_qnx.h 6.0 KB

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  1. /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
  2. /* ***** BEGIN LICENSE BLOCK *****
  3. * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  4. *
  5. * The contents of this file are subject to the Mozilla Public License Version
  6. * 1.1 (the "License"); you may not use this file except in compliance with
  7. * the License. You may obtain a copy of the License at
  8. * http://www.mozilla.org/MPL/
  9. *
  10. * Software distributed under the License is distributed on an "AS IS" basis,
  11. * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12. * for the specific language governing rights and limitations under the
  13. * License.
  14. *
  15. * The Original Code is the Netscape Portable Runtime (NSPR).
  16. *
  17. * The Initial Developer of the Original Code is
  18. * Netscape Communications Corporation.
  19. * Portions created by the Initial Developer are Copyright (C) 1998-2000
  20. * the Initial Developer. All Rights Reserved.
  21. *
  22. * Contributor(s):
  23. *
  24. * Alternatively, the contents of this file may be used under the terms of
  25. * either the GNU General Public License Version 2 or later (the "GPL"), or
  26. * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27. * in which case the provisions of the GPL or the LGPL are applicable instead
  28. * of those above. If you wish to allow use of your version of this file only
  29. * under the terms of either the GPL or the LGPL, and not to allow others to
  30. * use your version of this file under the terms of the MPL, indicate your
  31. * decision by deleting the provisions above and replace them with the notice
  32. * and other provisions required by the GPL or the LGPL. If you do not delete
  33. * the provisions above, a recipient may use your version of this file under
  34. * the terms of any one of the MPL, the GPL or the LGPL.
  35. *
  36. * ***** END LICENSE BLOCK ***** */
  37. #ifndef nspr_qnx_defs_h___
  38. #define nspr_qnx_defs_h___
  39. /*
  40. ** Internal configuration macros
  41. */
  42. #define PR_LINKER_ARCH "qnx"
  43. #define _PR_SI_SYSNAME "QNX"
  44. #define _PR_SI_ARCHITECTURE "x86"
  45. #define PR_DLL_SUFFIX ".so"
  46. #define _PR_VMBASE 0x30000000
  47. #define _PR_STACK_VMBASE 0x50000000
  48. #define _MD_DEFAULT_STACK_SIZE 65536L
  49. #define _MD_MMAP_FLAGS MAP_PRIVATE
  50. #ifndef HAVE_WEAK_IO_SYMBOLS
  51. #define HAVE_WEAK_IO_SYMBOLS
  52. #endif
  53. #undef _PR_POLL_AVAILABLE
  54. #undef _PR_USE_POLL
  55. #define _PR_HAVE_SOCKADDR_LEN
  56. #define HAVE_BSD_FLOCK
  57. #define _PR_NO_LARGE_FILES
  58. #define _PR_STAT_HAS_ONLY_ST_ATIME
  59. #include <sys/select.h>
  60. #undef HAVE_STACK_GROWING_UP
  61. #undef HAVE_DLL
  62. #undef USE_DLFCN
  63. #define NEED_STRFTIME_LOCK
  64. #define NEED_TIME_R
  65. #define _PR_NEED_STRCASECMP
  66. #ifndef HAVE_STRERROR
  67. #define HAVE_STRERROR
  68. #endif
  69. #define USE_SETJMP
  70. #include <setjmp.h>
  71. #define _SETJMP setjmp
  72. #define _LONGJMP longjmp
  73. #define _PR_CONTEXT_TYPE jmp_buf
  74. #define _PR_NUM_GCREGS _JBLEN
  75. #define _MD_GET_SP(_t) (_t)->md.context[7]
  76. #define CONTEXT(_th) ((_th)->md.context)
  77. /*
  78. ** Initialize the thread context preparing it to execute _main.
  79. */
  80. #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
  81. { \
  82. *status = PR_TRUE; \
  83. if(_SETJMP(CONTEXT(_thread))) (*_main)(); \
  84. _MD_GET_SP(_thread) = (int) ((_sp) - 128); \
  85. }
  86. #define _MD_SWITCH_CONTEXT(_thread) \
  87. if (!_SETJMP(CONTEXT(_thread))) { \
  88. (_thread)->md.errcode = errno; \
  89. _PR_Schedule(); \
  90. }
  91. /*
  92. ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
  93. */
  94. #define _MD_RESTORE_CONTEXT(_thread) \
  95. { \
  96. errno = (_thread)->md.errcode; \
  97. _MD_SET_CURRENT_THREAD(_thread); \
  98. _LONGJMP(CONTEXT(_thread), 1); \
  99. }
  100. /*
  101. ** Machine-dependent (MD) data structures.
  102. */
  103. struct _MDThread {
  104. _PR_CONTEXT_TYPE context;
  105. int id;
  106. int errcode;
  107. };
  108. struct _MDThreadStack {
  109. PRInt8 notused;
  110. };
  111. struct _MDLock {
  112. PRInt8 notused;
  113. };
  114. struct _MDSemaphore {
  115. PRInt8 notused;
  116. };
  117. struct _MDCVar {
  118. PRInt8 notused;
  119. };
  120. struct _MDSegment {
  121. PRInt8 notused;
  122. };
  123. /*
  124. ** md-specific cpu structure field
  125. */
  126. #define _PR_MD_MAX_OSFD FD_SETSIZE
  127. struct _MDCPU_Unix {
  128. PRCList ioQ;
  129. PRUint32 ioq_timeout;
  130. PRInt32 ioq_max_osfd;
  131. PRInt32 ioq_osfd_cnt;
  132. #ifndef _PR_USE_POLL
  133. fd_set fd_read_set, fd_write_set, fd_exception_set;
  134. PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD];
  135. #else
  136. struct pollfd *ioq_pollfds;
  137. int ioq_pollfds_size;
  138. #endif
  139. };
  140. #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
  141. #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
  142. #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
  143. #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
  144. #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
  145. #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
  146. #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
  147. #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
  148. #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
  149. #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
  150. #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
  151. #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
  152. #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
  153. #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
  154. struct _MDCPU {
  155. struct _MDCPU_Unix md_unix;
  156. };
  157. #define _MD_INIT_LOCKS()
  158. #define _MD_NEW_LOCK(lock) PR_SUCCESS
  159. #define _MD_FREE_LOCK(lock)
  160. #define _MD_LOCK(lock)
  161. #define _MD_UNLOCK(lock)
  162. #define _MD_INIT_IO()
  163. #define _MD_IOQ_LOCK()
  164. #define _MD_IOQ_UNLOCK()
  165. #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
  166. #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
  167. #define _MD_EARLY_INIT _MD_EarlyInit
  168. #define _MD_FINAL_INIT _PR_UnixInit
  169. #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
  170. #define _MD_INIT_THREAD _MD_InitializeThread
  171. #define _MD_EXIT_THREAD(thread)
  172. #define _MD_SUSPEND_THREAD(thread)
  173. #define _MD_RESUME_THREAD(thread)
  174. #define _MD_CLEAN_THREAD(_thread)
  175. /*
  176. ** We wrapped the select() call. _MD_SELECT refers to the built-in,
  177. ** unwrapped version.
  178. */
  179. #include <sys/time.h>
  180. #include <sys/types.h>
  181. #include <sys/select.h>
  182. #define _MD_SELECT select
  183. #define SA_RESTART 0
  184. #endif /* nspr_qnx_defs_h___ */