Alexandre Julliard : ntdll: Make the page_size variable global.
Module: wine Branch: master Commit: 90e90e3b6a3087c48bdd559de3686dfb1e03ab96 URL: http://source.winehq.org/git/wine.git/?a=commit;h=90e90e3b6a3087c48bdd559de3... Author: Alexandre Julliard <julliard(a)winehq.org> Date: Tue Jan 8 14:00:06 2013 +0100 ntdll: Make the page_size variable global. --- dlls/ntdll/cdrom.c | 6 +++--- dlls/ntdll/directory.c | 1 - dlls/ntdll/file.c | 2 -- dlls/ntdll/heap.c | 3 ++- dlls/ntdll/loader.c | 2 +- dlls/ntdll/ntdll_misc.h | 6 ++++++ dlls/ntdll/signal_arm.c | 2 +- dlls/ntdll/signal_powerpc.c | 2 +- dlls/ntdll/signal_sparc.c | 2 +- dlls/ntdll/virtual.c | 17 +++++++---------- 10 files changed, 22 insertions(+), 21 deletions(-) diff --git a/dlls/ntdll/cdrom.c b/dlls/ntdll/cdrom.c index 5ce3f7d..18c7874 100644 --- a/dlls/ntdll/cdrom.c +++ b/dlls/ntdll/cdrom.c @@ -1980,9 +1980,9 @@ static NTSTATUS CDROM_ScsiGetCaps(int fd, PIO_SCSI_CAPABILITIES caps) #ifdef SG_SCATTER_SZ caps->Length = sizeof(*caps); caps->MaximumTransferLength = SG_SCATTER_SZ; /* FIXME */ - caps->MaximumPhysicalPages = SG_SCATTER_SZ / getpagesize(); + caps->MaximumPhysicalPages = SG_SCATTER_SZ / page_size; caps->SupportedAsynchronousEvents = TRUE; - caps->AlignmentMask = getpagesize(); + caps->AlignmentMask = page_size; caps->TaggedQueuing = FALSE; /* we could check that it works and answer TRUE */ caps->AdapterScansDown = FALSE; /* FIXME ? */ caps->AdapterUsesPio = FALSE; /* FIXME ? */ @@ -1997,7 +1997,7 @@ static NTSTATUS CDROM_ScsiGetCaps(int fd, PIO_SCSI_CAPABILITIES caps) if (io != 0) return CDROM_GetStatusCode(io); caps->Length = sizeof(*caps); caps->MaximumTransferLength = bytesr < bytesw ? bytesr : bytesw; - caps->MaximumPhysicalPages = caps->MaximumTransferLength / getpagesize(); + caps->MaximumPhysicalPages = caps->MaximumTransferLength / page_size; caps->SupportedAsynchronousEvents = TRUE; caps->AlignmentMask = align-1; caps->TaggedQueuing = FALSE; /* we could check that it works and answer TRUE */ diff --git a/dlls/ntdll/directory.c b/dlls/ntdll/directory.c index cd2ee90..cc075b7 100644 --- a/dlls/ntdll/directory.c +++ b/dlls/ntdll/directory.c @@ -1384,7 +1384,6 @@ static KERNEL_DIRENT *start_vfat_ioctl( int fd ) if (!de) { - const size_t page_size = getpagesize(); SIZE_T size = 2 * sizeof(*de) + page_size; void *addr = NULL; diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c index 1b292d4..791570e 100644 --- a/dlls/ntdll/file.c +++ b/dlls/ntdll/file.c @@ -765,7 +765,6 @@ NTSTATUS WINAPI NtReadFileScatter( HANDLE file, HANDLE event, PIO_APC_ROUTINE ap PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments, ULONG length, PLARGE_INTEGER offset, PULONG key ) { - size_t page_size = getpagesize(); int result, unix_handle, needs_close; unsigned int options; NTSTATUS status; @@ -1097,7 +1096,6 @@ NTSTATUS WINAPI NtWriteFileGather( HANDLE file, HANDLE event, PIO_APC_ROUTINE ap PIO_STATUS_BLOCK io_status, FILE_SEGMENT_ELEMENT *segments, ULONG length, PLARGE_INTEGER offset, PULONG key ) { - size_t page_size = getpagesize(); int result, unix_handle, needs_close; unsigned int options; NTSTATUS status; diff --git a/dlls/ntdll/heap.c b/dlls/ntdll/heap.c index a9044714..ac78889 100644 --- a/dlls/ntdll/heap.c +++ b/dlls/ntdll/heap.c @@ -40,6 +40,7 @@ #include "windef.h" #include "winnt.h" #include "winternl.h" +#include "ntdll_misc.h" #include "wine/list.h" #include "wine/debug.h" #include "wine/server.h" @@ -806,7 +807,7 @@ static BOOL validate_large_arena( HEAP *heap, const ARENA_LARGE *arena, BOOL qui { DWORD flags = heap->flags; - if ((ULONG_PTR)arena % getpagesize()) + if ((ULONG_PTR)arena % page_size) { if (quiet == NOISY) { diff --git a/dlls/ntdll/loader.c b/dlls/ntdll/loader.c index d00397c..fd63e08 100644 --- a/dlls/ntdll/loader.c +++ b/dlls/ntdll/loader.c @@ -773,7 +773,7 @@ static BOOL is_dll_native_subsystem( HMODULE module, const IMAGE_NT_HEADERS *nt, WCHAR buffer[16]; if (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_NATIVE) return FALSE; - if (nt->OptionalHeader.SectionAlignment < getpagesize()) return TRUE; + if (nt->OptionalHeader.SectionAlignment < page_size) return TRUE; if ((imports = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_IMPORT, &size ))) diff --git a/dlls/ntdll/ntdll_misc.h b/dlls/ntdll/ntdll_misc.h index 20f1c45..e56d4b4 100644 --- a/dlls/ntdll/ntdll_misc.h +++ b/dlls/ntdll/ntdll_misc.h @@ -33,6 +33,12 @@ #define MAX_DOS_DRIVES 26 +#if defined(__i386__) || defined(__x86_64__) +static const UINT_PTR page_size = 0x1000; +#else +extern UINT_PTR page_size DECLSPEC_HIDDEN; +#endif + struct drive_info { dev_t dev; diff --git a/dlls/ntdll/signal_arm.c b/dlls/ntdll/signal_arm.c index 93a2ff5..5ad4016 100644 --- a/dlls/ntdll/signal_arm.c +++ b/dlls/ntdll/signal_arm.c @@ -798,7 +798,7 @@ NTSTATUS signal_alloc_thread( TEB **teb ) if (!sigstack_zero_bits) { - size_t min_size = getpagesize(); /* this is just for the TEB, we don't use a signal stack yet */ + size_t min_size = page_size; /* find the first power of two not smaller than min_size */ while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++; assert( sizeof(TEB) <= min_size ); diff --git a/dlls/ntdll/signal_powerpc.c b/dlls/ntdll/signal_powerpc.c index f6de65f..3d461ee 100644 --- a/dlls/ntdll/signal_powerpc.c +++ b/dlls/ntdll/signal_powerpc.c @@ -963,7 +963,7 @@ NTSTATUS signal_alloc_thread( TEB **teb ) if (!sigstack_zero_bits) { - size_t min_size = getpagesize(); /* this is just for the TEB, we don't use a signal stack yet */ + size_t min_size = page_size; /* this is just for the TEB, we don't use a signal stack yet */ /* find the first power of two not smaller than min_size */ while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++; assert( sizeof(TEB) <= min_size ); diff --git a/dlls/ntdll/signal_sparc.c b/dlls/ntdll/signal_sparc.c index 798397d..13fa8f2 100644 --- a/dlls/ntdll/signal_sparc.c +++ b/dlls/ntdll/signal_sparc.c @@ -725,7 +725,7 @@ NTSTATUS signal_alloc_thread( TEB **teb ) if (!sigstack_zero_bits) { - size_t min_size = getpagesize(); /* this is just for the TEB, we don't use a signal stack yet */ + size_t min_size = page_size; /* find the first power of two not smaller than min_size */ while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++; assert( sizeof(TEB) <= min_size ); diff --git a/dlls/ntdll/virtual.c b/dlls/ntdll/virtual.c index 88bcdbb..4f8b3c9 100644 --- a/dlls/ntdll/virtual.c +++ b/dlls/ntdll/virtual.c @@ -112,26 +112,23 @@ static RTL_CRITICAL_SECTION_DEBUG critsect_debug = static RTL_CRITICAL_SECTION csVirtual = { &critsect_debug, -1, 0, 0, 0, 0 }; #ifdef __i386__ -/* These are always the same on an i386, and it will be faster this way */ -# define page_mask 0xfff -# define page_shift 12 -# define page_size 0x1000 +static const UINT page_shift = 12; +static const UINT_PTR page_mask = 0xfff; /* Note: these are Windows limits, you cannot change them. */ static void *address_space_limit = (void *)0xc0000000; /* top of the total available address space */ static void *user_space_limit = (void *)0x7fff0000; /* top of the user address space */ static void *working_set_limit = (void *)0x7fff0000; /* top of the current working set */ static void *address_space_start = (void *)0x110000; /* keep DOS area clear */ #elif defined(__x86_64__) -# define page_mask 0xfff -# define page_shift 12 -# define page_size 0x1000 +static const UINT page_shift = 12; +static const UINT_PTR page_mask = 0xfff; static void *address_space_limit = (void *)0x7fffffff0000; static void *user_space_limit = (void *)0x7fffffff0000; static void *working_set_limit = (void *)0x7fffffff0000; static void *address_space_start = (void *)0x10000; #else +UINT_PTR page_size = 0; static UINT page_shift; -static UINT_PTR page_size; static UINT_PTR page_mask; static void *address_space_limit; static void *user_space_limit; @@ -1416,8 +1413,8 @@ void virtual_init(void) size_t size; struct file_view *heap_view; -#ifndef page_mask - page_size = getpagesize(); +#if !defined(__i386__) && !defined(__x86_64__) + page_size = sysconf( _SC_PAGESIZE ); page_mask = page_size - 1; /* Make sure we have a power of 2 */ assert( !(page_size & page_mask) );
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Alexandre Julliard