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57 lines
1.3 KiB
57 lines
1.3 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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#ifndef SYSTEMINFORMATION_H
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#define SYSTEMINFORMATION_H
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#ifdef _WIN32
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#pragma once
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#endif
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#ifndef PLATFORM_INTERFACE
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#define PLATFORM_INTERFACE
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#endif
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//
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// Defines a possible outcome of a system call
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//
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enum SYSTEM_CALL_RESULT_t
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{
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SYSCALL_SUCCESS = 0, // System call succeeded
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SYSCALL_FAILED = 1, // System call failed
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SYSCALL_NOPROC = 2, // Failed to find required system procedure
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SYSCALL_NODLL = 3, // Failed to find or load required system module
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SYSCALL_UNSUPPORTED = 4, // System call unsupported on the OS
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};
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//
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// Information about paged pool memory
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//
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struct PAGED_POOL_INFO_t
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{
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unsigned long numPagesUsed; // Number of Paged Pool pages used
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unsigned long numPagesFree; // Number of Paged Pool pages free
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};
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//
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// Plat_GetMemPageSize
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// Returns the size of a memory page in kilobytes.
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//
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PLATFORM_INTERFACE unsigned long Plat_GetMemPageSize();
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//
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// Plat_GetPagedPoolInfo
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// Fills in the paged pool info structure if successful.
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//
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PLATFORM_INTERFACE SYSTEM_CALL_RESULT_t Plat_GetPagedPoolInfo( PAGED_POOL_INFO_t *pPPI );
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#endif // #ifndef SYSTEMINFORMATION_H
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