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

nsprpub/pr/include/md/_bsdi.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_bsdi_defs_h___
michael@0 7 #define nspr_bsdi_defs_h___
michael@0 8
michael@0 9 /*
michael@0 10 * Internal configuration macros
michael@0 11 */
michael@0 12
michael@0 13 #include <sys/param.h> /* for _BSDI_VERSION */
michael@0 14
michael@0 15 #define PR_LINKER_ARCH "bsdi"
michael@0 16 #define _PR_SI_SYSNAME "BSDI"
michael@0 17 #if defined(__i386__)
michael@0 18 #define _PR_SI_ARCHITECTURE "x86"
michael@0 19 #elif defined(__sparc__)
michael@0 20 #define _PR_SI_ARCHITECTURE "sparc"
michael@0 21 #else
michael@0 22 #error "Unknown CPU architecture"
michael@0 23 #endif
michael@0 24 #define PR_DLL_SUFFIX ".so"
michael@0 25
michael@0 26 #define _PR_STACK_VMBASE 0x50000000
michael@0 27 #define _MD_DEFAULT_STACK_SIZE 65536L
michael@0 28 #define _MD_MMAP_FLAGS MAP_PRIVATE
michael@0 29
michael@0 30 #define HAVE_BSD_FLOCK
michael@0 31 #define NEED_TIME_R
michael@0 32 #define _PR_HAVE_SOCKADDR_LEN
michael@0 33 #define _PR_NO_LARGE_FILES
michael@0 34
michael@0 35 #define USE_SETJMP
michael@0 36
michael@0 37 /* BSD/OS 4.3 and newer all have IPv6 support */
michael@0 38 #if _BSDI_VERSION >= 200105
michael@0 39 #define _PR_INET6
michael@0 40 #define _PR_HAVE_INET_NTOP
michael@0 41 #define _PR_HAVE_GETIPNODEBYNAME
michael@0 42 #define _PR_HAVE_GETIPNODEBYADDR
michael@0 43 #define _PR_HAVE_GETADDRINFO
michael@0 44 #define _PR_INET6_PROBE
michael@0 45 #endif
michael@0 46
michael@0 47 #ifndef _PR_PTHREADS
michael@0 48
michael@0 49 #include <setjmp.h>
michael@0 50
michael@0 51 #if defined(_PR_BSDI_JMPBUF_IS_ARRAY)
michael@0 52 #define _MD_GET_SP(_t) (_t)->md.context[2]
michael@0 53 #elif defined(_PR_BSDI_JMPBUF_IS_STRUCT)
michael@0 54 #define _MD_GET_SP(_t) (_t)->md.context[0].jb_esp
michael@0 55 #else
michael@0 56 #error "Unknown BSDI jmp_buf type"
michael@0 57 #endif
michael@0 58
michael@0 59 #define PR_NUM_GCREGS _JBLEN
michael@0 60 #define PR_CONTEXT_TYPE jmp_buf
michael@0 61
michael@0 62 #define CONTEXT(_th) ((_th)->md.context)
michael@0 63
michael@0 64 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
michael@0 65 { \
michael@0 66 *status = PR_TRUE; \
michael@0 67 if (setjmp(CONTEXT(_thread))) { \
michael@0 68 _main(); \
michael@0 69 } \
michael@0 70 _MD_GET_SP(_thread) = (int) (_sp - 64); \
michael@0 71 }
michael@0 72
michael@0 73 #define _MD_SWITCH_CONTEXT(_thread) \
michael@0 74 if (!setjmp(CONTEXT(_thread))) { \
michael@0 75 (_thread)->md.errcode = errno; \
michael@0 76 _PR_Schedule(); \
michael@0 77 }
michael@0 78
michael@0 79 /*
michael@0 80 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
michael@0 81 */
michael@0 82 #define _MD_RESTORE_CONTEXT(_thread) \
michael@0 83 { \
michael@0 84 errno = (_thread)->md.errcode; \
michael@0 85 _MD_SET_CURRENT_THREAD(_thread); \
michael@0 86 longjmp(CONTEXT(_thread), 1); \
michael@0 87 }
michael@0 88
michael@0 89 /* Machine-dependent (MD) data structures */
michael@0 90
michael@0 91 struct _MDThread {
michael@0 92 PR_CONTEXT_TYPE context;
michael@0 93 int id;
michael@0 94 int errcode;
michael@0 95 };
michael@0 96
michael@0 97 struct _MDThreadStack {
michael@0 98 PRInt8 notused;
michael@0 99 };
michael@0 100
michael@0 101 struct _MDLock {
michael@0 102 PRInt8 notused;
michael@0 103 };
michael@0 104
michael@0 105 struct _MDSemaphore {
michael@0 106 PRInt8 notused;
michael@0 107 };
michael@0 108
michael@0 109 struct _MDCVar {
michael@0 110 PRInt8 notused;
michael@0 111 };
michael@0 112
michael@0 113 struct _MDSegment {
michael@0 114 PRInt8 notused;
michael@0 115 };
michael@0 116
michael@0 117 /*
michael@0 118 * md-specific cpu structure field
michael@0 119 */
michael@0 120 #define _PR_MD_MAX_OSFD FD_SETSIZE
michael@0 121
michael@0 122 struct _MDCPU_Unix {
michael@0 123 PRCList ioQ;
michael@0 124 PRUint32 ioq_timeout;
michael@0 125 PRInt32 ioq_max_osfd;
michael@0 126 PRInt32 ioq_osfd_cnt;
michael@0 127 #ifndef _PR_USE_POLL
michael@0 128 fd_set fd_read_set, fd_write_set, fd_exception_set;
michael@0 129 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
michael@0 130 fd_exception_cnt[_PR_MD_MAX_OSFD];
michael@0 131 #else
michael@0 132 struct pollfd *ioq_pollfds;
michael@0 133 int ioq_pollfds_size;
michael@0 134 #endif /* _PR_USE_POLL */
michael@0 135 };
michael@0 136
michael@0 137 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
michael@0 138 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
michael@0 139 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
michael@0 140 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
michael@0 141 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
michael@0 142 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
michael@0 143 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
michael@0 144 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
michael@0 145 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
michael@0 146 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
michael@0 147 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
michael@0 148 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
michael@0 149 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
michael@0 150
michael@0 151 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
michael@0 152
michael@0 153 struct _MDCPU {
michael@0 154 struct _MDCPU_Unix md_unix;
michael@0 155 };
michael@0 156
michael@0 157 #define _MD_INIT_LOCKS()
michael@0 158 #define _MD_NEW_LOCK(lock) PR_SUCCESS
michael@0 159 #define _MD_FREE_LOCK(lock)
michael@0 160 #define _MD_LOCK(lock)
michael@0 161 #define _MD_UNLOCK(lock)
michael@0 162 #define _MD_INIT_IO()
michael@0 163 #define _MD_IOQ_LOCK()
michael@0 164 #define _MD_IOQ_UNLOCK()
michael@0 165
michael@0 166 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
michael@0 167 #define _MD_INIT_THREAD _MD_InitializeThread
michael@0 168 #define _MD_EXIT_THREAD(thread)
michael@0 169 #define _MD_CLEAN_THREAD(_thread)
michael@0 170
michael@0 171 #endif /* ! _PR_PTHREADS */
michael@0 172
michael@0 173 #define _MD_EARLY_INIT _MD_EarlyInit
michael@0 174 #define _MD_FINAL_INIT _PR_UnixInit
michael@0 175
michael@0 176 #include <sys/syscall.h>
michael@0 177 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
michael@0 178
michael@0 179 #define _MD_INTERVAL_USE_GTOD
michael@0 180
michael@0 181 #endif /* nspr_bsdi_defs_h___ */

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