56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
|
|
* Copyright 2008, Ingo Weinhold, ingo_weinhold@gmx.de.
|
|
* Copyright 2005-2009, Axel Dörfler, axeld@pinc-software.de.
|
|
* Distributed under the terms of the MIT License.
|
|
*/
|
|
#ifndef _KERNEL_LOW_RESOURCE_MANAGER_H
|
|
#define _KERNEL_LOW_RESOURCE_MANAGER_H
|
|
|
|
|
|
#include <SupportDefs.h>
|
|
|
|
|
|
/* warning levels for low resource handlers */
|
|
enum {
|
|
B_NO_LOW_RESOURCE = 0,
|
|
B_LOW_RESOURCE_NOTE,
|
|
B_LOW_RESOURCE_WARNING,
|
|
B_LOW_RESOURCE_CRITICAL,
|
|
};
|
|
|
|
enum {
|
|
B_KERNEL_RESOURCE_PAGES = 0x01, /* physical pages */
|
|
B_KERNEL_RESOURCE_MEMORY = 0x02, /* reservable memory */
|
|
B_KERNEL_RESOURCE_SEMAPHORES = 0x04, /* semaphores */
|
|
B_KERNEL_RESOURCE_ADDRESS_SPACE = 0x08, /* address space */
|
|
|
|
B_ALL_KERNEL_RESOURCES = B_KERNEL_RESOURCE_PAGES
|
|
| B_KERNEL_RESOURCE_MEMORY
|
|
| B_KERNEL_RESOURCE_SEMAPHORES
|
|
| B_KERNEL_RESOURCE_ADDRESS_SPACE
|
|
};
|
|
|
|
typedef void (*low_resource_func)(void *data, uint32 resources, int32 level);
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
status_t low_resource_manager_init(void);
|
|
status_t low_resource_manager_init_post_thread(void);
|
|
int32 low_resource_state(uint32 resources);
|
|
void low_resource(uint32 resource, uint64 requirements, uint32 flags,
|
|
uint32 timeout);
|
|
|
|
// these calls might get public some day
|
|
status_t register_low_resource_handler(low_resource_func function, void *data,
|
|
uint32 resources, int32 priority);
|
|
status_t unregister_low_resource_handler(low_resource_func function,
|
|
void *data);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _KERNEL_LOW_RESOURCE_MANAGER_H */
|