newlib/winsup/cygwin/kernel32.cc

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* Makefile.in (DLL_OFILES): Add kernel32.o. * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
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/* kernel32.cc: Win32 replacement functions.
Copyright 2008, 2010, 2011, 2012 Red Hat, Inc.
* Makefile.in (DLL_OFILES): Add kernel32.o. * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
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This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include "shared_info.h"
#include "ntdll.h"
/* Implement CreateEvent/OpenEvent so that named objects are always created in
Cygwin shared object namespace. */
HANDLE WINAPI
CreateEventW (LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManualReset,
BOOL bInitialState, LPCWSTR lpName)
{
HANDLE evt;
UNICODE_STRING uname;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG flags = 0;
if (lpEventAttributes && lpEventAttributes->bInheritHandle)
flags |= OBJ_INHERIT;
if (lpName)
{
RtlInitUnicodeString (&uname, lpName);
flags |= OBJ_OPENIF | OBJ_CASE_INSENSITIVE;
}
InitializeObjectAttributes (&attr, lpName ? &uname : NULL, flags,
lpName ? get_shared_parent_dir () : NULL,
lpEventAttributes
? lpEventAttributes->lpSecurityDescriptor : NULL);
status = NtCreateEvent (&evt, EVENT_ALL_ACCESS, &attr,
* Makefile.in (DLL_OFILES): Add kernel32.o. * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
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bManualReset ? NotificationEvent
: SynchronizationEvent,
bInitialState);
if (!NT_SUCCESS (status))
{
SetLastError (RtlNtStatusToDosError (status));
return NULL;
}
SetLastError (status == STATUS_OBJECT_NAME_EXISTS
? ERROR_ALREADY_EXISTS : ERROR_SUCCESS);
return evt;
}
HANDLE WINAPI
CreateEventA (LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManualReset,
BOOL bInitialState, LPCSTR lpName)
{
WCHAR name[MAX_PATH];
if (lpName && !sys_mbstowcs (name, MAX_PATH, lpName))
{
SetLastError (ERROR_FILENAME_EXCED_RANGE);
return NULL;
}
return CreateEventW (lpEventAttributes, bManualReset, bInitialState,
lpName ? name : NULL);
}
HANDLE WINAPI
OpenEventW (DWORD dwDesiredAccess, BOOL bInheritHandle, LPCWSTR lpName)
{
HANDLE evt;
UNICODE_STRING uname;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG flags = 0;
* Makefile.in (DLL_OFILES): Add kernel32.o. * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
2008-04-21 14:46:58 +02:00
if (bInheritHandle)
flags |= OBJ_INHERIT;
if (lpName)
{
RtlInitUnicodeString (&uname, lpName);
flags |= OBJ_CASE_INSENSITIVE;
}
InitializeObjectAttributes (&attr, lpName ? &uname : NULL, flags,
lpName ? get_shared_parent_dir () : NULL,
NULL);
status = NtOpenEvent (&evt, dwDesiredAccess, &attr);
if (!NT_SUCCESS (status))
{
SetLastError (RtlNtStatusToDosError (status));
return NULL;
}
return evt;
}
HANDLE WINAPI
OpenEventA (DWORD dwDesiredAccess, BOOL bInheritHandle, LPCSTR lpName)
{
WCHAR name[MAX_PATH];
if (lpName && !sys_mbstowcs (name, MAX_PATH, lpName))
{
SetLastError (ERROR_FILENAME_EXCED_RANGE);
return NULL;
}
return OpenEventW (dwDesiredAccess, bInheritHandle, lpName ? name : NULL);
}
/* Implement CreateMutex/OpenMutex so that named objects are always created in
Cygwin shared object namespace. */
HANDLE WINAPI
CreateMutexW (LPSECURITY_ATTRIBUTES lpMutexAttributes, BOOL bInitialOwner,
LPCWSTR lpName)
{
HANDLE mtx;
UNICODE_STRING uname;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG flags = 0;
if (lpMutexAttributes && lpMutexAttributes->bInheritHandle)
flags |= OBJ_INHERIT;
if (lpName)
{
RtlInitUnicodeString (&uname, lpName);
flags |= OBJ_OPENIF | OBJ_CASE_INSENSITIVE;
}
InitializeObjectAttributes (&attr, lpName ? &uname : NULL, flags,
lpName ? get_shared_parent_dir () : NULL,
lpMutexAttributes
? lpMutexAttributes->lpSecurityDescriptor : NULL);
status = NtCreateMutant (&mtx, MUTEX_ALL_ACCESS, &attr, bInitialOwner);
* Makefile.in (DLL_OFILES): Add kernel32.o. * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
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if (!NT_SUCCESS (status))
{
SetLastError (RtlNtStatusToDosError (status));
return NULL;
}
SetLastError (status == STATUS_OBJECT_NAME_EXISTS
? ERROR_ALREADY_EXISTS : ERROR_SUCCESS);
return mtx;
}
HANDLE WINAPI
CreateMutexA (LPSECURITY_ATTRIBUTES lpMutexAttributes, BOOL bInitialOwner,
LPCSTR lpName)
{
WCHAR name[MAX_PATH];
if (lpName && !sys_mbstowcs (name, MAX_PATH, lpName))
{
SetLastError (ERROR_FILENAME_EXCED_RANGE);
return NULL;
}
return CreateMutexW (lpMutexAttributes, bInitialOwner, lpName ? name : NULL);
}
HANDLE WINAPI
OpenMutexW (DWORD dwDesiredAccess, BOOL bInheritHandle, LPCWSTR lpName)
{
HANDLE mtx;
UNICODE_STRING uname;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG flags = 0;
if (bInheritHandle)
flags |= OBJ_INHERIT;
if (lpName)
{
RtlInitUnicodeString (&uname, lpName);
flags |= OBJ_CASE_INSENSITIVE;
}
InitializeObjectAttributes (&attr, lpName ? &uname : NULL, flags,
lpName ? get_shared_parent_dir () : NULL,
NULL);
status = NtOpenMutant (&mtx, dwDesiredAccess, &attr);
if (!NT_SUCCESS (status))
{
SetLastError (RtlNtStatusToDosError (status));
return NULL;
}
return mtx;
}
HANDLE WINAPI
OpenMutexA (DWORD dwDesiredAccess, BOOL bInheritHandle, LPCSTR lpName)
{
WCHAR name[MAX_PATH];
if (lpName && !sys_mbstowcs (name, MAX_PATH, lpName))
{
SetLastError (ERROR_FILENAME_EXCED_RANGE);
return NULL;
}
return OpenMutexW (dwDesiredAccess, bInheritHandle, lpName ? name : NULL);
}
/* Implement CreateSemaphore/OpenSemaphore so that named objects are always
created in Cygwin shared object namespace. */
HANDLE WINAPI
CreateSemaphoreW (LPSECURITY_ATTRIBUTES lpSemaphoreAttributes,
LONG lInitialCount, LONG lMaximumCount, LPCWSTR lpName)
{
HANDLE sem;
UNICODE_STRING uname;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG flags = 0;
if (lpSemaphoreAttributes && lpSemaphoreAttributes->bInheritHandle)
flags |= OBJ_INHERIT;
if (lpName)
{
RtlInitUnicodeString (&uname, lpName);
flags |= OBJ_OPENIF | OBJ_CASE_INSENSITIVE;
}
InitializeObjectAttributes (&attr, lpName ? &uname : NULL, flags,
lpName ? get_shared_parent_dir () : NULL,
lpSemaphoreAttributes
? lpSemaphoreAttributes->lpSecurityDescriptor
: NULL);
status = NtCreateSemaphore (&sem, SEMAPHORE_ALL_ACCESS, &attr,
* Makefile.in (DLL_OFILES): Add kernel32.o. * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
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lInitialCount, lMaximumCount);
if (!NT_SUCCESS (status))
{
SetLastError (RtlNtStatusToDosError (status));
return NULL;
}
SetLastError (status == STATUS_OBJECT_NAME_EXISTS
? ERROR_ALREADY_EXISTS : ERROR_SUCCESS);
return sem;
}
HANDLE WINAPI
CreateSemaphoreA (LPSECURITY_ATTRIBUTES lpSemaphoreAttributes,
LONG lInitialCount, LONG lMaximumCount, LPCSTR lpName)
{
WCHAR name[MAX_PATH];
if (lpName && !sys_mbstowcs (name, MAX_PATH, lpName))
{
SetLastError (ERROR_FILENAME_EXCED_RANGE);
return NULL;
}
return CreateSemaphoreW (lpSemaphoreAttributes, lInitialCount, lMaximumCount,
lpName ? name : NULL);
}
HANDLE WINAPI
OpenSemaphoreW (DWORD dwDesiredAccess, BOOL bInheritHandle, LPCWSTR lpName)
{
HANDLE sem;
UNICODE_STRING uname;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG flags = 0;
if (bInheritHandle)
flags |= OBJ_INHERIT;
if (lpName)
{
RtlInitUnicodeString (&uname, lpName);
flags |= OBJ_CASE_INSENSITIVE;
}
InitializeObjectAttributes (&attr, lpName ? &uname : NULL, flags,
lpName ? get_shared_parent_dir () : NULL,
NULL);
status = NtOpenSemaphore (&sem, dwDesiredAccess, &attr);
if (!NT_SUCCESS (status))
{
SetLastError (RtlNtStatusToDosError (status));
return NULL;
}
return sem;
}
HANDLE WINAPI
OpenSemaphoreA (DWORD dwDesiredAccess, BOOL bInheritHandle, LPCSTR lpName)
{
WCHAR name[MAX_PATH];
if (lpName && !sys_mbstowcs (name, MAX_PATH, lpName))
{
SetLastError (ERROR_FILENAME_EXCED_RANGE);
return NULL;
}
return OpenSemaphoreW (dwDesiredAccess, bInheritHandle, lpName ? name : NULL);
}
/* Implement CreateFileMapping/OpenFileMapping so that named objects are always
created in Cygwin shared object namespace. */
HANDLE WINAPI
CreateFileMappingW (HANDLE hFile, LPSECURITY_ATTRIBUTES lpAttributes,
DWORD flProtect, DWORD dwMaximumSizeHigh,
DWORD dwMaximumSizeLow, LPCWSTR lpName)
{
HANDLE sect;
UNICODE_STRING uname;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG flags = 0;
ACCESS_MASK access = READ_CONTROL | SECTION_QUERY | SECTION_MAP_READ;
ULONG prot = flProtect & (PAGE_NOACCESS | PAGE_READONLY | PAGE_READWRITE
| PAGE_WRITECOPY | PAGE_EXECUTE
| PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE
| PAGE_EXECUTE_WRITECOPY);
ULONG attribs = flProtect & (SEC_COMMIT | SEC_IMAGE | SEC_NOCACHE
| SEC_RESERVE);
* Makefile.in (DLL_OFILES): Add kernel32.o. * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
2008-04-21 14:46:58 +02:00
LARGE_INTEGER size = {{ LowPart : dwMaximumSizeLow,
HighPart : dwMaximumSizeHigh }};
PLARGE_INTEGER psize = size.QuadPart ? &size : NULL;
if (prot & (PAGE_READWRITE | PAGE_WRITECOPY
| PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY))
access |= SECTION_MAP_WRITE;
if (prot & (PAGE_EXECUTE | PAGE_EXECUTE_READ
| PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY))
access |= SECTION_MAP_EXECUTE;
if (lpAttributes && lpAttributes->bInheritHandle)
flags |= OBJ_INHERIT;
if (lpName)
{
RtlInitUnicodeString (&uname, lpName);
flags |= OBJ_OPENIF | OBJ_CASE_INSENSITIVE;
}
InitializeObjectAttributes (&attr, lpName ? &uname : NULL, flags,
lpName ? get_shared_parent_dir () : NULL,
lpAttributes
? lpAttributes->lpSecurityDescriptor
: NULL);
if (!(attribs & (SEC_RESERVE | SEC_COMMIT)))
attribs |= SEC_COMMIT;
* Makefile.in (DLL_OFILES): Add kernel32.o. * autoload.cc (WSACloseEvent): Remove. (WSACreateEvent): Remove. * cygheap.cc (cygheap_init): Drop initializing shared_prefix. * cygheap.h (struct init_cygheap): Drop shared_prefix and shared_prefix_buf members. * fhandler_socket.cc (sock_shared_name): New static function. (search_wsa_event_slot): Convert name buffers to WCHAR. Call NtCreateMutant/NtOpenMutant to create mutexes in session local namespace. (fhandler_socket::init_events): Ditto. Fix debug output. (fhandler_socket::release_events): Close mutexes using NtClose. (fhandler_socket::dup): Ditto. * kernel32.cc: New file, implementing Win32 calls in a Cygwin-specific way. * mmap.cc (MapView): Make static. * ntdll.h: Fix status code sorting. (STATUS_OBJECT_NAME_EXISTS): Define. (SEMAPHORE_QUERY_STATE): Define. (CYG_SHARED_DIR_ACCESS): Define. (CYG_MUTANT_ACCESS): Define. (CYG_EVENT_ACCESS): Define. (CYG_SEMAPHORE_ACCESS): Define. (enum _PROCESSINFOCLASS): Define ProcessSessionInformation. (struct _PROCESS_SESSION_INFORMATION): Define. (NtCreateSemaphore): Declare. (NtOpenSemaphore): Declare. * flock.cc: Use CYG_xxx_ACCESS access masks where appropriate. * posix_ipc.cc (ipc_mutex_init): Use native functions to create mutex. Create in cygwin-shared subdir. (ipc_cond_init): Ditto for event. (ipc_mutex_close): Use NtClose. (ipc_cond_close): Ditto. (mq_open): Drop "cyg" prefix from mqh_uname. * shared.cc (CYG_SHARED_DIR_ACCESS): Drop definition here. (_cygwin_testing): Declare extern on file level. (get_shared_parent_dir): Change name of shared directory. Add name to api_fatal output. (get_session_parent_dir): New function. (shared_name): Simplify. (shared_info::initialize): Call get_session_parent_dir. * shared_info.h (get_session_parent_dir): Declare. * smallprint.cc (__small_vswprintf): Fix bug in multibyte string conversion. * thread.cc (semaphore::semaphore): Align semaphore name to object names in posix IPC functions. * include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
2008-04-21 14:46:58 +02:00
if (hFile == INVALID_HANDLE_VALUE)
hFile = NULL;
status = NtCreateSection (&sect, access, &attr, psize, prot, attribs, hFile);
if (!NT_SUCCESS (status))
{
SetLastError (RtlNtStatusToDosError (status));
return NULL;
}
SetLastError (status == STATUS_OBJECT_NAME_EXISTS
? ERROR_ALREADY_EXISTS : ERROR_SUCCESS);
return sect;
}
HANDLE WINAPI
CreateFileMappingA (HANDLE hFile, LPSECURITY_ATTRIBUTES lpAttributes,
DWORD flProtect, DWORD dwMaximumSizeHigh,
DWORD dwMaximumSizeLow, LPCSTR lpName)
{
WCHAR name[MAX_PATH];
if (lpName && !sys_mbstowcs (name, MAX_PATH, lpName))
{
SetLastError (ERROR_FILENAME_EXCED_RANGE);
return NULL;
}
return CreateFileMappingW (hFile, lpAttributes, flProtect, dwMaximumSizeHigh,
dwMaximumSizeLow, lpName ? name : NULL);
}
HANDLE WINAPI
OpenFileMappingW (DWORD dwDesiredAccess, BOOL bInheritHandle, LPCWSTR lpName)
{
HANDLE sect;
UNICODE_STRING uname;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG flags = 0;
if (bInheritHandle)
flags |= OBJ_INHERIT;
if (lpName)
{
RtlInitUnicodeString (&uname, lpName);
flags |= OBJ_CASE_INSENSITIVE;
}
InitializeObjectAttributes (&attr, lpName ? &uname : NULL, flags,
lpName ? get_shared_parent_dir () : NULL,
NULL);
status = NtOpenSection (&sect, dwDesiredAccess, &attr);
if (!NT_SUCCESS (status))
{
SetLastError (RtlNtStatusToDosError (status));
return NULL;
}
return sect;
}
HANDLE WINAPI
OpenFileMappingA (DWORD dwDesiredAccess, BOOL bInheritHandle, LPCSTR lpName)
{
WCHAR name[MAX_PATH];
if (lpName && !sys_mbstowcs (name, MAX_PATH, lpName))
{
SetLastError (ERROR_FILENAME_EXCED_RANGE);
return NULL;
}
return OpenFileMappingW (dwDesiredAccess, bInheritHandle, lpName ? name : NULL);
}