_unixware.h 6.4 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 "unixware"
  43. #define _PR_SI_SYSNAME "UnixWare"
  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. #define _PR_POLL_AVAILABLE
  54. #define _PR_USE_POLL
  55. #define _PR_STAT_HAS_ST_ATIM_UNION
  56. #undef HAVE_STACK_GROWING_UP
  57. #define HAVE_NETCONFIG
  58. #define HAVE_DLL
  59. #define USE_DLFCN
  60. #define HAVE_STRERROR
  61. #define NEED_STRFTIME_LOCK
  62. #define NEED_TIME_R
  63. #define _PR_NEED_STRCASECMP
  64. #define USE_SETJMP
  65. #include <setjmp.h>
  66. #define _SETJMP setjmp
  67. #define _LONGJMP longjmp
  68. #define _PR_CONTEXT_TYPE jmp_buf
  69. #define _MD_GET_SP(_t) (_t)->md.context[4]
  70. #define _PR_NUM_GCREGS _JBLEN
  71. #define CONTEXT(_th) ((_th)->md.context)
  72. /*
  73. ** Initialize the thread context preparing it to execute _main.
  74. */
  75. #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
  76. { \
  77. *status = PR_TRUE; \
  78. if(_SETJMP(CONTEXT(_thread))) (*_main)(); \
  79. _MD_GET_SP(_thread) = (int) ((_sp) - 128); \
  80. }
  81. #define _MD_SWITCH_CONTEXT(_thread) \
  82. if (!_SETJMP(CONTEXT(_thread))) { \
  83. (_thread)->md.errcode = errno; \
  84. _PR_Schedule(); \
  85. }
  86. /*
  87. ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
  88. */
  89. #define _MD_RESTORE_CONTEXT(_thread) \
  90. { \
  91. errno = (_thread)->md.errcode; \
  92. _MD_SET_CURRENT_THREAD(_thread); \
  93. _LONGJMP(CONTEXT(_thread), 1); \
  94. }
  95. /* Machine-dependent (MD) data structures.
  96. * Don't use SVR4 native threads (yet).
  97. */
  98. struct _MDThread {
  99. _PR_CONTEXT_TYPE context;
  100. int id;
  101. int errcode;
  102. };
  103. struct _MDThreadStack {
  104. PRInt8 notused;
  105. };
  106. struct _MDLock {
  107. PRInt8 notused;
  108. };
  109. struct _MDSemaphore {
  110. PRInt8 notused;
  111. };
  112. struct _MDCVar {
  113. PRInt8 notused;
  114. };
  115. struct _MDSegment {
  116. PRInt8 notused;
  117. };
  118. /*
  119. * md-specific cpu structure field
  120. */
  121. #define _PR_MD_MAX_OSFD FD_SETSIZE
  122. struct _MDCPU_Unix {
  123. PRCList ioQ;
  124. PRUint32 ioq_timeout;
  125. PRInt32 ioq_max_osfd;
  126. PRInt32 ioq_osfd_cnt;
  127. #ifndef _PR_USE_POLL
  128. fd_set fd_read_set, fd_write_set, fd_exception_set;
  129. PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
  130. fd_exception_cnt[_PR_MD_MAX_OSFD];
  131. #else
  132. struct pollfd *ioq_pollfds;
  133. int ioq_pollfds_size;
  134. #endif /* _PR_USE_POLL */
  135. };
  136. #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
  137. #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
  138. #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
  139. #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
  140. #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
  141. #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
  142. #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
  143. #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
  144. #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
  145. #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
  146. #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
  147. #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
  148. #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
  149. #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
  150. struct _MDCPU {
  151. struct _MDCPU_Unix md_unix;
  152. };
  153. #define _MD_INIT_LOCKS()
  154. #define _MD_NEW_LOCK(lock) PR_SUCCESS
  155. #define _MD_FREE_LOCK(lock)
  156. #define _MD_LOCK(lock)
  157. #define _MD_UNLOCK(lock)
  158. #define _MD_INIT_IO()
  159. #define _MD_IOQ_LOCK()
  160. #define _MD_IOQ_UNLOCK()
  161. /*
  162. * The following are copied from _sunos.h, _aix.h. This means
  163. * some of them should probably be moved into _unixos.h. But
  164. * _irix.h seems to be quite different in regard to these macros.
  165. */
  166. #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
  167. #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
  168. #define _MD_EARLY_INIT _MD_EarlyInit
  169. #define _MD_FINAL_INIT _PR_UnixInit
  170. #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
  171. #define _MD_INIT_THREAD _MD_InitializeThread
  172. #define _MD_EXIT_THREAD(thread)
  173. #define _MD_SUSPEND_THREAD(thread)
  174. #define _MD_RESUME_THREAD(thread)
  175. #define _MD_CLEAN_THREAD(_thread)
  176. /*
  177. * We wrapped the select() call. _MD_SELECT refers to the built-in,
  178. * unwrapped version.
  179. */
  180. #include <sys/time.h>
  181. #include <sys/types.h>
  182. #include <sys/select.h>
  183. extern int _select(int nfds, fd_set *readfds, fd_set *writefds,
  184. fd_set *execptfds, struct timeval *timeout);
  185. #define _MD_SELECT _select
  186. #define _MD_POLL _poll
  187. extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout);
  188. #endif /* nspr_unixware_defs_h___ */