_beos.h

Netscape NSPR库源码

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 
 * 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 Netscape are 
 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#ifndef nspr_beos_defs_h___
#define nspr_beos_defs_h___

#include "prtypes.h"
#include "prio.h"
#include "prthread.h"
#include "prproces.h"
#include "prmem.h"
#include "obsolete/prsem.h"
#include <errno.h>

#include <support/SupportDefs.h>
#include <kernel/OS.h>
#include <dirent.h>

/*
 * Internal configuration macros
 */

#ifdef BONE_VERSION
#define _PR_HAVE_SOCKADDR_LEN
#endif

#define PR_LINKER_ARCH	"beos"
#define _PR_SI_SYSNAME  "BEOS"
#ifdef __powerpc__
#define _PR_SI_ARCHITECTURE "ppc"
#else
#define _PR_SI_ARCHITECTURE "x86"
#endif
#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

#undef	HAVE_STACK_GROWING_UP
#define HAVE_DLL
#define _PR_NO_CLOCK_TIMER

/*
 * The Atomic operations
 */

#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC _MD_AtomicInit
#define _MD_ATOMIC_INCREMENT _MD_AtomicIncrement
#define _MD_ATOMIC_ADD _MD_AtomicAdd
#define _MD_ATOMIC_DECREMENT _MD_AtomicDecrement
#define _MD_ATOMIC_SET _MD_AtomicSet

#define HAVE_CVAR_BUILT_ON_SEM
#define _PR_GLOBAL_THREADS_ONLY
#define _PR_BTHREADS
#define _PR_NEED_FAKE_POLL
#define _PR_HAVE_PEEK_BUFFER
#define _PR_PEEK_BUFFER_MAX (16 * 1024)
#define _PR_FD_NEED_EMULATE_MSG_PEEK(fd) 1
#define _PR_CONNECT_DOES_NOT_BIND

/* Define threading functions and objects as native BeOS */
struct _MDThread {
    thread_id	tid;	/* BeOS thread handle */
	sem_id		joinSem;	/* sems used to synchronzie joining */
	PRBool	is_joining;	/* TRUE if someone is currently waiting to
						   join this thread */
};

struct _MDThreadStack {
    PRInt8	notused;
};

/*
 * Lock and Semaphore related definitions
 */

struct _MDLock {
    sem_id semaphoreID;
    int32  benaphoreCount;
};

struct _MDCVar {
    sem_id sem1;
    sem_id sem2;
    int16  count;
};

struct _MDSemaphore {
    sem_id sid;
};

/*
** CPU-related definitions
*/
struct _MDCPU {
    int8		unused;
};

/*
** Process-related definitions
*/
struct _MDProcess {
    pid_t pid;
};

struct _MDSegment {
    PRInt8 notused;
};

/*
** File- and directory-related definitions
*/

#ifndef BONE_VERSION
#define BE_SOCK_SHUTDOWN_READ	0x01
#define BE_SOCK_SHUTDOWN_WRITE	0x02
#endif

struct _MDFileDesc {
    PRInt32	osfd;
    PRInt32	sock_state;
    PRBool	accepted_socket;
    PRNetAddr	peer_addr;
#ifndef BONE_VERSION
    PRBool	connectValueValid;
    int		connectReturnValue;
    int		connectReturnError;
#endif
};

struct _MDDir {
    DIR		*d;
};

#define PR_DIRECTORY_SEPARATOR		'/'
#define PR_DIRECTORY_SEPARATOR_STR	"/"
#define PR_PATH_SEPARATOR		':'
#define PR_PATH_SEPARATOR_STR		":"

#define GETTIMEOFDAY(tp)	gettimeofday((tp), NULL)

/* --- Memory-mapped files stuff --- not implemented on BeOS */

struct _MDFileMap {
    PRInt8 unused;
};

/*
 * Network related definitions.
 */

#ifndef BONE_VERSION
#define IPPROTO_IP 0
#define AF_UNIX 2
#define TCP_NODELAY SO_NONBLOCK
#define SO_LINGER -1
#define SO_ERROR 4
#endif

#define _PR_INTERRUPT_CHECK_INTERVAL_SECS 5

#ifndef BONE_VERSION
/* these aren't actually used. if they are, we're screwed */
struct  protoent {
    char    *p_name;        /* official protocol name */
    char    **p_aliases;    /* alias list */
    int     p_proto;        /* protocol # */
};

struct protoent* getprotobyname(const char* name);
struct protoent* getprotobynumber(int number);
#endif

/*
 * malloc() related definitions.
 */

#undef _PR_OVERRIDE_MALLOC

/* Miscellaneous */

#define _MD_ERRNO()             (errno)

#define _MD_CLEANUP_BEFORE_EXIT _MD_cleanup_before_exit
#define _MD_EXIT _MD_exit

#define _MD_GET_ENV getenv
#define _MD_PUT_ENV putenv

#define _MD_EARLY_INIT _MD_early_init
#define _MD_FINAL_INIT _MD_final_init

/* CPU Stuff */

#define _MD_INIT_CPUS _MD_init_cpus
#define _MD_WAKEUP_CPUS _MD_wakeup_cpus
#define _MD_START_INTERRUPTS _MD_start_interrupts
#define _MD_STOP_INTERRUPTS _MD_stop_interrupts
#define _MD_DISABLE_CLOCK_INTERRUPTS _MD_disable_clock_interrupts
#define _MD_BLOCK_CLOCK_INTERRUPTS _MD_block_clock_interrupts
#define _MD_UNBLOCK_CLOCK_INTERRUPTS _MD_unblock_clock_interrupts
#define _MD_CLOCK_INTERRUPT _MD_clock_interrupt
#define _MD_INIT_STACK _MD_init_stack
#define _MD_CLEAR_STACK _MD_clear_stack
// #define _MD_GET_INTSOFF _MD_get_intsoff
// #define _MD_SET_INTSOFF _MD_set_intsoff
#define _MD_CURRENT_CPU _MD_current_cpu
#define _MD_SET_CURRENT_CPU _MD_set_current_cpu
#define _MD_INIT_RUNNING_CPU _MD_init_running_cpu
#define _MD_PAUSE_CPU _MD_pause_cpu

/* Thread stuff */

#define _MD_CURRENT_THREAD() PR_GetCurrentThread()
// #define _MD_GET_ATTACHED_THREAD _MD_get_attached_thread
#define _MD_LAST_THREAD _MD_last_thread
#define _MD_SET_CURRENT_THREAD _MD_set_current_THREAD
#define _MD_SET_LAST_THREAD _MD_set_last_thread
#define _MD_INIT_THREAD _MD_init_thread
#define _MD_EXIT_THREAD _MD_exit_thread
#define _MD_INIT_ATTACHED_THREAD _MD_init_attached_thread

#define _MD_SUSPEND_THREAD _MD_suspend_thread
#define _MD_RESUME_THREAD _MD_resume_thread
#define _MD_SUSPEND_CPU _MD_suspend_cpu
#define _MD_RESUME_CPU _MD_resume_cpu
#define _MD_BEGIN_SUSPEND_ALL _MD_begin_suspend_all
#define _MD_END_SUSPEND_ALL _MD_end_suspend_all
#define _MD_BEGIN_RESUME_ALL _MD_begin_resume_all
#define _MD_END_RESUME_ALL _MD_end_resume_all

#define _MD_GET_SP _MD_get_sp

#define _MD_CLEAN_THREAD _MD_clean_thread
#define _MD_CREATE_PRIMORDIAL_USER_THREAD _MD_create_primordial_user_thread
#define _MD_CREATE_USER_THREAD _MD_create_user_thread
#define _MD_INIT_PRIMORDIAL_THREAD _MD_init_primordial_thread
#define _MD_CREATE_THREAD _MD_create_thread
#define _MD_YIELD _MD_yield
#define _MD_SET_PRIORITY _MD_set_priority

#define _MD_SUSPENDALL _MD_suspendall
#define _MD_RESUMEALL _MD_resumeall

#define _MD_SWITCH_CONTEXT _MD_switch_context
#define _MD_RESTORE_CONTEXT _MD_restore_context

#define _MD_WAIT _MD_wait
#define _MD_WAKEUP_WAITER _MD_wakeup_waiter

#define _MD_SETTHREADAFFINITYMASK _MD_setthreadaffinitymask
#define _MD_GETTHREADAFFINITYMASK _MD_getthreadaffinitymask

/* Thread Synchronization */

#define _MD_INIT_LOCKS _MD_init_locks
#define _MD_NEW_LOCK _MD_new_lock
#define _MD_FREE_LOCK _MD_free_lock
#define _MD_LOCK _MD_lock
#define _MD_TEST_AND_LOCK _MD_test_and_lock
#define _MD_UNLOCK _MD_unlock
#define _MD_IOQ_LOCK _MD_ioq_lock
#define _MD_IOQ_UNLOCK _MD_ioq_unlock
#define _MD_NEW_SEM _MD_new_sem
#define _MD_DESTROY_SEM _MD_destroy_sem
#define _MD_TIMED_WAIT_SEM _MD_timed_wait_sem
#define _MD_WAIT_SEM _MD_wait_sem
#define _MD_POST_SEM _MD_post_sem
// #define _MD_NEW_CV _MD_new_cv
// #define _MD_FREE_CV _MD_free_cv