1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
3 * The contents of this file are subject to the Mozilla Public
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5 * except in compliance with the License. You may obtain a copy of
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10 * implied. See the License for the specific language governing
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13 * The Original Code is the Netscape Portable Runtime (NSPR).
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17 * Copyright (C) 1998-2000 Netscape Communications Corporation. All
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31 * may use your version of this file under either the MPL or the
35 #ifndef nspr_openbsd_defs_h___
36 #define nspr_openbsd_defs_h___
38 #include <sys/syscall.h>
40 #define PR_LINKER_ARCH "openbsd"
41 #define _PR_SI_SYSNAME "OPENBSD"
43 #define _PR_SI_ARCHITECTURE "x86"
44 #elif defined(__alpha__)
45 #define _PR_SI_ARCHITECTURE "alpha"
46 #elif defined(__amd64__)
47 #define _PR_SI_ARCHITECTURE "amd64"
48 #elif defined(__m68k__)
49 #define _PR_SI_ARCHITECTURE "m68k"
50 #elif defined(__powerpc__)
51 #define _PR_SI_ARCHITECTURE "powerpc"
52 #elif defined(__sparc__)
53 #define _PR_SI_ARCHITECTURE "sparc"
56 #define PR_DLL_SUFFIX ".so.1.0"
58 #define _PR_VMBASE 0x30000000
59 #define _PR_STACK_VMBASE 0x50000000
60 #define _MD_DEFAULT_STACK_SIZE 65536L
61 #define _MD_MMAP_FLAGS MAP_PRIVATE
63 #undef HAVE_STACK_GROWING_UP
66 #define _PR_HAVE_SOCKADDR_LEN
67 #define _PR_NO_LARGE_FILES
68 #define _PR_STAT_HAS_ST_ATIMESPEC
69 #define _PR_POLL_AVAILABLE
71 #define _PR_HAVE_SYSV_SEMAPHORES
72 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
75 #define _PR_HAVE_INET_NTOP
76 #define _PR_HAVE_GETHOSTBYNAME2
77 #define _PR_HAVE_GETADDRINFO
78 #define _PR_INET6_PROBE
85 #define PR_CONTEXT_TYPE sigjmp_buf
87 #define CONTEXT(_th) ((_th)->md.context)
89 #if defined(__i386__) || defined(__sparc__) || defined(__m68k__)
91 #elif defined(__powerpc__)
93 #elif defined(__alpha__)
94 #define JB_SP_INDEX 34
95 #elif defined(__amd64__)
98 #error "Need to define SP index in jmp_buf here"
100 #define _MD_GET_SP(_th) (_th)->md.context[JB_SP_INDEX]
102 #define PR_NUM_GCREGS _JBLEN
105 ** Initialize a thread context to run "_main()" when started
107 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
110 if (sigsetjmp(CONTEXT(_thread), 1)) { \
113 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \
116 #define _MD_SWITCH_CONTEXT(_thread) \
117 if (!sigsetjmp(CONTEXT(_thread), 1)) { \
118 (_thread)->md.errcode = errno; \
123 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
125 #define _MD_RESTORE_CONTEXT(_thread) \
127 errno = (_thread)->md.errcode; \
128 _MD_SET_CURRENT_THREAD(_thread); \
129 siglongjmp(CONTEXT(_thread), 1); \
132 /* Machine-dependent (MD) data structures */
135 PR_CONTEXT_TYPE context;
140 struct _MDThreadStack {
148 struct _MDSemaphore {
161 * md-specific cpu structure field
163 #define _PR_MD_MAX_OSFD FD_SETSIZE
167 PRUint32 ioq_timeout;
168 PRInt32 ioq_max_osfd;
169 PRInt32 ioq_osfd_cnt;
171 fd_set fd_read_set, fd_write_set, fd_exception_set;
172 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
173 fd_exception_cnt[_PR_MD_MAX_OSFD];
175 struct pollfd *ioq_pollfds;
176 int ioq_pollfds_size;
177 #endif /* _PR_USE_POLL */
180 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
181 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
182 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
183 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
184 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
185 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
186 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
187 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
188 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
189 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
190 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
191 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
192 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
194 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
197 struct _MDCPU_Unix md_unix;
200 #define _MD_INIT_LOCKS()
201 #define _MD_NEW_LOCK(lock) PR_SUCCESS
202 #define _MD_FREE_LOCK(lock)
203 #define _MD_LOCK(lock)
204 #define _MD_UNLOCK(lock)
205 #define _MD_INIT_IO()
206 #define _MD_IOQ_LOCK()
207 #define _MD_IOQ_UNLOCK()
209 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
210 #define _MD_INIT_THREAD _MD_InitializeThread
211 #define _MD_EXIT_THREAD(thread)
212 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
213 #define _MD_RESUME_THREAD(thread) _MD_resume_thread
214 #define _MD_CLEAN_THREAD(_thread)
216 #endif /* ! _PR_PTHREADS */
218 #define _MD_EARLY_INIT _MD_EarlyInit
219 #define _MD_FINAL_INIT _PR_UnixInit
220 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
221 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
224 * We wrapped the select() call. _MD_SELECT refers to the built-in,
227 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
229 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
232 typedef unsigned int nfds_t;
235 #endif /* nspr_openbsd_defs_h___ */