h> | |
| 39 #include "prthread.h" | |
| 40 | |
| 41 #if defined(PTHREADS_USER) | |
| 42 /* | |
| 43 ** Thread Local Storage | |
| 44 */ | |
| 45 extern pthread_key_t current_thread_key; | |
| 46 extern pthread_key_t current_cpu_key; | |
| 47 extern pthread_key_t last_thread_key; | |
| 48 extern pthread_key_t intsoff_key; | |
| 49 | |
| 50 #define _MD_CURRENT_THREAD() \ | |
| 51 ((struct PRThread *) pthread_getspecific(current_thread_
key)) | |
| 52 #define _MD_CURRENT_CPU() \ | |
| 53 ((struct _PRCPU *) pthread_getspecific(current_cpu_key)) | |
| 54 #define _MD_LAST_THREAD() \ | |
| 55 ((struct PRThread *) pthread_getspecific(last_thread_key
)) | |
| 56 | |
| 57 #define _MD_SET_CURRENT_THREAD(newval) \ | |
| 58 pthread_setspecific(current_thread_key, (void *)newval) | |
| 59 | |
| 60 #define _MD_SET_CURRENT_CPU(newval) \ | |
| 61 pthread_setspecific(current_cpu_key, (void *)newval) | |
| 62 | |
| 63 #define _MD_SET_LAST_THREAD(newval) \ | |
| 64 pthread_setspecific(last_thread_key, (void *)newval) | |
| 65 | |
| 66 #define _MD_SET_INTSOFF(_val) | |
| 67 #define _MD_GET_INTSOFF() 1 | |
| 68 | |
| 69 /* | |
| 70 ** Initialize the thread context preparing it to execute _main. | |
| 71 */ | |
| 72 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
| 73 PR_BEGIN_MACRO
\ | |
| 74 *status = PR_TRUE;
\ | |
| 75 if (SAVE_CONTEXT(_thread)) {
\ | |
| 76 (*_main)();
\ | |
| 77 }
\ | |
| 78 _MD_SET_THR_SP(_thread, _sp);
\ | |
| 79 _thread->no_sched = 0;
\ | |
| 80 PR_END_MACRO | |
| 81 | |
| 82 #define _MD_SWITCH_CONTEXT(_thread)
\ | |
| 83 PR_BEGIN_MACRO
\ | |
| 84 PR_ASSERT(_thread->no_sched);
\ | |
| 85 if (!SAVE_CONTEXT(_thread)) {
\ | |
| 86 (_thread)->md.errcode = errno;
\ | |
| 87 _MD_SET_LAST_THREAD(_thread);
\ | |
| 88 _PR_Schedule();
\ | |
| 89 } else {
\ | |
| 90 (_MD_LAST_THREAD())->no_sched = 0;
\ | |
| 91 }
\ | |
| 92 PR_END_MACRO | |
| 93 | |
| 94 /* | |
| 95 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
| 96 */ | |
| 97 #define _MD_RESTORE_CONTEXT(_thread)
\ | |
| 98 PR_BEGIN_MACRO
\ | |
| 99 errno = (_thread)->md.errcode;
\ | |
| 100 _MD_SET_CURRENT_THREAD(_thread);
\ | |
| 101 _thread->no_sched = 1;
\ | |
| 102 GOTO_CONTEXT(_thread);
\ | |
| 103 PR_END_MACRO | |
| 104 | |
| 105 | |
| 106 /* Machine-dependent (MD) data structures */ | |
| 107 | |
| 108 struct _MDThread { | |
| 109 jmp_buf jb; | |
| 110 int id; | |
| 111 int errcode; | |
| 112 pthread_t pthread; | |
| 113 pthread_mutex_t pthread_mutex; | |
| 114 pthread_cond_t pthread_cond; | |
| 115 int wait; | |
| 116 }; | |
| 117 | |
| 118 struct _MDThreadStack { | |
| 119 PRInt8 notused; | |
| 120 }; | |
| 121 | |
| 122 struct _MDLock { | |
| 123 pthread_mutex_t mutex; | |
| 124 }; | |
| 125 | |
| 126 struct _MDSemaphore { | |
| 127 PRInt8 notused; | |
| 128 }; | |
| 129 | |
| 130 struct _MDCVar { | |
| 131 pthread_mutex_t mutex; | |
| 132 }; | |
| 133 | |
| 134 struct _MDSegment { | |
| 135 PRInt8 notused; | |
| 136 }; | |
| 137 | |
| 138 /* | |
| 139 * md-specific cpu structure field | |
| 140 */ | |
| 141 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
| 142 | |
| 143 struct _MDCPU_Unix { | |
| 144 PRCList ioQ; | |
| 145 PRUint32 ioq_timeout; | |
| 146 PRInt32 ioq_max_osfd; | |
| 147 PRInt32 ioq_osfd_cnt; | |
| 148 #ifndef _PR_USE_POLL | |
| 149 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
| 150 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
| 151 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
| 152 #else | |
| 153 struct pollfd *ioq_pollfds; | |
| 154 int ioq_pollfds_size; | |
| 155 #endif /* _PR_USE_POLL */ | |
| 156 }; | |
| 157 | |
| 158 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
| 159 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
| 160 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
| 161 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
| 162 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
| 163 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
| 164 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
| 165 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
| 166 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
| 167 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
| 168 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
| 169 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
| 170 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
| 171 | |
| 172 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
| 173 | |
| 174 struct _MDCPU { | |
| 175 jmp_buf jb; | |
| 176 pthread_t pthread; | |
| 177 struct _MDCPU_Unix md_unix; | |
| 178 }; | |
| 179 | |
| 180 /* | |
| 181 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
| 182 #define _MD_FREE_LOCK(lock) | |
| 183 #define _MD_LOCK(lock) | |
| 184 #define _MD_UNLOCK(lock) | |
| 185 */ | |
| 186 | |
| 187 extern pthread_mutex_t _pr_heapLock; | |
| 188 | |
| 189 #define _PR_LOCK(lock) pthread_mutex_lock(lock) | |
| 190 | |
| 191 #define _PR_UNLOCK(lock) pthread_mutex_unlock(lock) | |
| 192 | |
| 193 | |
| 194 #define _PR_LOCK_HEAP() {
\ | |
| 195 if (_pr_primordialCPU) {
\ | |
| 196 _PR_LOCK(_pr_heapLock);
\ | |
| 197 } | |
| 198 | |
| 199 #define _PR_UNLOCK_HEAP() if (_pr_primordialCPU) { \ | |
| 200 _PR_UNLOCK(_pr_heapLock);
\ | |
| 201 }
\ | |
| 202 } | |
| 203 | |
| 204 NSPR_API(PRStatus) _MD_NEW_LOCK(struct _MDLock *md); | |
| 205 NSPR_API(void) _MD_FREE_LOCK(struct _MDLock *lockp); | |
| 206 | |
| 207 #define _MD_LOCK(_lockp) _PR_LOCK(&(_lockp)->mutex) | |
| 208 #define _MD_UNLOCK(_lockp) _PR_UNLOCK(&(_lockp)->mutex) | |
| 209 | |
| 210 #define _MD_INIT_IO() | |
| 211 #define _MD_IOQ_LOCK() | |
| 212 #define _MD_IOQ_UNLOCK() | |
| 213 #define _MD_CHECK_FOR_EXIT() | |
| 214 | |
| 215 NSPR_API(PRStatus) _MD_InitThread(struct PRThread *thread); | |
| 216 #define _MD_INIT_THREAD _MD_InitThread | |
| 217 #define _MD_INIT_ATTACHED_THREAD _MD_InitThread | |
| 218 | |
| 219 NSPR_API(void) _MD_ExitThread(struct PRThread *thread); | |
| 220 #define _MD_EXIT_THREAD _MD_ExitThread | |
| 221 | |
| 222 NSPR_API(void) _MD_SuspendThread(struct PRThread *thread); | |
| 223 #define _MD_SUSPEND_THREAD _MD_SuspendThread | |
| 224 | |
| 225 NSPR_API(void) _MD_ResumeThread(struct PRThread *thread); | |
| 226 #define _MD_RESUME_THREAD _MD_ResumeThread | |
| 227 | |
| 228 NSPR_API(void) _MD_SuspendCPU(struct _PRCPU *thread); | |
| 229 #define _MD_SUSPEND_CPU _MD_SuspendCPU | |
| 230 | |
| 231 NSPR_API(void) _MD_ResumeCPU(struct _PRCPU *thread); | |
| 232 #define _MD_RESUME_CPU _MD_ResumeCPU | |
| 233 | |
| 234 #define _MD_BEGIN_SUSPEND_ALL() | |
| 235 #define _MD_END_SUSPEND_ALL() | |
| 236 #define _MD_BEGIN_RESUME_ALL() | |
| 237 #define _MD_END_RESUME_ALL() | |
| 238 | |
| 239 NSPR_API(void) _MD_EarlyInit(void); | |
| 240 #define _MD_EARLY_INIT _MD_EarlyInit | |
| 241 | |
| 242 #define _MD_FINAL_INIT _PR_UnixInit | |
| 243 | |
| 244 NSPR_API(void) _MD_InitLocks(void); | |
| 245 #define _MD_INIT_LOCKS _MD_InitLocks | |
| 246 | |
| 247 NSPR_API(void) _MD_CleanThread(struct PRThread *thread); | |
| 248 #define _MD_CLEAN_THREAD _MD_CleanThread | |
| 249 | |
| 250 NSPR_API(PRStatus) _MD_CreateThread( | |
| 251 struct PRThread *thread, | |
| 252 void (*start) (void *), | |
| 253 PRThreadPriority priority, | |
| 254 PRThreadScope scope, | |
| 255 PRThreadState state, | |
| 256 PRUint32 stackSize); | |
| 257 #define _MD_CREATE_THREAD _MD_CreateThread | |
| 258 | |
| 259 extern void _MD_CleanupBeforeExit(void); | |
| 260 #define _MD_CLEANUP_BEFORE_EXIT _MD_CleanupBeforeExit | |
| 261 | |
| 262 NSPR_API(void) _MD_InitRunningCPU(struct _PRCPU *cpu); | |
| 263 #define _MD_INIT_RUNNING_CPU _MD_InitRunningCPU | |
| 264 | |
| 265 /* The _PR_MD_WAIT_LOCK and _PR_MD_WAKEUP_WAITER functions put to sleep and | |
| 266 * awaken a thread which is waiting on a lock or cvar. | |
| 267 */ | |
| 268 NSPR_API(PRStatus) _MD_wait(struct PRThread *, PRIntervalTime timeout); | |
| 269 #define _MD_WAIT _MD_wait | |
| 270 | |
| 271 NSPR_API(PRStatus) _MD_WakeupWaiter(struct PRThread *); | |
| 272 #define _MD_WAKEUP_WAITER _MD_WakeupWaiter | |
| 273 | |
| 274 NSPR_API(void) _MD_SetPriority(struct _MDThread *thread, | |
| 275 PRThreadPriority newPri); | |
| 276 #define _MD_SET_PRIORITY _MD_SetPriority | |
| 277 | |
| 278 #endif /* PTHREADS_USER */ | |
| 279 | |
| 280 #endif /* nspr_pthread_defs_h___ */ | |
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Chromium Code Reviews
Issue 665543002:
Remove third_party/npapi/npspy. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master