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nsprpub/pr/include/md/_unixware.h@44a2da4a2ab2 (annotated)

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

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