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comparison: nsprpub/pr/include/md/_dgux.h
nsprpub/pr/include/md/_dgux.h
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- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
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| -1:000000000000 | 0:5624b2ae7af9 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nspr_dgux_defs_h___ | |
| 7 #define nspr_dgux_defs_h___ | |
| 8 | |
| 9 /* | |
| 10 * Internal configuration macros | |
| 11 */ | |
| 12 | |
| 13 #define PR_LINKER_ARCH "dgux" | |
| 14 #define _PR_SI_SYSNAME "DGUX" | |
| 15 #define _PR_SI_ARCHITECTURE "x86" | |
| 16 #define PR_DLL_SUFFIX ".so" | |
| 17 | |
| 18 #define _PR_VMBASE 0x30000000 | |
| 19 #define _PR_STACK_VMBASE 0x50000000 | |
| 20 #define _MD_DEFAULT_STACK_SIZE 65536L | |
| 21 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
| 22 | |
| 23 #ifndef HAVE_WEAK_IO_SYMBOLS | |
| 24 #define HAVE_WEAK_IO_SYMBOLS | |
| 25 #endif | |
| 26 | |
| 27 #undef HAVE_STACK_GROWING_UP | |
| 28 #define HAVE_NETCONFIG | |
| 29 #define HAVE_DLL | |
| 30 #define USE_DLFCN | |
| 31 #define NEED_STRFTIME_LOCK | |
| 32 #define NEED_TIME_R | |
| 33 #define _PR_NEED_STRCASECMP | |
| 34 #define _PR_POLL_AVAILABLE | |
| 35 #define _PR_USE_POLL | |
| 36 #define _PR_NO_LARGE_FILES | |
| 37 #define _PR_STAT_HAS_ONLY_ST_ATIME | |
| 38 | |
| 39 #define USE_SETJMP | |
| 40 | |
| 41 #include <setjmp.h> | |
| 42 | |
| 43 #define _SETJMP setjmp | |
| 44 #define _LONGJMP longjmp | |
| 45 #define _PR_CONTEXT_TYPE jmp_buf | |
| 46 #define _MD_GET_SP(_t) (_t)->md.context[4] | |
| 47 #define _PR_NUM_GCREGS _JBLEN | |
| 48 | |
| 49 #define CONTEXT(_th) ((_th)->md.context) | |
| 50 | |
| 51 /* | |
| 52 ** Initialize the thread context preparing it to execute _main. | |
| 53 */ | |
| 54 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
| 55 { \ | |
| 56 *status = PR_TRUE; \ | |
| 57 if(_SETJMP(CONTEXT(_thread))) (*_main)(); \ | |
| 58 _MD_GET_SP(_thread) = (int) ((_sp) - 128); \ | |
| 59 } | |
| 60 | |
| 61 #define _MD_SWITCH_CONTEXT(_thread) \ | |
| 62 if (!_SETJMP(CONTEXT(_thread))) { \ | |
| 63 (_thread)->md.errcode = errno; \ | |
| 64 _PR_Schedule(); \ | |
| 65 } | |
| 66 | |
| 67 /* | |
| 68 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
| 69 */ | |
| 70 #define _MD_RESTORE_CONTEXT(_thread) \ | |
| 71 { \ | |
| 72 errno = (_thread)->md.errcode; \ | |
| 73 _MD_SET_CURRENT_THREAD(_thread); \ | |
| 74 _LONGJMP(CONTEXT(_thread), 1); \ | |
| 75 } | |
| 76 | |
| 77 /* Machine-dependent (MD) data structures. | |
| 78 * Don't use SVR4 native threads (yet). | |
| 79 */ | |
| 80 | |
| 81 struct _MDThread { | |
| 82 _PR_CONTEXT_TYPE context; | |
| 83 int id; | |
| 84 int errcode; | |
| 85 }; | |
| 86 | |
| 87 struct _MDThreadStack { | |
| 88 PRInt8 notused; | |
| 89 }; | |
| 90 | |
| 91 struct _MDLock { | |
| 92 PRInt8 notused; | |
| 93 }; | |
| 94 | |
| 95 struct _MDSemaphore { | |
| 96 PRInt8 notused; | |
| 97 }; | |
| 98 | |
| 99 struct _MDCVar { | |
| 100 PRInt8 notused; | |
| 101 }; | |
| 102 | |
| 103 struct _MDSegment { | |
| 104 PRInt8 notused; | |
| 105 }; | |
| 106 | |
| 107 /* | |
| 108 * md-specific cpu structure field | |
| 109 */ | |
| 110 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
| 111 | |
| 112 struct _MDCPU_Unix { | |
| 113 PRCList ioQ; | |
| 114 PRUint32 ioq_timeout; | |
| 115 PRInt32 ioq_max_osfd; | |
| 116 PRInt32 ioq_osfd_cnt; | |
| 117 #ifndef _PR_USE_POLL | |
| 118 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
| 119 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
| 120 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
| 121 #else | |
| 122 struct pollfd *ioq_pollfds; | |
| 123 int ioq_pollfds_size; | |
| 124 #endif /* _PR_USE_POLL */ | |
| 125 }; | |
| 126 | |
| 127 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
| 128 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
| 129 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
| 130 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
| 131 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
| 132 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
| 133 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
| 134 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
| 135 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
| 136 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
| 137 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
| 138 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
| 139 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
| 140 | |
| 141 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
| 142 | |
| 143 struct _MDCPU { | |
| 144 struct _MDCPU_Unix md_unix; | |
| 145 }; | |
| 146 | |
| 147 #define _MD_INIT_LOCKS() | |
| 148 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
| 149 #define _MD_FREE_LOCK(lock) | |
| 150 #define _MD_LOCK(lock) | |
| 151 #define _MD_UNLOCK(lock) | |
| 152 #define _MD_INIT_IO() | |
| 153 #define _MD_IOQ_LOCK() | |
| 154 #define _MD_IOQ_UNLOCK() | |
| 155 | |
| 156 /* | |
| 157 * The following are copied from _sunos.h, _aix.h. This means | |
| 158 * some of them should probably be moved into _unixos.h. But | |
| 159 * _irix.h seems to be quite different in regard to these macros. | |
| 160 */ | |
| 161 #define _MD_INTERVAL_USE_GTOD | |
| 162 | |
| 163 #define _MD_EARLY_INIT _MD_EarlyInit | |
| 164 #define _MD_FINAL_INIT _PR_UnixInit | |
| 165 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
| 166 #define _MD_INIT_THREAD _MD_InitializeThread | |
| 167 #define _MD_EXIT_THREAD(thread) | |
| 168 #define _MD_SUSPEND_THREAD(thread) | |
| 169 #define _MD_RESUME_THREAD(thread) | |
| 170 #define _MD_CLEAN_THREAD(_thread) | |
| 171 | |
| 172 /* | |
| 173 * We wrapped the select() call. _MD_SELECT refers to the built-in, | |
| 174 * unwrapped version. | |
| 175 */ | |
| 176 #include <unistd.h> | |
| 177 #include <sys/types.h> | |
| 178 #include <sys/time.h> | |
| 179 extern int _select(int nfds, fd_set *readfds, fd_set *writefds, | |
| 180 fd_set *execptfds, struct timeval *timeout); | |
| 181 #define _MD_SELECT _select | |
| 182 | |
| 183 #define _MD_POLL _poll | |
| 184 #include <poll.h> | |
| 185 #include <stropts.h> | |
| 186 extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout); | |
| 187 | |
| 188 #endif /* nspr_dgux_defs_h___ */ |
