nsprpub/pr/include/md/_unixware.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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  37
  38 #ifndef nspr_unixware_defs_h___
  39 #define nspr_unixware_defs_h___
  40
  41 /*
  42  * Internal configuration macros
  43  */
  44
  45 #define PR_LINKER_ARCH  "unixware"
  46 #define _PR_SI_SYSNAME          "UnixWare"
  47 #define _PR_SI_ARCHITECTURE     "x86"
  48 #define PR_DLL_SUFFIX           ".so"
  49
  50 #define _PR_VMBASE              0x30000000
  51 #define _PR_STACK_VMBASE        0x50000000
  52 #define _MD_DEFAULT_STACK_SIZE  65536L
  53 #define _MD_MMAP_FLAGS          MAP_PRIVATE
  54
  55 #ifndef HAVE_WEAK_IO_SYMBOLS
  56 #define HAVE_WEAK_IO_SYMBOLS
  57 #endif
  58 #define _PR_POLL_AVAILABLE
  59 #define _PR_USE_POLL
  60 #define _PR_STAT_HAS_ST_ATIM_UNION
  61
  62 #undef  HAVE_STACK_GROWING_UP
  63 #define HAVE_NETCONFIG
  64 #define HAVE_DLL
  65 #define USE_DLFCN
  66 #define HAVE_STRERROR
  67 #define NEED_STRFTIME_LOCK
  68 #define NEED_TIME_R
  69 #define _PR_NEED_STRCASECMP
  70
  71 #define USE_SETJMP
  72
  73 #include <setjmp.h>
  74
  75 #define _SETJMP setjmp
  76 #define _LONGJMP longjmp
  77 #define _PR_CONTEXT_TYPE         jmp_buf
  78 #define _MD_GET_SP(_t)           (_t)->md.context[4]
  79 #define _PR_NUM_GCREGS  _JBLEN
  80
  81 #define CONTEXT(_th) ((_th)->md.context)
  82
  83 /*
  84 ** Initialize the thread context preparing it to execute _main.
  85 */
  86 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
  87 {                                                                 \
  88     *status = PR_TRUE; \
  89     if(_SETJMP(CONTEXT(_thread))) (*_main)(); \
  90     _MD_GET_SP(_thread) = (int) ((_sp) - 128); \
  91 }
  92
  93 #define _MD_SWITCH_CONTEXT(_thread)  \
  94     if (!_SETJMP(CONTEXT(_thread))) { \
  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)->md.errcode;           \
 105     _MD_SET_CURRENT_THREAD(_thread); \
 106     _LONGJMP(CONTEXT(_thread), 1);    \
 107 }
 108
 109 /* Machine-dependent (MD) data structures.
 110  * Don't use SVR4 native threads (yet).
 111  */
 112
 113 struct _MDThread {
 114     _PR_CONTEXT_TYPE context;
 115     int id;
 116     int errcode;
 117 };
 118
 119 struct _MDThreadStack {
 120     PRInt8 notused;
 121 };
 122
 123 struct _MDLock {
 124     PRInt8 notused;
 125 };
 126
 127 struct _MDSemaphore {
 128     PRInt8 notused;
 129 };
 130
 131 struct _MDCVar {
 132     PRInt8 notused;
 133 };
 134
 135 struct _MDSegment {
 136     PRInt8 notused;
 137 };
 138
 139 /*
 140  * md-specific cpu structure field
 141  */
 142 #define _PR_MD_MAX_OSFD FD_SETSIZE
 143
 144 struct _MDCPU_Unix {
 145     PRCList ioQ;
 146     PRUint32 ioq_timeout;
 147     PRInt32 ioq_max_osfd;
 148     PRInt32 ioq_osfd_cnt;
 149 #ifndef _PR_USE_POLL
 150     fd_set fd_read_set, fd_write_set, fd_exception_set;
 151     PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
 152                                 fd_exception_cnt[_PR_MD_MAX_OSFD];
 153 #else
 154         struct pollfd *ioq_pollfds;
 155         int ioq_pollfds_size;
 156 #endif  /* _PR_USE_POLL */
 157 };
 158
 159 #define _PR_IOQ(_cpu)                   ((_cpu)->md.md_unix.ioQ)
 160 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
 161 #define _PR_FD_READ_SET(_cpu)           ((_cpu)->md.md_unix.fd_read_set)
 162 #define _PR_FD_READ_CNT(_cpu)           ((_cpu)->md.md_unix.fd_read_cnt)
 163 #define _PR_FD_WRITE_SET(_cpu)          ((_cpu)->md.md_unix.fd_write_set)
 164 #define _PR_FD_WRITE_CNT(_cpu)          ((_cpu)->md.md_unix.fd_write_cnt)
 165 #define _PR_FD_EXCEPTION_SET(_cpu)      ((_cpu)->md.md_unix.fd_exception_set)
 166 #define _PR_FD_EXCEPTION_CNT(_cpu)      ((_cpu)->md.md_unix.fd_exception_cnt)
 167 #define _PR_IOQ_TIMEOUT(_cpu)           ((_cpu)->md.md_unix.ioq_timeout)
 168 #define _PR_IOQ_MAX_OSFD(_cpu)          ((_cpu)->md.md_unix.ioq_max_osfd)
 169 #define _PR_IOQ_OSFD_CNT(_cpu)          ((_cpu)->md.md_unix.ioq_osfd_cnt)
 170 #define _PR_IOQ_POLLFDS(_cpu)           ((_cpu)->md.md_unix.ioq_pollfds)
 171 #define _PR_IOQ_POLLFDS_SIZE(_cpu)      ((_cpu)->md.md_unix.ioq_pollfds_size)
 172
 173 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)  32
 174
 175 struct _MDCPU {
 176         struct _MDCPU_Unix md_unix;
 177 };
 178
 179 #define _MD_INIT_LOCKS()
 180 #define _MD_NEW_LOCK(lock) PR_SUCCESS
 181 #define _MD_FREE_LOCK(lock)
 182 #define _MD_LOCK(lock)
 183 #define _MD_UNLOCK(lock)
 184 #define _MD_INIT_IO()
 185 #define _MD_IOQ_LOCK()
 186 #define _MD_IOQ_UNLOCK()
 187
 188 /*
 189  * The following are copied from _sunos.h, _aix.h.  This means
 190  * some of them should probably be moved into _unixos.h.  But
 191  * _irix.h seems to be quite different in regard to these macros.
 192  */
 193 #define _MD_GET_INTERVAL                  _PR_UNIX_GetInterval
 194 #define _MD_INTERVAL_PER_SEC              _PR_UNIX_TicksPerSecond
 195
 196 #define _MD_EARLY_INIT          _MD_EarlyInit
 197 #define _MD_FINAL_INIT          _PR_UnixInit
 198 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
 199 #define _MD_INIT_THREAD         _MD_InitializeThread
 200 #define _MD_EXIT_THREAD(thread)
 201 #define _MD_SUSPEND_THREAD(thread)
 202 #define _MD_RESUME_THREAD(thread)
 203 #define _MD_CLEAN_THREAD(_thread)
 204
 205 /*
 206  * We wrapped the select() call.  _MD_SELECT refers to the built-in,
 207  * unwrapped version.
 208  */
 209 #include <sys/time.h>
 210 #include <sys/types.h>
 211 #include <sys/select.h>
 212 extern int _select(int nfds, fd_set *readfds, fd_set *writefds,
 213         fd_set *execptfds, struct timeval *timeout);
 214 #define _MD_SELECT _select
 215
 216 #define _MD_POLL _poll
 217 extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout);
 218
 219 #endif /* nspr_unixware_defs_h___ */