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Diffstat (limited to 'mozilla/nsprpub/pr/include/md/_sunos4.h')
| -rw-r--r-- | mozilla/nsprpub/pr/include/md/_sunos4.h | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/mozilla/nsprpub/pr/include/md/_sunos4.h b/mozilla/nsprpub/pr/include/md/_sunos4.h new file mode 100644 index 0000000..0d62892 --- /dev/null +++ b/mozilla/nsprpub/pr/include/md/_sunos4.h @@ -0,0 +1,236 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef nspr_sunos_defs_h___ +#define nspr_sunos_defs_h___ + +#include "md/sunos4.h" + +/* On SunOS 4, memset is declared in memory.h */ +#include <memory.h> +#include <errno.h> +#include <sys/syscall.h> + +/* + * Internal configuration macros + */ + +#define PR_LINKER_ARCH "sunos" +#define _PR_SI_SYSNAME "SUNOS" +#define _PR_SI_ARCHITECTURE "sparc" +#define PR_DLL_SUFFIX ".so.1.0" + +/* +** For sunos type machines, don't specify an address because the +** NetBSD/SPARC O.S. does the wrong thing. +*/ +#define _PR_VMBASE 0x30000000 +#define _PR_STACK_VMBASE 0x50000000 +#define _MD_DEFAULT_STACK_SIZE 65536L +#define _MD_MMAP_FLAGS MAP_PRIVATE + +#undef HAVE_STACK_GROWING_UP +#undef HAVE_WEAK_IO_SYMBOLS +#undef HAVE_WEAK_MALLOC_SYMBOLS +#define HAVE_DLL +#define USE_DLFCN +#define NEED_STRFTIME_LOCK +#define NEED_TIME_R +#define HAVE_BSD_FLOCK +#define _PR_NO_LARGE_FILES +#define _PR_STAT_HAS_ONLY_ST_ATIME + +#define _MD_GET_INTERVAL _PR_UNIX_GetInterval +#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond + +#define USE_SETJMP + +#include <setjmp.h> + +#define _MD_GET_SP(_t) (_t)->md.context[2] + +#define PR_NUM_GCREGS _JBLEN + +#define CONTEXT(_th) ((_th)->md.context) + +/* +** Initialize the thread context preparing it to execute _main. +*/ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ + PR_BEGIN_MACRO \ + int *context = (_thread)->md.context; \ + *status = PR_TRUE; \ + asm("ta 3"); \ + (void) setjmp(context); \ + (_thread)->md.context[2] = (int) ((_sp) - 64); \ + (_thread)->md.context[2] &= ~7; \ + (_thread)->md.context[3] = (int) _main; \ + (_thread)->md.context[4] = (int) _main + 4; \ + PR_END_MACRO + +#define _MD_SWITCH_CONTEXT(_thread) \ + asm("ta 3"); \ + if (!setjmp(CONTEXT(_thread))) { \ + (_thread)->md.errcode = errno; \ + _PR_Schedule(); \ + } + +/* +** Restore a thread context, saved by _MD_SWITCH_CONTEXT +*/ +#define _MD_RESTORE_CONTEXT(_thread) \ +{ \ + errno = (_thread)->md.errcode; \ + _MD_SET_CURRENT_THREAD(_thread); \ + longjmp(CONTEXT(_thread), 1); \ +} + +#pragma unknown_control_flow(longjmp) +#pragma unknown_control_flow(setjmp) +#pragma unknown_control_flow(_PR_Schedule) + +/* +** Missing function prototypes +*/ + +extern int socket (int domain, int type, int protocol); +extern int getsockname (int s, struct sockaddr *name, int *namelen); +extern int getpeername (int s, struct sockaddr *name, int *namelen); +extern int getsockopt (int s, int level, int optname, char* optval, int* optlen); +extern int setsockopt (int s, int level, int optname, const char* optval, int optlen); +extern int accept (int s, struct sockaddr *addr, int *addrlen); +extern int listen (int s, int backlog); +extern int brk(void *); +extern void *sbrk(int); + + +/* Machine-dependent (MD) data structures. SunOS 4 has no native threads. */ + +struct _MDThread { + jmp_buf context; + int id; + int errcode; +}; + +struct _MDThreadStack { + PRInt8 notused; +}; + +struct _MDLock { + PRInt8 notused; +}; + +struct _MDSemaphore { + PRInt8 notused; +}; + +struct _MDCVar { + PRInt8 notused; +}; + +struct _MDSegment { + PRInt8 notused; +}; + +/* + * md-specific cpu structure field + */ +#define _PR_MD_MAX_OSFD FD_SETSIZE + +struct _MDCPU_Unix { + PRCList ioQ; + PRUint32 ioq_timeout; + PRInt32 ioq_max_osfd; + PRInt32 ioq_osfd_cnt; +#ifndef _PR_USE_POLL + fd_set fd_read_set, fd_write_set, fd_exception_set; + PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], + fd_exception_cnt[_PR_MD_MAX_OSFD]; +#else + struct pollfd *ioq_pollfds; + int ioq_pollfds_size; +#endif /* _PR_USE_POLL */ +}; + +#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) +#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) +#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) +#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) +#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) +#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) +#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) +#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) +#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) +#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) +#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) +#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) +#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) + +#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 + +struct _MDCPU { + struct _MDCPU_Unix md_unix; +}; + +#define _MD_INIT_LOCKS() +#define _MD_NEW_LOCK(lock) PR_SUCCESS +#define _MD_FREE_LOCK(lock) +#define _MD_LOCK(lock) +#define _MD_UNLOCK(lock) +#define _MD_INIT_IO() +#define _MD_IOQ_LOCK() +#define _MD_IOQ_UNLOCK() + +/* These are copied from _solaris.h */ + +#define _MD_EARLY_INIT _MD_EarlyInit +#define _MD_FINAL_INIT _PR_UnixInit +#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) +#define _MD_INIT_THREAD _MD_InitializeThread +#define _MD_EXIT_THREAD(thread) +#define _MD_SUSPEND_THREAD(thread) +#define _MD_RESUME_THREAD(thread) +#define _MD_CLEAN_THREAD(_thread) + +/* + * We wrapped the select() call. _MD_SELECT refers to the built-in, + * unwrapped version. + */ +#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) +#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) + +#endif /* nspr_sparc_defs_h___ */ |