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C++ MACH_PORT_VALID函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中MACH_PORT_VALID函数的典型用法代码示例。如果您正苦于以下问题：C++ MACH_PORT_VALID函数的具体用法？C++ MACH_PORT_VALID怎么用？C++ MACH_PORT_VALID使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了MACH_PORT_VALID函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: setup_thread_target

error_t
setup_thread_target (void)
{
  error_t err;
  static task_t task;
  static thread_t thread;

  if (MACH_PORT_VALID (thread))
    {
      thread_terminate (thread);
      mach_port_deallocate (mach_task_self (), thread);
    }

  if (MACH_PORT_VALID (task))
    {
      task_terminate (task);
      mach_port_deallocate (mach_task_self (), task);
    }

  err = task_create (mach_task_self (), 0, &task);
  if (err)
    return err;

  err = thread_create (task, &thread);
  if (err)
    return err;

  return setup (thread, MACH_MSG_TYPE_COPY_SEND);
}
开发者ID:dreamsxin，项目名称:GNU-Hurd，代码行数:29，代码来源:rpcscan.c


示例2: setup_proc_target

error_t
setup_proc_target (void)
{
  error_t err;
  static task_t task;
  static process_t proc, target;
  static mach_msg_type_name_t targetType = MACH_MSG_TYPE_COPY_SEND;

  if (! MACH_PORT_VALID (proc))
    proc = getproc ();
  if (MACH_PORT_VALID (task))
    mach_port_deallocate (mach_task_self (), task);
  if (MACH_PORT_VALID (target))
    mach_port_deallocate (mach_task_self (), target);

  err = task_create (mach_task_self (), 0, &task);
  if (err)
    return err;

  err = proc_task2proc (proc, task, &target);
  if (err)
    return err;

  return setup (target, targetType);
}
开发者ID:dreamsxin，项目名称:GNU-Hurd，代码行数:25，代码来源:rpcscan.c


示例3: mach_port_extract_member

kern_return_t
mach_port_extract_member(
	ipc_space_t		space,
	mach_port_name_t	name,
	mach_port_name_t	psname)
{
	mach_port_name_t oldname;
	ipc_object_t psobj;
	ipc_object_t obj;
	kern_return_t kr;

	if (space == IS_NULL)
		return KERN_INVALID_TASK;

	if (!MACH_PORT_VALID(name) || !MACH_PORT_VALID(psname))
		return KERN_INVALID_RIGHT;

	kr = ipc_object_translate_two(space, 
				      name, MACH_PORT_RIGHT_RECEIVE, &obj,
				      psname, MACH_PORT_RIGHT_PORT_SET, &psobj);
	if (kr != KERN_SUCCESS)
		return kr;

	/* obj and psobj are both locked (and were locked in that order) */
	assert(psobj != IO_NULL);
	assert(obj != IO_NULL);

	kr = ipc_pset_remove((ipc_pset_t)psobj, (ipc_port_t)obj);
	io_unlock(psobj);
	io_unlock(obj);
	return kr;
}
开发者ID:OpenDarwin-CVS，项目名称:SEDarwin，代码行数:32，代码来源:mach_port.c


示例4: increase_priority

error_t
increase_priority (void)
{
  mach_port_t pset = MACH_PORT_NULL, psetcntl = MACH_PORT_NULL;
  error_t err;

  err = thread_get_assignment (mach_thread_self (), &pset);
  if (err)
    goto out;

  err = host_processor_set_priv (_hurd_host_priv, pset, &psetcntl);
  if (err)
    goto out;

  err = thread_max_priority (mach_thread_self (), psetcntl, 0);
  if (err)
    goto out;

  err = task_priority (mach_task_self (), 2, 1);

 out:
  if (MACH_PORT_VALID (pset))
    mach_port_deallocate (mach_task_self (), pset);
  if (MACH_PORT_VALID (psetcntl))
    mach_port_deallocate (mach_task_self (), psetcntl);

  return err;
}
开发者ID:Larhard，项目名称:hurd，代码行数:28，代码来源:main.c


示例5: mach_port_set_attributes

kern_return_t
mach_port_set_attributes(
	ipc_space_t		space,
	mach_port_name_t	name,
	int			flavor,
        mach_port_info_t	info,
        mach_msg_type_number_t	count)
{
	ipc_port_t port;
	kern_return_t kr;
        
	if (space == IS_NULL)
		return KERN_INVALID_TASK;

        switch (flavor) {
                
        case MACH_PORT_LIMITS_INFO: {
                mach_port_limits_t *mplp = (mach_port_limits_t *)info;
                
                if (count < MACH_PORT_LIMITS_INFO_COUNT)
                        return KERN_FAILURE;
                
                if (mplp->mpl_qlimit > MACH_PORT_QLIMIT_MAX)
                        return KERN_INVALID_VALUE;

		if (!MACH_PORT_VALID(name))
			return KERN_INVALID_RIGHT;

                kr = ipc_port_translate_receive(space, name, &port);
                if (kr != KERN_SUCCESS)
                        return kr;
                /* port is locked and active */

                ipc_mqueue_set_qlimit(&port->ip_messages, mplp->mpl_qlimit);
                ip_unlock(port);
                break;
        }
	case MACH_PORT_DNREQUESTS_SIZE: {
                if (count < MACH_PORT_DNREQUESTS_SIZE_COUNT)
                        return KERN_FAILURE;

		if (!MACH_PORT_VALID(name))
			return KERN_INVALID_RIGHT;
                
                kr = ipc_port_translate_receive(space, name, &port);
                if (kr != KERN_SUCCESS)
                        return kr;
                /* port is locked and active */
		
		kr = ipc_port_dngrow(port, *(int *)info);
		if (kr != KERN_SUCCESS)
			return kr;
		break;
	}
        default:
		return KERN_INVALID_ARGUMENT;
                /*NOTREACHED*/
        }
	return KERN_SUCCESS;
}
开发者ID:OpenDarwin-CVS，项目名称:SEDarwin，代码行数:60，代码来源:mach_port.c


示例6: ProtThreadRegister

extern void ProtThreadRegister(Bool setup)
{
  kern_return_t kr;
  mach_msg_type_number_t old_exception_count = 1;
  exception_mask_t old_exception_masks;
  exception_behavior_t behavior;
  mach_port_t old_exception_ports;
  exception_behavior_t old_behaviors;
  thread_state_flavor_t old_flavors;
  mach_port_t self;
  static mach_port_t setupThread = MACH_PORT_NULL;

  self = mach_thread_self();
  AVER(MACH_PORT_VALID(self));
  
  /* Avoid setting up the exception handler for the thread that calls
     ProtSetup twice, in the case where the mutator registers that thread
     explicitly.  We need a special case because we don't require thread
     registration of the sole thread of a single-threaded mutator. */
  if (setup) {
    AVER(setupThread == MACH_PORT_NULL);
    setupThread = self;
  } else {
    AVER(setupThread != MACH_PORT_NULL);
    if (self == setupThread)
      return;
  }
  
  /* Ask to receive EXC_BAD_ACCESS exceptions on our port, complete
     with thread state and identity information in the message.
     The MACH_EXCEPTION_CODES flag causes the code fields to be
     passed 64-bits wide, matching protRequestStruct [Fuller_2013]. */
  behavior = (exception_behavior_t)(EXCEPTION_STATE_IDENTITY | MACH_EXCEPTION_CODES);
  AVER(MACH_PORT_VALID(protExcPort));
  kr = thread_swap_exception_ports(self,
                                   EXC_MASK_BAD_ACCESS,
                                   protExcPort,
                                   behavior,
                                   THREAD_STATE_FLAVOR,
                                   &old_exception_masks,
                                   &old_exception_count,
                                   &old_exception_ports,
                                   &old_behaviors,
                                   &old_flavors);
  AVER(kr == KERN_SUCCESS);
  if (kr != KERN_SUCCESS)
    mach_error("ERROR: MPS thread_swap_exception_ports", kr); /* .trans.must */
  AVER(old_exception_masks == EXC_MASK_BAD_ACCESS);
  AVER(old_exception_count == 1);
  AVER(old_exception_ports == MACH_PORT_NULL
       || old_exception_ports == protExcPort); /* .assume.only-port */
}
开发者ID:clojit，项目名称:rust-mps-obj，代码行数:52，代码来源:protxc.c


示例7: setup_auth_target

error_t
setup_auth_target (void)
{
  static auth_t auth;
  static mach_msg_type_name_t authType = MACH_MSG_TYPE_COPY_SEND;

  if (MACH_PORT_VALID (auth))
    mach_port_deallocate (mach_task_self (), auth);

  auth = getauth ();
  if (! MACH_PORT_VALID (auth))
    return errno;

  return setup (auth, authType);
}
开发者ID:dreamsxin，项目名称:GNU-Hurd，代码行数:15，代码来源:rpcscan.c


示例8: inode_pager_setup

memory_object_t
inode_pager_setup(
	struct inode	*inode)
{
	struct i_mem_object	*imo;

	if (inode == NULL)
		return MEMORY_OBJECT_NULL;

	imo = inode->i_mem_object;
	if (imo == NULL) {
		/*
		 * First time this inode is mapped. Create a memory object.
		 */
		imo = imo_create(inode, TRUE);
		if (imo == NULL)
			return MEMORY_OBJECT_NULL;
	}

	imo_ref(imo);	/* 1 ref for the mapper */

#ifdef	INODE_PAGER_DEBUG
	if (inode_pager_debug) {
		printk("inode_pager_setup: imo 0x%p: obj 0x%x, inode 0x%p\n",
		       imo, imo->imo_mem_obj, imo->imo_inode);
	}
#endif	/* INODE_PAGER_DEBUG */

	ASSERT(MACH_PORT_VALID(imo->imo_mem_obj));
	return imo->imo_mem_obj;
}
开发者ID:rohsaini，项目名称:mkunity，代码行数:31，代码来源:inode_pager.c


示例9: osfmach3_get_time

void
osfmach3_get_time(
	struct timeval *xtime)
{
	tvalspec_t	cur_time;

#ifdef	__powerpc__
	if (use_highres && MACH_PORT_VALID(rt_clock)) {
		kern_return_t	kr;

		/*
		 * We want a higher resolution time: ask the microkernel.
		 * XXX this doesn't work on MP PowerMac systems.
		 */
		kr = clock_get_time(rt_clock, &cur_time);
		if (kr != KERN_SUCCESS) {
			MACH3_DEBUG(2, kr,
				    ("osfmach3_get_time: clock_get_time(0x%x)",
				     rt_clock));
			/* use mapped time */
			MTS_TO_TS(serv_mtime, &cur_time);
		}
	} else {
		MTS_TO_TS(serv_mtime, &cur_time);
	}
#else	/* __powerpc__ */
	MTS_TO_TS(serv_mtime, &cur_time);
#endif	/* __powerpc__ */
	xtime->tv_sec = cur_time.tv_sec + base_time.tv_sec;
	xtime->tv_usec = (cur_time.tv_nsec + base_time.tv_nsec) / 1000;
	if (xtime->tv_usec >= USEC_PER_SEC) {
		xtime->tv_sec++;
		xtime->tv_usec -= USEC_PER_SEC;
	}
}
开发者ID:rohsaini，项目名称:mkunity，代码行数:35，代码来源:map_time.c


示例10: mach_port_set_seqno

kern_return_t
mach_port_set_seqno(
	ipc_space_t		space,
	mach_port_name_t	name,
	mach_port_seqno_t	seqno)
{
	ipc_port_t port;
	kern_return_t kr;

	if (space == IS_NULL)
		return KERN_INVALID_TASK;

	if (!MACH_PORT_VALID(name))
		return KERN_INVALID_RIGHT;

	kr = ipc_port_translate_receive(space, name, &port);
	if (kr != KERN_SUCCESS)
		return kr;
	/* port is locked and active */

	ipc_mqueue_set_seqno(&port->ip_messages, seqno);

	ip_unlock(port);
	return KERN_SUCCESS;
}
开发者ID:OpenDarwin-CVS，项目名称:SEDarwin，代码行数:25，代码来源:mach_port.c


示例11: mach_port_set_mscount

kern_return_t
mach_port_set_mscount(
	ipc_space_t		space,
	mach_port_name_t	name,
	mach_port_mscount_t	mscount)
{
	ipc_port_t port;
	kern_return_t kr;

	if (space == IS_NULL)
		return KERN_INVALID_TASK;

	if (!MACH_PORT_VALID(name))
		return KERN_INVALID_RIGHT;

	kr = ipc_port_translate_receive(space, name, &port);
	if (kr != KERN_SUCCESS)
		return kr;
	/* port is locked and active */

	ipc_port_set_mscount(port, mscount);

	ip_unlock(port);
	return KERN_SUCCESS;
}
开发者ID:OpenDarwin-CVS，项目名称:SEDarwin，代码行数:25，代码来源:mach_port.c


示例12: mach_port_mod_refs

kern_return_t
mach_port_mod_refs(
	ipc_space_t		space,
	mach_port_name_t	name,
	mach_port_right_t	right,
	mach_port_delta_t	delta)
{
	ipc_entry_t entry;
	kern_return_t kr;

	if (space == IS_NULL)
		return KERN_INVALID_TASK;

	if (right >= MACH_PORT_RIGHT_NUMBER)
		return KERN_INVALID_VALUE;

	if (!MACH_PORT_VALID(name)) {
		if (right == MACH_PORT_RIGHT_SEND ||
		    right == MACH_PORT_RIGHT_SEND_ONCE)
			return KERN_SUCCESS;
		return KERN_INVALID_NAME;
	}

	kr = ipc_right_lookup_write(space, name, &entry);
	if (kr != KERN_SUCCESS)
		return kr;
	/* space is write-locked and active */

	kr = ipc_right_delta(space, name, entry, right, delta);	/* unlocks */
	return kr;
}
开发者ID:OpenDarwin-CVS，项目名称:SEDarwin，代码行数:31，代码来源:mach_port.c


示例13: mach_port_extract_right

kern_return_t
mach_port_extract_right(
	ipc_space_t		space,
	mach_port_name_t	name,
	mach_msg_type_name_t	msgt_name,
	ipc_port_t		*poly,
	mach_msg_type_name_t	*polyPoly)
{
	kern_return_t kr;

	if (space == IS_NULL)
		return KERN_INVALID_TASK;

	if (!MACH_MSG_TYPE_PORT_ANY(msgt_name))
		return KERN_INVALID_VALUE;

	if (!MACH_PORT_VALID(name)) {
		/*
		 * really should copy out a dead name, if it is a send or
		 * send-once right being copied, but instead return an
		 * error for now.
		 */
		return KERN_INVALID_RIGHT;
	}

	kr = ipc_object_copyin(space, name, msgt_name, (ipc_object_t *) poly);

	if (kr == KERN_SUCCESS)
		*polyPoly = ipc_object_copyin_type(msgt_name);
	return kr;
}
开发者ID:OpenDarwin-CVS，项目名称:SEDarwin，代码行数:31，代码来源:mach_port.c


示例14: ThreadRegister

Res ThreadRegister(Thread *threadReturn, Arena arena)
{
  Res res;
  Thread thread;
  Ring ring;
  void *p;

  AVER(threadReturn != NULL);

  res = ControlAlloc(&p, arena, sizeof(ThreadStruct));
  if (res != ResOK)
    return res;
  thread = (Thread)p;

  thread->arena = arena;
  RingInit(&thread->arenaRing);

  thread->serial = arena->threadSerial;
  ++arena->threadSerial;
  thread->alive = TRUE;
  thread->forking = FALSE;
  thread->port = mach_thread_self();
  AVER(MACH_PORT_VALID(thread->port));
  thread->sig = ThreadSig;
  AVERT(Thread, thread);

  ProtThreadRegister();

  ring = ArenaThreadRing(arena);

  RingAppend(ring, &thread->arenaRing);

  *threadReturn = thread;
  return ResOK;
}
开发者ID:Ravenbrook，项目名称:mps，代码行数:35，代码来源:thxc.c


示例15: main

int
main (int argc, char **argv)
{
  error_t err;
  mach_port_t bootstrap;

  argp_parse (&argp, argc, argv, 0, 0, 0);

  if (MACH_PORT_VALID (opt_device_master))
    {
      err = open_console (opt_device_master);
      assert_perror (err);
      mach_port_deallocate (mach_task_self (), opt_device_master);
    }

  save_argv = argv;

  task_get_bootstrap_port (mach_task_self (), &bootstrap);
  if (bootstrap == MACH_PORT_NULL)
    error (2, 0, "Must be started as a translator");

  /* Fetch our proc server port for easy use.  If we are booting, it is not
     set yet and `getproc' returns MACH_PORT_NULL; we reset PROCSERVER in
     S_exec_init (below).  */
  procserver = getproc ();

  err = trivfs_add_port_bucket (&port_bucket);
  if (err)
    error (1, 0, "error creating port bucket");

  err = trivfs_add_control_port_class (&trivfs_control_class);
  if (err)
    error (1, 0, "error creating control port class");

  err = trivfs_add_protid_port_class (&trivfs_protid_class);
  if (err)
    error (1, 0, "error creating protid port class");

  execboot_portclass = ports_create_class (deadboot, NULL);

  /* Reply to our parent.  */
  err = trivfs_startup (bootstrap, 0,
                        trivfs_control_class, port_bucket,
                        trivfs_protid_class, port_bucket, &fsys);

  /* Reply to our parent.  */
  err = trivfs_startup (bootstrap, 0,
			trivfs_control_class, port_bucket,
			trivfs_protid_class, port_bucket,
			&fsys);
  mach_port_deallocate (mach_task_self (), bootstrap);
  if (err)
    error (3, err, "Contacting parent");

  /* Launch.  */
  ports_manage_port_operations_multithread (port_bucket, exec_demuxer,
					    2 * 60 * 1000, 0, 0);

  return 0;
}
开发者ID:dreamsxin，项目名称:GNU-Hurd，代码行数:60，代码来源:main.c


示例16: pid_to_task

static task_t pid_to_task(int pid) {
	task_t task = 0;
	static task_t old_task = 0;
	static int old_pid = -1;
	kern_return_t kr;
	if (old_task != 0 && old_pid == pid) {
		return old_task;
	} else if (old_task != 0 && old_pid != pid) {
		//we changed the process pid so deallocate a ref from the old_task
		//since we are going to get a new task
		kr = mach_port_deallocate (mach_task_self (), old_task);
		if (kr != KERN_SUCCESS) {
			eprintf ("pid_to_task: fail to deallocate port\n");
			return 0;
		}
	}
	int err = task_for_pid (mach_task_self (), (pid_t)pid, &task);
	if ((err != KERN_SUCCESS) || !MACH_PORT_VALID (task)) {
		task = task_for_pid_workaround (pid);
		if (task == MACH_PORT_NULL) {
			task = task_for_pid_ios9pangu (pid);
			if (task != MACH_PORT_NULL) {
				//eprintf ("Failed to get task %d for pid %d.\n", (int)task, (int)pid);
				//eprintf ("Missing priviledges? 0x%x: %s\n", err, MACH_ERROR_STRING (err));
				return -1;
			}
		}
	}
	old_task = task;
	old_pid = pid;
	return task;
}
开发者ID:ghostbar，项目名称:radare2.deb，代码行数:32，代码来源:io_mach.c


示例17: iokit_lookup_connect_ref

EXTERN io_object_t
iokit_lookup_connect_ref(io_object_t connectRef, ipc_space_t space)
{
	io_object_t obj = NULL;

	if (connectRef && MACH_PORT_VALID(CAST_MACH_PORT_TO_NAME(connectRef))) {
		ipc_port_t port;
		kern_return_t kr;

		kr = ipc_object_translate(space, CAST_MACH_PORT_TO_NAME(connectRef), MACH_PORT_RIGHT_SEND, (ipc_object_t *)&port);

		if (kr == KERN_SUCCESS) {
			assert(IP_VALID(port));

			ip_reference(port);
			ip_unlock(port);

			iokit_lock_port(port);
			if (ip_active(port) && (ip_kotype(port) == IKOT_IOKIT_CONNECT)) {
				obj = (io_object_t) port->ip_kobject;
				iokit_add_connect_reference(obj);
			}
			iokit_unlock_port(port);

			ip_release(port);
		}
	}

	return obj;
}
开发者ID:wzw19890321，项目名称:xnu-1，代码行数:30，代码来源:iokit_rpc.c


示例18: port_name_to_semaphore

/*
 *	Routine:	port_name_to_semaphore
 *	Purpose:
 *		Convert from a port name in the current space to a semaphore.
 *		Produces a semaphore ref, which may be null.
 *	Conditions:
 *		Nothing locked.
 */
kern_return_t
port_name_to_semaphore(
	mach_port_name_t 	name,
	semaphore_t 		*semaphorep)
{
	ipc_port_t kern_port;
	kern_return_t kr;

	if (!MACH_PORT_VALID(name)) {
		*semaphorep = SEMAPHORE_NULL;
		return KERN_INVALID_NAME;
	}

	kr = ipc_object_translate(current_space(), name, MACH_PORT_RIGHT_SEND,
				  (ipc_object_t *) &kern_port);
	if (kr != KERN_SUCCESS) {
		*semaphorep = SEMAPHORE_NULL;
		return kr;
	}
	/* have the port locked */
	assert(IP_VALID(kern_port));

	*semaphorep = convert_port_to_semaphore(kern_port);
	ip_unlock(kern_port);

	return KERN_SUCCESS;
}
开发者ID:JackieXie168，项目名称:xnu，代码行数:35，代码来源:ipc_sync.c


示例19: pid_to_task

task_t pid_to_task(int pid) {
	static task_t old_pid = -1;
	static task_t old_task = -1;
	task_t task = -1;
	int err;

	/* xlr8! */
	if (old_task != -1 && old_pid == pid)
		return old_task;

	err = task_for_pid (mach_task_self (), (pid_t)pid, &task);
	if ((err != KERN_SUCCESS) || !MACH_PORT_VALID (task)) {
		task = task_for_pid_workaround (pid);
		if (task == -1) {
			eprintf ("Failed to get task %d for pid %d.\n", (int)task, (int)pid);
			eprintf ("Reason: 0x%x: %s\n", err, (char *)MACH_ERROR_STRING (err));
			eprintf ("You probably need to run as root or sign the binary.\n"
				" Read doc/ios.md || doc/osx.md\n"
				" make -C binr/radare2 ios-sign || osx-sign\n");
			return -1;
		}
	}
	old_pid = pid;
	old_task = task;
	return task;
}
开发者ID:sparkhom，项目名称:radare2，代码行数:26，代码来源:xnu_debug.c


示例20: main

int main() {
  mach_port_t process_to_write;
  kern_return_t error;

  if(getuid() && geteuid()) {
    printf("You need to be root to vm_write!\n");
  } else{
    error = task_for_pid(mach_task_self(), PID, &process_to_write);

    if ((error != KERN_SUCCESS) || !MACH_PORT_VALID(process_to_write)) {
      printf("Error getting the process!\n");
    }
    
    mach_port_name_t task;
    vm_map_offset_t vmoffset;
    vm_map_size_t vmsize;
    uint32_t nesting_depth = 0;
    struct vm_region_submap_info_64 vbr;
    mach_msg_type_number_t vbrcount = 16;
    kern_return_t kr;

    if ((kr = mach_vm_region_recurse(process_to_write, &vmoffset, &vmsize,
                                    &nesting_depth,
                                    (vm_region_recurse_info_t)&vbr,
                                    &vbrcount)) != KERN_SUCCESS) 
    {
      printf("Error");
    }

    printf("%p\n", (void *) (uintptr_t)vmoffset);
  }
  
  return 0;
}
开发者ID:erayarslan，项目名称:vm_write-Example，代码行数:34，代码来源:base.c



注：本文中的MACH_PORT_VALID函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ MACRO函数代码示例发布时间：2022-05-30
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