_ncr.h 6.6 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_unixware_defs_h___
  38. #define nspr_unixware_defs_h___
  39. /*
  40. * Internal configuration macros
  41. */
  42. #define PR_LINKER_ARCH "ncr"
  43. #define _PR_SI_SYSNAME "NCR"
  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. #define HAVE_DLL
  51. #define USE_DLFCN
  52. #define _PR_RECV_BROKEN /* recv doesn't work on Unix Domain Sockets */
  53. #if !defined (HAVE_STRERROR)
  54. #define HAVE_STRERROR
  55. #endif
  56. #ifndef HAVE_WEAK_IO_SYMBOLS
  57. #define HAVE_WEAK_IO_SYMBOLS
  58. #endif
  59. #define _PR_POLL_AVAILABLE
  60. #define _PR_USE_POLL
  61. #define _PR_NO_LARGE_FILES
  62. #undef HAVE_STACK_GROWING_UP
  63. #define HAVE_NETCONFIG
  64. #define NEED_STRFTIME_LOCK
  65. #define NEED_TIME_R
  66. #define NEED_LOCALTIME_R
  67. #define NEED_GMTIME_R
  68. #define NEED_ASCTIME_R
  69. #define NEED_STRTOK_R
  70. #define NEED_CTIME_R
  71. #define _PR_NEED_STRCASECMP
  72. #define USE_SETJMP
  73. #include <setjmp.h>
  74. #define _SETJMP setjmp
  75. #define _LONGJMP longjmp
  76. #define _PR_CONTEXT_TYPE jmp_buf
  77. #define _MD_GET_SP(_t) (_t)->md.context[4]
  78. #define _PR_NUM_GCREGS _JBLEN
  79. #define CONTEXT(_th) ((_th)->md.context)
  80. /*
  81. ** Initialize the thread context preparing it to execute _main.
  82. */
  83. #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
  84. { \
  85. *status = PR_TRUE; \
  86. if(_SETJMP(CONTEXT(_thread))) (*_main)(); \
  87. _MD_GET_SP(_thread) = (int) ((_sp) - 128); \
  88. }
  89. #define _MD_SWITCH_CONTEXT(_thread) \
  90. if (!_SETJMP(CONTEXT(_thread))) { \
  91. (_thread)->md.errcode = errno; \
  92. _PR_Schedule(); \
  93. }
  94. /*
  95. ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
  96. */
  97. #define _MD_RESTORE_CONTEXT(_thread) \
  98. { \
  99. errno = (_thread)->md.errcode; \
  100. _MD_SET_CURRENT_THREAD(_thread); \
  101. _LONGJMP(CONTEXT(_thread), 1); \
  102. }
  103. /* Machine-dependent (MD) data structures.
  104. * Don't use SVR4 native threads (yet).
  105. */
  106. struct _MDThread {
  107. _PR_CONTEXT_TYPE context;
  108. int id;
  109. int errcode;
  110. };
  111. struct _MDThreadStack {
  112. PRInt8 notused;
  113. };
  114. struct _MDLock {
  115. PRInt8 notused;
  116. };
  117. struct _MDSemaphore {
  118. PRInt8 notused;
  119. };
  120. struct _MDCVar {
  121. PRInt8 notused;
  122. };
  123. struct _MDSegment {
  124. PRInt8 notused;
  125. };
  126. /*
  127. * md-specific cpu structure field
  128. */
  129. #define _PR_MD_MAX_OSFD FD_SETSIZE
  130. struct _MDCPU_Unix {
  131. PRCList ioQ;
  132. PRUint32 ioq_timeout;
  133. PRInt32 ioq_max_osfd;
  134. PRInt32 ioq_osfd_cnt;
  135. #ifndef _PR_USE_POLL
  136. fd_set fd_read_set, fd_write_set, fd_exception_set;
  137. PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
  138. fd_exception_cnt[_PR_MD_MAX_OSFD];
  139. #else
  140. struct pollfd *ioq_pollfds;
  141. int ioq_pollfds_size;
  142. #endif /* _PR_USE_POLL */
  143. };
  144. #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
  145. #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
  146. #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
  147. #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
  148. #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
  149. #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
  150. #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
  151. #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
  152. #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
  153. #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
  154. #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
  155. #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
  156. #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
  157. #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
  158. struct _MDCPU {
  159. struct _MDCPU_Unix md_unix;
  160. };
  161. #define _MD_INIT_LOCKS()
  162. #define _MD_NEW_LOCK(lock) PR_SUCCESS
  163. #define _MD_FREE_LOCK(lock)
  164. #define _MD_LOCK(lock)
  165. #define _MD_UNLOCK(lock)
  166. #define _MD_INIT_IO()
  167. #define _MD_IOQ_LOCK()
  168. #define _MD_IOQ_UNLOCK()
  169. /*
  170. * The following are copied from _sunos.h, _aix.h. This means
  171. * some of them should probably be moved into _unixos.h. But
  172. * _irix.h seems to be quite different in regard to these macros.
  173. */
  174. #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
  175. #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
  176. #define _MD_EARLY_INIT _MD_EarlyInit
  177. #define _MD_FINAL_INIT _PR_UnixInit
  178. #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
  179. #define _MD_INIT_THREAD _MD_InitializeThread
  180. #define _MD_EXIT_THREAD(thread)
  181. #define _MD_SUSPEND_THREAD(thread)
  182. #define _MD_RESUME_THREAD(thread)
  183. #define _MD_CLEAN_THREAD(_thread)
  184. /*
  185. * We wrapped the select() call. _MD_SELECT refers to the built-in,
  186. * unwrapped version.
  187. */
  188. #include <sys/time.h>
  189. #include <sys/types.h>
  190. #include <sys/select.h>
  191. extern int _select(int nfds, fd_set *readfds, fd_set *writefds,
  192. fd_set *execptfds, struct timeval *timeout);
  193. #define _MD_SELECT _select
  194. #define _MD_POLL _poll
  195. extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout);
  196. #endif /* nspr_ncr_defs_h */