Ros-diffs August 2018

ros-diffs@reactos.org

32 participants
304 discussions

01/01: [SDK][CRT] Fix _ismbblead undefined error on MSVC

by Katayama Hirofumi MZ

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=0a8ade5dd40e4209f0559… commit 0a8ade5dd40e4209f0559e1f9ce5e9d3ec9b6ccf Author: Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com> AuthorDate: Mon Aug 27 10:12:55 2018 +0900 Commit: Mark Jansen <mark.jansen(a)reactos.org> CommitDate: Mon Aug 27 11:09:28 2018 +0200 [SDK][CRT] Fix _ismbblead undefined error on MSVC --- sdk/lib/crt/startup/crtexe.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sdk/lib/crt/startup/crtexe.c b/sdk/lib/crt/startup/crtexe.c index 87da3dae39..fa20f4166e 100644 --- a/sdk/lib/crt/startup/crtexe.c +++ b/sdk/lib/crt/startup/crtexe.c @@ -20,6 +20,9 @@ #include <tchar.h> #include <sect_attribs.h> #include <locale.h> +#ifdef _MBCS +#include <mbstring.h> +#endif #ifndef __winitenv extern wchar_t *** __MINGW_IMP_SYMBOL(__winitenv);

6 years

02/02: [TIMEOUT] Fix a typo.

by Hermès Bélusca-Maïto

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=d056eb05f2a4aa11bf16d… commit d056eb05f2a4aa11bf16d5bdd40147513d80f187 Author: Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org> AuthorDate: Mon Aug 27 00:25:48 2018 +0200 Commit: Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org> CommitDate: Mon Aug 27 00:28:10 2018 +0200 [TIMEOUT] Fix a typo. --- base/applications/cmdutils/timeout/timeout.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/base/applications/cmdutils/timeout/timeout.c b/base/applications/cmdutils/timeout/timeout.c index 604014fe8b..129a0f1ac9 100644 --- a/base/applications/cmdutils/timeout/timeout.c +++ b/base/applications/cmdutils/timeout/timeout.c @@ -218,7 +218,7 @@ INT InputWait(BOOL bNoBreak, INT timerValue) break; } - /* Be sure there is someting in the console input queue */ + /* Be sure there is something in the console input queue */ if (!PeekConsoleInputW(hInput, InputRecords, ARRAYSIZE(InputRecords), &NumRecords)) { /* An error happened, bail out */

6 years

01/02: [USETUP] Implement a basic console 'input queue' and implement PeekConsoleInput() and CONSOLE_ConInKeyPeek() around it.

by Hermès Bélusca-Maïto

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=6241a16f41abb94757909… commit 6241a16f41abb947579092b1b206fac5e34164f7 Author: Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org> AuthorDate: Mon Aug 27 00:22:07 2018 +0200 Commit: Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org> CommitDate: Mon Aug 27 00:28:08 2018 +0200 [USETUP] Implement a basic console 'input queue' and implement PeekConsoleInput() and CONSOLE_ConInKeyPeek() around it. --- base/setup/usetup/console.c | 162 ++++++++++++++++++++++++++++++++++++++------ base/setup/usetup/consup.c | 32 ++++++++- base/setup/usetup/consup.h | 4 ++ 3 files changed, 177 insertions(+), 21 deletions(-) diff --git a/base/setup/usetup/console.c b/base/setup/usetup/console.c index 1c35375dd6..14a0564c6b 100644 --- a/base/setup/usetup/console.c +++ b/base/setup/usetup/console.c @@ -34,6 +34,13 @@ #define NDEBUG #include <debug.h> +/* DATA **********************************************************************/ + +static BOOLEAN InputQueueEmpty; +static BOOLEAN WaitForInput; +static KEYBOARD_INPUT_DATA InputDataQueue; // Only one element! +static IO_STATUS_BLOCK InputIosb; + /* FUNCTIONS *****************************************************************/ BOOL @@ -76,6 +83,10 @@ AllocConsole(VOID) if (!NT_SUCCESS(Status)) return FALSE; + /* Reset the queue state */ + InputQueueEmpty = TRUE; + WaitForInput = FALSE; + return TRUE; } @@ -93,6 +104,10 @@ BOOL WINAPI FreeConsole(VOID) { + /* Reset the queue state */ + InputQueueEmpty = TRUE; + WaitForInput = FALSE; + if (StdInput != INVALID_HANDLE_VALUE) NtClose(StdInput); @@ -154,11 +169,20 @@ WINAPI FlushConsoleInputBuffer( IN HANDLE hConsoleInput) { + NTSTATUS Status; LARGE_INTEGER Offset, Timeout; IO_STATUS_BLOCK IoStatusBlock; KEYBOARD_INPUT_DATA InputData; - NTSTATUS Status; + /* Cancel any pending read */ + if (WaitForInput) + NtCancelIoFile(hConsoleInput, &IoStatusBlock); + + /* Reset the queue state */ + InputQueueEmpty = TRUE; + WaitForInput = FALSE; + + /* Flush the keyboard buffer */ do { Offset.QuadPart = 0; @@ -168,7 +192,7 @@ FlushConsoleInputBuffer( NULL, &IoStatusBlock, &InputData, - sizeof(KEYBOARD_INPUT_DATA), + sizeof(InputData), &Offset, NULL); if (Status == STATUS_PENDING) @@ -188,35 +212,135 @@ FlushConsoleInputBuffer( BOOL WINAPI -ReadConsoleInput( +PeekConsoleInput( IN HANDLE hConsoleInput, OUT PINPUT_RECORD lpBuffer, IN DWORD nLength, OUT LPDWORD lpNumberOfEventsRead) { - LARGE_INTEGER Offset; - IO_STATUS_BLOCK IoStatusBlock; - KEYBOARD_INPUT_DATA InputData; NTSTATUS Status; + LARGE_INTEGER Offset, Timeout; + KEYBOARD_INPUT_DATA InputData; - Offset.QuadPart = 0; - Status = NtReadFile(hConsoleInput, - NULL, - NULL, - NULL, - &IoStatusBlock, - &InputData, - sizeof(KEYBOARD_INPUT_DATA), - &Offset, - NULL); - if (Status == STATUS_PENDING) + if (InputQueueEmpty) { - Status = NtWaitForSingleObject(hConsoleInput, FALSE, NULL); - Status = IoStatusBlock.Status; + /* Read the keyboard for an event, without waiting */ + if (!WaitForInput) + { + Offset.QuadPart = 0; + Status = NtReadFile(hConsoleInput, + NULL, + NULL, + NULL, + &InputIosb, + &InputDataQueue, + sizeof(InputDataQueue), + &Offset, + NULL); + if (!NT_SUCCESS(Status)) + return FALSE; + if (Status == STATUS_PENDING) + { + /* No input yet, we will have to wait next time */ + *lpNumberOfEventsRead = 0; + WaitForInput = TRUE; + return TRUE; + } + } + else + { + /* + * We already tried to read from the keyboard and are + * waiting for data, check whether something showed up. + */ + Timeout.QuadPart = -100; // Wait just a little bit. + Status = NtWaitForSingleObject(hConsoleInput, FALSE, &Timeout); + if (Status == STATUS_TIMEOUT) + { + /* Nothing yet, continue waiting next time */ + *lpNumberOfEventsRead = 0; + WaitForInput = TRUE; + return TRUE; + } + WaitForInput = FALSE; + if (!NT_SUCCESS(Status)) + return FALSE; + } + + /* We got something in the queue */ + InputQueueEmpty = FALSE; + WaitForInput = FALSE; } + + /* Fetch from the queue but keep it inside */ + InputData = InputDataQueue; + + lpBuffer->EventType = KEY_EVENT; + Status = IntTranslateKey(hConsoleInput, &InputData, &lpBuffer->Event.KeyEvent); if (!NT_SUCCESS(Status)) return FALSE; + *lpNumberOfEventsRead = 1; + return TRUE; +} + + +BOOL +WINAPI +ReadConsoleInput( + IN HANDLE hConsoleInput, + OUT PINPUT_RECORD lpBuffer, + IN DWORD nLength, + OUT LPDWORD lpNumberOfEventsRead) +{ + NTSTATUS Status; + LARGE_INTEGER Offset; + KEYBOARD_INPUT_DATA InputData; + + if (InputQueueEmpty) + { + /* Read the keyboard and wait for an event, skipping the queue */ + if (!WaitForInput) + { + Offset.QuadPart = 0; + Status = NtReadFile(hConsoleInput, + NULL, + NULL, + NULL, + &InputIosb, + &InputDataQueue, + sizeof(InputDataQueue), + &Offset, + NULL); + if (Status == STATUS_PENDING) + { + /* Block and wait for input */ + WaitForInput = TRUE; + Status = NtWaitForSingleObject(hConsoleInput, FALSE, NULL); + WaitForInput = FALSE; + Status = InputIosb.Status; + } + if (!NT_SUCCESS(Status)) + return FALSE; + } + else + { + /* + * We already tried to read from the keyboard and are + * waiting for data, block and wait for input. + */ + Status = NtWaitForSingleObject(hConsoleInput, FALSE, NULL); + WaitForInput = FALSE; + Status = InputIosb.Status; + if (!NT_SUCCESS(Status)) + return FALSE; + } + } + + /* Fetch from the queue and empty it */ + InputData = InputDataQueue; + InputQueueEmpty = TRUE; + lpBuffer->EventType = KEY_EVENT; Status = IntTranslateKey(hConsoleInput, &InputData, &lpBuffer->Event.KeyEvent); if (!NT_SUCCESS(Status)) diff --git a/base/setup/usetup/consup.c b/base/setup/usetup/consup.c index 461cd7cbac..f559d04edb 100644 --- a/base/setup/usetup/consup.c +++ b/base/setup/usetup/consup.c @@ -66,11 +66,39 @@ CONSOLE_ConInKey( while (TRUE) { + /* Wait for a key press */ ReadConsoleInput(StdInput, Buffer, 1, &Read); - if ((Buffer->EventType == KEY_EVENT) - && (Buffer->Event.KeyEvent.bKeyDown != FALSE)) + if ((Buffer->EventType == KEY_EVENT) && + (Buffer->Event.KeyEvent.bKeyDown != FALSE)) + { break; + } + } +} + +BOOLEAN +CONSOLE_ConInKeyPeek( + OUT PINPUT_RECORD Buffer) +{ + DWORD Read = 0; + + while (TRUE) + { + /* Try to get a key press without blocking */ + if (!PeekConsoleInput(StdInput, Buffer, 1, &Read)) + return FALSE; + if (Read == 0) + return FALSE; + + /* Consume it */ + ReadConsoleInput(StdInput, Buffer, 1, &Read); + + if ((Buffer->EventType == KEY_EVENT) && + (Buffer->Event.KeyEvent.bKeyDown != FALSE)) + { + return TRUE; + } } } diff --git a/base/setup/usetup/consup.h b/base/setup/usetup/consup.h index e00ebcd098..dce5fa86aa 100644 --- a/base/setup/usetup/consup.h +++ b/base/setup/usetup/consup.h @@ -64,6 +64,10 @@ VOID CONSOLE_ConInKey( OUT PINPUT_RECORD Buffer); +BOOLEAN +CONSOLE_ConInKeyPeek( + OUT PINPUT_RECORD Buffer); + VOID CONSOLE_ConOutChar( IN CHAR c);

6 years

03/03: [LSASRV] LsapLogonUser creates an impersonation token for a network logon

by Eric Kohl

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=fc2b4bc7ea10e5d458b19… commit fc2b4bc7ea10e5d458b1920cb7c18650ae493afa Author: Eric Kohl <eric.kohl(a)reactos.org> AuthorDate: Mon Aug 27 00:19:10 2018 +0200 Commit: Eric Kohl <eric.kohl(a)reactos.org> CommitDate: Mon Aug 27 00:19:10 2018 +0200 [LSASRV] LsapLogonUser creates an impersonation token for a network logon --- dll/win32/lsasrv/authpackage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dll/win32/lsasrv/authpackage.c b/dll/win32/lsasrv/authpackage.c index 7405e0904e..8eef860c41 100644 --- a/dll/win32/lsasrv/authpackage.c +++ b/dll/win32/lsasrv/authpackage.c @@ -1570,7 +1570,7 @@ LsapLogonUser(PLSA_API_MSG RequestMsg, Status = NtCreateToken(&TokenHandle, TOKEN_ALL_ACCESS, &ObjectAttributes, - TokenPrimary, + (RequestMsg->LogonUser.Request.LogonType == Network) ? TokenImpersonation : TokenPrimary, &RequestMsg->LogonUser.Reply.LogonId, &TokenInfo1->ExpirationTime, &TokenInfo1->User,

6 years

02/03: [SAMSRV] Simplify the initialization of the account expiration time

by Eric Kohl

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=a7b52d6a44119ac6333e6… commit a7b52d6a44119ac6333e64dcd4600edefad7af3b Author: Eric Kohl <eric.kohl(a)reactos.org> AuthorDate: Mon Aug 27 00:12:44 2018 +0200 Commit: Eric Kohl <eric.kohl(a)reactos.org> CommitDate: Mon Aug 27 00:12:44 2018 +0200 [SAMSRV] Simplify the initialization of the account expiration time --- dll/win32/samsrv/samrpc.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/dll/win32/samsrv/samrpc.c b/dll/win32/samsrv/samrpc.c index d5651b2236..2f3729d3eb 100644 --- a/dll/win32/samsrv/samrpc.c +++ b/dll/win32/samsrv/samrpc.c @@ -2512,10 +2512,10 @@ SamrCreateUserInDomain(IN SAMPR_HANDLE DomainHandle, /* Store the fixed domain attributes */ Status = SampSetObjectAttribute(DomainObject, - L"F", - REG_BINARY, - &FixedDomainData, - ulSize); + L"F", + REG_BINARY, + &FixedDomainData, + ulSize); if (!NT_SUCCESS(Status)) { TRACE("failed with status 0x%08lx\n", Status); @@ -2557,8 +2557,7 @@ SamrCreateUserInDomain(IN SAMPR_HANDLE DomainHandle, FixedUserData.LastLogon.QuadPart = 0; FixedUserData.LastLogoff.QuadPart = 0; FixedUserData.PasswordLastSet.QuadPart = 0; - FixedUserData.AccountExpires.LowPart = MAXULONG; - FixedUserData.AccountExpires.HighPart = MAXLONG; + FixedUserData.AccountExpires.QuadPart = MAXLONGLONG; FixedUserData.LastBadPasswordTime.QuadPart = 0; FixedUserData.UserId = ulRid; FixedUserData.PrimaryGroupId = DOMAIN_GROUP_RID_USERS;

6 years

01/03: [SAMLIB] Add stubs for SamTestPrivateFunctionsDomain and SamTestPrivateFunctionsUser

by Eric Kohl

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=2fafcff3efa544e063e3a… commit 2fafcff3efa544e063e3a6bd488ad87098ec035b Author: Eric Kohl <eric.kohl(a)reactos.org> AuthorDate: Mon Aug 27 00:11:21 2018 +0200 Commit: Eric Kohl <eric.kohl(a)reactos.org> CommitDate: Mon Aug 27 00:11:21 2018 +0200 [SAMLIB] Add stubs for SamTestPrivateFunctionsDomain and SamTestPrivateFunctionsUser --- dll/win32/samlib/samlib.c | 22 ++++++++++++++++++++++ dll/win32/samlib/samlib.spec | 4 ++-- 2 files changed, 24 insertions(+), 2 deletions(-) diff --git a/dll/win32/samlib/samlib.c b/dll/win32/samlib/samlib.c index b4dacd9e42..5c9b1da228 100644 --- a/dll/win32/samlib/samlib.c +++ b/dll/win32/samlib/samlib.c @@ -2267,4 +2267,26 @@ SamShutdownSamServer(IN SAM_HANDLE ServerHandle) return Status; } + +NTSTATUS +NTAPI +SamTestPrivateFunctionsDomain( + _In_ SAM_HANDLE DomainHandle) +{ + TRACE("SamTestPrivateFunctionsDomain(%p)\n", + DomainHandle); + return STATUS_NOT_IMPLEMENTED; +} + + +NTSTATUS +NTAPI +SamTestPrivateFunctionsUser( + _In_ SAM_HANDLE UserHandle) +{ + TRACE("SamTestPrivateFunctionsUser(%p)\n", + UserHandle); + return STATUS_NOT_IMPLEMENTED; +} + /* EOF */ diff --git a/dll/win32/samlib/samlib.spec b/dll/win32/samlib/samlib.spec index 4a4c21b131..2e9dab7ee4 100644 --- a/dll/win32/samlib/samlib.spec +++ b/dll/win32/samlib/samlib.spec @@ -50,8 +50,8 @@ @ stdcall SamSetMemberAttributesOfGroup(ptr long long) @ stdcall SamSetSecurityObject(ptr long ptr) @ stdcall SamShutdownSamServer(ptr) -@ stub SamTestPrivateFunctionsDomain -@ stub SamTestPrivateFunctionsUser +@ stdcall SamTestPrivateFunctionsDomain(ptr) +@ stdcall SamTestPrivateFunctionsUser(ptr) @ stub SamiChangeKeys @ stub SamiChangePasswordUser2 @ stub SamiChangePasswordUser3

6 years

01/01: [NTOSKRNL] Properly reset pinning state on pinning failure

by Pierre Schweitzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=b8e4af606a1291330ebdd… commit b8e4af606a1291330ebddde58f167e60ac66299f Author: Pierre Schweitzer <pierre(a)reactos.org> AuthorDate: Sun Aug 26 22:56:25 2018 +0200 Commit: Pierre Schweitzer <pierre(a)reactos.org> CommitDate: Sun Aug 26 22:56:25 2018 +0200 [NTOSKRNL] Properly reset pinning state on pinning failure --- ntoskrnl/cc/pin.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/ntoskrnl/cc/pin.c b/ntoskrnl/cc/pin.c index 3a0ee6ed9d..65525eed83 100644 --- a/ntoskrnl/cc/pin.c +++ b/ntoskrnl/cc/pin.c @@ -191,6 +191,12 @@ CcPinMappedData ( Result = ExAcquireSharedStarveExclusive(&iBcb->Lock, BooleanFlagOn(Flags, PIN_WAIT)); } + if (!Result) + { + iBcb->Pinned = FALSE; + iBcb->Vacb->PinCount--; + } + return Result; }

6 years

01/01: [NTOSKRNL] When acquiring BCB shared, starve exclusive waiters

by Pierre Schweitzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=54f89baad4f537c4d326c… commit 54f89baad4f537c4d326c81fe81b49b6505f9a1d Author: Pierre Schweitzer <pierre(a)reactos.org> AuthorDate: Sun Aug 26 22:47:48 2018 +0200 Commit: Pierre Schweitzer <pierre(a)reactos.org> CommitDate: Sun Aug 26 22:47:48 2018 +0200 [NTOSKRNL] When acquiring BCB shared, starve exclusive waiters --- ntoskrnl/cc/pin.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ntoskrnl/cc/pin.c b/ntoskrnl/cc/pin.c index 0eaf502305..3a0ee6ed9d 100644 --- a/ntoskrnl/cc/pin.c +++ b/ntoskrnl/cc/pin.c @@ -188,7 +188,7 @@ CcPinMappedData ( } else { - Result = ExAcquireResourceSharedLite(&iBcb->Lock, BooleanFlagOn(Flags, PIN_WAIT)); + Result = ExAcquireSharedStarveExclusive(&iBcb->Lock, BooleanFlagOn(Flags, PIN_WAIT)); } return Result;

6 years

02/02: [NTOSKRNL] Handle the PIN_WAIT flag in CcPinMappedData()

by Pierre Schweitzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=c1dd4c142f21d3584e2da… commit c1dd4c142f21d3584e2dab979a141f3dac83f073 Author: Pierre Schweitzer <pierre(a)reactos.org> AuthorDate: Sun Aug 26 22:04:46 2018 +0200 Commit: Pierre Schweitzer <pierre(a)reactos.org> CommitDate: Sun Aug 26 22:05:11 2018 +0200 [NTOSKRNL] Handle the PIN_WAIT flag in CcPinMappedData() --- ntoskrnl/cc/pin.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/ntoskrnl/cc/pin.c b/ntoskrnl/cc/pin.c index 8b99b8c210..0eaf502305 100644 --- a/ntoskrnl/cc/pin.c +++ b/ntoskrnl/cc/pin.c @@ -161,6 +161,7 @@ CcPinMappedData ( IN ULONG Flags, OUT PVOID * Bcb) { + BOOLEAN Result; PINTERNAL_BCB iBcb; PROS_SHARED_CACHE_MAP SharedCacheMap; @@ -181,16 +182,16 @@ CcPinMappedData ( iBcb->Pinned = TRUE; iBcb->Vacb->PinCount++; - if (Flags & PIN_EXCLUSIVE) + if (BooleanFlagOn(Flags, PIN_EXCLUSIVE)) { - ExAcquireResourceExclusiveLite(&iBcb->Lock, TRUE); + Result = ExAcquireResourceExclusiveLite(&iBcb->Lock, BooleanFlagOn(Flags, PIN_WAIT)); } else { - ExAcquireResourceSharedLite(&iBcb->Lock, TRUE); + Result = ExAcquireResourceSharedLite(&iBcb->Lock, BooleanFlagOn(Flags, PIN_WAIT)); } - return TRUE; + return Result; } /*

6 years

01/02: [NTOSKRNL] Stubplement CcPinMappedData() and simplify CcPinRead()

by Pierre Schweitzer

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=469e15c7ae5d2b7dc266f… commit 469e15c7ae5d2b7dc266fdde7beb173d8263d563 Author: Pierre Schweitzer <pierre(a)reactos.org> AuthorDate: Sun Aug 26 21:49:05 2018 +0200 Commit: Pierre Schweitzer <pierre(a)reactos.org> CommitDate: Sun Aug 26 22:05:11 2018 +0200 [NTOSKRNL] Stubplement CcPinMappedData() and simplify CcPinRead() It's based on the code that was in CcPinRead() implementation. This made no sense to have CcPinMappedData() doing nothing while implementing everything in CcPinRead(). Indeed, drivers (starting with MS drivers) can map data first and pin it afterwards with CcPinMappedData(). It was leading to incorrect behavior with our previous noop implementation. --- ntoskrnl/cc/pin.c | 53 +++++++++++++++++++++++++++-------------------------- 1 file changed, 27 insertions(+), 26 deletions(-) diff --git a/ntoskrnl/cc/pin.c b/ntoskrnl/cc/pin.c index 2d48a27a0a..8b99b8c210 100644 --- a/ntoskrnl/cc/pin.c +++ b/ntoskrnl/cc/pin.c @@ -161,6 +161,7 @@ CcPinMappedData ( IN ULONG Flags, OUT PVOID * Bcb) { + PINTERNAL_BCB iBcb; PROS_SHARED_CACHE_MAP SharedCacheMap; CCTRACE(CC_API_DEBUG, "FileOffset=%p FileOffset=%p Length=%lu Flags=0x%lx\n", @@ -174,7 +175,21 @@ CcPinMappedData ( ASSERT(SharedCacheMap); ASSERT(SharedCacheMap->PinAccess); - /* no-op for current implementation. */ + iBcb = *Bcb; + ASSERT(iBcb->Pinned == FALSE); + + iBcb->Pinned = TRUE; + iBcb->Vacb->PinCount++; + + if (Flags & PIN_EXCLUSIVE) + { + ExAcquireResourceExclusiveLite(&iBcb->Lock, TRUE); + } + else + { + ExAcquireResourceSharedLite(&iBcb->Lock, TRUE); + } + return TRUE; } @@ -191,8 +206,6 @@ CcPinRead ( OUT PVOID * Bcb, OUT PVOID * Buffer) { - PINTERNAL_BCB iBcb; - CCTRACE(CC_API_DEBUG, "FileOffset=%p FileOffset=%p Length=%lu Flags=0x%lx\n", FileObject, FileOffset, Length, Flags); @@ -205,32 +218,20 @@ CcPinRead ( ++CcPinReadNoWait; } - if (CcMapData(FileObject, FileOffset, Length, Flags, Bcb, Buffer)) + /* Map first */ + if (!CcMapData(FileObject, FileOffset, Length, Flags, Bcb, Buffer)) { - if (CcPinMappedData(FileObject, FileOffset, Length, Flags, Bcb)) - { - iBcb = *Bcb; - - ASSERT(iBcb->Pinned == FALSE); - - iBcb->Pinned = TRUE; - iBcb->Vacb->PinCount++; - - if (Flags & PIN_EXCLUSIVE) - { - ExAcquireResourceExclusiveLite(&iBcb->Lock, TRUE); - } - else - { - ExAcquireResourceSharedLite(&iBcb->Lock, TRUE); - } + return FALSE; + } - return TRUE; - } - else - CcUnpinData(*Bcb); + /* Pin then */ + if (!CcPinMappedData(FileObject, FileOffset, Length, Flags, Bcb)) + { + CcUnpinData(*Bcb); + return FALSE; } - return FALSE; + + return TRUE; } /*

6 years

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Ros-diffs August 2018