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comparison: nsprpub/pr/include/md/_freebsd.h
nsprpub/pr/include/md/_freebsd.h
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- TOR_BUG_9701
- changeset 13
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| -1:000000000000 | 0:d0f138e54832 |
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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_freebsd_defs_h___ | |
| 7 #define nspr_freebsd_defs_h___ | |
| 8 | |
| 9 #include "prthread.h" | |
| 10 | |
| 11 #if __FreeBSD__ >= 2 | |
| 12 #include <osreldate.h> /* for __FreeBSD_version */ | |
| 13 #endif | |
| 14 #include <sys/syscall.h> | |
| 15 | |
| 16 #define PR_LINKER_ARCH "freebsd" | |
| 17 #define _PR_SI_SYSNAME "FREEBSD" | |
| 18 #if defined(__i386__) | |
| 19 #define _PR_SI_ARCHITECTURE "x86" | |
| 20 #elif defined(__alpha__) | |
| 21 #define _PR_SI_ARCHITECTURE "alpha" | |
| 22 #elif defined(__sparc__) | |
| 23 #define _PR_SI_ARCHITECTURE "sparc" | |
| 24 #elif defined(__ia64__) | |
| 25 #define _PR_SI_ARCHITECTURE "ia64" | |
| 26 #elif defined(__amd64__) | |
| 27 #define _PR_SI_ARCHITECTURE "amd64" | |
| 28 #else | |
| 29 #error "Unknown CPU architecture" | |
| 30 #endif | |
| 31 #if defined(__ELF__) | |
| 32 #define PR_DLL_SUFFIX ".so" | |
| 33 #else | |
| 34 #define PR_DLL_SUFFIX ".so.1.0" | |
| 35 #endif | |
| 36 | |
| 37 #define _PR_VMBASE 0x30000000 | |
| 38 #define _PR_STACK_VMBASE 0x50000000 | |
| 39 #define _MD_DEFAULT_STACK_SIZE 65536L | |
| 40 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
| 41 | |
| 42 #undef HAVE_STACK_GROWING_UP | |
| 43 #define HAVE_DLL | |
| 44 #define USE_DLFCN | |
| 45 #define _PR_HAVE_SOCKADDR_LEN | |
| 46 #define _PR_STAT_HAS_ST_ATIMESPEC | |
| 47 #define _PR_HAVE_LARGE_OFF_T | |
| 48 | |
| 49 #if defined(_PR_PTHREADS) | |
| 50 #if __FreeBSD_version >= 400008 | |
| 51 /* | |
| 52 * libc_r before this version of FreeBSD doesn't have poll(). | |
| 53 * Although libc has poll(), it is not thread-safe so we can't | |
| 54 * use it in the pthreads version. | |
| 55 */ | |
| 56 #define _PR_POLL_AVAILABLE | |
| 57 #endif | |
| 58 #else | |
| 59 #if __FreeBSD_version >= 300000 | |
| 60 #define _PR_POLL_AVAILABLE | |
| 61 #define _PR_USE_POLL | |
| 62 #endif | |
| 63 #endif | |
| 64 | |
| 65 #define _PR_HAVE_SYSV_SEMAPHORES | |
| 66 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY | |
| 67 | |
| 68 #if __FreeBSD_version >= 400014 | |
| 69 #define _PR_INET6 | |
| 70 #define _PR_HAVE_INET_NTOP | |
| 71 #define _PR_HAVE_GETHOSTBYNAME2 | |
| 72 #define _PR_HAVE_GETADDRINFO | |
| 73 #define _PR_INET6_PROBE | |
| 74 #define _PR_IPV6_V6ONLY_PROBE | |
| 75 #endif | |
| 76 | |
| 77 #define USE_SETJMP | |
| 78 | |
| 79 #ifndef _PR_PTHREADS | |
| 80 #include <setjmp.h> | |
| 81 | |
| 82 #define PR_CONTEXT_TYPE sigjmp_buf | |
| 83 | |
| 84 #define CONTEXT(_th) ((_th)->md.context) | |
| 85 | |
| 86 #define _MD_GET_SP(_th) (_th)->md.context[0]._sjb[2] | |
| 87 #define PR_NUM_GCREGS _JBLEN | |
| 88 | |
| 89 /* | |
| 90 ** Initialize a thread context to run "_main()" when started | |
| 91 */ | |
| 92 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
| 93 { \ | |
| 94 *status = PR_TRUE; \ | |
| 95 if (sigsetjmp(CONTEXT(_thread), 1)) { \ | |
| 96 _main(); \ | |
| 97 } \ | |
| 98 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ | |
| 99 } | |
| 100 | |
| 101 #define _MD_SWITCH_CONTEXT(_thread) \ | |
| 102 if (!sigsetjmp(CONTEXT(_thread), 1)) { \ | |
| 103 (_thread)->md.errcode = errno; \ | |
| 104 _PR_Schedule(); \ | |
| 105 } | |
| 106 | |
| 107 /* | |
| 108 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
| 109 */ | |
| 110 #define _MD_RESTORE_CONTEXT(_thread) \ | |
| 111 { \ | |
| 112 errno = (_thread)->md.errcode; \ | |
| 113 _MD_SET_CURRENT_THREAD(_thread); \ | |
| 114 siglongjmp(CONTEXT(_thread), 1); \ | |
| 115 } | |
| 116 | |
| 117 /* Machine-dependent (MD) data structures */ | |
| 118 | |
| 119 struct _MDThread { | |
| 120 PR_CONTEXT_TYPE context; | |
| 121 int id; | |
| 122 int errcode; | |
| 123 }; | |
| 124 | |
| 125 struct _MDThreadStack { | |
| 126 PRInt8 notused; | |
| 127 }; | |
| 128 | |
| 129 struct _MDLock { | |
| 130 PRInt8 notused; | |
| 131 }; | |
| 132 | |
| 133 struct _MDSemaphore { | |
| 134 PRInt8 notused; | |
| 135 }; | |
| 136 | |
| 137 struct _MDCVar { | |
| 138 PRInt8 notused; | |
| 139 }; | |
| 140 | |
| 141 struct _MDSegment { | |
| 142 PRInt8 notused; | |
| 143 }; | |
| 144 | |
| 145 /* | |
| 146 * md-specific cpu structure field | |
| 147 */ | |
| 148 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
| 149 | |
| 150 struct _MDCPU_Unix { | |
| 151 PRCList ioQ; | |
| 152 PRUint32 ioq_timeout; | |
| 153 PRInt32 ioq_max_osfd; | |
| 154 PRInt32 ioq_osfd_cnt; | |
| 155 #ifndef _PR_USE_POLL | |
| 156 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
| 157 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
| 158 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
| 159 #else | |
| 160 struct pollfd *ioq_pollfds; | |
| 161 int ioq_pollfds_size; | |
| 162 #endif /* _PR_USE_POLL */ | |
| 163 }; | |
| 164 | |
| 165 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
| 166 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
| 167 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
| 168 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
| 169 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
| 170 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
| 171 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
| 172 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
| 173 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
| 174 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
| 175 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
| 176 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
| 177 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
| 178 | |
| 179 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
| 180 | |
| 181 struct _MDCPU { | |
| 182 struct _MDCPU_Unix md_unix; | |
| 183 }; | |
| 184 | |
| 185 #define _MD_INIT_LOCKS() | |
| 186 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
| 187 #define _MD_FREE_LOCK(lock) | |
| 188 #define _MD_LOCK(lock) | |
| 189 #define _MD_UNLOCK(lock) | |
| 190 #define _MD_INIT_IO() | |
| 191 #define _MD_IOQ_LOCK() | |
| 192 #define _MD_IOQ_UNLOCK() | |
| 193 | |
| 194 extern PRStatus _MD_InitializeThread(PRThread *thread); | |
| 195 | |
| 196 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
| 197 #define _MD_INIT_THREAD _MD_InitializeThread | |
| 198 #define _MD_EXIT_THREAD(thread) | |
| 199 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread | |
| 200 #define _MD_RESUME_THREAD(thread) _MD_resume_thread | |
| 201 #define _MD_CLEAN_THREAD(_thread) | |
| 202 | |
| 203 extern PRStatus _MD_CREATE_THREAD( | |
| 204 PRThread *thread, | |
| 205 void (*start) (void *), | |
| 206 PRThreadPriority priority, | |
| 207 PRThreadScope scope, | |
| 208 PRThreadState state, | |
| 209 PRUint32 stackSize); | |
| 210 extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri); | |
| 211 extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout); | |
| 212 extern PRStatus _MD_WAKEUP_WAITER(PRThread *); | |
| 213 extern void _MD_YIELD(void); | |
| 214 | |
| 215 #endif /* ! _PR_PTHREADS */ | |
| 216 | |
| 217 extern void _MD_EarlyInit(void); | |
| 218 | |
| 219 #define _MD_EARLY_INIT _MD_EarlyInit | |
| 220 #define _MD_FINAL_INIT _PR_UnixInit | |
| 221 #define _MD_INTERVAL_USE_GTOD | |
| 222 | |
| 223 /* | |
| 224 * We wrapped the select() call. _MD_SELECT refers to the built-in, | |
| 225 * unwrapped version. | |
| 226 */ | |
| 227 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) | |
| 228 | |
| 229 #if defined(_PR_POLL_AVAILABLE) | |
| 230 #include <poll.h> | |
| 231 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) | |
| 232 #endif | |
| 233 | |
| 234 /* freebsd has INADDR_LOOPBACK defined, but in /usr/include/rpc/types.h, and I didn't | |
| 235 want to be including that.. */ | |
| 236 #ifndef INADDR_LOOPBACK | |
| 237 #define INADDR_LOOPBACK (u_long)0x7F000001 | |
| 238 #endif | |
| 239 | |
| 240 /* For writev() */ | |
| 241 #include <sys/uio.h> | |
| 242 | |
| 243 #endif /* nspr_freebsd_defs_h___ */ |
