1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/include/md/_riscos.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,176 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nspr_riscos_defs_h___
1.10 +#define nspr_riscos_defs_h___
1.11 +
1.12 +/*
1.13 +** Internal configuration macros
1.14 +*/
1.15 +#define PR_LINKER_ARCH "riscos"
1.16 +#define _PR_SI_SYSNAME "RISCOS"
1.17 +#define _PR_SI_ARCHITECTURE "arm"
1.18 +#define PR_DLL_SUFFIX ".so"
1.19 +
1.20 +#define _PR_POLL_AVAILABLE
1.21 +#define _PR_USE_POLL
1.22 +#define _PR_HAVE_SOCKADDR_LEN
1.23 +#undef HAVE_BSD_FLOCK
1.24 +#define _PR_NO_LARGE_FILES
1.25 +#define _PR_STAT_HAS_ONLY_ST_ATIME
1.26 +#define _PR_HAVE_POSIX_SEMAPHORES
1.27 +
1.28 +#include <sys/select.h>
1.29 +#include <sys/poll.h>
1.30 +#include <kernel.h>
1.31 +
1.32 +
1.33 +#undef HAVE_STACK_GROWING_UP
1.34 +#define HAVE_DLL
1.35 +#define USE_DLFCN
1.36 +#define NEED_STRFTIME_LOCK
1.37 +#define NEED_TIME_R
1.38 +#define PT_NO_SIGTIMEDWAIT
1.39 +
1.40 +#ifndef HAVE_STRERROR
1.41 +#define HAVE_STRERROR
1.42 +#endif
1.43 +
1.44 +#define USE_SETJMP
1.45 +
1.46 +#include <setjmp.h>
1.47 +
1.48 +#define _SETJMP setjmp
1.49 +#define _LONGJMP longjmp
1.50 +#define _PR_CONTEXT_TYPE jmp_buf
1.51 +#define _PR_NUM_GCREGS _JBLEN
1.52 +#define _MD_GET_SP(_t) (_t)->md.context[7]
1.53 +
1.54 +#define CONTEXT(_th) ((_th)->md.context)
1.55 +
1.56 +
1.57 +/*
1.58 +** Initialize the thread context preparing it to execute _main.
1.59 +*/
1.60 +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
1.61 +{ \
1.62 + *status = PR_TRUE; \
1.63 + if(_SETJMP(CONTEXT(_thread))) (*_main)(); \
1.64 + _MD_GET_SP(_thread) = (int) ((_sp) - 128); \
1.65 +}
1.66 +
1.67 +#define _MD_SWITCH_CONTEXT(_thread) \
1.68 + if (!_SETJMP(CONTEXT(_thread))) { \
1.69 + (_thread)->md.errcode = errno; \
1.70 + _PR_Schedule(); \
1.71 + }
1.72 +
1.73 +/*
1.74 +** Restore a thread context, saved by _MD_SWITCH_CONTEXT
1.75 +*/
1.76 +#define _MD_RESTORE_CONTEXT(_thread) \
1.77 +{ \
1.78 + errno = (_thread)->md.errcode; \
1.79 + _MD_SET_CURRENT_THREAD(_thread); \
1.80 + _LONGJMP(CONTEXT(_thread), 1); \
1.81 +}
1.82 +
1.83 +/*
1.84 +** Machine-dependent (MD) data structures.
1.85 +*/
1.86 +struct _MDThread {
1.87 + _PR_CONTEXT_TYPE context;
1.88 + int id;
1.89 + int errcode;
1.90 +};
1.91 +
1.92 +struct _MDThreadStack {
1.93 + PRInt8 notused;
1.94 +};
1.95 +
1.96 +struct _MDLock {
1.97 + PRInt8 notused;
1.98 +};
1.99 +
1.100 +struct _MDSemaphore {
1.101 + PRInt8 notused;
1.102 +};
1.103 +
1.104 +struct _MDCVar {
1.105 + PRInt8 notused;
1.106 +};
1.107 +
1.108 +struct _MDSegment {
1.109 + PRInt8 notused;
1.110 +};
1.111 +
1.112 +/*
1.113 +** md-specific cpu structure field
1.114 +*/
1.115 +#define _PR_MD_MAX_OSFD FD_SETSIZE
1.116 +
1.117 +struct _MDCPU_Unix {
1.118 + PRCList ioQ;
1.119 + PRUint32 ioq_timeout;
1.120 + PRInt32 ioq_max_osfd;
1.121 + PRInt32 ioq_osfd_cnt;
1.122 +#ifndef _PR_USE_POLL
1.123 + fd_set fd_read_set, fd_write_set, fd_exception_set;
1.124 + PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD];
1.125 +#else
1.126 + struct pollfd *ioq_pollfds;
1.127 + int ioq_pollfds_size;
1.128 +#endif
1.129 +};
1.130 +
1.131 +#define _PR_IOQ(_cpu) /* */ ((_cpu)->md.md_unix.ioQ)
1.132 +#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
1.133 +#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
1.134 +#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
1.135 +#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
1.136 +#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
1.137 +#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
1.138 +#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
1.139 +#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
1.140 +#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
1.141 +#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
1.142 +#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
1.143 +#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
1.144 +
1.145 +#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
1.146 +
1.147 +struct _MDCPU {
1.148 + struct _MDCPU_Unix md_unix;
1.149 +};
1.150 +
1.151 +#define _MD_INIT_LOCKS()
1.152 +#define _MD_NEW_LOCK(lock) PR_SUCCESS
1.153 +#define _MD_FREE_LOCK(lock)
1.154 +#define _MD_LOCK(lock)
1.155 +#define _MD_UNLOCK(lock)
1.156 +#define _MD_INIT_IO()
1.157 +#define _MD_IOQ_LOCK()
1.158 +#define _MD_IOQ_UNLOCK()
1.159 +
1.160 +#define _MD_INTERVAL_USE_GTOD
1.161 +#define _MD_EARLY_INIT _MD_EarlyInit
1.162 +#define _MD_FINAL_INIT _PR_UnixInit
1.163 +#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
1.164 +#define _MD_INIT_THREAD _MD_InitializeThread
1.165 +#define _MD_EXIT_THREAD(thread)
1.166 +#define _MD_SUSPEND_THREAD(thread)
1.167 +#define _MD_RESUME_THREAD(thread)
1.168 +#define _MD_CLEAN_THREAD(_thread)
1.169 +
1.170 +/*
1.171 +** We wrapped the select() call. _MD_SELECT refers to the built-in,
1.172 +** unwrapped version.
1.173 +*/
1.174 +#include <sys/time.h>
1.175 +#include <sys/types.h>
1.176 +#include <sys/select.h>
1.177 +#define _MD_SELECT select
1.178 +
1.179 +#endif /* nspr_riscos_defs_h___ */
