nsprpub/pr/include/md/_hpux.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

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     2 /* This Source Code Form is subject to the terms of the Mozilla Public
     3  * License, v. 2.0. If a copy of the MPL was not distributed with this
     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     6 #ifndef nspr_xhppa_defs_h___
     7 #define nspr_xhppa_defs_h___
     9 /*
    10  * Internal configuration macros
    11  */
    13 #define PR_LINKER_ARCH    "hpux"
    14 #define _PR_SI_SYSNAME   "HPUX"
    15 #ifdef __ia64
    16 #define _PR_SI_ARCHITECTURE "ia64"
    17 #define PR_DLL_SUFFIX        ".so"
    18 #else
    19 /*
    20  * _PR_SI_ARCHITECTURE must be "hppa1.1" for backward compatibility.
    21  * It was changed to "hppa" in NSPR 4.6.2, but was changed back in
    22  * NSPR 4.6.4.
    23  */
    24 #define _PR_SI_ARCHITECTURE "hppa1.1"
    25 #define PR_DLL_SUFFIX        ".sl"
    26 #endif
    28 #define _PR_VMBASE        0x30000000 
    29 #define _PR_STACK_VMBASE    0x50000000
    30 /*
    31  * _USE_BIG_FDS increases the size of fd_set from 256 bytes to
    32  * about 7500 bytes.  PR_Poll allocates three fd_sets on the
    33  * stack, so it is safer to also increase the default thread
    34  * stack size.
    35  */
    36 #define _MD_DEFAULT_STACK_SIZE    (2*65536L)
    37 #define _MD_MINIMUM_STACK_SIZE    (2*65536L)
    38 #define _MD_MMAP_FLAGS          MAP_PRIVATE
    40 #define NEED_TIME_R
    42 #define HAVE_STACK_GROWING_UP
    43 #undef	HAVE_WEAK_IO_SYMBOLS
    44 #undef	HAVE_WEAK_MALLOC_SYMBOLS
    45 #define	HAVE_DLL
    46 #ifdef IS_64
    47 #define USE_DLFCN
    48 #else
    49 #define USE_HPSHL
    50 #endif
    51 #ifndef HAVE_STRERROR
    52 #define HAVE_STRERROR
    53 #endif
    54 #define _PR_POLL_AVAILABLE
    55 #define _PR_USE_POLL
    56 #define _PR_STAT_HAS_ONLY_ST_ATIME
    57 #define _PR_HAVE_POSIX_SEMAPHORES
    58 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY
    59 #define _PR_ACCEPT_INHERIT_NONBLOCK
    61 #if defined(__ia64)
    62 #define _PR_HAVE_ATOMIC_OPS
    63 #define _MD_INIT_ATOMIC()
    64 extern PRInt32 _PR_ia64_AtomicIncrement(PRInt32 *val);
    65 #define _MD_ATOMIC_INCREMENT          _PR_ia64_AtomicIncrement
    66 extern PRInt32 _PR_ia64_AtomicDecrement(PRInt32 *val);
    67 #define _MD_ATOMIC_DECREMENT          _PR_ia64_AtomicDecrement
    68 extern PRInt32 _PR_ia64_AtomicAdd(PRInt32 *ptr, PRInt32 val);
    69 #define _MD_ATOMIC_ADD                _PR_ia64_AtomicAdd
    70 extern PRInt32 _PR_ia64_AtomicSet(PRInt32 *val, PRInt32 newval);
    71 #define _MD_ATOMIC_SET                _PR_ia64_AtomicSet
    72 #endif
    74 #define _PR_HAVE_GETIPNODEBYNAME
    75 #define _PR_HAVE_GETIPNODEBYADDR
    76 #define _PR_HAVE_GETADDRINFO
    77 #ifdef _PR_INET6
    78 #define _PR_HAVE_INET_NTOP
    79 #else
    80 #define _PR_INET6_PROBE
    82 /* for HP-UX 11.11 without IPv6 */
    83 #ifndef AF_INET6
    84 #define AF_INET6       22
    85 #define AI_CANONNAME   2
    86 #define AI_NUMERICHOST 4
    87 #define AI_NUMERICSERV 8
    88 #define AI_V4MAPPED    0x00000010
    89 #define AI_ADDRCONFIG  0x00000040
    90 #define AI_ALL         0x00000020
    91 #define AI_DEFAULT     (AI_V4MAPPED|AI_ADDRCONFIG)
    92 #define NI_NUMERICHOST 2
    93 struct addrinfo {
    94     int        ai_flags;    /* AI_PASSIVE, AI_CANONNAME */
    95     int        ai_family;   /* PF_xxx */
    96     int        ai_socktype; /* SOCK_xxx */
    97     int        ai_protocol; /* IPPROTO_xxx for IPv4 and IPv6 */
    98     socklen_t  ai_addrlen;  /* length of ai_addr */
    99     char            *ai_canonname;    /* canonical name for host */
   100     struct sockaddr *ai_addr;     /* binary address */
   101     struct addrinfo *ai_next;     /* next structure in linked list */
   102 };
   103 #endif    /* for HP-UX 11.11 without IPv6 */
   105 #define _PR_HAVE_MD_SOCKADDR_IN6
   106 /* isomorphic to struct in6_addr on HP-UX B.11.23 */
   107 struct _md_in6_addr {
   108     union {
   109         PRUint8   _S6_u8[16];
   110         PRUint16  _S6_u16[8];
   111         PRUint32  _S6_u32[4];
   112         PRUint32  __S6_align;
   113     } _s6_un;
   114 };
   115 /* isomorphic to struct sockaddr_in6 on HP-UX B.11.23 */
   116 struct _md_sockaddr_in6 {
   117     PRUint16 sin6_family;
   118     PRUint16 sin6_port;
   119     PRUint32 sin6_flowinfo;
   120     struct _md_in6_addr sin6_addr;
   121     PRUint32 sin6_scope_id;
   122 };
   123 #endif
   125 #if !defined(_PR_PTHREADS)
   127 #include <syscall.h>
   128 #include <setjmp.h>
   130 #define USE_SETJMP
   132 #define _MD_GET_SP(_t) (*((int *)((_t)->md.jb) + 1))
   133 #define PR_NUM_GCREGS _JBLEN
   134 /* Caveat: This makes jmp_buf full of doubles. */
   135 #define CONTEXT(_th) ((_th)->md.jb)
   137     /* Stack needs two frames (64 bytes) at the bottom */ \
   138 #define _MD_SET_THR_SP(_t, _sp)     ((_MD_GET_SP(_t)) = (int) (_sp + 64 *2))
   139 #define SAVE_CONTEXT(_th)           _setjmp(CONTEXT(_th))
   140 #define GOTO_CONTEXT(_th)           _longjmp(CONTEXT(_th), 1)
   142 #if !defined(PTHREADS_USER)
   144 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
   145 { \
   146     *(status) = PR_TRUE; \
   147     if (_setjmp(CONTEXT(_thread))) (*_main)(); \
   148     /* Stack needs two frames (64 bytes) at the bottom */ \
   149     (_MD_GET_SP(_thread)) = (int) ((_sp) + 64*2); \
   150 }
   152 #define _MD_SWITCH_CONTEXT(_thread) \
   153     if (!_setjmp(CONTEXT(_thread))) { \
   154     (_thread)->md.errcode = errno; \
   155     _PR_Schedule(); \
   156     }
   158 /*
   159 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
   160 */
   161 #define _MD_RESTORE_CONTEXT(_thread) \
   162 { \
   163     errno = (_thread)->md.errcode; \
   164     _MD_SET_CURRENT_THREAD(_thread); \
   165     _longjmp(CONTEXT(_thread), 1); \
   166 }
   168 /* Machine-dependent (MD) data structures.  HP-UX has no native threads. */
   170 struct _MDThread {
   171     jmp_buf jb;
   172     int id;
   173     int errcode;
   174 };
   176 struct _MDThreadStack {
   177     PRInt8 notused;
   178 };
   180 struct _MDLock {
   181     PRInt8 notused;
   182 };
   184 struct _MDSemaphore {
   185     PRInt8 notused;
   186 };
   188 struct _MDCVar {
   189     PRInt8 notused;
   190 };
   192 struct _MDSegment {
   193     PRInt8 notused;
   194 };
   196 /*
   197  * md-specific cpu structure field
   198  */
   199 #define _PR_MD_MAX_OSFD FD_SETSIZE
   201 struct _MDCPU_Unix {
   202     PRCList ioQ;
   203     PRUint32 ioq_timeout;
   204     PRInt32 ioq_max_osfd;
   205     PRInt32 ioq_osfd_cnt;
   206 #ifndef _PR_USE_POLL
   207     fd_set fd_read_set, fd_write_set, fd_exception_set;
   208     PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
   209 				fd_exception_cnt[_PR_MD_MAX_OSFD];
   210 #else
   211 	struct pollfd *ioq_pollfds;
   212 	int ioq_pollfds_size;
   213 #endif	/* _PR_USE_POLL */
   214 };
   216 #define _PR_IOQ(_cpu)			((_cpu)->md.md_unix.ioQ)
   217 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
   218 #define _PR_FD_READ_SET(_cpu)		((_cpu)->md.md_unix.fd_read_set)
   219 #define _PR_FD_READ_CNT(_cpu)		((_cpu)->md.md_unix.fd_read_cnt)
   220 #define _PR_FD_WRITE_SET(_cpu)		((_cpu)->md.md_unix.fd_write_set)
   221 #define _PR_FD_WRITE_CNT(_cpu)		((_cpu)->md.md_unix.fd_write_cnt)
   222 #define _PR_FD_EXCEPTION_SET(_cpu)	((_cpu)->md.md_unix.fd_exception_set)
   223 #define _PR_FD_EXCEPTION_CNT(_cpu)	((_cpu)->md.md_unix.fd_exception_cnt)
   224 #define _PR_IOQ_TIMEOUT(_cpu)		((_cpu)->md.md_unix.ioq_timeout)
   225 #define _PR_IOQ_MAX_OSFD(_cpu)		((_cpu)->md.md_unix.ioq_max_osfd)
   226 #define _PR_IOQ_OSFD_CNT(_cpu)		((_cpu)->md.md_unix.ioq_osfd_cnt)
   227 #define _PR_IOQ_POLLFDS(_cpu)		((_cpu)->md.md_unix.ioq_pollfds)
   228 #define _PR_IOQ_POLLFDS_SIZE(_cpu)	((_cpu)->md.md_unix.ioq_pollfds_size)
   230 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)	32
   232 struct _MDCPU {
   233     struct _MDCPU_Unix md_unix;
   234 };
   236 #define _MD_INIT_LOCKS()
   237 #define _MD_NEW_LOCK(lock) PR_SUCCESS
   238 #define _MD_FREE_LOCK(lock)
   239 #define _MD_LOCK(lock)
   240 #define _MD_UNLOCK(lock)
   241 #define _MD_INIT_IO()
   242 #define _MD_IOQ_LOCK()
   243 #define _MD_IOQ_UNLOCK()
   245 #define _MD_INIT_RUNNING_CPU(cpu)       _MD_unix_init_running_cpu(cpu)
   246 #define _MD_INIT_THREAD                 _MD_InitializeThread
   247 #define _MD_EXIT_THREAD(thread)
   248 #define _MD_SUSPEND_THREAD(thread)      _MD_suspend_thread
   249 #define _MD_RESUME_THREAD(thread)       _MD_resume_thread
   250 #define _MD_CLEAN_THREAD(_thread)
   252 #else /* PTHREADS_USER	*/
   254 #include "_nspr_pthread.h"
   256 #endif /* PTHREADS_USER	*/
   258 #endif  /* !defined(_PR_PTHREADS) */
   260 #if !defined(PTHREADS_USER)
   261 #define _MD_EARLY_INIT                 	_MD_EarlyInit
   262 #define _MD_FINAL_INIT					_PR_UnixInit
   263 #endif 
   265 #if defined(HPUX_LW_TIMER)
   266 extern void _PR_HPUX_LW_IntervalInit(void);
   267 extern PRIntervalTime _PR_HPUX_LW_GetInterval(void);
   268 #define _MD_INTERVAL_INIT                 _PR_HPUX_LW_IntervalInit
   269 #define _MD_GET_INTERVAL                  _PR_HPUX_LW_GetInterval
   270 #define _MD_INTERVAL_PER_SEC()            1000
   271 #else
   272 #define _MD_INTERVAL_USE_GTOD
   273 #endif
   275 /*
   276  * We wrapped the select() call.  _MD_SELECT refers to the built-in,
   277  * unwrapped version.
   278  */
   279 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
   281 #include <poll.h>
   282 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
   284 #ifdef HPUX11
   285 extern void _MD_hpux_map_sendfile_error(int err);
   286 #endif /* HPUX11 */
   288 #endif /* nspr_xhppa_defs_h___ */

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