/usr/include/hal/libhal.h is in libhal-dev 0.5.14-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 | /***************************************************************************
* CVSID: $Id$
*
* libhal.h : HAL daemon C convenience library headers
*
* Copyright (C) 2003 David Zeuthen, <david@fubar.dk>
* Copyright (C) 2007 Codethink Ltd. Author Rob Taylor <rob.taylor@codethink.co.uk>
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
**************************************************************************/
#ifndef LIBHAL_H
#define LIBHAL_H
#ifndef DBUS_API_SUBJECT_TO_CHANGE
#define DBUS_API_SUBJECT_TO_CHANGE
#endif
#include <dbus/dbus.h>
#if defined(__cplusplus)
extern "C" {
#if 0
} /* shut up emacs indenting */
#endif
#endif
#if defined(__GNUC__)
#define LIBHAL_DEPRECATED __attribute__ ((deprecated))
#else
#define LIBHAL_DEPRECATED
#endif
/**
* LIBHAL_LIBHAL_FREE_DBUS_ERROR:
* @_dbus_error_: the DBusError
*
* Handy macro for checking whether a DBusError is set and free the error if
* the error is set.
*/
#define LIBHAL_FREE_DBUS_ERROR(_dbus_error_) \
do { \
if (dbus_error_is_set(_dbus_error_)) \
dbus_error_free (_dbus_error_); \
} while (0)
/**
* LIBHAL_CHECK_LIBHALCONTEXT:
* @_ctx_: the context
* @_ret_: what to use for return value if context is invalid
*
* Handy macro for checking whether a context is valid.
*/
#define LIBHAL_CHECK_LIBHALCONTEXT(_ctx_, _ret_) \
do { \
if (_ctx_ == NULL) { \
fprintf (stderr, \
"%s %d : LibHalContext *ctx is NULL\n", \
__FILE__, __LINE__); \
return _ret_; \
} \
} while(0)
/**
* LibHalPropertyType:
*
* Possible types for properties on hal device objects
*/
typedef enum {
/** Used to report error condition */
LIBHAL_PROPERTY_TYPE_INVALID = DBUS_TYPE_INVALID,
/** Type for 32-bit signed integer property */
LIBHAL_PROPERTY_TYPE_INT32 = DBUS_TYPE_INT32,
/** Type for 64-bit unsigned integer property */
LIBHAL_PROPERTY_TYPE_UINT64 = DBUS_TYPE_UINT64,
/** Type for double precision floating point property */
LIBHAL_PROPERTY_TYPE_DOUBLE = DBUS_TYPE_DOUBLE,
/** Type for boolean property */
LIBHAL_PROPERTY_TYPE_BOOLEAN = DBUS_TYPE_BOOLEAN,
/** Type for UTF-8 string property */
LIBHAL_PROPERTY_TYPE_STRING = DBUS_TYPE_STRING,
/** Type for list of UTF-8 strings property */
LIBHAL_PROPERTY_TYPE_STRLIST = ((int) (DBUS_TYPE_STRING<<8)+('l'))
} LibHalPropertyType;
typedef struct LibHalContext_s LibHalContext;
typedef struct LibHalProperty_s LibHalProperty;
typedef struct LibHalPropertySet_s LibHalPropertySet;
/**
* LibHalIntegrateDBusIntoMainLoop:
* @ctx: context for connection to hald
* @dbus_connection: DBus connection to use in ctx
*
* Type for function in application code that integrates a
* DBusConnection object into its own mainloop.
*/
typedef void (*LibHalIntegrateDBusIntoMainLoop) (LibHalContext *ctx,
DBusConnection *dbus_connection);
/**
* LibHalDeviceAdded:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
*
* Type for callback when a device is added.
*/
typedef void (*LibHalDeviceAdded) (LibHalContext *ctx,
const char *udi);
/**
* LibHalDeviceRemoved:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
*
* Type for callback when a device is removed.
*/
typedef void (*LibHalDeviceRemoved) (LibHalContext *ctx,
const char *udi);
/**
* LibHalDeviceNewCapability:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
* @capability: capability of the device
*
* Type for callback when a device gains a new capability.
*
*/
typedef void (*LibHalDeviceNewCapability) (LibHalContext *ctx,
const char *udi,
const char *capability);
/**
* LibHalDeviceLostCapability:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
* @capability: capability of the device
*
* Type for callback when a device loses a capability.
*
*/
typedef void (*LibHalDeviceLostCapability) (LibHalContext *ctx,
const char *udi,
const char *capability);
/**
* LibHalDevicePropertyModified:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
* @key: name of the property that has changed
* @is_removed: whether or not property was removed
* @is_added: whether or not property was added
*
* Type for callback when a property of a device changes.
*/
typedef void (*LibHalDevicePropertyModified) (LibHalContext *ctx,
const char *udi,
const char *key,
dbus_bool_t is_removed,
dbus_bool_t is_added);
/**
* LibHalDeviceCondition:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
* @condition_name: name of the condition, e.g. ProcessorOverheating. Consult the HAL spec for details
* @condition_detail: detail of condition
*
* Type for callback when a non-continuous condition occurs on a device.
*/
typedef void (*LibHalDeviceCondition) (LibHalContext *ctx,
const char *udi,
const char *condition_name,
const char *condition_detail);
/**
* LibHalGlobalInterfaceLockAcquired:
* @ctx: context for connection to hald
* @interface_name: the name of the interface
* @lock_owner: what service acquired the lock
* @num_locks: number of locks on the interface
*
* Type for callback when someone acquires a global lock.
*/
typedef void (*LibHalGlobalInterfaceLockAcquired) (LibHalContext *ctx,
const char *interface_name,
const char *lock_owner,
int num_locks);
/**
* LibHalGlobalInterfaceLockReleased:
* @ctx: context for connection to hald
* @interface_name: the name of the interface
* @lock_owner: what service released the lock
* @num_locks: number of locks on the interface
*
* Type for callback when someone releases a global lock.
*/
typedef void (*LibHalGlobalInterfaceLockReleased) (LibHalContext *ctx,
const char *interface_name,
const char *lock_owner,
int num_locks);
/**
* LibHalInterfaceLockAcquired:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
* @interface_name: the name of the interface
* @lock_owner: what service acquired the lock
* @num_locks: number of locks on the interface
*
* Type for callback when someone acquires a lock on a device.
*/
typedef void (*LibHalInterfaceLockAcquired) (LibHalContext *ctx,
const char *udi,
const char *interface_name,
const char *lock_owner,
int num_locks);
/**
* LibHalInterfaceLockReleased:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
* @interface_name: the name of the interface
* @lock_owner: what service released the lock
* @num_locks: number of locks on the interface
*
* Type for callback when someone acquires a lock on a device.
*/
typedef void (*LibHalInterfaceLockReleased) (LibHalContext *ctx,
const char *udi,
const char *interface_name,
const char *lock_owner,
int num_locks);
/**
* LibHalSingletonDeviceAdded:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
* @properties: the device's properties
*
* Type for callback for addon singletons when a device is added
*/
typedef void (*LibHalSingletonDeviceAdded) (LibHalContext *ctx,
const char *udi,
const LibHalPropertySet *properties);
/**
* LibHalSingletonDeviceRemoved:
* @ctx: context for connection to hald
* @udi: the Unique Device Id
* @properties: the device's properties
*
* Type for callback for addon singletons when a device is added
*/
typedef void (*LibHalSingletonDeviceRemoved) (LibHalContext *ctx,
const char *udi,
const LibHalPropertySet *properties);
/* Create a new context for a connection with hald */
LibHalContext *libhal_ctx_new (void);
/* Enable or disable caching */
dbus_bool_t libhal_ctx_set_cache (LibHalContext *ctx, dbus_bool_t use_cache);
/* Set DBus connection to use to talk to hald. */
dbus_bool_t libhal_ctx_set_dbus_connection (LibHalContext *ctx, DBusConnection *conn);
/* Get DBus connection to use to talk to hald. */
DBusConnection *libhal_ctx_get_dbus_connection (LibHalContext *ctx);
/* Set user data for the context */
dbus_bool_t libhal_ctx_set_user_data (LibHalContext *ctx, void *user_data);
/* Get user data for the context */
void* libhal_ctx_get_user_data (LibHalContext *ctx);
/* Set the callback for when a device is added */
dbus_bool_t libhal_ctx_set_device_added (LibHalContext *ctx, LibHalDeviceAdded callback);
/* Set the callback for when a device is removed */
dbus_bool_t libhal_ctx_set_device_removed (LibHalContext *ctx, LibHalDeviceRemoved callback);
/* Set the callback for when a device gains a new capability */
dbus_bool_t libhal_ctx_set_device_new_capability (LibHalContext *ctx, LibHalDeviceNewCapability callback);
/* Set the callback for when a device loses a capability */
dbus_bool_t libhal_ctx_set_device_lost_capability (LibHalContext *ctx, LibHalDeviceLostCapability callback);
/* Set the callback for when a property is modified on a device */
dbus_bool_t libhal_ctx_set_device_property_modified (LibHalContext *ctx, LibHalDevicePropertyModified callback);
/* Set the callback for when a device emits a condition */
dbus_bool_t libhal_ctx_set_device_condition (LibHalContext *ctx, LibHalDeviceCondition callback);
/* Set the callback for when a global interface lock is acquired */
dbus_bool_t libhal_ctx_set_global_interface_lock_acquired (LibHalContext *ctx, LibHalGlobalInterfaceLockAcquired callback);
/* Set the callback for when a global interface lock is released */
dbus_bool_t libhal_ctx_set_global_interface_lock_released (LibHalContext *ctx, LibHalGlobalInterfaceLockReleased callback);
/* Set the callback for when an interface lock is acquired */
dbus_bool_t libhal_ctx_set_interface_lock_acquired (LibHalContext *ctx, LibHalInterfaceLockAcquired callback);
/* Set the callback for when an interface lock is released */
dbus_bool_t libhal_ctx_set_interface_lock_released (LibHalContext *ctx, LibHalInterfaceLockReleased callback);
/* Set the callback for addon singleton device added */
dbus_bool_t libhal_ctx_set_singleton_device_added (LibHalContext *ctx, LibHalSingletonDeviceAdded callback);
/* Set the callback for addon singleton device removed*/
dbus_bool_t libhal_ctx_set_singleton_device_removed (LibHalContext *ctx, LibHalSingletonDeviceRemoved callback);
/* Initialize the connection to hald */
dbus_bool_t libhal_ctx_init (LibHalContext *ctx, DBusError *error);
/* Shut down a connection to hald */
dbus_bool_t libhal_ctx_shutdown (LibHalContext *ctx, DBusError *error);
/* Free a LibHalContext resource */
dbus_bool_t libhal_ctx_free (LibHalContext *ctx);
/* Create an already initialized connection to hald */
LibHalContext *libhal_ctx_init_direct (DBusError *error);
/* Get all devices in the Global Device List (GDL). */
char **libhal_get_all_devices (LibHalContext *ctx, int *num_devices, DBusError *error);
/* Determine if a device exists. */
dbus_bool_t libhal_device_exists (LibHalContext *ctx, const char *udi, DBusError *error);
/* Print a device to stdout; useful for debugging. */
dbus_bool_t libhal_device_print (LibHalContext *ctx, const char *udi, DBusError *error);
/* Determine if a property on a device exists. */
dbus_bool_t libhal_device_property_exists (LibHalContext *ctx,
const char *udi,
const char *key,
DBusError *error);
/* Get the value of a property of type string. */
char *libhal_device_get_property_string (LibHalContext *ctx,
const char *udi,
const char *key,
DBusError *error);
/* Get the value of a property of type signed integer. */
dbus_int32_t libhal_device_get_property_int (LibHalContext *ctx,
const char *udi,
const char *key,
DBusError *error);
/* Get the value of a property of type unsigned integer. */
dbus_uint64_t libhal_device_get_property_uint64 (LibHalContext *ctx,
const char *udi,
const char *key,
DBusError *error);
/* Get the value of a property of type double. */
double libhal_device_get_property_double (LibHalContext *ctx,
const char *udi,
const char *key,
DBusError *error);
/* Get the value of a property of type bool. */
dbus_bool_t libhal_device_get_property_bool (LibHalContext *ctx,
const char *udi,
const char *key,
DBusError *error);
/* Get the value of a property of type string list. */
char **libhal_device_get_property_strlist (LibHalContext *ctx,
const char *udi,
const char *key,
DBusError *error);
/* Set a property of type string. */
dbus_bool_t libhal_device_set_property_string (LibHalContext *ctx,
const char *udi,
const char *key,
const char *value,
DBusError *error);
/* Set a property of type signed integer. */
dbus_bool_t libhal_device_set_property_int (LibHalContext *ctx,
const char *udi,
const char *key,
dbus_int32_t value,
DBusError *error);
/* Set a property of type unsigned integer. */
dbus_bool_t libhal_device_set_property_uint64 (LibHalContext *ctx,
const char *udi,
const char *key,
dbus_uint64_t value,
DBusError *error);
/* Set a property of type double. */
dbus_bool_t libhal_device_set_property_double (LibHalContext *ctx,
const char *udi,
const char *key,
double value,
DBusError *error);
/* Set a property of type bool. */
dbus_bool_t libhal_device_set_property_bool (LibHalContext *ctx,
const char *udi,
const char *key,
dbus_bool_t value,
DBusError *error);
/* Append to a property of type strlist. */
dbus_bool_t libhal_device_property_strlist_append (LibHalContext *ctx,
const char *udi,
const char *key,
const char *value,
DBusError *error);
/* Prepend to a property of type strlist. */
dbus_bool_t libhal_device_property_strlist_prepend (LibHalContext *ctx,
const char *udi,
const char *key,
const char *value,
DBusError *error);
/* Remove a specified string from a property of type strlist. */
dbus_bool_t libhal_device_property_strlist_remove_index (LibHalContext *ctx,
const char *udi,
const char *key,
unsigned int idx,
DBusError *error);
/* Remove a specified string from a property of type strlist. */
dbus_bool_t libhal_device_property_strlist_remove (LibHalContext *ctx,
const char *udi,
const char *key,
const char *value,
DBusError *error);
/* Remove a property. */
dbus_bool_t libhal_device_remove_property (LibHalContext *ctx,
const char *udi,
const char *key,
DBusError *error);
/* Query a property type of a device. */
LibHalPropertyType libhal_device_get_property_type (LibHalContext *ctx,
const char *udi,
const char *key,
DBusError *error);
struct LibHalChangeSet_s;
typedef struct LibHalChangeSet_s LibHalChangeSet;
LibHalChangeSet *libhal_device_new_changeset (const char *udi);
dbus_bool_t libhal_changeset_set_property_string (LibHalChangeSet *changeset,
const char *key,
const char *value);
dbus_bool_t libhal_changeset_set_property_int (LibHalChangeSet *changeset,
const char *key,
dbus_int32_t value);
dbus_bool_t libhal_changeset_set_property_uint64 (LibHalChangeSet *changeset,
const char *key,
dbus_uint64_t value);
dbus_bool_t libhal_changeset_set_property_double (LibHalChangeSet *changeset,
const char *key,
double value);
dbus_bool_t libhal_changeset_set_property_bool (LibHalChangeSet *changeset,
const char *key,
dbus_bool_t value);
dbus_bool_t libhal_changeset_set_property_strlist (LibHalChangeSet *changeset,
const char *key,
const char **value);
dbus_bool_t libhal_device_commit_changeset (LibHalContext *ctx,
LibHalChangeSet *changeset,
DBusError *error);
void libhal_device_free_changeset (LibHalChangeSet *changeset);
/* Retrieve all the properties on a device. */
LibHalPropertySet *libhal_device_get_all_properties (LibHalContext *ctx,
const char *udi,
DBusError *error);
/* Get all devices and their properties */
dbus_bool_t libhal_get_all_devices_with_properties (LibHalContext *ctx,
int *out_num_devices,
char ***out_udi,
LibHalPropertySet ***out_properties,
DBusError *error);
/* sort all properties according to property name */
void libhal_property_set_sort (LibHalPropertySet *set);
/* Free a property set earlier obtained with libhal_device_get_all_properties(). */
void libhal_free_property_set (LibHalPropertySet *set);
/* Get the number of properties in a property set. */
unsigned int libhal_property_set_get_num_elems (LibHalPropertySet *set);
/* Get type of property. */
LibHalPropertyType libhal_ps_get_type (const LibHalPropertySet *set, const char *key);
/* Get the value of a property of type string. */
const char *libhal_ps_get_string (const LibHalPropertySet *set, const char *key);
/* Get the value of a property of type signed integer. */
dbus_int32_t libhal_ps_get_int32 (const LibHalPropertySet *set, const char *key);
/* Get the value of a property of type unsigned integer. */
dbus_uint64_t libhal_ps_get_uint64 (const LibHalPropertySet *set, const char *key);
/* Get the value of a property of type double. */
double libhal_ps_get_double (const LibHalPropertySet *set, const char *key);
/* Get the value of a property of type bool. */
dbus_bool_t libhal_ps_get_bool (const LibHalPropertySet *set, const char *key);
/* Get the value of a property of type string list. */
const char * const *libhal_ps_get_strlist (const LibHalPropertySet *set, const char *key);
/**
* LibHalPropertySetIterator:
*
* Iterator for inspecting all properties. Do not access any members;
* use the libhal_psi_* family of functions instead.
*/
struct LibHalPropertySetIterator_s {
LibHalPropertySet *set; /**< Property set we are iterating over */
unsigned int idx; /**< Index into current element */
LibHalProperty *cur_prop; /**< Current property being visited */
void *reservered0; /**< Reserved for future use */
void *reservered1; /**< Reserved for future use */
};
typedef struct LibHalPropertySetIterator_s LibHalPropertySetIterator;
/* Initialize a property set iterator. */
void libhal_psi_init (LibHalPropertySetIterator *iter, LibHalPropertySet *set);
/* Determine whether there are more properties to iterate over */
dbus_bool_t libhal_psi_has_more (LibHalPropertySetIterator *iter);
/* Advance iterator to next property. */
void libhal_psi_next (LibHalPropertySetIterator *iter);
/* Get type of property. */
LibHalPropertyType libhal_psi_get_type (LibHalPropertySetIterator *iter);
/* Get the key of a property. */
char *libhal_psi_get_key (LibHalPropertySetIterator *iter);
/* Get the value of a property of type string. */
char *libhal_psi_get_string (LibHalPropertySetIterator *iter);
/* Get the value of a property of type signed integer. */
dbus_int32_t libhal_psi_get_int (LibHalPropertySetIterator *iter);
/* Get the value of a property of type unsigned integer. */
dbus_uint64_t libhal_psi_get_uint64 (LibHalPropertySetIterator *iter);
/* Get the value of a property of type double. */
double libhal_psi_get_double (LibHalPropertySetIterator *iter);
/* Get the value of a property of type bool. */
dbus_bool_t libhal_psi_get_bool (LibHalPropertySetIterator *iter);
/* Get the value of a property of type string list. */
char **libhal_psi_get_strlist (LibHalPropertySetIterator *iter);
/* Get the length of an array of strings */
unsigned int libhal_string_array_length (char **str_array);
/* Frees a NULL-terminated array of strings. If passed NULL, does nothing. */
void libhal_free_string_array (char **str_array);
/* Frees a nul-terminated string */
void libhal_free_string (char *str);
/* Create a new device object which will be hidden from applications
* until the CommitToGdl(), ie. libhal_device_commit_to_gdl(), method is called.
*/
char *libhal_new_device (LibHalContext *ctx, DBusError *error);
/* When a hidden device has been built using the NewDevice method, ie.
* libhal_new_device(), and the org.freedesktop.Hal.Device interface
* this function will commit it to the global device list.
*/
dbus_bool_t libhal_device_commit_to_gdl (LibHalContext *ctx,
const char *temp_udi,
const char *udi,
DBusError *error);
/* This method can be invoked when a device is removed. The HAL daemon
* will shut down the device. Note that the device may still be in the device
* list if the Persistent property is set to true.
*/
dbus_bool_t libhal_remove_device (LibHalContext *ctx,
const char *udi,
DBusError *error);
/* Merge properties from one device to another. */
dbus_bool_t libhal_merge_properties (LibHalContext *ctx,
const char *target_udi,
const char *source_udi,
DBusError *error);
/* Check a set of properties for two devices matches. */
dbus_bool_t libhal_device_matches (LibHalContext *ctx,
const char *udi1,
const char *udi2,
const char *property_namespace,
DBusError *error);
/* Find a device in the GDL where a single string property matches a
* given value.
*/
char **libhal_manager_find_device_string_match (LibHalContext *ctx,
const char *key,
const char *value,
int *num_devices,
DBusError *error);
/* Assign a capability to a device. */
dbus_bool_t libhal_device_add_capability (LibHalContext *ctx,
const char *udi,
const char *capability,
DBusError *error);
/* Check if a device has a capability. The result is undefined if the
* device doesn't exist.
*/
dbus_bool_t libhal_device_query_capability (LibHalContext *ctx,
const char *udi,
const char *capability,
DBusError *error);
/* Find devices with a given capability. */
char **libhal_find_device_by_capability (LibHalContext *ctx,
const char *capability,
int *num_devices,
DBusError *error);
/* Watch all devices, ie. the device_property_changed callback is
* invoked when the properties on any device changes.
*/
dbus_bool_t libhal_device_property_watch_all (LibHalContext *ctx,
DBusError *error);
/* Remove a watch of all devices.
*/
dbus_bool_t libhal_device_property_remove_watch_all (LibHalContext *ctx,
DBusError *error);
/* Add a watch on a device, so the device_property_changed callback is
* invoked when the properties on the given device changes.
*/
dbus_bool_t libhal_device_add_property_watch (LibHalContext *ctx,
const char *udi,
DBusError *error);
/* Remove a watch on a device */
dbus_bool_t libhal_device_remove_property_watch (LibHalContext *ctx,
const char *udi,
DBusError *error);
/* Take an advisory lock on the device. */
dbus_bool_t libhal_device_lock (LibHalContext *ctx,
const char *udi,
const char *reason_to_lock,
char **reason_why_locked,
DBusError *error);
/* Release an advisory lock on the device. */
dbus_bool_t libhal_device_unlock (LibHalContext *ctx,
const char *udi,
DBusError *error);
dbus_bool_t libhal_device_rescan (LibHalContext *ctx,
const char *udi,
DBusError *error);
dbus_bool_t libhal_device_reprobe (LibHalContext *ctx,
const char *udi,
DBusError *error);
/* Emit a condition from a device (for hald helpers only) */
dbus_bool_t libhal_device_emit_condition (LibHalContext *ctx,
const char *udi,
const char *condition_name,
const char *condition_details,
DBusError *error);
/* Claim an interface for a device (for hald helpers only) */
dbus_bool_t libhal_device_claim_interface (LibHalContext *ctx,
const char *udi,
const char *interface_name,
const char *introspection_xml,
DBusError *error);
/* hald waits for all addons to call this function before announcing the addon (for hald helpers only) */
dbus_bool_t libhal_device_addon_is_ready (LibHalContext *ctx, const char *udi, DBusError *error);
dbus_bool_t libhal_device_singleton_addon_is_ready (LibHalContext *ctx, const char *command_line, DBusError *error);
/* Take a mandatory lock on an interface on a device. */
dbus_bool_t libhal_device_acquire_interface_lock (LibHalContext *ctx,
const char *udi,
const char *interface,
dbus_bool_t exclusive,
DBusError *error);
/* Release a mandatory lock on an interface on a device. */
dbus_bool_t libhal_device_release_interface_lock (LibHalContext *ctx,
const char *udi,
const char *interface,
DBusError *error);
/* Take a mandatory lock on an interface (the lock affects all devices the caller have access to). */
dbus_bool_t libhal_acquire_global_interface_lock (LibHalContext *ctx,
const char *interface,
dbus_bool_t exclusive,
DBusError *error);
/* Release a mandatory lock on an interface (affects all devices the caller have access to). */
dbus_bool_t libhal_release_global_interface_lock (LibHalContext *ctx,
const char *interface,
DBusError *error);
/* Determine if a given caller is locked out of a given interface on a given device */
dbus_bool_t libhal_device_is_caller_locked_out (LibHalContext *ctx,
const char *udi,
const char *interface,
const char *caller,
DBusError *error);
/* Determines whether a determines other processes than the caller holds a lock on the given device. */
dbus_bool_t libhal_device_is_locked_by_others (LibHalContext *ctx,
const char *udi,
const char *interface,
DBusError *error);
/* Determine if a given caller is privileged (requires HAL to be built with PolicyKit support) */
char* libhal_device_is_caller_privileged (LibHalContext *ctx,
const char *udi,
const char *action,
const char *caller,
DBusError *error);
#if defined(__cplusplus)
}
#endif
#endif /* LIBHAL_H */
|