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Diffstat (limited to 'nsprpub/pr/include/md/_dgux.h')
| -rw-r--r-- | nsprpub/pr/include/md/_dgux.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/nsprpub/pr/include/md/_dgux.h b/nsprpub/pr/include/md/_dgux.h new file mode 100644 index 0000000000..66bf931695 --- /dev/null +++ b/nsprpub/pr/include/md/_dgux.h @@ -0,0 +1,188 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nspr_dgux_defs_h___ +#define nspr_dgux_defs_h___ + +/* + * Internal configuration macros + */ + +#define PR_LINKER_ARCH "dgux" +#define _PR_SI_SYSNAME "DGUX" +#define _PR_SI_ARCHITECTURE "x86" +#define PR_DLL_SUFFIX ".so" + +#define _PR_VMBASE 0x30000000 +#define _PR_STACK_VMBASE 0x50000000 +#define _MD_DEFAULT_STACK_SIZE 65536L +#define _MD_MMAP_FLAGS MAP_PRIVATE + +#ifndef HAVE_WEAK_IO_SYMBOLS +#define HAVE_WEAK_IO_SYMBOLS +#endif + +#undef HAVE_STACK_GROWING_UP +#define HAVE_NETCONFIG +#define HAVE_DLL +#define USE_DLFCN +#define NEED_STRFTIME_LOCK +#define NEED_TIME_R +#define _PR_NEED_STRCASECMP +#define _PR_POLL_AVAILABLE +#define _PR_USE_POLL +#define _PR_NO_LARGE_FILES +#define _PR_STAT_HAS_ONLY_ST_ATIME + +#define USE_SETJMP + +#include <setjmp.h> + +#define _SETJMP setjmp +#define _LONGJMP longjmp +#define _PR_CONTEXT_TYPE jmp_buf +#define _MD_GET_SP(_t) (_t)->md.context[4] +#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) \ +{ \ + *status = PR_TRUE; \ + if(_SETJMP(CONTEXT(_thread))) (*_main)(); \ + _MD_GET_SP(_thread) = (int) ((_sp) - 128); \ +} + +#define _MD_SWITCH_CONTEXT(_thread) \ + 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); \ +} + +/* Machine-dependent (MD) data structures. + * Don't use SVR4 native threads (yet). + */ + +struct _MDThread { + _PR_CONTEXT_TYPE 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() + +/* + * The following are copied from _sunos.h, _aix.h. This means + * some of them should probably be moved into _unixos.h. But + * _irix.h seems to be quite different in regard to these macros. + */ +#define _MD_INTERVAL_USE_GTOD + +#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. + */ +#include <unistd.h> +#include <sys/types.h> +#include <sys/time.h> +extern int _select(int nfds, fd_set *readfds, fd_set *writefds, + fd_set *execptfds, struct timeval *timeout); +#define _MD_SELECT _select + +#define _MD_POLL _poll +#include <poll.h> +#include <stropts.h> +extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout); + +#endif /* nspr_dgux_defs_h___ */ |