third_party/npapi/npspy/extern/nspr/md/_qnx.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_qnx_defs_h___
  36 #define nspr_qnx_defs_h___
  37
  38 /*
  39 ** Internal configuration macros
  40 */
  41 #define PR_LINKER_ARCH          "qnx"
  42 #define _PR_SI_SYSNAME          "QNX"
  43 #define _PR_SI_ARCHITECTURE     "x86"
  44 #define PR_DLL_SUFFIX           ".so"
  45
  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
  51 #ifndef HAVE_WEAK_IO_SYMBOLS
  52 #define HAVE_WEAK_IO_SYMBOLS
  53 #endif
  54
  55 #undef _PR_POLL_AVAILABLE
  56 #undef _PR_USE_POLL
  57 #define _PR_HAVE_SOCKADDR_LEN
  58 #define HAVE_BSD_FLOCK
  59 #define _PR_NO_LARGE_FILES
  60 #define _PR_STAT_HAS_ONLY_ST_ATIME
  61
  62 #include <sys/select.h>
  63
  64 #undef  HAVE_STACK_GROWING_UP
  65 #undef  HAVE_DLL
  66 #undef  USE_DLFCN
  67 #define NEED_STRFTIME_LOCK
  68 #define NEED_TIME_R
  69 #define _PR_NEED_STRCASECMP
  70
  71 #ifndef HAVE_STRERROR
  72 #define HAVE_STRERROR
  73 #endif
  74
  75 #define USE_SETJMP
  76
  77 #include <setjmp.h>
  78
  79 #define _SETJMP                 setjmp
  80 #define _LONGJMP                longjmp
  81 #define _PR_CONTEXT_TYPE        jmp_buf
  82 #define _PR_NUM_GCREGS          _JBLEN
  83 #define _MD_GET_SP(_t)          (_t)->md.context[7]
  84
  85 #define CONTEXT(_th)            ((_th)->md.context)
  86
  87 /*
  88 ** Initialize the thread context preparing it to execute _main.
  89 */
  90 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)   \
  91 {                                                       \
  92     *status = PR_TRUE;                                  \
  93     if(_SETJMP(CONTEXT(_thread))) (*_main)();           \
  94     _MD_GET_SP(_thread) = (int) ((_sp) - 128);          \
  95 }
  96
  97 #define _MD_SWITCH_CONTEXT(_thread)     \
  98     if (!_SETJMP(CONTEXT(_thread))) {   \
  99         (_thread)->md.errcode = errno;  \
 100         _PR_Schedule();                 \
 101     }
 102
 103 /*
 104 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
 105 */
 106 #define _MD_RESTORE_CONTEXT(_thread)    \
 107 {                                       \
 108     errno = (_thread)->md.errcode;      \
 109     _MD_SET_CURRENT_THREAD(_thread);    \
 110     _LONGJMP(CONTEXT(_thread), 1);      \
 111 }
 112
 113 /*
 114 ** Machine-dependent (MD) data structures.
 115 */
 116 struct _MDThread {
 117     _PR_CONTEXT_TYPE context;
 118     int id;
 119     int errcode;
 120 };
 121
 122 struct _MDThreadStack {
 123     PRInt8 notused;
 124 };
 125
 126 struct _MDLock {
 127     PRInt8 notused;
 128 };
 129
 130 struct _MDSemaphore {
 131     PRInt8 notused;
 132 };
 133
 134 struct _MDCVar {
 135     PRInt8 notused;
 136 };
 137
 138 struct _MDSegment {
 139     PRInt8 notused;
 140 };
 141
 142 /*
 143 ** md-specific cpu structure field
 144 */
 145 #define _PR_MD_MAX_OSFD         FD_SETSIZE
 146
 147 struct _MDCPU_Unix {
 148     PRCList ioQ;
 149     PRUint32 ioq_timeout;
 150     PRInt32 ioq_max_osfd;
 151     PRInt32 ioq_osfd_cnt;
 152 #ifndef _PR_USE_POLL
 153     fd_set fd_read_set, fd_write_set, fd_exception_set;
 154     PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD];
 155 #else
 156     struct pollfd *ioq_pollfds;
 157     int ioq_pollfds_size;
 158 #endif
 159 };
 160
 161 #define _PR_IOQ(_cpu)                   ((_cpu)->md.md_unix.ioQ)
 162 #define _PR_ADD_TO_IOQ(_pq, _cpu)       PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
 163 #define _PR_FD_READ_SET(_cpu)           ((_cpu)->md.md_unix.fd_read_set)
 164 #define _PR_FD_READ_CNT(_cpu)           ((_cpu)->md.md_unix.fd_read_cnt)
 165 #define _PR_FD_WRITE_SET(_cpu)          ((_cpu)->md.md_unix.fd_write_set)
 166 #define _PR_FD_WRITE_CNT(_cpu)          ((_cpu)->md.md_unix.fd_write_cnt)
 167 #define _PR_FD_EXCEPTION_SET(_cpu)      ((_cpu)->md.md_unix.fd_exception_set)
 168 #define _PR_FD_EXCEPTION_CNT(_cpu)      ((_cpu)->md.md_unix.fd_exception_cnt)
 169 #define _PR_IOQ_TIMEOUT(_cpu)           ((_cpu)->md.md_unix.ioq_timeout)
 170 #define _PR_IOQ_MAX_OSFD(_cpu)          ((_cpu)->md.md_unix.ioq_max_osfd)
 171 #define _PR_IOQ_OSFD_CNT(_cpu)          ((_cpu)->md.md_unix.ioq_osfd_cnt)
 172 #define _PR_IOQ_POLLFDS(_cpu)           ((_cpu)->md.md_unix.ioq_pollfds)
 173 #define _PR_IOQ_POLLFDS_SIZE(_cpu)      ((_cpu)->md.md_unix.ioq_pollfds_size)
 174
 175 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)  32
 176
 177 struct _MDCPU {
 178         struct _MDCPU_Unix md_unix;
 179 };
 180
 181 #define _MD_INIT_LOCKS()
 182 #define _MD_NEW_LOCK(lock)              PR_SUCCESS
 183 #define _MD_FREE_LOCK(lock)
 184 #define _MD_LOCK(lock)
 185 #define _MD_UNLOCK(lock)
 186 #define _MD_INIT_IO()
 187 #define _MD_IOQ_LOCK()
 188 #define _MD_IOQ_UNLOCK()
 189
 190 #define _MD_GET_INTERVAL                _PR_UNIX_GetInterval
 191 #define _MD_INTERVAL_PER_SEC            _PR_UNIX_TicksPerSecond
 192 #define _MD_EARLY_INIT                  _MD_EarlyInit
 193 #define _MD_FINAL_INIT                  _PR_UnixInit
 194 #define _MD_INIT_RUNNING_CPU(cpu)       _MD_unix_init_running_cpu(cpu)
 195 #define _MD_INIT_THREAD                 _MD_InitializeThread
 196 #define _MD_EXIT_THREAD(thread)
 197 #define _MD_SUSPEND_THREAD(thread)
 198 #define _MD_RESUME_THREAD(thread)
 199 #define _MD_CLEAN_THREAD(_thread)
 200
 201 /*
 202 ** We wrapped the select() call.  _MD_SELECT refers to the built-in,
 203 ** unwrapped version.
 204 */
 205 #include <sys/time.h>
 206 #include <sys/types.h>
 207 #include <sys/select.h>
 208 #define _MD_SELECT              select
 209
 210 #define SA_RESTART 0
 211
 212 #endif /* nspr_qnx_defs_h___ */