1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/include/md/_aix.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,225 @@
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_aix_defs_h___
1.10 +#define nspr_aix_defs_h___
1.11 +
1.12 +#include <sys/types.h>
1.13 +#if defined(_PR_PTHREADS) || defined(PTHREADS_USER)
1.14 +#include <pthread.h>
1.15 +#endif
1.16 +
1.17 +/*
1.18 + * To pick up fd_set and the poll events.
1.19 + */
1.20 +#include <sys/select.h>
1.21 +#include <sys/poll.h>
1.22 +
1.23 +/*
1.24 + * Internal configuration macros
1.25 + */
1.26 +
1.27 +#define PR_LINKER_ARCH "aix"
1.28 +#define _PR_SI_SYSNAME "AIX"
1.29 +#define _PR_SI_ARCHITECTURE "rs6000"
1.30 +#define PR_DLL_SUFFIX ".so"
1.31 +
1.32 +#define _PR_VMBASE 0x30000000
1.33 +#define _PR_STACK_VMBASE 0x50000000
1.34 +#define _MD_DEFAULT_STACK_SIZE (2*65536L)
1.35 +#define _MD_MINIMUM_STACK_SIZE (2*65536L)
1.36 +#define _MD_MMAP_FLAGS MAP_PRIVATE
1.37 +
1.38 +#define NEED_TIME_R
1.39 +#undef HAVE_STACK_GROWING_UP
1.40 +#undef HAVE_WEAK_IO_SYMBOLS
1.41 +#undef HAVE_WEAK_MALLOC_SYMBOLS
1.42 +#define HAVE_DLL
1.43 +#define USE_DLFCN
1.44 +#define _PR_HAVE_SOCKADDR_LEN
1.45 +#define _PR_POLL_AVAILABLE
1.46 +#define _PR_USE_POLL
1.47 +#define _PR_STAT_HAS_ONLY_ST_ATIME
1.48 +#ifdef _PR_INET6
1.49 +#define _PR_HAVE_INET_NTOP
1.50 +#define _PR_HAVE_GETHOSTBYNAME2
1.51 +#ifdef _AIX51 /* AIX 4.3.3 does not have AI_NUMERICHOST. */
1.52 +#define _PR_HAVE_GETADDRINFO
1.53 +#endif
1.54 +#endif
1.55 +#define _PR_HAVE_SYSV_SEMAPHORES
1.56 +#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
1.57 +#define _PR_ACCEPT_INHERIT_NONBLOCK
1.58 +
1.59 +/* Timer operations */
1.60 +#if defined(AIX_TIMERS)
1.61 +#define _MD_INTERVAL_INIT()
1.62 +
1.63 +extern PRIntervalTime _MD_AixGetInterval(void);
1.64 +#define _MD_GET_INTERVAL _MD_AixGetInterval
1.65 +
1.66 +extern PRIntervalTime _MD_AixIntervalPerSec(void);
1.67 +#define _MD_INTERVAL_PER_SEC _MD_AixIntervalPerSec
1.68 +
1.69 +#else /* defined(AIX_TIMERS) */
1.70 +#define _MD_INTERVAL_USE_GTOD
1.71 +#endif /* defined(AIX_TIMERS) */
1.72 +
1.73 +#ifdef AIX_HAVE_ATOMIC_OP_H
1.74 +/* The atomic operations */
1.75 +#include <sys/atomic_op.h>
1.76 +#define _PR_HAVE_ATOMIC_OPS
1.77 +#ifndef IS_64
1.78 +#define _PR_HAVE_ATOMIC_CAS
1.79 +#endif
1.80 +#define _MD_INIT_ATOMIC()
1.81 +#define _MD_ATOMIC_INCREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, 1) + 1)
1.82 +#define _MD_ATOMIC_ADD(ptr, val) ((PRInt32)fetch_and_add((atomic_p)ptr, val) + val)
1.83 +#define _MD_ATOMIC_DECREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, -1) - 1)
1.84 +#define _MD_ATOMIC_SET(val, newval) _AIX_AtomicSet(val, newval)
1.85 +#endif /* AIX_HAVE_ATOMIC_OP_H */
1.86 +
1.87 +#define USE_SETJMP
1.88 +
1.89 +#include <setjmp.h>
1.90 +
1.91 +#define _MD_GET_SP(_t) (_t)->md.jb[3]
1.92 +#define _MD_SET_THR_SP(_t, _sp) ((_t)->md.jb[3] = (int) (_sp - 2 * 64))
1.93 +#define PR_NUM_GCREGS _JBLEN
1.94 +
1.95 +#define CONTEXT(_th) ((_th)->md.jb)
1.96 +#define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th))
1.97 +#define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1)
1.98 +
1.99 +#ifdef PTHREADS_USER
1.100 +#include "_nspr_pthread.h"
1.101 +#else
1.102 +
1.103 +/*
1.104 +** Initialize the thread context preparing it to execute _main.
1.105 +*/
1.106 +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
1.107 + PR_BEGIN_MACRO \
1.108 + *status = PR_TRUE; \
1.109 + if (setjmp(CONTEXT(_thread))) { \
1.110 + (*_main)(); \
1.111 + } \
1.112 + _MD_GET_SP(_thread) = (int) (_sp - 2 * 64); \
1.113 + PR_END_MACRO
1.114 +
1.115 +#define _MD_SWITCH_CONTEXT(_thread) \
1.116 + if (!setjmp(CONTEXT(_thread))) { \
1.117 + (_thread)->md.errcode = errno; \
1.118 + _PR_Schedule(); \
1.119 + }
1.120 +
1.121 +/*
1.122 +** Restore a thread context, saved by _MD_SWITCH_CONTEXT
1.123 +*/
1.124 +#define _MD_RESTORE_CONTEXT(_thread) \
1.125 +{ \
1.126 + errno = (_thread)->md.errcode; \
1.127 + _MD_SET_CURRENT_THREAD(_thread); \
1.128 + longjmp(CONTEXT(_thread), 1); \
1.129 +}
1.130 +
1.131 +/* Machine-dependent (MD) data structures */
1.132 +
1.133 +struct _MDThread {
1.134 + jmp_buf jb;
1.135 + int id;
1.136 + int errcode;
1.137 +};
1.138 +
1.139 +struct _MDThreadStack {
1.140 + PRInt8 notused;
1.141 +};
1.142 +
1.143 +struct _MDLock {
1.144 + PRInt8 notused;
1.145 +};
1.146 +
1.147 +struct _MDSemaphore {
1.148 + PRInt8 notused;
1.149 +};
1.150 +
1.151 +struct _MDCVar {
1.152 + PRInt8 notused;
1.153 +};
1.154 +
1.155 +struct _MDSegment {
1.156 + PRInt8 notused;
1.157 +};
1.158 +
1.159 +/*
1.160 + * md-specific cpu structure field
1.161 + */
1.162 +#define _PR_MD_MAX_OSFD FD_SETSIZE
1.163 +
1.164 +struct _MDCPU_Unix {
1.165 + PRCList ioQ;
1.166 + PRUint32 ioq_timeout;
1.167 + PRInt32 ioq_max_osfd;
1.168 + PRInt32 ioq_osfd_cnt;
1.169 +#ifndef _PR_USE_POLL
1.170 + fd_set fd_read_set, fd_write_set, fd_exception_set;
1.171 + PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
1.172 + fd_exception_cnt[_PR_MD_MAX_OSFD];
1.173 +#else
1.174 + struct pollfd *ioq_pollfds;
1.175 + int ioq_pollfds_size;
1.176 +#endif /* _PR_USE_POLL */
1.177 +};
1.178 +
1.179 +#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
1.180 +#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
1.181 +#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
1.182 +#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
1.183 +#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
1.184 +#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
1.185 +#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
1.186 +#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
1.187 +#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
1.188 +#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
1.189 +#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
1.190 +#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
1.191 +#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
1.192 +
1.193 +#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
1.194 +
1.195 +struct _MDCPU {
1.196 + struct _MDCPU_Unix md_unix;
1.197 +};
1.198 +
1.199 +#if !defined(_PR_PTHREADS)
1.200 +#define _MD_INIT_LOCKS()
1.201 +#endif
1.202 +
1.203 +#define _MD_NEW_LOCK(lock) PR_SUCCESS
1.204 +#define _MD_FREE_LOCK(lock)
1.205 +#define _MD_LOCK(lock)
1.206 +#define _MD_UNLOCK(lock)
1.207 +#define _MD_INIT_IO()
1.208 +#define _MD_IOQ_LOCK()
1.209 +#define _MD_IOQ_UNLOCK()
1.210 +
1.211 +#define _MD_EARLY_INIT _MD_EarlyInit
1.212 +#define _MD_FINAL_INIT _PR_UnixInit
1.213 +#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
1.214 +#define _MD_INIT_THREAD _MD_InitializeThread
1.215 +#define _MD_EXIT_THREAD(thread)
1.216 +#define _MD_SUSPEND_THREAD(thread)
1.217 +#define _MD_RESUME_THREAD(thread)
1.218 +#define _MD_CLEAN_THREAD(_thread)
1.219 +#endif /* PTHREADS_USER */
1.220 +
1.221 +#ifdef AIX_RENAME_SELECT
1.222 +#define _MD_SELECT select
1.223 +#define _MD_POLL poll
1.224 +#endif
1.225 +
1.226 +extern void _MD_aix_map_sendfile_error(int err);
1.227 +
1.228 +#endif /* nspr_aix_defs_h___ */
