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C++ dm_task_destroy函数代码示例

本文整理汇总了C++中dm_task_destroy函数的典型用法代码示例。如果您正苦于以下问题：C++ dm_task_destroy函数的具体用法？C++ dm_task_destroy怎么用？C++ dm_task_destroy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dm_task_destroy函数的15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，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: era_dm_list

int era_dm_list(int (*cb)(void *arg, const char *name), void *cbarg)
{
	struct dm_task *dmt;
	struct dm_names *names;
	unsigned next = 0;

	if (!(dmt = dm_task_create(DM_DEVICE_LIST)))
		return -1;

	if (!dm_task_run(dmt))
		goto out;

	if (!(names = dm_task_get_names(dmt)))
		goto out;

	if (names->dev)
	{
		do {
			names = (struct dm_names *)((char *)names + next);
			if (cb(cbarg, names->name))
				goto out;
			next = names->next;
		} while(next);
	}

	dm_task_destroy(dmt);
	return 0;
out:
	dm_task_destroy(dmt);
	return -1;
}
开发者ID:004helix，项目名称:erasetup，代码行数:31，代码来源:era_dm.c

示例2: _dm_check_versions

static int _dm_check_versions(void)
{
	struct dm_task *dmt;
	struct dm_versions *target, *last_target;

	if (_dm_crypt_checked)
		return 1;

	if (!(dmt = dm_task_create(DM_DEVICE_LIST_VERSIONS)))
		return 0;

	if (!dm_task_run(dmt)) {
		dm_task_destroy(dmt);
		return 0;
	}

	target = dm_task_get_versions(dmt);
	do {
		last_target = target;
		if (!strcmp(DM_CRYPT_TARGET, target->name)) {
			_dm_set_crypt_compat((int)target->version[0],
					     (int)target->version[1],
					     (int)target->version[2]);
		}
		target = (void *) target + target->next;
	} while (last_target != target);

	dm_task_destroy(dmt);
	return 1;
}
开发者ID:AhmadTux，项目名称:DragonFlyBSD，代码行数:30，代码来源:libdevmapper.c

示例3: _dm_simple

static int _dm_simple(int task, int wait, const char *name)
{
	struct dm_task *dmt;
	uint32_t cookie = 0;
	int rc;

	if (!(dmt = dm_task_create(task)))
		return -1;

	if (!dm_task_set_name(dmt, name))
		goto out;

	if (wait && !dm_task_set_cookie(dmt, &cookie, 0))
		goto out;

	rc = dm_task_run(dmt);

	if (wait)
		(void) dm_udev_wait(cookie);

	dm_task_destroy(dmt);
	return rc ? 0 : -1;
out:
	dm_task_destroy(dmt);
	return -1;
}
开发者ID:004helix，项目名称:erasetup，代码行数:26，代码来源:era_dm.c

示例4: _dm_create

static int _dm_create(int task, int wait,
                      const char *name, const char *uuid,
                      uint64_t start, uint64_t length,
                      const char *target, const char *table,
                      struct era_dm_info *info)
{
	struct dm_task *dmt;
	uint32_t cookie = 0;
	int rc;

	if (!(dmt = dm_task_create(task)))
		return -1;

	if (!dm_task_set_name(dmt, name))
		goto out;

	if (uuid && !dm_task_set_uuid(dmt, uuid))
		goto out;

	if (target && !dm_task_add_target(dmt, start, length, target, table))
		goto out;

	if (wait && !dm_task_set_cookie(dmt, &cookie, 0))
		goto out;

	rc = dm_task_run(dmt);

	if (wait)
		(void) dm_udev_wait(cookie);

	if (rc && info)
	{
		struct dm_info dmi;

		if (!dm_task_get_info(dmt, &dmi))
			goto out;

		info->target_count = dmi.target_count;
		info->open_count = dmi.open_count;
		info->suspended = dmi.suspended;
		info->exists = dmi.exists;
		info->major = dmi.major;
		info->minor = dmi.minor;
	}

	dm_task_destroy(dmt);

	return rc ? 0 : -1;
out:
	dm_task_destroy(dmt);
	return -1;
}
开发者ID:004helix，项目名称:erasetup，代码行数:52，代码来源:era_dm.c

示例5: main

int main(int argc, char** argv) {
	/*
	 * Dump a devices table. First arg should be the device name.
	 *
	 */
	char* name;
	if (argc < 2) {
		printf("usage: dump_table <device name>\n");
		return 1;
	} else {
		name = argv[1];
	}
	struct dm_task *dmt;
	struct dm_info info;
	struct dm_names *names;
	uint64_t start, length;
	char* params, * target_type;
	void* next = NULL;

	if (!(dmt = dm_task_create(DM_DEVICE_TABLE))) {
		printf("could not create dm task\n");
		return 1;
	}

	if (!_set_task_device(dmt, name, 0)) {
		printf("device %s may not exist -?\n", name);
	}

	if (!dm_task_run(dmt)) {
		printf("error running task\n");
		dm_task_destroy(dmt);
		return 1;
	}

	if (!dm_task_get_info(dmt, &info) || !info.exists) {
		printf("could not get info for %s\n", name);
		return 1;
	}

	/* not sure about this bit */
	do {
		next = dm_get_next_target(dmt, next, &start, &length, &target_type, &params);
		printf("%" PRIu64 " %" PRIu64 " %s %s\n", start, length, target_type, params);
	} while(next);


	dm_task_destroy(dmt);

	return 0;
}
开发者ID:vemek，项目名称:software-maid，代码行数:50，代码来源:dump_table.c

示例6: dm_mount_aspect

int dm_mount_aspect(substrate_t *substrate, u64 header_offset, u8 *header_key, char *name)
{
	char *params;
	struct dm_task *task;
	task = dm_task_create(DM_DEVICE_CREATE);
	if(!task) {
		die("dm_task_create");
	}
	if(!dm_task_set_name(task, name)) {
		die("dm_task_set_name");
	}
	if(!dm_task_set_uuid(task, name)) {
		die("dm_task_set_uuid");
	}
	params = steg_malloc(strlen(substrate->filename) + 4096);
	sprintf(params, "%s %zu ", substrate->filename, header_offset);
	sprint_hex(params + strlen(params), header_key, KEY_BYTES);
	if(!dm_task_add_target(task, 0, substrate->bytes, "steg", params)) {
		die("dm_task_add_target");
	}
	if(!dm_task_run(task)) {
		die("dm_task_run");
	}
	dm_task_destroy(task);
	steg_free(params);
	return 0;
}
开发者ID:radii，项目名称:dmsteg，代码行数:27，代码来源:dm.c

示例7: dm_flush_maps

extern int
dm_flush_maps (void)
{
	int r = 0;
	struct dm_task *dmt;
	struct dm_names *names;
	unsigned next = 0;

	if (!(dmt = dm_task_create (DM_DEVICE_LIST)))
		return 0;

	dm_task_no_open_count(dmt);

	if (!dm_task_run (dmt))
		goto out;

	if (!(names = dm_task_get_names (dmt)))
		goto out;

	if (!names->dev)
		goto out;

	do {
		r |= dm_suspend_and_flush_map(names->name);
		next = names->next;
		names = (void *) names + next;
	} while (next);

out:
	dm_task_destroy (dmt);
	return r;
}
开发者ID:cathay4t，项目名称:multipath-tools，代码行数:32，代码来源:devmapper.c

示例8: dm_get_minor

int
dm_get_minor (char * mapname)
{
	int r = -1;
	struct dm_task *dmt;
	struct dm_info info;

	if (!(dmt = dm_task_create(DM_DEVICE_INFO)))
		return 0;

	if (!dm_task_set_name(dmt, mapname))
		goto out;

	if (!dm_task_run(dmt))
		goto out;

	if (!dm_task_get_info(dmt, &info))
		goto out;

	if (!info.exists)
		goto out;

	r = info.minor;
out:
	dm_task_destroy(dmt);
	return r;
}
开发者ID:cathay4t，项目名称:multipath-tools，代码行数:27，代码来源:devmapper.c

示例9: dm_dev_t

static int
dm_dev_t (const char * mapname, char * dev_t, int len)
{
	int r = 1;
	struct dm_task *dmt;
	struct dm_info info;

	if (!(dmt = dm_task_create(DM_DEVICE_INFO)))
		return 0;

	if (!dm_task_set_name(dmt, mapname))
		goto out;

	if (!dm_task_run(dmt))
		goto out;

	if (!dm_task_get_info(dmt, &info) || !info.exists)
		goto out;

	if (snprintf(dev_t, len, "%i:%i", info.major, info.minor) > len)
		goto out;

	r = 0;
out:
	dm_task_destroy(dmt);
	return r;
}
开发者ID:cathay4t，项目名称:multipath-tools，代码行数:27，代码来源:devmapper.c

示例10: dm_type

/*
 * returns:
 *    1 : match
 *    0 : no match
 *   -1 : empty map
 */
extern int
dm_type(const char * name, char * type)
{
	int r = 0;
	struct dm_task *dmt;
	uint64_t start, length;
	char *target_type = NULL;
	char *params;

	if (!(dmt = dm_task_create(DM_DEVICE_TABLE)))
		return 0;

	if (!dm_task_set_name(dmt, name))
		goto out;

	dm_task_no_open_count(dmt);

	if (!dm_task_run(dmt))
		goto out;

	/* Fetch 1st target */
	dm_get_next_target(dmt, NULL, &start, &length,
			   &target_type, &params);

	if (!target_type)
		r = -1;
	else if (!strcmp(target_type, type))
		r = 1;

out:
	dm_task_destroy(dmt);
	return r;
}
开发者ID:cathay4t，项目名称:multipath-tools，代码行数:39，代码来源:devmapper.c

示例11: _info_run

static int _info_run(const char *name, const char *dlid, struct dm_info *info,
		     uint32_t *read_ahead, int mknodes, int with_open_count,
		     int with_read_ahead, uint32_t major, uint32_t minor)
{
	int r = 0;
	struct dm_task *dmt;
	int dmtask;

	dmtask = mknodes ? DM_DEVICE_MKNODES : DM_DEVICE_INFO;

	if (!(dmt = _setup_task(mknodes ? name : NULL, dlid, 0, dmtask, major, minor)))
		return_0;

	if (!with_open_count)
		if (!dm_task_no_open_count(dmt))
			log_error("Failed to disable open_count");

	if (!dm_task_run(dmt))
		goto_out;

	if (!dm_task_get_info(dmt, info))
		goto_out;

	if (with_read_ahead && info->exists) {
		if (!dm_task_get_read_ahead(dmt, read_ahead))
			goto_out;
	} else if (read_ahead)
		*read_ahead = DM_READ_AHEAD_NONE;

	r = 1;

      out:
	dm_task_destroy(dmt);
	return r;
}
开发者ID:ystk，项目名称:debian-lvm2，代码行数:35，代码来源:dev_manager.c

示例12: dm_map_present

extern int
dm_map_present (const char * str)
{
	int r = 0;
	struct dm_task *dmt;
	struct dm_info info;

	if (!(dmt = dm_task_create(DM_DEVICE_INFO)))
		return 0;

	if (!dm_task_set_name(dmt, str))
		goto out;

	dm_task_no_open_count(dmt);

	if (!dm_task_run(dmt))
		goto out;

	if (!dm_task_get_info(dmt, &info))
		goto out;

	if (info.exists)
		r = 1;
out:
	dm_task_destroy(dmt);
	return r;
}
开发者ID:cathay4t，项目名称:multipath-tools，代码行数:27，代码来源:devmapper.c

示例13: dm_geteventnr

int
dm_geteventnr (char *name)
{
	struct dm_task *dmt;
	struct dm_info info;
	int event = -1;

	if (!(dmt = dm_task_create(DM_DEVICE_INFO)))
		return -1;

	if (!dm_task_set_name(dmt, name))
		goto out;

	dm_task_no_open_count(dmt);

	if (!dm_task_run(dmt))
		goto out;

	if (!dm_task_get_info(dmt, &info))
		goto out;

	if (info.exists)
		event = info.event_nr;

out:
	dm_task_destroy(dmt);

	return event;
}
开发者ID:cathay4t，项目名称:multipath-tools，代码行数:29，代码来源:devmapper.c

示例14: _error_device

static int _error_device(const char *name, size_t size)
{
	struct dm_task *dmt;
	int r = 0;

	if (!(dmt = dm_task_create(DM_DEVICE_RELOAD)))
		return 0;

	if (!dm_task_set_name(dmt, name))
		goto error;

	if (!dm_task_add_target(dmt, UINT64_C(0), size, "error", ""))
		goto error;

	if (!dm_task_set_ro(dmt))
		goto error;

	if (!dm_task_no_open_count(dmt))
		goto error;

	if (!dm_task_run(dmt))
		goto error;

	if (!_dm_simple(DM_DEVICE_RESUME, name, 1)) {
		_dm_simple(DM_DEVICE_CLEAR, name, 0);
		goto error;
	}

	r = 1;

error:
	dm_task_destroy(dmt);
	return r;
}
开发者ID:AhmadTux，项目名称:DragonFlyBSD，代码行数:34，代码来源:libdevmapper.c

示例15: _dm_simple

/* DM helpers */
static int _dm_simple(int task, const char *name, int udev_wait)
{
	int r = 0;
	struct dm_task *dmt;
	uint32_t cookie = 0;

	if (!_dm_use_udev())
		udev_wait = 0;

	if (!(dmt = dm_task_create(task)))
		return 0;

	if (name && !dm_task_set_name(dmt, name))
		goto out;

	if (udev_wait && !dm_task_set_cookie(dmt, &cookie, 0))
		goto out;

	r = dm_task_run(dmt);

	if (udev_wait)
		(void)dm_udev_wait(cookie);

      out:
	dm_task_destroy(dmt);
	return r;
}
开发者ID:AhmadTux，项目名称:DragonFlyBSD，代码行数:28，代码来源:libdevmapper.c


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