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nsprpub/pr/include/md/_riscos.h@7e26c7da4463 (annotated)

nsprpub/pr/include/md/_riscos.h

Wed, 31 Dec 2014 06:55:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:55:50 +0100
changeset 2
7e26c7da4463
permissions
-rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

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_riscos_defs_h___
michael@0 7 #define nspr_riscos_defs_h___
michael@0 8
michael@0 9 /*
michael@0 10 ** Internal configuration macros
michael@0 11 */
michael@0 12 #define PR_LINKER_ARCH "riscos"
michael@0 13 #define _PR_SI_SYSNAME "RISCOS"
michael@0 14 #define _PR_SI_ARCHITECTURE "arm"
michael@0 15 #define PR_DLL_SUFFIX ".so"
michael@0 16
michael@0 17 #define _PR_POLL_AVAILABLE
michael@0 18 #define _PR_USE_POLL
michael@0 19 #define _PR_HAVE_SOCKADDR_LEN
michael@0 20 #undef HAVE_BSD_FLOCK
michael@0 21 #define _PR_NO_LARGE_FILES
michael@0 22 #define _PR_STAT_HAS_ONLY_ST_ATIME
michael@0 23 #define _PR_HAVE_POSIX_SEMAPHORES
michael@0 24
michael@0 25 #include <sys/select.h>
michael@0 26 #include <sys/poll.h>
michael@0 27 #include <kernel.h>
michael@0 28
michael@0 29
michael@0 30 #undef HAVE_STACK_GROWING_UP
michael@0 31 #define HAVE_DLL
michael@0 32 #define USE_DLFCN
michael@0 33 #define NEED_STRFTIME_LOCK
michael@0 34 #define NEED_TIME_R
michael@0 35 #define PT_NO_SIGTIMEDWAIT
michael@0 36
michael@0 37 #ifndef HAVE_STRERROR
michael@0 38 #define HAVE_STRERROR
michael@0 39 #endif
michael@0 40
michael@0 41 #define USE_SETJMP
michael@0 42
michael@0 43 #include <setjmp.h>
michael@0 44
michael@0 45 #define _SETJMP setjmp
michael@0 46 #define _LONGJMP longjmp
michael@0 47 #define _PR_CONTEXT_TYPE jmp_buf
michael@0 48 #define _PR_NUM_GCREGS _JBLEN
michael@0 49 #define _MD_GET_SP(_t) (_t)->md.context[7]
michael@0 50
michael@0 51 #define CONTEXT(_th) ((_th)->md.context)
michael@0 52
michael@0 53
michael@0 54 /*
michael@0 55 ** Initialize the thread context preparing it to execute _main.
michael@0 56 */
michael@0 57 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
michael@0 58 { \
michael@0 59 *status = PR_TRUE; \
michael@0 60 if(_SETJMP(CONTEXT(_thread))) (*_main)(); \
michael@0 61 _MD_GET_SP(_thread) = (int) ((_sp) - 128); \
michael@0 62 }
michael@0 63
michael@0 64 #define _MD_SWITCH_CONTEXT(_thread) \
michael@0 65 if (!_SETJMP(CONTEXT(_thread))) { \
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)->md.errcode; \
michael@0 76 _MD_SET_CURRENT_THREAD(_thread); \
michael@0 77 _LONGJMP(CONTEXT(_thread), 1); \
michael@0 78 }
michael@0 79
michael@0 80 /*
michael@0 81 ** Machine-dependent (MD) data structures.
michael@0 82 */
michael@0 83 struct _MDThread {
michael@0 84 _PR_CONTEXT_TYPE context;
michael@0 85 int id;
michael@0 86 int errcode;
michael@0 87 };
michael@0 88
michael@0 89 struct _MDThreadStack {
michael@0 90 PRInt8 notused;
michael@0 91 };
michael@0 92
michael@0 93 struct _MDLock {
michael@0 94 PRInt8 notused;
michael@0 95 };
michael@0 96
michael@0 97 struct _MDSemaphore {
michael@0 98 PRInt8 notused;
michael@0 99 };
michael@0 100
michael@0 101 struct _MDCVar {
michael@0 102 PRInt8 notused;
michael@0 103 };
michael@0 104
michael@0 105 struct _MDSegment {
michael@0 106 PRInt8 notused;
michael@0 107 };
michael@0 108
michael@0 109 /*
michael@0 110 ** md-specific cpu structure field
michael@0 111 */
michael@0 112 #define _PR_MD_MAX_OSFD FD_SETSIZE
michael@0 113
michael@0 114 struct _MDCPU_Unix {
michael@0 115 PRCList ioQ;
michael@0 116 PRUint32 ioq_timeout;
michael@0 117 PRInt32 ioq_max_osfd;
michael@0 118 PRInt32 ioq_osfd_cnt;
michael@0 119 #ifndef _PR_USE_POLL
michael@0 120 fd_set fd_read_set, fd_write_set, fd_exception_set;
michael@0 121 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], 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
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_INTERVAL_USE_GTOD
michael@0 158 #define _MD_EARLY_INIT _MD_EarlyInit
michael@0 159 #define _MD_FINAL_INIT _PR_UnixInit
michael@0 160 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
michael@0 161 #define _MD_INIT_THREAD _MD_InitializeThread
michael@0 162 #define _MD_EXIT_THREAD(thread)
michael@0 163 #define _MD_SUSPEND_THREAD(thread)
michael@0 164 #define _MD_RESUME_THREAD(thread)
michael@0 165 #define _MD_CLEAN_THREAD(_thread)
michael@0 166
michael@0 167 /*
michael@0 168 ** We wrapped the select() call. _MD_SELECT refers to the built-in,
michael@0 169 ** unwrapped version.
michael@0 170 */
michael@0 171 #include <sys/time.h>
michael@0 172 #include <sys/types.h>
michael@0 173 #include <sys/select.h>
michael@0 174 #define _MD_SELECT select
michael@0 175
michael@0 176 #endif /* nspr_riscos_defs_h___ */

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