_bsdi.h 6.1 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_bsdi_defs_h___
  38. #define nspr_bsdi_defs_h___
  39. /*
  40. * Internal configuration macros
  41. */
  42. #include <sys/param.h> /* for _BSDI_VERSION */
  43. #define PR_LINKER_ARCH "bsdi"
  44. #define _PR_SI_SYSNAME "BSDI"
  45. #if defined(__i386__)
  46. #define _PR_SI_ARCHITECTURE "x86"
  47. #elif defined(__sparc__)
  48. #define _PR_SI_ARCHITECTURE "sparc"
  49. #else
  50. #error "Unknown CPU architecture"
  51. #endif
  52. #define PR_DLL_SUFFIX ".so"
  53. #define _PR_STACK_VMBASE 0x50000000
  54. #define _MD_DEFAULT_STACK_SIZE 65536L
  55. #define _MD_MMAP_FLAGS MAP_PRIVATE
  56. #define HAVE_BSD_FLOCK
  57. #define NEED_TIME_R
  58. #define _PR_HAVE_SOCKADDR_LEN
  59. #define _PR_NO_LARGE_FILES
  60. #define USE_SETJMP
  61. /* BSD/OS 4.3 and newer all have IPv6 support */
  62. #if _BSDI_VERSION >= 200105
  63. #define _PR_INET6
  64. #define _PR_HAVE_INET_NTOP
  65. #define _PR_HAVE_GETIPNODEBYNAME
  66. #define _PR_HAVE_GETIPNODEBYADDR
  67. #define _PR_HAVE_GETADDRINFO
  68. #define _PR_INET6_PROBE
  69. #endif
  70. #ifndef _PR_PTHREADS
  71. #include <setjmp.h>
  72. #if defined(_PR_BSDI_JMPBUF_IS_ARRAY)
  73. #define _MD_GET_SP(_t) (_t)->md.context[2]
  74. #elif defined(_PR_BSDI_JMPBUF_IS_STRUCT)
  75. #define _MD_GET_SP(_t) (_t)->md.context[0].jb_esp
  76. #else
  77. #error "Unknown BSDI jmp_buf type"
  78. #endif
  79. #define PR_NUM_GCREGS _JBLEN
  80. #define PR_CONTEXT_TYPE jmp_buf
  81. #define CONTEXT(_th) ((_th)->md.context)
  82. #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
  83. { \
  84. *status = PR_TRUE; \
  85. if (setjmp(CONTEXT(_thread))) { \
  86. _main(); \
  87. } \
  88. _MD_GET_SP(_thread) = (int) (_sp - 64); \
  89. }
  90. #define _MD_SWITCH_CONTEXT(_thread) \
  91. if (!setjmp(CONTEXT(_thread))) { \
  92. (_thread)->md.errcode = errno; \
  93. _PR_Schedule(); \
  94. }
  95. /*
  96. ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
  97. */
  98. #define _MD_RESTORE_CONTEXT(_thread) \
  99. { \
  100. errno = (_thread)->md.errcode; \
  101. _MD_SET_CURRENT_THREAD(_thread); \
  102. longjmp(CONTEXT(_thread), 1); \
  103. }
  104. /* Machine-dependent (MD) data structures */
  105. struct _MDThread {
  106. PR_CONTEXT_TYPE context;
  107. int id;
  108. int errcode;
  109. };
  110. struct _MDThreadStack {
  111. PRInt8 notused;
  112. };
  113. struct _MDLock {
  114. PRInt8 notused;
  115. };
  116. struct _MDSemaphore {
  117. PRInt8 notused;
  118. };
  119. struct _MDCVar {
  120. PRInt8 notused;
  121. };
  122. struct _MDSegment {
  123. PRInt8 notused;
  124. };
  125. /*
  126. * md-specific cpu structure field
  127. */
  128. #define _PR_MD_MAX_OSFD FD_SETSIZE
  129. struct _MDCPU_Unix {
  130. PRCList ioQ;
  131. PRUint32 ioq_timeout;
  132. PRInt32 ioq_max_osfd;
  133. PRInt32 ioq_osfd_cnt;
  134. #ifndef _PR_USE_POLL
  135. fd_set fd_read_set, fd_write_set, fd_exception_set;
  136. PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
  137. fd_exception_cnt[_PR_MD_MAX_OSFD];
  138. #else
  139. struct pollfd *ioq_pollfds;
  140. int ioq_pollfds_size;
  141. #endif /* _PR_USE_POLL */
  142. };
  143. #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
  144. #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
  145. #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
  146. #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
  147. #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
  148. #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
  149. #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
  150. #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
  151. #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
  152. #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
  153. #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
  154. #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
  155. #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
  156. #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
  157. struct _MDCPU {
  158. struct _MDCPU_Unix md_unix;
  159. };
  160. #define _MD_INIT_LOCKS()
  161. #define _MD_NEW_LOCK(lock) PR_SUCCESS
  162. #define _MD_FREE_LOCK(lock)
  163. #define _MD_LOCK(lock)
  164. #define _MD_UNLOCK(lock)
  165. #define _MD_INIT_IO()
  166. #define _MD_IOQ_LOCK()
  167. #define _MD_IOQ_UNLOCK()
  168. #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
  169. #define _MD_INIT_THREAD _MD_InitializeThread
  170. #define _MD_EXIT_THREAD(thread)
  171. #define _MD_CLEAN_THREAD(_thread)
  172. #endif /* ! _PR_PTHREADS */
  173. #define _MD_EARLY_INIT _MD_EarlyInit
  174. #define _MD_FINAL_INIT _PR_UnixInit
  175. #include <sys/syscall.h>
  176. #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
  177. #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
  178. #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
  179. #endif /* nspr_bsdi_defs_h___ */