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OS/2 Shareware BBS: 10 Tools
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nspr30-e.zip
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nspr30-e
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include
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md
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_sony.h
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C/C++ Source or Header
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1998-11-02
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6KB
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186 lines
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nspr_sony_defs_h___
#define nspr_sony_defs_h___
#define PR_LINKER_ARCH "sony"
#define _PR_SI_SYSNAME "SONY"
#define _PR_SI_ARCHITECTURE "mips"
#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
#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
#if defined(_PR_LOCAL_THREADS_ONLY)
#include <ucontext.h>
#include <sys/regset.h>
#define PR_NUM_GCREGS NGREG
#define PR_CONTEXT_TYPE ucontext_t
#define CONTEXT(_thread) (&(_thread)->md.context)
#define _MD_GET_SP(_t) (_t)->md.context.uc_mcontext.gregs[CXT_SP]
/*
** Initialize the thread context preparing it to execute _main()
*/
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
{ \
*status = PR_TRUE; \
getcontext(CONTEXT(_thread)); \
CONTEXT(_thread)->uc_stack.ss_sp = (char*) (_thread)->stack->stackBottom; \
CONTEXT(_thread)->uc_stack.ss_size = (_thread)->stack->stackSize; \
_MD_GET_SP(_thread) = (greg_t) (_sp) - 64; \
makecontext(CONTEXT(_thread), _main, 0); \
}
#define _MD_SWITCH_CONTEXT(_thread) \
if (!getcontext(CONTEXT(_thread))) { \
(_thread)->md.errcode = errno; \
_PR_Schedule(); \
}
/*
** Restore a thread context, saved by _MD_SWITCH_CONTEXT
*/
#define _MD_RESTORE_CONTEXT(_thread) \
{ \
ucontext_t *uc = CONTEXT(_thread); \
uc->uc_mcontext.gregs[CXT_V0] = 1; \
uc->uc_mcontext.gregs[CXT_A3] = 0; \
_MD_SET_CURRENT_THREAD(_thread); \
errno = (_thread)->md.errcode; \
setcontext(uc); \
}
/* Machine-dependent (MD) data structures */
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()
#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)
/* The following defines unwrapped versions of select() and poll(). */
extern int _select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
#define _MD_SELECT _select
#include <sys/poll.h>
extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout);
#define _MD_POLL _poll
#endif /* _PR_LOCAL_THREADS_ONLY */
#undef HAVE_STACK_GROWING_UP
#define HAVE_DLL
#define USE_DLFCN
#define NEED_TIME_R
#define NEED_STRFTIME_LOCK
/*
** Missing function prototypes
*/
extern int gethostname(char *name, int namelen);
#endif /* nspr_sony_defs_h___ */