_nto.h (4937B)
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_nto_defs_h___ 7 #define nspr_nto_defs_h___ 8 9 /* 10 ** Internal configuration macros 11 */ 12 #define PR_LINKER_ARCH "nto" 13 #define _PR_SI_SYSNAME "NTO" 14 #define _PR_SI_ARCHITECTURE "x86" 15 #define PR_DLL_SUFFIX ".so" 16 17 #define _PR_VMBASE 0x30000000 18 #define _PR_STACK_VMBASE 0x50000000 19 #define _MD_DEFAULT_STACK_SIZE 65536L 20 #define _MD_MINIMUM_STACK_SIZE 131072L 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 _PR_POLL_AVAILABLE 28 #undef _PR_USE_POLL 29 #define _PR_HAVE_SOCKADDR_LEN 30 #undef HAVE_BSD_FLOCK 31 #define HAVE_FCNTL_FILE_LOCKING 32 #define _PR_NO_LARGE_FILES 33 #define _PR_STAT_HAS_ONLY_ST_ATIME 34 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY 35 #define _PR_HAVE_POSIX_SEMAPHORES 36 37 #undef FD_SETSIZE 38 #define FD_SETSIZE 4096 39 #include <sys/time.h> 40 #include <sys/types.h> 41 #include <sys/select.h> 42 43 #undef HAVE_STACK_GROWING_UP 44 #define HAVE_DLL 45 #define USE_DLFCN 46 #define NEED_STRFTIME_LOCK 47 #define NEED_TIME_R 48 #define _PR_NEED_STRCASECMP 49 50 #ifndef HAVE_STRERROR 51 #define HAVE_STRERROR 52 #endif 53 54 #define USE_SETJMP 55 56 #include <setjmp.h> 57 58 #define _SETJMP setjmp 59 #define _LONGJMP longjmp 60 #define _PR_CONTEXT_TYPE jmp_buf 61 #define _PR_NUM_GCREGS _JBLEN 62 #define _MD_GET_SP(_t) (_t)->md.context[7] 63 64 #define CONTEXT(_th) ((_th)->md.context) 65 66 67 /* 68 ** Initialize the thread context preparing it to execute _main. 69 */ 70 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 71 { \ 72 *status = PR_TRUE; \ 73 if(_SETJMP(CONTEXT(_thread))) (*_main)(); \ 74 _MD_GET_SP(_thread) = (int) ((_sp) - 128); \ 75 } 76 77 #define _MD_SWITCH_CONTEXT(_thread) \ 78 if (!_SETJMP(CONTEXT(_thread))) { \ 79 (_thread)->md.errcode = errno; \ 80 _PR_Schedule(); \ 81 } 82 83 /* 84 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 85 */ 86 #define _MD_RESTORE_CONTEXT(_thread) \ 87 { \ 88 errno = (_thread)->md.errcode; \ 89 _MD_SET_CURRENT_THREAD(_thread); \ 90 _LONGJMP(CONTEXT(_thread), 1); \ 91 } 92 93 /* 94 ** Machine-dependent (MD) data structures. 95 */ 96 struct _MDThread { 97 _PR_CONTEXT_TYPE context; 98 int id; 99 int errcode; 100 }; 101 102 struct _MDThreadStack { 103 PRInt8 notused; 104 }; 105 106 struct _MDLock { 107 PRInt8 notused; 108 }; 109 110 struct _MDSemaphore { 111 PRInt8 notused; 112 }; 113 114 struct _MDCVar { 115 PRInt8 notused; 116 }; 117 118 struct _MDSegment { 119 PRInt8 notused; 120 }; 121 122 /* 123 ** md-specific cpu structure field 124 */ 125 #define _PR_MD_MAX_OSFD FD_SETSIZE 126 127 struct _MDCPU_Unix { 128 PRCList ioQ; 129 PRUint32 ioq_timeout; 130 PRInt32 ioq_max_osfd; 131 PRInt32 ioq_osfd_cnt; 132 #ifndef _PR_USE_POLL 133 fd_set fd_read_set, fd_write_set, fd_exception_set; 134 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD]; 135 #else 136 struct pollfd *ioq_pollfds; 137 int ioq_pollfds_size; 138 #endif 139 }; 140 141 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 142 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 143 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 144 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 145 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 146 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 147 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 148 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 149 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 150 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 151 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 152 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 153 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 154 155 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 156 157 struct _MDCPU { 158 struct _MDCPU_Unix md_unix; 159 }; 160 161 #define _MD_INIT_LOCKS() 162 #define _MD_NEW_LOCK(lock) PR_SUCCESS 163 #define _MD_FREE_LOCK(lock) 164 #define _MD_LOCK(lock) 165 #define _MD_UNLOCK(lock) 166 #define _MD_INIT_IO() 167 #define _MD_IOQ_LOCK() 168 #define _MD_IOQ_UNLOCK() 169 170 #define _MD_INTERVAL_USE_GTOD 171 #define _MD_EARLY_INIT _MD_EarlyInit 172 #define _MD_FINAL_INIT _PR_UnixInit 173 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 174 #define _MD_INIT_THREAD _MD_InitializeThread 175 #define _MD_EXIT_THREAD(thread) 176 #define _MD_SUSPEND_THREAD(thread) 177 #define _MD_RESUME_THREAD(thread) 178 #define _MD_CLEAN_THREAD(_thread) 179 180 /* 181 ** We wrapped the select() call. _MD_SELECT refers to the built-in, 182 ** unwrapped version. 183 */ 184 #define _MD_SELECT select 185 186 #define SA_RESTART 0 187 188 #endif /* nspr_nto_defs_h___ */