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comparison: nsprpub/pr/include/md/_osf1.h
nsprpub/pr/include/md/_osf1.h
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- TOR_BUG_9701
- changeset 13
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| -1:000000000000 | 0:c913f90f56e5 |
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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_osf1_defs_h___ | |
| 7 #define nspr_osf1_defs_h___ | |
| 8 | |
| 9 /* | |
| 10 * Internal configuration macros | |
| 11 */ | |
| 12 | |
| 13 #define PR_LINKER_ARCH "osf" | |
| 14 #define _PR_SI_SYSNAME "OSF" | |
| 15 #define _PR_SI_ARCHITECTURE "alpha" | |
| 16 #define PR_DLL_SUFFIX ".so" | |
| 17 | |
| 18 #define _PR_VMBASE 0x30000000 | |
| 19 #define _PR_STACK_VMBASE 0x50000000 | |
| 20 #define _MD_DEFAULT_STACK_SIZE 131072L | |
| 21 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
| 22 | |
| 23 #undef HAVE_STACK_GROWING_UP | |
| 24 #undef HAVE_WEAK_IO_SYMBOLS | |
| 25 #undef HAVE_WEAK_MALLOC_SYMBOLS | |
| 26 #define HAVE_DLL | |
| 27 #define HAVE_BSD_FLOCK | |
| 28 | |
| 29 #define NEED_TIME_R | |
| 30 #define USE_DLFCN | |
| 31 | |
| 32 #define _PR_POLL_AVAILABLE | |
| 33 #define _PR_USE_POLL | |
| 34 #define _PR_STAT_HAS_ONLY_ST_ATIME | |
| 35 #define _PR_HAVE_LARGE_OFF_T | |
| 36 #define _PR_HAVE_GETIPNODEBYNAME | |
| 37 #define _PR_HAVE_GETIPNODEBYADDR | |
| 38 #define _PR_HAVE_GETADDRINFO | |
| 39 #define _PR_INET6_PROBE | |
| 40 #ifdef _PR_INET6 | |
| 41 #define _PR_HAVE_INET_NTOP | |
| 42 #else | |
| 43 #define AF_INET6 26 | |
| 44 #ifndef AI_CANONNAME | |
| 45 #define AI_CANONNAME 0x00000002 | |
| 46 struct addrinfo { | |
| 47 int ai_flags; | |
| 48 int ai_family; | |
| 49 int ai_socktype; | |
| 50 int ai_protocol; | |
| 51 size_t ai_addrlen; | |
| 52 char *ai_canonname; | |
| 53 struct sockaddr *ai_addr; | |
| 54 struct addrinfo *ai_next; | |
| 55 }; | |
| 56 #endif | |
| 57 #define AI_V4MAPPED 0x00000010 | |
| 58 #define AI_ALL 0x00000008 | |
| 59 #define AI_ADDRCONFIG 0x00000020 | |
| 60 #endif | |
| 61 #define _PR_HAVE_POSIX_SEMAPHORES | |
| 62 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY | |
| 63 | |
| 64 #define USE_SETJMP | |
| 65 | |
| 66 #include <setjmp.h> | |
| 67 | |
| 68 /* | |
| 69 * A jmp_buf is actually a struct sigcontext. The sc_sp field of | |
| 70 * struct sigcontext is the stack pointer. | |
| 71 */ | |
| 72 #define _MD_GET_SP(_t) (((struct sigcontext *) (_t)->md.context)->sc_sp) | |
| 73 #define PR_NUM_GCREGS _JBLEN | |
| 74 #define CONTEXT(_th) ((_th)->md.context) | |
| 75 | |
| 76 /* | |
| 77 ** Initialize a thread context to run "_main()" when started | |
| 78 */ | |
| 79 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
| 80 { \ | |
| 81 *status = PR_TRUE; \ | |
| 82 if (setjmp(CONTEXT(_thread))) { \ | |
| 83 (*_main)(); \ | |
| 84 } \ | |
| 85 _MD_GET_SP(_thread) = (long) ((_sp) - 64); \ | |
| 86 _MD_GET_SP(_thread) &= ~15; \ | |
| 87 } | |
| 88 | |
| 89 #define _MD_SWITCH_CONTEXT(_thread) \ | |
| 90 if (!setjmp(CONTEXT(_thread))) { \ | |
| 91 (_thread)->md.errcode = errno; \ | |
| 92 _PR_Schedule(); \ | |
| 93 } | |
| 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 | |
| 105 /* Machine-dependent (MD) data structures */ | |
| 106 | |
| 107 struct _MDThread { | |
| 108 jmp_buf context; | |
| 109 int id; | |
| 110 int errcode; | |
| 111 }; | |
| 112 | |
| 113 struct _MDThreadStack { | |
| 114 PRInt8 notused; | |
| 115 }; | |
| 116 | |
| 117 struct _MDLock { | |
| 118 PRInt8 notused; | |
| 119 }; | |
| 120 | |
| 121 struct _MDSemaphore { | |
| 122 PRInt8 notused; | |
| 123 }; | |
| 124 | |
| 125 struct _MDCVar { | |
| 126 PRInt8 notused; | |
| 127 }; | |
| 128 | |
| 129 struct _MDSegment { | |
| 130 PRInt8 notused; | |
| 131 }; | |
| 132 | |
| 133 /* | |
| 134 * md-specific cpu structure field | |
| 135 */ | |
| 136 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
| 137 | |
| 138 struct _MDCPU_Unix { | |
| 139 PRCList ioQ; | |
| 140 PRUint32 ioq_timeout; | |
| 141 PRInt32 ioq_max_osfd; | |
| 142 PRInt32 ioq_osfd_cnt; | |
| 143 #ifndef _PR_USE_POLL | |
| 144 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
| 145 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
| 146 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
| 147 #else | |
| 148 struct pollfd *ioq_pollfds; | |
| 149 int ioq_pollfds_size; | |
| 150 #endif /* _PR_USE_POLL */ | |
| 151 }; | |
| 152 | |
| 153 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
| 154 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
| 155 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
| 156 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
| 157 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
| 158 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
| 159 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
| 160 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
| 161 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
| 162 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
| 163 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
| 164 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
| 165 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
| 166 | |
| 167 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
| 168 | |
| 169 struct _MDCPU { | |
| 170 struct _MDCPU_Unix md_unix; | |
| 171 }; | |
| 172 | |
| 173 #ifndef _PR_PTHREADS | |
| 174 #define _MD_INIT_LOCKS() | |
| 175 #endif | |
| 176 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
| 177 #define _MD_FREE_LOCK(lock) | |
| 178 #define _MD_LOCK(lock) | |
| 179 #define _MD_UNLOCK(lock) | |
| 180 #define _MD_INIT_IO() | |
| 181 #define _MD_IOQ_LOCK() | |
| 182 #define _MD_IOQ_UNLOCK() | |
| 183 | |
| 184 /* | |
| 185 * The following are copied from _sunos.h, _aix.h. This means | |
| 186 * some of them should probably be moved into _unixos.h. But | |
| 187 * _irix.h seems to be quite different in regard to these macros. | |
| 188 */ | |
| 189 #define _MD_INTERVAL_USE_GTOD | |
| 190 | |
| 191 #define _MD_EARLY_INIT _MD_EarlyInit | |
| 192 #define _MD_FINAL_INIT _PR_UnixInit | |
| 193 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
| 194 #define _MD_INIT_THREAD _MD_InitializeThread | |
| 195 #define _MD_EXIT_THREAD(thread) | |
| 196 #define _MD_SUSPEND_THREAD(thread) | |
| 197 #define _MD_RESUME_THREAD(thread) | |
| 198 #define _MD_CLEAN_THREAD(_thread) | |
| 199 | |
| 200 /* The following defines unwrapped versions of select() and poll(). */ | |
| 201 #include <sys/time.h> | |
| 202 extern int __select (int, fd_set *, fd_set *, fd_set *, struct timeval *); | |
| 203 #define _MD_SELECT __select | |
| 204 | |
| 205 #include <sys/poll.h> | |
| 206 #define _MD_POLL __poll | |
| 207 extern int __poll(struct pollfd filedes[], unsigned int nfds, int timeout); | |
| 208 | |
| 209 /* | |
| 210 * Atomic operations | |
| 211 */ | |
| 212 #ifdef OSF1_HAVE_MACHINE_BUILTINS_H | |
| 213 #include <machine/builtins.h> | |
| 214 #define _PR_HAVE_ATOMIC_OPS | |
| 215 #define _MD_INIT_ATOMIC() | |
| 216 #define _MD_ATOMIC_INCREMENT(val) (__ATOMIC_INCREMENT_LONG(val) + 1) | |
| 217 #define _MD_ATOMIC_ADD(ptr, val) (__ATOMIC_ADD_LONG(ptr, val) + val) | |
| 218 #define _MD_ATOMIC_DECREMENT(val) (__ATOMIC_DECREMENT_LONG(val) - 1) | |
| 219 #define _MD_ATOMIC_SET(val, newval) __ATOMIC_EXCH_LONG(val, newval) | |
| 220 #endif /* OSF1_HAVE_MACHINE_BUILTINS_H */ | |
| 221 | |
| 222 #endif /* nspr_osf1_defs_h___ */ |
