nsprpub/pr/include/md/_qnx.h@44a2da4a2ab2
nsprpub/pr/include/md/_qnx.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_qnx_defs_h___
7 #define nspr_qnx_defs_h___
9 /*
10 ** Internal configuration macros
11 */
12 #define PR_LINKER_ARCH "qnx"
13 #define _PR_SI_SYSNAME "QNX"
14 #define _PR_SI_ARCHITECTURE "x86"
15 #define PR_DLL_SUFFIX ".so"
17 #define _PR_VMBASE 0x30000000
18 #define _PR_STACK_VMBASE 0x50000000
19 #define _MD_DEFAULT_STACK_SIZE 65536L
20 #define _MD_MMAP_FLAGS MAP_PRIVATE
22 #ifndef HAVE_WEAK_IO_SYMBOLS
23 #define HAVE_WEAK_IO_SYMBOLS
24 #endif
26 #undef _PR_POLL_AVAILABLE
27 #undef _PR_USE_POLL
28 #define _PR_HAVE_SOCKADDR_LEN
29 #define HAVE_BSD_FLOCK
30 #define _PR_NO_LARGE_FILES
31 #define _PR_STAT_HAS_ONLY_ST_ATIME
33 #include <sys/select.h>
35 #undef HAVE_STACK_GROWING_UP
36 #undef HAVE_DLL
37 #undef USE_DLFCN
38 #define NEED_STRFTIME_LOCK
39 #define NEED_TIME_R
40 #define _PR_NEED_STRCASECMP
42 #ifndef HAVE_STRERROR
43 #define HAVE_STRERROR
44 #endif
46 #define USE_SETJMP
48 #include <setjmp.h>
50 #define _SETJMP setjmp
51 #define _LONGJMP longjmp
52 #define _PR_CONTEXT_TYPE jmp_buf
53 #define _PR_NUM_GCREGS _JBLEN
54 #define _MD_GET_SP(_t) (_t)->md.context[7]
56 #define CONTEXT(_th) ((_th)->md.context)
58 /*
59 ** Initialize the thread context preparing it to execute _main.
60 */
61 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
62 { \
63 *status = PR_TRUE; \
64 if(_SETJMP(CONTEXT(_thread))) (*_main)(); \
65 _MD_GET_SP(_thread) = (int) ((_sp) - 128); \
66 }
68 #define _MD_SWITCH_CONTEXT(_thread) \
69 if (!_SETJMP(CONTEXT(_thread))) { \
70 (_thread)->md.errcode = errno; \
71 _PR_Schedule(); \
72 }
74 /*
75 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
76 */
77 #define _MD_RESTORE_CONTEXT(_thread) \
78 { \
79 errno = (_thread)->md.errcode; \
80 _MD_SET_CURRENT_THREAD(_thread); \
81 _LONGJMP(CONTEXT(_thread), 1); \
82 }
84 /*
85 ** Machine-dependent (MD) data structures.
86 */
87 struct _MDThread {
88 _PR_CONTEXT_TYPE context;
89 int id;
90 int errcode;
91 };
93 struct _MDThreadStack {
94 PRInt8 notused;
95 };
97 struct _MDLock {
98 PRInt8 notused;
99 };
101 struct _MDSemaphore {
102 PRInt8 notused;
103 };
105 struct _MDCVar {
106 PRInt8 notused;
107 };
109 struct _MDSegment {
110 PRInt8 notused;
111 };
113 /*
114 ** md-specific cpu structure field
115 */
116 #define _PR_MD_MAX_OSFD FD_SETSIZE
118 struct _MDCPU_Unix {
119 PRCList ioQ;
120 PRUint32 ioq_timeout;
121 PRInt32 ioq_max_osfd;
122 PRInt32 ioq_osfd_cnt;
123 #ifndef _PR_USE_POLL
124 fd_set fd_read_set, fd_write_set, fd_exception_set;
125 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD];
126 #else
127 struct pollfd *ioq_pollfds;
128 int ioq_pollfds_size;
129 #endif
130 };
132 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
133 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
134 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
135 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
136 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
137 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
138 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
139 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
140 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
141 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
142 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
143 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
144 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
146 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
148 struct _MDCPU {
149 struct _MDCPU_Unix md_unix;
150 };
152 #define _MD_INIT_LOCKS()
153 #define _MD_NEW_LOCK(lock) PR_SUCCESS
154 #define _MD_FREE_LOCK(lock)
155 #define _MD_LOCK(lock)
156 #define _MD_UNLOCK(lock)
157 #define _MD_INIT_IO()
158 #define _MD_IOQ_LOCK()
159 #define _MD_IOQ_UNLOCK()
161 #define _MD_INTERVAL_USE_GTOD
162 #define _MD_EARLY_INIT _MD_EarlyInit
163 #define _MD_FINAL_INIT _PR_UnixInit
164 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
165 #define _MD_INIT_THREAD _MD_InitializeThread
166 #define _MD_EXIT_THREAD(thread)
167 #define _MD_SUSPEND_THREAD(thread)
168 #define _MD_RESUME_THREAD(thread)
169 #define _MD_CLEAN_THREAD(_thread)
171 /*
172 ** We wrapped the select() call. _MD_SELECT refers to the built-in,
173 ** unwrapped version.
174 */
175 #include <sys/time.h>
176 #include <sys/types.h>
177 #include <sys/select.h>
178 #define _MD_SELECT select
180 #define SA_RESTART 0
182 #endif /* nspr_qnx_defs_h___ */
