1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/*
3 * The contents of this file are subject to the Mozilla Public
4 * License Version 1.1 (the "License"); you may not use this file
5 * except in compliance with the License. You may obtain a copy of
6 * the License at http://www.mozilla.org/MPL/
7 *
8 * Software distributed under the License is distributed on an "AS
9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
10 * implied. See the License for the specific language governing
11 * rights and limitations under the License.
12 *
13 * The Original Code is the Netscape Portable Runtime (NSPR).
14 *
15 * The Initial Developer of the Original Code is Netscape
16 * Communications Corporation.  Portions created by Netscape are
17 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
18 * Rights Reserved.
19 *
20 * Contributor(s):
21 *
22 * Alternatively, the contents of this file may be used under the
23 * terms of the GNU General Public License Version 2 or later (the
24 * "GPL"), in which case the provisions of the GPL are applicable
25 * instead of those above.  If you wish to allow use of your
26 * version of this file only under the terms of the GPL and not to
27 * allow others to use your version of this file under the MPL,
28 * indicate your decision by deleting the provisions above and
29 * replace them with the notice and other provisions required by
30 * the GPL.  If you do not delete the provisions above, a recipient
31 * may use your version of this file under either the MPL or the
32 * GPL.
33 */
34
35#ifndef nspr_qnx_defs_h___
36#define nspr_qnx_defs_h___
37
38/*
39** Internal configuration macros
40*/
41#define PR_LINKER_ARCH		"qnx"
42#define _PR_SI_SYSNAME		"QNX"
43#define _PR_SI_ARCHITECTURE	"x86"
44#define PR_DLL_SUFFIX		".so"
45
46#define _PR_VMBASE		0x30000000
47#define _PR_STACK_VMBASE	0x50000000
48#define _MD_DEFAULT_STACK_SIZE	65536L
49#define _MD_MMAP_FLAGS		MAP_PRIVATE
50
51#ifndef	HAVE_WEAK_IO_SYMBOLS
52#define	HAVE_WEAK_IO_SYMBOLS
53#endif
54
55#undef _PR_POLL_AVAILABLE
56#undef _PR_USE_POLL
57#define _PR_HAVE_SOCKADDR_LEN
58#define HAVE_BSD_FLOCK
59#define _PR_NO_LARGE_FILES
60#define _PR_STAT_HAS_ONLY_ST_ATIME
61
62#include <sys/select.h>
63
64#undef  HAVE_STACK_GROWING_UP
65#undef	HAVE_DLL
66#undef	USE_DLFCN
67#define NEED_STRFTIME_LOCK
68#define NEED_TIME_R
69#define _PR_NEED_STRCASECMP
70
71#ifndef HAVE_STRERROR
72#define HAVE_STRERROR
73#endif
74
75#define USE_SETJMP
76
77#include <setjmp.h>
78
79#define _SETJMP			setjmp
80#define _LONGJMP		longjmp
81#define _PR_CONTEXT_TYPE	jmp_buf
82#define _PR_NUM_GCREGS		_JBLEN
83#define _MD_GET_SP(_t)		(_t)->md.context[7]
84
85#define CONTEXT(_th)		((_th)->md.context)
86
87/*
88** Initialize the thread context preparing it to execute _main.
89*/
90#define _MD_INIT_CONTEXT(_thread, _sp, _main, status)	\
91{							\
92    *status = PR_TRUE;					\
93    if(_SETJMP(CONTEXT(_thread))) (*_main)();		\
94    _MD_GET_SP(_thread) = (int) ((_sp) - 128);		\
95}
96
97#define _MD_SWITCH_CONTEXT(_thread)	\
98    if (!_SETJMP(CONTEXT(_thread))) {	\
99	(_thread)->md.errcode = errno;	\
100	_PR_Schedule();			\
101    }
102
103/*
104** Restore a thread context, saved by _MD_SWITCH_CONTEXT
105*/
106#define _MD_RESTORE_CONTEXT(_thread)	\
107{					\
108    errno = (_thread)->md.errcode;	\
109    _MD_SET_CURRENT_THREAD(_thread);	\
110    _LONGJMP(CONTEXT(_thread), 1);	\
111}
112
113/*
114** Machine-dependent (MD) data structures.
115*/
116struct _MDThread {
117    _PR_CONTEXT_TYPE context;
118    int id;
119    int errcode;
120};
121
122struct _MDThreadStack {
123    PRInt8 notused;
124};
125
126struct _MDLock {
127    PRInt8 notused;
128};
129
130struct _MDSemaphore {
131    PRInt8 notused;
132};
133
134struct _MDCVar {
135    PRInt8 notused;
136};
137
138struct _MDSegment {
139    PRInt8 notused;
140};
141
142/*
143** md-specific cpu structure field
144*/
145#define _PR_MD_MAX_OSFD		FD_SETSIZE
146
147struct _MDCPU_Unix {
148    PRCList ioQ;
149    PRUint32 ioq_timeout;
150    PRInt32 ioq_max_osfd;
151    PRInt32 ioq_osfd_cnt;
152#ifndef _PR_USE_POLL
153    fd_set fd_read_set, fd_write_set, fd_exception_set;
154    PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD];
155#else
156    struct pollfd *ioq_pollfds;
157    int ioq_pollfds_size;
158#endif
159};
160
161#define _PR_IOQ(_cpu)			((_cpu)->md.md_unix.ioQ)
162#define _PR_ADD_TO_IOQ(_pq, _cpu)	PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
163#define _PR_FD_READ_SET(_cpu)		((_cpu)->md.md_unix.fd_read_set)
164#define _PR_FD_READ_CNT(_cpu)		((_cpu)->md.md_unix.fd_read_cnt)
165#define _PR_FD_WRITE_SET(_cpu)		((_cpu)->md.md_unix.fd_write_set)
166#define _PR_FD_WRITE_CNT(_cpu)		((_cpu)->md.md_unix.fd_write_cnt)
167#define _PR_FD_EXCEPTION_SET(_cpu)	((_cpu)->md.md_unix.fd_exception_set)
168#define _PR_FD_EXCEPTION_CNT(_cpu)	((_cpu)->md.md_unix.fd_exception_cnt)
169#define _PR_IOQ_TIMEOUT(_cpu)		((_cpu)->md.md_unix.ioq_timeout)
170#define _PR_IOQ_MAX_OSFD(_cpu)		((_cpu)->md.md_unix.ioq_max_osfd)
171#define _PR_IOQ_OSFD_CNT(_cpu)		((_cpu)->md.md_unix.ioq_osfd_cnt)
172#define _PR_IOQ_POLLFDS(_cpu)		((_cpu)->md.md_unix.ioq_pollfds)
173#define _PR_IOQ_POLLFDS_SIZE(_cpu)	((_cpu)->md.md_unix.ioq_pollfds_size)
174
175#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)	32
176
177struct _MDCPU {
178	struct _MDCPU_Unix md_unix;
179};
180
181#define _MD_INIT_LOCKS()
182#define _MD_NEW_LOCK(lock)		PR_SUCCESS
183#define _MD_FREE_LOCK(lock)
184#define _MD_LOCK(lock)
185#define _MD_UNLOCK(lock)
186#define _MD_INIT_IO()
187#define _MD_IOQ_LOCK()
188#define _MD_IOQ_UNLOCK()
189
190#define _MD_GET_INTERVAL		_PR_UNIX_GetInterval
191#define _MD_INTERVAL_PER_SEC		_PR_UNIX_TicksPerSecond
192#define _MD_EARLY_INIT			_MD_EarlyInit
193#define _MD_FINAL_INIT			_PR_UnixInit
194#define _MD_INIT_RUNNING_CPU(cpu)	_MD_unix_init_running_cpu(cpu)
195#define _MD_INIT_THREAD			_MD_InitializeThread
196#define _MD_EXIT_THREAD(thread)
197#define	_MD_SUSPEND_THREAD(thread)
198#define	_MD_RESUME_THREAD(thread)
199#define _MD_CLEAN_THREAD(_thread)
200
201/*
202** We wrapped the select() call.  _MD_SELECT refers to the built-in,
203** unwrapped version.
204*/
205#include <sys/time.h>
206#include <sys/types.h>
207#include <sys/select.h>
208#define _MD_SELECT		select
209
210#define SA_RESTART 0
211
212#endif /* nspr_qnx_defs_h___ */
213