| 1 | /* $Id: process.cpp 385 2007-01-27 20:05:44Z vboxsync $ */
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| 2 | /** @file
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| 3 | * InnoTek Portable Runtime - Process, Common.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006 InnoTek Systemberatung GmbH
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License as published by the Free Software Foundation,
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| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * If you received this file as part of a commercial VirtualBox
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| 18 | * distribution, then only the terms of your commercial VirtualBox
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| 19 | * license agreement apply instead of the previous paragraph.
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| 20 | */
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| 21 |
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| 22 |
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| 23 |
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| 24 | /*******************************************************************************
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| 25 | * Header Files *
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| 26 | *******************************************************************************/
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| 27 | #include <iprt/process.h>
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| 28 | #include <iprt/assert.h>
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| 29 | #include <iprt/err.h>
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| 30 | #include "internal/process.h"
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| 31 | #include "internal/thread.h"
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| 32 |
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| 33 | #ifdef __WIN__
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| 34 | # include <process.h>
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| 35 | #else
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| 36 | # include <unistd.h>
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| 37 | #endif
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| 38 |
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| 39 |
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| 40 | /**
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| 41 | * Get the identifier for the current process.
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| 42 | *
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| 43 | * @returns Process identifier.
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| 44 | */
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| 45 | RTDECL(RTPROCESS) RTProcSelf(void)
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| 46 | {
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| 47 | RTPROCESS Self = g_ProcessSelf;
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| 48 | if (Self != NIL_RTPROCESS)
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| 49 | return Self;
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| 50 |
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| 51 | /* lazy init. */
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| 52 | #ifdef _MSC_VER
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| 53 | Self = _getpid(); /* crappy ansi compiler */
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| 54 | #else
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| 55 | Self = getpid();
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| 56 | #endif
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| 57 | g_ProcessSelf = Self;
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| 58 | return Self;
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| 59 | }
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| 60 |
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| 61 |
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| 62 | /**
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| 63 | * Attempts to alter the priority of the current process.
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| 64 | *
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| 65 | * @returns iprt status code.
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| 66 | * @param enmPriority The new priority.
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| 67 | */
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| 68 | RTR3DECL(int) RTProcSetPriority(RTPROCPRIORITY enmPriority)
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| 69 | {
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| 70 | if (enmPriority > RTPROCPRIORITY_INVALID && enmPriority < RTPROCPRIORITY_LAST)
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| 71 | return rtThreadDoSetProcPriority(enmPriority);
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| 72 | AssertMsgFailed(("enmPriority=%d\n", enmPriority));
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| 73 | return VERR_INVALID_PARAMETER;
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| 74 | }
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| 75 |
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| 76 |
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| 77 | /**
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| 78 | * Gets the current priority of this process.
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| 79 | *
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| 80 | * @returns The priority (see RTPROCPRIORITY).
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| 81 | */
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| 82 | RTR3DECL(RTPROCPRIORITY) RTProcGetPriority(void)
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| 83 | {
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| 84 | return g_enmProcessPriority;
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| 85 | }
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| 86 |
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