[55401] | 1 | /* $Id: SUPDrvSem.cpp 62665 2016-07-28 23:44:29Z vboxsync $ */
|
---|
[23725] | 2 | /** @file
|
---|
| 3 | * VBoxDrv - The VirtualBox Support Driver - Common OS agnostic.
|
---|
| 4 | */
|
---|
| 5 |
|
---|
| 6 | /*
|
---|
[62490] | 7 | * Copyright (C) 2006-2016 Oracle Corporation
|
---|
[23725] | 8 | *
|
---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
---|
| 12 | * General Public License (GPL) as published by the Free Software
|
---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
---|
| 16 | *
|
---|
| 17 | * The contents of this file may alternatively be used under the terms
|
---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
---|
| 22 | *
|
---|
| 23 | * You may elect to license modified versions of this file under the
|
---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
---|
| 25 | */
|
---|
| 26 |
|
---|
[57358] | 27 |
|
---|
| 28 | /*********************************************************************************************************************************
|
---|
| 29 | * Header Files *
|
---|
| 30 | *********************************************************************************************************************************/
|
---|
[23725] | 31 | #define LOG_GROUP LOG_GROUP_SUP_DRV
|
---|
| 32 | #define SUPDRV_AGNOSTIC
|
---|
| 33 | #include "SUPDrvInternal.h"
|
---|
| 34 |
|
---|
| 35 | /** @todo trim this down. */
|
---|
| 36 | #include <iprt/param.h>
|
---|
| 37 | #include <iprt/alloc.h>
|
---|
| 38 | #include <iprt/cpuset.h>
|
---|
| 39 | #include <iprt/handletable.h>
|
---|
| 40 | #include <iprt/mp.h>
|
---|
| 41 | #include <iprt/power.h>
|
---|
| 42 | #include <iprt/process.h>
|
---|
| 43 | #include <iprt/semaphore.h>
|
---|
| 44 | #include <iprt/spinlock.h>
|
---|
| 45 | #include <iprt/thread.h>
|
---|
| 46 | #include <iprt/uuid.h>
|
---|
| 47 |
|
---|
| 48 | #include <VBox/param.h>
|
---|
| 49 | #include <VBox/log.h>
|
---|
| 50 | #include <VBox/err.h>
|
---|
| 51 |
|
---|
| 52 |
|
---|
[23726] | 53 | /**
|
---|
[23728] | 54 | * Destructor for objects created by SUPSemEventCreate.
|
---|
| 55 | *
|
---|
| 56 | * @param pvObj The object handle.
|
---|
| 57 | * @param pvUser1 The IPRT event handle.
|
---|
| 58 | * @param pvUser2 NULL.
|
---|
| 59 | */
|
---|
| 60 | static DECLCALLBACK(void) supR0SemEventDestructor(void *pvObj, void *pvUser1, void *pvUser2)
|
---|
| 61 | {
|
---|
| 62 | Assert(pvUser2 == NULL);
|
---|
[62665] | 63 | RT_NOREF2(pvObj, pvUser2);
|
---|
[23728] | 64 | RTSemEventDestroy((RTSEMEVENT)pvUser1);
|
---|
| 65 | }
|
---|
| 66 |
|
---|
| 67 |
|
---|
| 68 | SUPDECL(int) SUPSemEventCreate(PSUPDRVSESSION pSession, PSUPSEMEVENT phEvent)
|
---|
| 69 | {
|
---|
| 70 | int rc;
|
---|
| 71 | RTSEMEVENT hEventReal;
|
---|
| 72 |
|
---|
| 73 | /*
|
---|
| 74 | * Input validation.
|
---|
| 75 | */
|
---|
| 76 | AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);
|
---|
| 77 | AssertPtrReturn(phEvent, VERR_INVALID_POINTER);
|
---|
| 78 |
|
---|
| 79 | /*
|
---|
| 80 | * Create the event semaphore object.
|
---|
| 81 | */
|
---|
| 82 | rc = RTSemEventCreate(&hEventReal);
|
---|
| 83 | if (RT_SUCCESS(rc))
|
---|
| 84 | {
|
---|
| 85 | void *pvObj = SUPR0ObjRegister(pSession, SUPDRVOBJTYPE_SEM_EVENT, supR0SemEventDestructor, hEventReal, NULL);
|
---|
| 86 | if (pvObj)
|
---|
| 87 | {
|
---|
| 88 | uint32_t h32;
|
---|
| 89 | rc = RTHandleTableAllocWithCtx(pSession->hHandleTable, pvObj, SUPDRV_HANDLE_CTX_EVENT, &h32);
|
---|
| 90 | if (RT_SUCCESS(rc))
|
---|
| 91 | {
|
---|
| 92 | *phEvent = (SUPSEMEVENT)(uintptr_t)h32;
|
---|
| 93 | return VINF_SUCCESS;
|
---|
| 94 | }
|
---|
| 95 | SUPR0ObjRelease(pvObj, pSession);
|
---|
| 96 | }
|
---|
| 97 | else
|
---|
| 98 | RTSemEventDestroy(hEventReal);
|
---|
| 99 | }
|
---|
| 100 | return rc;
|
---|
| 101 | }
|
---|
| 102 |
|
---|
| 103 |
|
---|
| 104 | SUPDECL(int) SUPSemEventClose(PSUPDRVSESSION pSession, SUPSEMEVENT hEvent)
|
---|
| 105 | {
|
---|
| 106 | uint32_t h32;
|
---|
| 107 | PSUPDRVOBJ pObj;
|
---|
| 108 |
|
---|
| 109 | /*
|
---|
| 110 | * Input validation.
|
---|
| 111 | */
|
---|
| 112 | AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);
|
---|
| 113 | if (hEvent == NIL_SUPSEMEVENT)
|
---|
| 114 | return VINF_SUCCESS;
|
---|
| 115 | h32 = (uint32_t)(uintptr_t)hEvent;
|
---|
| 116 | if (h32 != (uintptr_t)hEvent)
|
---|
| 117 | return VERR_INVALID_HANDLE;
|
---|
| 118 |
|
---|
| 119 | /*
|
---|
| 120 | * Do the job.
|
---|
| 121 | */
|
---|
| 122 | pObj = (PSUPDRVOBJ)RTHandleTableFreeWithCtx(pSession->hHandleTable, h32, SUPDRV_HANDLE_CTX_EVENT);
|
---|
| 123 | if (!pObj)
|
---|
| 124 | return VERR_INVALID_HANDLE;
|
---|
| 125 |
|
---|
| 126 | Assert(pObj->cUsage >= 2);
|
---|
| 127 | SUPR0ObjRelease(pObj, pSession); /* The free call above. */
|
---|
| 128 | return SUPR0ObjRelease(pObj, pSession); /* The handle table reference. */
|
---|
| 129 | }
|
---|
| 130 |
|
---|
| 131 |
|
---|
| 132 | SUPDECL(int) SUPSemEventSignal(PSUPDRVSESSION pSession, SUPSEMEVENT hEvent)
|
---|
| 133 | {
|
---|
| 134 | int rc;
|
---|
| 135 | uint32_t h32;
|
---|
| 136 | PSUPDRVOBJ pObj;
|
---|
| 137 |
|
---|
| 138 | /*
|
---|
| 139 | * Input validation.
|
---|
| 140 | */
|
---|
| 141 | AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);
|
---|
| 142 | h32 = (uint32_t)(uintptr_t)hEvent;
|
---|
| 143 | if (h32 != (uintptr_t)hEvent)
|
---|
| 144 | return VERR_INVALID_HANDLE;
|
---|
| 145 | pObj = (PSUPDRVOBJ)RTHandleTableLookupWithCtx(pSession->hHandleTable, h32, SUPDRV_HANDLE_CTX_EVENT);
|
---|
| 146 | if (!pObj)
|
---|
| 147 | return VERR_INVALID_HANDLE;
|
---|
| 148 |
|
---|
| 149 | /*
|
---|
| 150 | * Do the job.
|
---|
| 151 | */
|
---|
| 152 | rc = RTSemEventSignal((RTSEMEVENT)pObj->pvUser1);
|
---|
| 153 |
|
---|
| 154 | SUPR0ObjRelease(pObj, pSession);
|
---|
| 155 | return rc;
|
---|
| 156 | }
|
---|
| 157 |
|
---|
| 158 |
|
---|
[33167] | 159 | static int supR0SemEventWaitEx(PSUPDRVSESSION pSession, SUPSEMEVENT hEvent, uint32_t fFlags, uint64_t uTimeout)
|
---|
[23728] | 160 | {
|
---|
| 161 | int rc;
|
---|
| 162 | uint32_t h32;
|
---|
| 163 | PSUPDRVOBJ pObj;
|
---|
| 164 |
|
---|
| 165 | /*
|
---|
| 166 | * Input validation.
|
---|
| 167 | */
|
---|
| 168 | AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);
|
---|
| 169 | h32 = (uint32_t)(uintptr_t)hEvent;
|
---|
| 170 | if (h32 != (uintptr_t)hEvent)
|
---|
| 171 | return VERR_INVALID_HANDLE;
|
---|
| 172 | pObj = (PSUPDRVOBJ)RTHandleTableLookupWithCtx(pSession->hHandleTable, h32, SUPDRV_HANDLE_CTX_EVENT);
|
---|
| 173 | if (!pObj)
|
---|
| 174 | return VERR_INVALID_HANDLE;
|
---|
| 175 |
|
---|
| 176 | /*
|
---|
| 177 | * Do the job.
|
---|
| 178 | */
|
---|
[33167] | 179 | rc = RTSemEventWaitEx((RTSEMEVENT)pObj->pvUser1, fFlags, uTimeout);
|
---|
[23728] | 180 |
|
---|
| 181 | SUPR0ObjRelease(pObj, pSession);
|
---|
| 182 | return rc;
|
---|
| 183 | }
|
---|
| 184 |
|
---|
| 185 |
|
---|
[33167] | 186 | SUPDECL(int) SUPSemEventWait(PSUPDRVSESSION pSession, SUPSEMEVENT hEvent, uint32_t cMillies)
|
---|
| 187 | {
|
---|
| 188 | uint32_t fFlags = RTSEMWAIT_FLAGS_RELATIVE | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_UNINTERRUPTIBLE;
|
---|
| 189 | if (cMillies == RT_INDEFINITE_WAIT)
|
---|
| 190 | fFlags |= RTSEMWAIT_FLAGS_INDEFINITE;
|
---|
| 191 | return supR0SemEventWaitEx(pSession, hEvent, fFlags, cMillies);
|
---|
| 192 | }
|
---|
| 193 |
|
---|
| 194 |
|
---|
[23728] | 195 | SUPDECL(int) SUPSemEventWaitNoResume(PSUPDRVSESSION pSession, SUPSEMEVENT hEvent, uint32_t cMillies)
|
---|
| 196 | {
|
---|
[33167] | 197 | uint32_t fFlags = RTSEMWAIT_FLAGS_RELATIVE | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_INTERRUPTIBLE;
|
---|
| 198 | if (cMillies == RT_INDEFINITE_WAIT)
|
---|
| 199 | fFlags |= RTSEMWAIT_FLAGS_INDEFINITE;
|
---|
| 200 | return supR0SemEventWaitEx(pSession, hEvent, fFlags, cMillies);
|
---|
| 201 | }
|
---|
[23728] | 202 |
|
---|
| 203 |
|
---|
[33167] | 204 | SUPDECL(int) SUPSemEventWaitNsAbsIntr(PSUPDRVSESSION pSession, SUPSEMEVENT hEvent, uint64_t uNsTimeout)
|
---|
| 205 | {
|
---|
| 206 | uint32_t fFlags = RTSEMWAIT_FLAGS_ABSOLUTE | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_INTERRUPTIBLE;
|
---|
| 207 | return supR0SemEventWaitEx(pSession, hEvent, fFlags, uNsTimeout);
|
---|
| 208 | }
|
---|
[23728] | 209 |
|
---|
[33167] | 210 |
|
---|
| 211 | SUPDECL(int) SUPSemEventWaitNsRelIntr(PSUPDRVSESSION pSession, SUPSEMEVENT hEvent, uint64_t cNsTimeout)
|
---|
| 212 | {
|
---|
| 213 | uint32_t fFlags = RTSEMWAIT_FLAGS_RELATIVE | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_INTERRUPTIBLE;
|
---|
| 214 | return supR0SemEventWaitEx(pSession, hEvent, fFlags, cNsTimeout);
|
---|
[23728] | 215 | }
|
---|
| 216 |
|
---|
| 217 |
|
---|
[33167] | 218 | SUPDECL(uint32_t) SUPSemEventGetResolution(PSUPDRVSESSION pSession)
|
---|
| 219 | {
|
---|
[62665] | 220 | RT_NOREF1(pSession);
|
---|
[33167] | 221 | Assert(SUP_IS_SESSION_VALID(pSession));
|
---|
| 222 | return RTSemEventGetResolution();
|
---|
| 223 | }
|
---|
| 224 |
|
---|
| 225 |
|
---|
[23728] | 226 | /**
|
---|
| 227 | * Destructor for objects created by SUPSemEventMultiCreate.
|
---|
| 228 | *
|
---|
| 229 | * @param pvObj The object handle.
|
---|
| 230 | * @param pvUser1 The IPRT event handle.
|
---|
| 231 | * @param pvUser2 NULL.
|
---|
| 232 | */
|
---|
| 233 | static DECLCALLBACK(void) supR0SemEventMultiDestructor(void *pvObj, void *pvUser1, void *pvUser2)
|
---|
| 234 | {
|
---|
| 235 | Assert(pvUser2 == NULL);
|
---|
[62665] | 236 | RT_NOREF2(pvObj, pvUser2);
|
---|
[23728] | 237 | RTSemEventMultiDestroy((RTSEMEVENTMULTI)pvUser1);
|
---|
| 238 | }
|
---|
| 239 |
|
---|
| 240 |
|
---|
| 241 | SUPDECL(int) SUPSemEventMultiCreate(PSUPDRVSESSION pSession, PSUPSEMEVENTMULTI phEventMulti)
|
---|
| 242 | {
|
---|
| 243 | int rc;
|
---|
| 244 | RTSEMEVENTMULTI hEventMultReal;
|
---|
| 245 |
|
---|
| 246 | /*
|
---|
| 247 | * Input validation.
|
---|
| 248 | */
|
---|
| 249 | AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);
|
---|
| 250 | AssertPtrReturn(phEventMulti, VERR_INVALID_POINTER);
|
---|
| 251 |
|
---|
| 252 | /*
|
---|
| 253 | * Create the event semaphore object.
|
---|
| 254 | */
|
---|
| 255 | rc = RTSemEventMultiCreate(&hEventMultReal);
|
---|
| 256 | if (RT_SUCCESS(rc))
|
---|
| 257 | {
|
---|
| 258 | void *pvObj = SUPR0ObjRegister(pSession, SUPDRVOBJTYPE_SEM_EVENT_MULTI, supR0SemEventMultiDestructor, hEventMultReal, NULL);
|
---|
| 259 | if (pvObj)
|
---|
| 260 | {
|
---|
| 261 | uint32_t h32;
|
---|
| 262 | rc = RTHandleTableAllocWithCtx(pSession->hHandleTable, pvObj, SUPDRV_HANDLE_CTX_EVENT_MULTI, &h32);
|
---|
| 263 | if (RT_SUCCESS(rc))
|
---|
| 264 | {
|
---|
| 265 | *phEventMulti = (SUPSEMEVENTMULTI)(uintptr_t)h32;
|
---|
| 266 | return VINF_SUCCESS;
|
---|
| 267 | }
|
---|
| 268 | SUPR0ObjRelease(pvObj, pSession);
|
---|
| 269 | }
|
---|
| 270 | else
|
---|
| 271 | RTSemEventMultiDestroy(hEventMultReal);
|
---|
| 272 | }
|
---|
| 273 | return rc;
|
---|
| 274 | }
|
---|
| 275 |
|
---|
| 276 |
|
---|
| 277 | SUPDECL(int) SUPSemEventMultiClose(PSUPDRVSESSION pSession, SUPSEMEVENTMULTI hEventMulti)
|
---|
| 278 | {
|
---|
| 279 | uint32_t h32;
|
---|
| 280 | PSUPDRVOBJ pObj;
|
---|
| 281 |
|
---|
| 282 | /*
|
---|
| 283 | * Input validation.
|
---|
| 284 | */
|
---|
| 285 | AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);
|
---|
| 286 | if (hEventMulti == NIL_SUPSEMEVENTMULTI)
|
---|
| 287 | return VINF_SUCCESS;
|
---|
| 288 | h32 = (uint32_t)(uintptr_t)hEventMulti;
|
---|
| 289 | if (h32 != (uintptr_t)hEventMulti)
|
---|
| 290 | return VERR_INVALID_HANDLE;
|
---|
| 291 |
|
---|
| 292 | /*
|
---|
| 293 | * Do the job.
|
---|
| 294 | */
|
---|
| 295 | pObj = (PSUPDRVOBJ)RTHandleTableFreeWithCtx(pSession->hHandleTable, h32, SUPDRV_HANDLE_CTX_EVENT_MULTI);
|
---|
| 296 | if (!pObj)
|
---|
| 297 | return VERR_INVALID_HANDLE;
|
---|
| 298 |
|
---|
| 299 | Assert(pObj->cUsage >= 2);
|
---|
| 300 | SUPR0ObjRelease(pObj, pSession); /* The free call above. */
|
---|
| 301 | return SUPR0ObjRelease(pObj, pSession); /* The handle table reference. */
|
---|
| 302 | }
|
---|
| 303 |
|
---|
| 304 |
|
---|
| 305 | SUPDECL(int) SUPSemEventMultiSignal(PSUPDRVSESSION pSession, SUPSEMEVENTMULTI hEventMulti)
|
---|
| 306 | {
|
---|
| 307 | int rc;
|
---|
| 308 | uint32_t h32;
|
---|
| 309 | PSUPDRVOBJ pObj;
|
---|
| 310 |
|
---|
| 311 | /*
|
---|
| 312 | * Input validation.
|
---|
| 313 | */
|
---|
| 314 | AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);
|
---|
| 315 | h32 = (uint32_t)(uintptr_t)hEventMulti;
|
---|
| 316 | if (h32 != (uintptr_t)hEventMulti)
|
---|
| 317 | return VERR_INVALID_HANDLE;
|
---|
| 318 | pObj = (PSUPDRVOBJ)RTHandleTableLookupWithCtx(pSession->hHandleTable, h32, SUPDRV_HANDLE_CTX_EVENT_MULTI);
|
---|
| 319 | if (!pObj)
|
---|
| 320 | return VERR_INVALID_HANDLE;
|
---|
| 321 |
|
---|
| 322 | /*
|
---|
| 323 | * Do the job.
|
---|
| 324 | */
|
---|
| 325 | rc = RTSemEventMultiSignal((RTSEMEVENTMULTI)pObj->pvUser1);
|
---|
| 326 |
|
---|
| 327 | SUPR0ObjRelease(pObj, pSession);
|
---|
| 328 | return rc;
|
---|
| 329 | }
|
---|
| 330 |
|
---|
| 331 |
|
---|
| 332 | SUPDECL(int) SUPSemEventMultiReset(PSUPDRVSESSION pSession, SUPSEMEVENTMULTI hEventMulti)
|
---|
| 333 | {
|
---|
| 334 | int rc;
|
---|
| 335 | uint32_t h32;
|
---|
| 336 | PSUPDRVOBJ pObj;
|
---|
| 337 |
|
---|
| 338 | /*
|
---|
| 339 | * Input validation.
|
---|
| 340 | */
|
---|
| 341 | AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);
|
---|
| 342 | h32 = (uint32_t)(uintptr_t)hEventMulti;
|
---|
| 343 | if (h32 != (uintptr_t)hEventMulti)
|
---|
| 344 | return VERR_INVALID_HANDLE;
|
---|
| 345 | pObj = (PSUPDRVOBJ)RTHandleTableLookupWithCtx(pSession->hHandleTable, h32, SUPDRV_HANDLE_CTX_EVENT_MULTI);
|
---|
| 346 | if (!pObj)
|
---|
| 347 | return VERR_INVALID_HANDLE;
|
---|
| 348 |
|
---|
| 349 | /*
|
---|
| 350 | * Do the job.
|
---|
| 351 | */
|
---|
| 352 | rc = RTSemEventMultiReset((RTSEMEVENTMULTI)pObj->pvUser1);
|
---|
| 353 |
|
---|
| 354 | SUPR0ObjRelease(pObj, pSession);
|
---|
| 355 | return rc;
|
---|
| 356 | }
|
---|
| 357 |
|
---|
| 358 |
|
---|
[33167] | 359 | static int supR0SemEventMultiWaitEx(PSUPDRVSESSION pSession, SUPSEMEVENTMULTI hEventMulti, uint32_t fFlags, uint64_t uTimeout)
|
---|
[23728] | 360 | {
|
---|
| 361 | int rc;
|
---|
| 362 | uint32_t h32;
|
---|
| 363 | PSUPDRVOBJ pObj;
|
---|
| 364 |
|
---|
| 365 | /*
|
---|
| 366 | * Input validation.
|
---|
| 367 | */
|
---|
| 368 | AssertReturn(SUP_IS_SESSION_VALID(pSession), VERR_INVALID_PARAMETER);
|
---|
| 369 | h32 = (uint32_t)(uintptr_t)hEventMulti;
|
---|
| 370 | if (h32 != (uintptr_t)hEventMulti)
|
---|
| 371 | return VERR_INVALID_HANDLE;
|
---|
| 372 | pObj = (PSUPDRVOBJ)RTHandleTableLookupWithCtx(pSession->hHandleTable, h32, SUPDRV_HANDLE_CTX_EVENT_MULTI);
|
---|
| 373 | if (!pObj)
|
---|
| 374 | return VERR_INVALID_HANDLE;
|
---|
| 375 |
|
---|
| 376 | /*
|
---|
| 377 | * Do the job.
|
---|
| 378 | */
|
---|
[33167] | 379 | rc = RTSemEventMultiWaitEx((RTSEMEVENTMULTI)pObj->pvUser1, fFlags, uTimeout);
|
---|
[23728] | 380 |
|
---|
| 381 | SUPR0ObjRelease(pObj, pSession);
|
---|
| 382 | return rc;
|
---|
| 383 | }
|
---|
| 384 |
|
---|
[33167] | 385 | SUPDECL(int) SUPSemEventMultiWait(PSUPDRVSESSION pSession, SUPSEMEVENTMULTI hEventMulti, uint32_t cMillies)
|
---|
| 386 | {
|
---|
| 387 | uint32_t fFlags = RTSEMWAIT_FLAGS_RELATIVE | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_UNINTERRUPTIBLE;
|
---|
| 388 | if (cMillies == RT_INDEFINITE_WAIT)
|
---|
| 389 | fFlags |= RTSEMWAIT_FLAGS_INDEFINITE;
|
---|
| 390 | return supR0SemEventMultiWaitEx(pSession, hEventMulti, fFlags, cMillies);
|
---|
| 391 | }
|
---|
[23728] | 392 |
|
---|
[33167] | 393 |
|
---|
| 394 |
|
---|
[23728] | 395 | SUPDECL(int) SUPSemEventMultiWaitNoResume(PSUPDRVSESSION pSession, SUPSEMEVENTMULTI hEventMulti, uint32_t cMillies)
|
---|
| 396 | {
|
---|
[33167] | 397 | uint32_t fFlags = RTSEMWAIT_FLAGS_RELATIVE | RTSEMWAIT_FLAGS_MILLISECS | RTSEMWAIT_FLAGS_INTERRUPTIBLE;
|
---|
| 398 | if (cMillies == RT_INDEFINITE_WAIT)
|
---|
| 399 | fFlags |= RTSEMWAIT_FLAGS_INDEFINITE;
|
---|
| 400 | return supR0SemEventMultiWaitEx(pSession, hEventMulti, fFlags, cMillies);
|
---|
| 401 | }
|
---|
[23728] | 402 |
|
---|
| 403 |
|
---|
[33167] | 404 | SUPDECL(int) SUPSemEventMultiWaitNsAbsIntr(PSUPDRVSESSION pSession, SUPSEMEVENTMULTI hEventMulti, uint64_t uNsTimeout)
|
---|
| 405 | {
|
---|
| 406 | uint32_t fFlags = RTSEMWAIT_FLAGS_ABSOLUTE | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_INTERRUPTIBLE;
|
---|
| 407 | return supR0SemEventMultiWaitEx(pSession, hEventMulti, fFlags, uNsTimeout);
|
---|
| 408 | }
|
---|
[23728] | 409 |
|
---|
[33167] | 410 |
|
---|
| 411 | SUPDECL(int) SUPSemEventMultiWaitNsRelIntr(PSUPDRVSESSION pSession, SUPSEMEVENTMULTI hEventMulti, uint64_t cNsTimeout)
|
---|
| 412 | {
|
---|
| 413 | uint32_t fFlags = RTSEMWAIT_FLAGS_RELATIVE | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_INTERRUPTIBLE;
|
---|
| 414 | return supR0SemEventMultiWaitEx(pSession, hEventMulti, fFlags, cNsTimeout);
|
---|
[23728] | 415 | }
|
---|
| 416 |
|
---|
[33167] | 417 |
|
---|
| 418 | SUPDECL(uint32_t) SUPSemEventMultiGetResolution(PSUPDRVSESSION pSession)
|
---|
| 419 | {
|
---|
[62665] | 420 | RT_NOREF1(pSession);
|
---|
[33167] | 421 | Assert(SUP_IS_SESSION_VALID(pSession));
|
---|
| 422 | return RTSemEventMultiGetResolution();
|
---|
| 423 | }
|
---|
| 424 |
|
---|