nsprpub/pr/include/md/_scoos.h@44a2da4a2ab2 (annotated)
nsprpub/pr/include/md/_scoos.h
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nspr_scoos5_defs_h___ |
| michael@0 | 7 | #define nspr_scoos5_defs_h___ |
| michael@0 | 8 | |
| michael@0 | 9 | /* |
| michael@0 | 10 | * Internal configuration macros |
| michael@0 | 11 | */ |
| michael@0 | 12 | |
| michael@0 | 13 | #define PR_LINKER_ARCH "scoos5" |
| michael@0 | 14 | #define PR_DLL_SUFFIX ".so" |
| michael@0 | 15 | |
| michael@0 | 16 | #define _PR_SI_SYSNAME "SCO" |
| michael@0 | 17 | #define _PR_SI_ARCHITECTURE "x86" |
| michael@0 | 18 | #define _PR_STACK_VMBASE 0x50000000 |
| michael@0 | 19 | |
| michael@0 | 20 | #define _MD_DEFAULT_STACK_SIZE 65536L |
| michael@0 | 21 | #define _MD_MMAP_FLAGS MAP_PRIVATE |
| michael@0 | 22 | |
| michael@0 | 23 | #undef HAVE_STACK_GROWING_UP |
| michael@0 | 24 | #define HAVE_DLL |
| michael@0 | 25 | #define USE_DLFCN |
| michael@0 | 26 | |
| michael@0 | 27 | #if !defined (HAVE_STRERROR) |
| michael@0 | 28 | #define HAVE_STRERROR |
| michael@0 | 29 | #endif |
| michael@0 | 30 | |
| michael@0 | 31 | #ifndef HAVE_WEAK_IO_SYMBOLS |
| michael@0 | 32 | #define HAVE_WEAK_IO_SYMBOLS |
| michael@0 | 33 | #endif |
| michael@0 | 34 | |
| michael@0 | 35 | #define _PR_POLL_AVAILABLE |
| michael@0 | 36 | #define _PR_USE_POLL |
| michael@0 | 37 | #define _PR_NO_LARGE_FILES |
| michael@0 | 38 | #define _PR_STAT_HAS_ONLY_ST_ATIME |
| michael@0 | 39 | |
| michael@0 | 40 | #define NEED_STRFTIME_LOCK |
| michael@0 | 41 | #define NEED_TIME_R |
| michael@0 | 42 | #define _PR_RECV_BROKEN /* recv doesn't work on Unix Domain Sockets */ |
| michael@0 | 43 | |
| michael@0 | 44 | #define USE_SETJMP |
| michael@0 | 45 | |
| michael@0 | 46 | #ifdef _PR_LOCAL_THREADS_ONLY |
| michael@0 | 47 | #include <setjmp.h> |
| michael@0 | 48 | |
| michael@0 | 49 | #define _MD_GET_SP(_t) (_t)->md.jb[4] |
| michael@0 | 50 | #define PR_NUM_GCREGS _SIGJBLEN |
| michael@0 | 51 | #define PR_CONTEXT_TYPE sigjmp_buf |
| michael@0 | 52 | |
| michael@0 | 53 | #define CONTEXT(_th) ((_th)->md.jb) |
| michael@0 | 54 | |
| michael@0 | 55 | #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ |
| michael@0 | 56 | { \ |
| michael@0 | 57 | *status = PR_TRUE; \ |
| michael@0 | 58 | if (sigsetjmp(CONTEXT(_thread),1)) { \ |
| michael@0 | 59 | (*_main)(); \ |
| michael@0 | 60 | } \ |
| michael@0 | 61 | _MD_GET_SP(_thread) = (int) ((_sp) - 64); \ |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | #define _MD_SWITCH_CONTEXT(_thread) \ |
| michael@0 | 65 | if (!sigsetjmp(CONTEXT(_thread), 1)) { \ |
| michael@0 | 66 | (_thread)->md.errcode = errno; \ |
| michael@0 | 67 | _PR_Schedule(); \ |
| michael@0 | 68 | } |
| michael@0 | 69 | |
| michael@0 | 70 | /* |
| michael@0 | 71 | ** Restore a thread context, saved by _MD_SWITCH_CONTEXT |
| michael@0 | 72 | */ |
| michael@0 | 73 | #define _MD_RESTORE_CONTEXT(_thread) \ |
| michael@0 | 74 | { \ |
| michael@0 | 75 | errno = (_thread)->osErrorCode; \ |
| michael@0 | 76 | _MD_SET_CURRENT_THREAD(_thread); \ |
| michael@0 | 77 | siglongjmp(CONTEXT(_thread), 1); \ |
| michael@0 | 78 | } |
| michael@0 | 79 | |
| michael@0 | 80 | #endif /* _PR_LOCAL_THREADS_ONLY */ |
| michael@0 | 81 | |
| michael@0 | 82 | struct _MDThread { |
| michael@0 | 83 | jmp_buf jb; |
| michael@0 | 84 | int id; |
| michael@0 | 85 | int errcode; |
| michael@0 | 86 | }; |
| michael@0 | 87 | |
| michael@0 | 88 | struct _MDThreadStack { |
| michael@0 | 89 | PRInt8 notused; |
| michael@0 | 90 | }; |
| michael@0 | 91 | |
| michael@0 | 92 | struct _MDLock { |
| michael@0 | 93 | PRInt8 notused; |
| michael@0 | 94 | }; |
| michael@0 | 95 | |
| michael@0 | 96 | struct _MDSemaphore { |
| michael@0 | 97 | PRInt8 notused; |
| michael@0 | 98 | }; |
| michael@0 | 99 | |
| michael@0 | 100 | struct _MDCVar { |
| michael@0 | 101 | PRInt8 notused; |
| michael@0 | 102 | }; |
| michael@0 | 103 | |
| michael@0 | 104 | struct _MDSegment { |
| michael@0 | 105 | PRInt8 notused; |
| michael@0 | 106 | }; |
| michael@0 | 107 | |
| michael@0 | 108 | /* |
| michael@0 | 109 | * md-specific cpu structure field |
| michael@0 | 110 | */ |
| michael@0 | 111 | #define _PR_MD_MAX_OSFD FD_SETSIZE |
| michael@0 | 112 | |
| michael@0 | 113 | struct _MDCPU_Unix { |
| michael@0 | 114 | PRCList ioQ; |
| michael@0 | 115 | PRUint32 ioq_timeout; |
| michael@0 | 116 | PRInt32 ioq_max_osfd; |
| michael@0 | 117 | PRInt32 ioq_osfd_cnt; |
| michael@0 | 118 | #ifndef _PR_USE_POLL |
| michael@0 | 119 | fd_set fd_read_set, fd_write_set, fd_exception_set; |
| michael@0 | 120 | PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], |
| michael@0 | 121 | fd_exception_cnt[_PR_MD_MAX_OSFD]; |
| michael@0 | 122 | #else |
| michael@0 | 123 | struct pollfd *ioq_pollfds; |
| michael@0 | 124 | int ioq_pollfds_size; |
| michael@0 | 125 | #endif /* _PR_USE_POLL */ |
| michael@0 | 126 | }; |
| michael@0 | 127 | |
| michael@0 | 128 | #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) |
| michael@0 | 129 | #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) |
| michael@0 | 130 | #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) |
| michael@0 | 131 | #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) |
| michael@0 | 132 | #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) |
| michael@0 | 133 | #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) |
| michael@0 | 134 | #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) |
| michael@0 | 135 | #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) |
| michael@0 | 136 | #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) |
| michael@0 | 137 | #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) |
| michael@0 | 138 | #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) |
| michael@0 | 139 | #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) |
| michael@0 | 140 | #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) |
| michael@0 | 141 | |
| michael@0 | 142 | #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 |
| michael@0 | 143 | |
| michael@0 | 144 | struct _MDCPU { |
| michael@0 | 145 | struct _MDCPU_Unix md_unix; |
| michael@0 | 146 | }; |
| michael@0 | 147 | |
| michael@0 | 148 | #define _MD_INIT_LOCKS() |
| michael@0 | 149 | #define _MD_NEW_LOCK(lock) PR_SUCCESS |
| michael@0 | 150 | #define _MD_FREE_LOCK(lock) |
| michael@0 | 151 | #define _MD_LOCK(lock) |
| michael@0 | 152 | #define _MD_UNLOCK(lock) |
| michael@0 | 153 | #define _MD_INIT_IO() |
| michael@0 | 154 | #define _MD_IOQ_LOCK() |
| michael@0 | 155 | #define _MD_IOQ_UNLOCK() |
| michael@0 | 156 | |
| michael@0 | 157 | #define _MD_EARLY_INIT _MD_EarlyInit |
| michael@0 | 158 | #define _MD_FINAL_INIT _PR_UnixInit |
| michael@0 | 159 | #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) |
| michael@0 | 160 | #define _MD_INIT_THREAD _MD_InitializeThread |
| michael@0 | 161 | #define _MD_EXIT_THREAD(thread) |
| michael@0 | 162 | #define _MD_SUSPEND_THREAD(thread) |
| michael@0 | 163 | #define _MD_RESUME_THREAD(thread) |
| michael@0 | 164 | #define _MD_CLEAN_THREAD(_thread) |
| michael@0 | 165 | |
| michael@0 | 166 | #define _MD_INTERVAL_USE_GTOD |
| michael@0 | 167 | |
| michael@0 | 168 | #define _MD_SELECT _select |
| michael@0 | 169 | #define _MD_POLL _poll |
| michael@0 | 170 | |
| michael@0 | 171 | #endif /* nspr_scoos5_defs_h___ */ |
