resource.c File Reference

#include "wizard/studio.h"
#include "wizard/exception.h"
#include "wizard/exception-private.h"
#include "wizard/hashmap.h"
#include "wizard/log.h"
#include "wizard/memory_.h"
#include "wizard/option.h"
#include "wizard/random_.h"
#include "wizard/resource_.h"
#include "wizard/semaphore.h"
#include "wizard/signature.h"
#include "wizard/splay-tree.h"
#include "wizard/string_.h"
#include "wizard/string-private.h"
#include "wizard/token.h"
#include "wizard/utility.h"

Include dependency graph for resource.c:

Go to the source code of this file.

Data Structures
struct	_ResourceInfo
Defines
#define	WizardResourceInfinity   (~0UL)
#define	O_NOFOLLOW   0
#define	TMP_MAX   238328
Typedefs
typedef struct _ResourceInfo	ResourceInfo
Functions
WizardExport WizardBooleanType	AcquireUniqueFilename (char *path, ExceptionInfo *exception)
static void *	DestroyTemporaryResources (void *temporary_resource)
static WizardBooleanType	GetPathTemplate (const char *path, char *filename)
WizardExport int	AcquireUniqueFileResource (const char *path, char *filename, ExceptionInfo *exception)
WizardExport WizardBooleanType	AcquireWizardResource (const ResourceType type, const WizardSizeType size)
WizardExport void	AsynchronousResourceComponentTerminus (void)
WizardExport WizardSizeType	GetWizardResource (const ResourceType type)
WizardExport WizardSizeType	GetWizardResourceLimit (const ResourceType type)
WizardExport WizardBooleanType	ListWizardResourceInfo (FILE *file, ExceptionInfo *wizard_unused(exception))
WizardExport void	RelinquishWizardResource (const ResourceType type, const WizardSizeType size)
WizardExport WizardBooleanType	RelinquishUniqueFileResource (const char *path, const WizardBooleanType trash)
static ssize_t	WizardMax (const ssize_t x, const ssize_t y)
WizardExport WizardBooleanType	ResourceComponentGenesis (void)
WizardExport void	ResourceComponentTerminus (void)
WizardExport WizardBooleanType	SetWizardResourceLimit (const ResourceType type, const WizardSizeType limit)
Variables
static RandomInfo *	random_info = (RandomInfo *) NULL
static ResourceInfo	resource_info
static SemaphoreInfo *	resource_semaphore = (SemaphoreInfo *) NULL
static SplayTreeInfo *	temporary_resources = (SplayTreeInfo *) NULL

---

Define Documentation

#define O_NOFOLLOW   0

Referenced by AcquireUniqueFileResource().

#define TMP_MAX   238328

Referenced by AcquireUniqueFileResource().

#define WizardResourceInfinity   (~0UL)

Definition at line 62 of file resource.c.

Referenced by AcquireWizardResource().

---

Typedef Documentation

typedef struct _ResourceInfo ResourceInfo

---

Function Documentation

WizardExport WizardBooleanType AcquireUniqueFilename	(	char *	path,
		ExceptionInfo *	exception
	)

Definition at line 136 of file resource.c.

References AcquireUniqueFileResource(), close, GetWizardModule, ResourceError, ThrowWizardException(), WizardFalse, and WizardTrue.

WizardExport int AcquireUniqueFileResource	(	const char *	path,
		char *	filename,
		ExceptionInfo *	exception
	)

Definition at line 246 of file resource.c.

References AcquireRandomInfo(), AcquireSemaphoreInfo(), AcquireWizardResource(), AddValueToSplayTree(), close, CompareSplayTreeString(), ConstantString(), DestroyStringInfo(), DestroyTemporaryResources(), FileResource, GetPathTemplate(), GetRandomKey(), GetStringInfoDatum(), GetStringInfoLength(), GetWizardModule, LockSemaphoreInfo(), LogWizardEvent(), NewSplayTree(), O_BINARY, O_NOFOLLOW, open, random_info, RelinquishWizardMemory(), resource_semaphore, ResourceDomain, ResourceError, ResourceEvent, S_MODE, SHA256Hash, temporary_resources, ThrowWizardException(), TMP_MAX, UnlockSemaphoreInfo(), WizardAssert, and WizardFalse.

Referenced by AcquireUniqueFilename().

WizardExport WizardBooleanType AcquireWizardResource	(	const ResourceType	type,
		const WizardSizeType	size
	)

Definition at line 362 of file resource.c.

References AcquireSemaphoreInfo(), _ResourceInfo::area, _ResourceInfo::area_limit, AreaResource, _ResourceInfo::disk, _ResourceInfo::disk_limit, DiskResource, _ResourceInfo::file, _ResourceInfo::file_limit, FileResource, FormatWizardSize(), GetWizardModule, LockSemaphoreInfo(), LogWizardEvent(), _ResourceInfo::map, _ResourceInfo::map_limit, MapResource, _ResourceInfo::memory, _ResourceInfo::memory_limit, MemoryResource, resource_info, resource_semaphore, ResourceEvent, UnlockSemaphoreInfo(), WizardFalse, WizardOptionToMnemonic(), WizardResourceInfinity, WizardResourceOptions, and WizardTrue.

Referenced by AcquireUniqueFileResource().

WizardExport void AsynchronousResourceComponentTerminus

(

void

)

Definition at line 477 of file resource.c.

References DestroyRandomInfo(), GetNextKeyInSplayTree(), random_info, ResetSplayTreeIterator(), and temporary_resources.

Referenced by WizardSignalHandler().

static void* DestroyTemporaryResources

(

void *

temporary_resource

)

[static]

Definition at line 180 of file resource.c.

Referenced by AcquireUniqueFileResource().

static WizardBooleanType GetPathTemplate	(	const char *	path,
		char *	filename
	)			[static]

Definition at line 186 of file resource.c.

References ConstantString(), CopyWizardString(), DirectorySeparator, FormatWizardString(), GetEnvironmentValue(), RelinquishWizardMemory(), S_ISDIR, and WizardTrue.

Referenced by AcquireUniqueFileResource().

WizardExport WizardSizeType GetWizardResource

(

const ResourceType

type

)

Definition at line 520 of file resource.c.

References AcquireSemaphoreInfo(), _ResourceInfo::area, AreaResource, _ResourceInfo::disk, DiskResource, _ResourceInfo::file, FileResource, LockSemaphoreInfo(), _ResourceInfo::map, MapResource, _ResourceInfo::memory, MemoryResource, resource_info, resource_semaphore, and UnlockSemaphoreInfo().

WizardExport WizardSizeType GetWizardResourceLimit

(

const ResourceType

type

)

Definition at line 585 of file resource.c.

References AcquireSemaphoreInfo(), _ResourceInfo::area_limit, AreaResource, _ResourceInfo::disk_limit, DiskResource, _ResourceInfo::file_limit, FileResource, LockSemaphoreInfo(), _ResourceInfo::map_limit, MapResource, _ResourceInfo::memory_limit, MemoryResource, resource_info, resource_semaphore, and UnlockSemaphoreInfo().

WizardExport WizardBooleanType ListWizardResourceInfo	(	FILE *	file,
		ExceptionInfo *	wizard_unusedexception
	)

Definition at line 653 of file resource.c.

References AcquireSemaphoreInfo(), _ResourceInfo::area_limit, _ResourceInfo::disk_limit, _ResourceInfo::file_limit, FormatWizardSize(), LockSemaphoreInfo(), _ResourceInfo::map_limit, _ResourceInfo::memory_limit, resource_info, resource_semaphore, UnlockSemaphoreInfo(), WizardFalse, and WizardTrue.

WizardExport WizardBooleanType RelinquishUniqueFileResource	(	const char *	path,
		const WizardBooleanType	trash
	)

Definition at line 798 of file resource.c.

References DeleteNodeFromSplayTree(), GetNextKeyInSplayTree(), GetWizardModule, LocaleCompare(), LogWizardEvent(), ResetSplayTreeIterator(), ResourceDomain, ResourceEvent, temporary_resources, WizardAssert, WizardFalse, and WizardTrue.

WizardExport void RelinquishWizardResource	(	const ResourceType	type,
		const WizardSizeType	size
	)

Definition at line 705 of file resource.c.

References AcquireSemaphoreInfo(), _ResourceInfo::area, _ResourceInfo::area_limit, AreaResource, _ResourceInfo::disk, _ResourceInfo::disk_limit, DiskResource, _ResourceInfo::file, _ResourceInfo::file_limit, FileResource, FormatWizardSize(), GetWizardModule, LockSemaphoreInfo(), LogWizardEvent(), _ResourceInfo::map, _ResourceInfo::map_limit, MapResource, _ResourceInfo::memory, _ResourceInfo::memory_limit, MemoryResource, resource_info, resource_semaphore, ResourceEvent, UnlockSemaphoreInfo(), WizardFalse, WizardOptionToMnemonic(), WizardResourceOptions, and WizardTrue.

WizardExport WizardBooleanType ResourceComponentGenesis

(

void

)

Definition at line 850 of file resource.c.

References _SC_OPEN_MAX, _SC_PAGESIZE, _SC_PHYS_PAGES, AcquireSemaphoreInfo(), AreaResource, DestroyString(), DiskResource, FileResource, GetEnvironmentValue(), MapResource, MemoryResource, resource_semaphore, SetWizardResourceLimit(), StringToUnsignedLong(), sysconf, WizardMax(), and WizardTrue.

Referenced by WizardsToolkitGenesis().

WizardExport void ResourceComponentTerminus

(

void

)

Definition at line 945 of file resource.c.

References AcquireSemaphoreInfo(), DestroySemaphoreInfo(), DestroySplayTree(), LockSemaphoreInfo(), resource_semaphore, temporary_resources, and UnlockSemaphoreInfo().

Referenced by WizardsToolkitTerminus().

WizardExport WizardBooleanType SetWizardResourceLimit	(	const ResourceType	type,
		const WizardSizeType	limit
	)

Definition at line 981 of file resource.c.

References AcquireSemaphoreInfo(), _ResourceInfo::area_limit, AreaResource, _ResourceInfo::disk_limit, DiskResource, _ResourceInfo::file_limit, FileResource, LockSemaphoreInfo(), _ResourceInfo::map_limit, MapResource, _ResourceInfo::memory_limit, MemoryResource, resource_info, resource_semaphore, UnlockSemaphoreInfo(), and WizardTrue.

Referenced by ResourceComponentGenesis().

static ssize_t WizardMax	(	const ssize_t	x,
		const ssize_t	y
	)			[inline, static]

Definition at line 843 of file resource.c.

Referenced by ResourceComponentGenesis().

---

Variable Documentation

RandomInfo* random_info = (RandomInfo *) NULL [static]

Definition at line 88 of file resource.c.

Referenced by AcquireRandomInfo(), AcquireUniqueFileResource(), and AsynchronousResourceComponentTerminus().

ResourceInfo resource_info [static]

Initial value:

  {
    WizardULLConstant(0),
    WizardULLConstant(0),
    WizardULLConstant(0),
    WizardULLConstant(0),
    WizardULLConstant(0),
    WizardULLConstant(2048)*1024*1024,
    WizardULLConstant(1536)*1024*1024,
    WizardULLConstant(8192)*1024*1024,
    WizardResourceInfinity,
    WizardULLConstant(768)
  }

Definition at line 91 of file resource.c.

Referenced by AcquireWizardResource(), GetWizardResource(), GetWizardResourceLimit(), ListWizardResourceInfo(), RelinquishWizardResource(), and SetWizardResourceLimit().

SemaphoreInfo* resource_semaphore = (SemaphoreInfo *) NULL [static]

Definition at line 106 of file resource.c.

Referenced by AcquireUniqueFileResource(), AcquireWizardResource(), GetWizardResource(), GetWizardResourceLimit(), ListWizardResourceInfo(), RelinquishWizardResource(), ResourceComponentGenesis(), ResourceComponentTerminus(), and SetWizardResourceLimit().

SplayTreeInfo* temporary_resources = (SplayTreeInfo *) NULL [static]

Definition at line 109 of file resource.c.

Referenced by AcquireUniqueFileResource(), AsynchronousResourceComponentTerminus(), RelinquishUniqueFileResource(), and ResourceComponentTerminus().