third_party/npapi/npspy/extern/nspr/md/_scoos.h

   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_scoos5_defs_h___
  36 #define nspr_scoos5_defs_h___
  37
  38 /*
  39  * Internal configuration macros
  40  */
  41
  42 #define PR_LINKER_ARCH  "scoos5"
  43 #define PR_DLL_SUFFIX           ".so"
  44
  45 #define _PR_SI_SYSNAME      "SCO"
  46 #define _PR_SI_ARCHITECTURE "x86"
  47 #define _PR_STACK_VMBASE    0x50000000
  48
  49 #define _MD_DEFAULT_STACK_SIZE  65536L
  50 #define _MD_MMAP_FLAGS          MAP_PRIVATE
  51
  52 #undef  HAVE_STACK_GROWING_UP
  53 #define HAVE_DLL
  54 #define USE_DLFCN
  55
  56 #if !defined (HAVE_STRERROR)
  57 #define HAVE_STRERROR
  58 #endif
  59
  60 #ifndef HAVE_WEAK_IO_SYMBOLS
  61 #define HAVE_WEAK_IO_SYMBOLS
  62 #endif
  63
  64 #define _PR_POLL_AVAILABLE
  65 #define _PR_USE_POLL
  66 #define _PR_NO_LARGE_FILES
  67 #define _PR_STAT_HAS_ONLY_ST_ATIME
  68
  69 #define NEED_STRFTIME_LOCK
  70 #define NEED_TIME_R
  71 #define _PR_RECV_BROKEN /* recv doesn't work on Unix Domain Sockets */
  72
  73 #define USE_SETJMP
  74
  75 #ifdef _PR_LOCAL_THREADS_ONLY
  76 #include <setjmp.h>
  77
  78 #define _MD_GET_SP(_t)  (_t)->md.jb[4]
  79 #define PR_NUM_GCREGS   _SIGJBLEN
  80 #define PR_CONTEXT_TYPE sigjmp_buf
  81
  82 #define CONTEXT(_th) ((_th)->md.jb)
  83
  84 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)                           \
  85 {                                                                                                                                       \
  86         *status = PR_TRUE;                                                                                              \
  87     if (sigsetjmp(CONTEXT(_thread),1)) {                                                        \
  88                 (*_main)();                                                                                             \
  89     }                                                                                                                           \
  90     _MD_GET_SP(_thread) = (int) ((_sp) - 64);   \
  91 }
  92
  93 #define _MD_SWITCH_CONTEXT(_thread)                                                             \
  94     if (!sigsetjmp(CONTEXT(_thread), 1)) {                                                      \
  95                 (_thread)->md.errcode = errno;                                                          \
  96                 _PR_Schedule();                                                                                 \
  97     }
  98
  99 /*
 100 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
 101 */
 102 #define _MD_RESTORE_CONTEXT(_thread)                                                            \
 103 {                                                                                                                               \
 104     errno = (_thread)->osErrorCode;                                                             \
 105         _MD_SET_CURRENT_THREAD(_thread);                                                                \
 106     siglongjmp(CONTEXT(_thread), 1);                                                            \
 107 }
 108
 109 #endif /* _PR_LOCAL_THREADS_ONLY */
 110
 111 struct _MDThread {
 112     jmp_buf jb;
 113     int id;
 114     int errcode;
 115 };
 116
 117 struct _MDThreadStack {
 118     PRInt8 notused;
 119 };
 120
 121 struct _MDLock {
 122     PRInt8 notused;
 123 };
 124
 125 struct _MDSemaphore {
 126     PRInt8 notused;
 127 };
 128
 129 struct _MDCVar {
 130     PRInt8 notused;
 131 };
 132
 133 struct _MDSegment {
 134     PRInt8 notused;
 135 };
 136
 137 /*
 138  * md-specific cpu structure field
 139  */
 140 #define _PR_MD_MAX_OSFD FD_SETSIZE
 141
 142 struct _MDCPU_Unix {
 143     PRCList ioQ;
 144     PRUint32 ioq_timeout;
 145     PRInt32 ioq_max_osfd;
 146     PRInt32 ioq_osfd_cnt;
 147 #ifndef _PR_USE_POLL
 148     fd_set fd_read_set, fd_write_set, fd_exception_set;
 149     PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
 150                                 fd_exception_cnt[_PR_MD_MAX_OSFD];
 151 #else
 152         struct pollfd *ioq_pollfds;
 153         int ioq_pollfds_size;
 154 #endif  /* _PR_USE_POLL */
 155 };
 156
 157 #define _PR_IOQ(_cpu)                   ((_cpu)->md.md_unix.ioQ)
 158 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
 159 #define _PR_FD_READ_SET(_cpu)           ((_cpu)->md.md_unix.fd_read_set)
 160 #define _PR_FD_READ_CNT(_cpu)           ((_cpu)->md.md_unix.fd_read_cnt)
 161 #define _PR_FD_WRITE_SET(_cpu)          ((_cpu)->md.md_unix.fd_write_set)
 162 #define _PR_FD_WRITE_CNT(_cpu)          ((_cpu)->md.md_unix.fd_write_cnt)
 163 #define _PR_FD_EXCEPTION_SET(_cpu)      ((_cpu)->md.md_unix.fd_exception_set)
 164 #define _PR_FD_EXCEPTION_CNT(_cpu)      ((_cpu)->md.md_unix.fd_exception_cnt)
 165 #define _PR_IOQ_TIMEOUT(_cpu)           ((_cpu)->md.md_unix.ioq_timeout)
 166 #define _PR_IOQ_MAX_OSFD(_cpu)          ((_cpu)->md.md_unix.ioq_max_osfd)
 167 #define _PR_IOQ_OSFD_CNT(_cpu)          ((_cpu)->md.md_unix.ioq_osfd_cnt)
 168 #define _PR_IOQ_POLLFDS(_cpu)           ((_cpu)->md.md_unix.ioq_pollfds)
 169 #define _PR_IOQ_POLLFDS_SIZE(_cpu)      ((_cpu)->md.md_unix.ioq_pollfds_size)
 170
 171 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)  32
 172
 173 struct _MDCPU {
 174     struct _MDCPU_Unix md_unix;
 175 };
 176
 177 #define _MD_INIT_LOCKS()
 178 #define _MD_NEW_LOCK(lock) PR_SUCCESS
 179 #define _MD_FREE_LOCK(lock)
 180 #define _MD_LOCK(lock)
 181 #define _MD_UNLOCK(lock)
 182 #define _MD_INIT_IO()
 183 #define _MD_IOQ_LOCK()
 184 #define _MD_IOQ_UNLOCK()
 185
 186 #define _MD_EARLY_INIT                  _MD_EarlyInit
 187 #define _MD_FINAL_INIT                          _PR_UnixInit
 188 #define _MD_INIT_RUNNING_CPU(cpu)       _MD_unix_init_running_cpu(cpu)
 189 #define _MD_INIT_THREAD                 _MD_InitializeThread
 190 #define _MD_EXIT_THREAD(thread)
 191 #define _MD_SUSPEND_THREAD(thread)
 192 #define _MD_RESUME_THREAD(thread)
 193 #define _MD_CLEAN_THREAD(_thread)
 194
 195 #define _MD_GET_INTERVAL                  _PR_UNIX_GetInterval
 196 #define _MD_INTERVAL_PER_SEC              _PR_UNIX_TicksPerSecond
 197
 198 #define _MD_SELECT              _select
 199 #define _MD_POLL                _poll
 200
 201 #endif /* nspr_scoos5_defs_h___ */