1281 lines
42 KiB
C
1281 lines
42 KiB
C
/*
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* NT threads support
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*
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* Copyright 1996, 2003 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <stdarg.h>
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#include <limits.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#ifdef HAVE_SYS_TIMES_H
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#include <sys/times.h>
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#endif
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#ifdef HAVE_SYS_SYSCALL_H
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#include <sys/syscall.h>
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#endif
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#define NONAMELESSUNION
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "winternl.h"
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#include "wine/library.h"
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#include "wine/server.h"
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#include "wine/debug.h"
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#include "ntdll_misc.h"
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#include "ddk/wdm.h"
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#include "wine/exception.h"
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WINE_DEFAULT_DEBUG_CHANNEL(thread);
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#ifndef PTHREAD_STACK_MIN
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#define PTHREAD_STACK_MIN 16384
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#endif
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struct _KUSER_SHARED_DATA *user_shared_data = NULL;
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static const WCHAR default_windirW[] = {'C',':','\\','w','i','n','d','o','w','s',0};
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void (WINAPI *kernel32_start_process)(LPTHREAD_START_ROUTINE,void*) = NULL;
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/* info passed to a starting thread */
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struct startup_info
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{
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TEB *teb;
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PRTL_THREAD_START_ROUTINE entry_point;
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void *entry_arg;
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};
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static PEB *peb;
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static PEB_LDR_DATA ldr;
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static RTL_BITMAP tls_bitmap;
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static RTL_BITMAP tls_expansion_bitmap;
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static RTL_BITMAP fls_bitmap;
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static int nb_threads = 1;
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static RTL_CRITICAL_SECTION peb_lock;
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static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &peb_lock,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") }
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};
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static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 };
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#ifdef __linux__
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#ifdef HAVE_ELF_H
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# include <elf.h>
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#endif
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#ifdef HAVE_LINK_H
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# include <link.h>
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#endif
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#ifdef HAVE_SYS_AUXV_H
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# include <sys/auxv.h>
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#endif
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#ifndef HAVE_GETAUXVAL
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static unsigned long getauxval( unsigned long id )
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{
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extern char **__wine_main_environ;
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char **ptr = __wine_main_environ;
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ElfW(auxv_t) *auxv;
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while (*ptr) ptr++;
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while (!*ptr) ptr++;
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for (auxv = (ElfW(auxv_t) *)ptr; auxv->a_type; auxv++)
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if (auxv->a_type == id) return auxv->a_un.a_val;
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return 0;
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}
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#endif
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static ULONG_PTR get_image_addr(void)
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{
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ULONG_PTR size, num, phdr_addr = getauxval( AT_PHDR );
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ElfW(Phdr) *phdr;
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if (!phdr_addr) return 0;
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phdr = (ElfW(Phdr) *)phdr_addr;
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size = getauxval( AT_PHENT );
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num = getauxval( AT_PHNUM );
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while (num--)
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{
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if (phdr->p_type == PT_PHDR) return phdr_addr - phdr->p_offset;
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phdr = (ElfW(Phdr) *)((char *)phdr + size);
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}
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return 0;
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}
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#elif defined(__APPLE__)
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#include <mach/mach.h>
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#include <mach/mach_error.h>
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static ULONG_PTR get_image_addr(void)
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{
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ULONG_PTR ret = 0;
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#ifdef TASK_DYLD_INFO
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struct task_dyld_info dyld_info;
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mach_msg_type_number_t size = TASK_DYLD_INFO_COUNT;
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if (task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&dyld_info, &size) == KERN_SUCCESS)
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ret = dyld_info.all_image_info_addr;
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#endif
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return ret;
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}
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#else
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static ULONG_PTR get_image_addr(void)
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{
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return 0;
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}
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#endif
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/***********************************************************************
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* thread_init
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*
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* Setup the initial thread.
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*
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* NOTES: The first allocated TEB on NT is at 0x7ffde000.
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*/
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void thread_init(void)
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{
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TEB *teb;
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void *addr;
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BOOL suspend;
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SIZE_T size, info_size;
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LARGE_INTEGER now;
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NTSTATUS status;
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struct ntdll_thread_data *thread_data;
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virtual_init();
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/* reserve space for shared user data */
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addr = (void *)0x7ffe0000;
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size = 0x10000;
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status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
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MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
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if (status)
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{
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MESSAGE( "wine: failed to map the shared user data: %08x\n", status );
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exit(1);
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}
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user_shared_data = addr;
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memcpy( user_shared_data->NtSystemRoot, default_windirW, sizeof(default_windirW) );
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/* allocate and initialize the PEB */
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addr = NULL;
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size = sizeof(*peb);
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virtual_alloc_aligned( &addr, 0, &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE, 1 );
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peb = addr;
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peb->FastPebLock = &peb_lock;
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peb->TlsBitmap = &tls_bitmap;
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peb->TlsExpansionBitmap = &tls_expansion_bitmap;
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peb->FlsBitmap = &fls_bitmap;
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peb->LdrData = &ldr;
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peb->OSMajorVersion = 5;
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peb->OSMinorVersion = 1;
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peb->OSBuildNumber = 0xA28;
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peb->OSPlatformId = VER_PLATFORM_WIN32_NT;
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ldr.Length = sizeof(ldr);
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ldr.Initialized = TRUE;
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RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
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RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
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sizeof(peb->TlsExpansionBitmapBits) * 8 );
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RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
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RtlSetBits( peb->TlsBitmap, 0, 1 ); /* TLS index 0 is reserved and should be initialized to NULL. */
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RtlSetBits( peb->FlsBitmap, 0, 1 );
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InitializeListHead( &peb->FlsListHead );
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InitializeListHead( &ldr.InLoadOrderModuleList );
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InitializeListHead( &ldr.InMemoryOrderModuleList );
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InitializeListHead( &ldr.InInitializationOrderModuleList );
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*(ULONG_PTR *)peb->Reserved = get_image_addr();
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/*
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* Starting with Vista, the first user to log on has session id 1.
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* Session id 0 is for processes that don't interact with the user (like services).
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*/
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peb->SessionId = 1;
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/* allocate and initialize the initial TEB */
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signal_alloc_thread( &teb );
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teb->Peb = peb;
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teb->Tib.StackBase = (void *)~0UL;
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teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
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teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
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thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
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thread_data->request_fd = -1;
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thread_data->reply_fd = -1;
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thread_data->wait_fd[0] = -1;
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thread_data->wait_fd[1] = -1;
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signal_init_thread( teb );
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virtual_init_threading();
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debug_init();
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/* setup the server connection */
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server_init_process();
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info_size = server_init_thread( peb, &suspend );
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/* create the process heap */
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if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
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{
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MESSAGE( "wine: failed to create the process heap\n" );
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exit(1);
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}
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init_directories();
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init_user_process_params( info_size );
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/* initialize time values in user_shared_data */
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NtQuerySystemTime( &now );
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user_shared_data->SystemTime.LowPart = now.u.LowPart;
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user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
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user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
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user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
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user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
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user_shared_data->TickCountMultiplier = 1 << 24;
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fill_cpu_info();
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NtCreateKeyedEvent( &keyed_event, GENERIC_READ | GENERIC_WRITE, NULL, 0 );
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}
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/***********************************************************************
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* free_thread_data
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*/
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static void free_thread_data( TEB *teb )
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{
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struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
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SIZE_T size;
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if (teb->DeallocationStack)
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{
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size = 0;
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NtFreeVirtualMemory( GetCurrentProcess(), &teb->DeallocationStack, &size, MEM_RELEASE );
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}
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if (thread_data->start_stack)
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{
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size = 0;
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NtFreeVirtualMemory( GetCurrentProcess(), &thread_data->start_stack, &size, MEM_RELEASE );
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}
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signal_free_thread( teb );
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}
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/***********************************************************************
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* abort_thread
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*/
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void abort_thread( int status )
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{
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pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
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if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( get_unix_exit_code( status ));
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signal_exit_thread( status );
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}
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/***********************************************************************
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* exit_thread
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*/
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void exit_thread( int status )
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{
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close( ntdll_get_thread_data()->wait_fd[0] );
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close( ntdll_get_thread_data()->wait_fd[1] );
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close( ntdll_get_thread_data()->reply_fd );
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close( ntdll_get_thread_data()->request_fd );
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pthread_exit( UIntToPtr(status) );
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}
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/***********************************************************************
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* RtlExitUserThread (NTDLL.@)
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*/
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void WINAPI RtlExitUserThread( ULONG status )
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{
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static void *prev_teb;
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TEB *teb;
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if (status) /* send the exit code to the server (0 is already the default) */
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{
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SERVER_START_REQ( terminate_thread )
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{
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req->handle = wine_server_obj_handle( GetCurrentThread() );
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req->exit_code = status;
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wine_server_call( req );
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}
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SERVER_END_REQ;
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}
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if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
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{
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LdrShutdownProcess();
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pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
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signal_exit_process( get_unix_exit_code( status ));
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}
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LdrShutdownThread();
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RtlFreeThreadActivationContextStack();
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pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
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if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
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{
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struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
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if (thread_data->pthread_id)
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{
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pthread_join( thread_data->pthread_id, NULL );
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free_thread_data( teb );
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}
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}
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signal_exit_thread( status );
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}
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/***********************************************************************
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* start_thread
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*
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* Startup routine for a newly created thread.
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*/
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static void start_thread( struct startup_info *info )
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{
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BOOL suspend;
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TEB *teb = info->teb;
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struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
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struct debug_info debug_info;
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debug_info.str_pos = debug_info.out_pos = 0;
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thread_data->debug_info = &debug_info;
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thread_data->pthread_id = pthread_self();
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signal_init_thread( teb );
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server_init_thread( info->entry_point, &suspend );
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signal_start_thread( (LPTHREAD_START_ROUTINE)info->entry_point, info->entry_arg, suspend );
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}
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/***********************************************************************
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* NtCreateThreadEx (NTDLL.@)
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*/
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NTSTATUS WINAPI NtCreateThreadEx( HANDLE *handle_ptr, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
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HANDLE process, LPTHREAD_START_ROUTINE start, void *param,
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ULONG flags, ULONG zero_bits, ULONG stack_commit,
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ULONG stack_reserve, void *attribute_list )
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{
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FIXME( "%p, %x, %p, %p, %p, %p, %x, %x, %x, %x, %p semi-stub!\n", handle_ptr, access, attr,
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process, start, param, flags, zero_bits, stack_commit, stack_reserve, attribute_list );
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return RtlCreateUserThread( process, NULL, flags & THREAD_CREATE_FLAGS_CREATE_SUSPENDED,
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NULL, stack_reserve, stack_commit, (PRTL_THREAD_START_ROUTINE)start,
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param, handle_ptr, NULL );
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}
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|
|
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/***********************************************************************
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* RtlCreateUserThread (NTDLL.@)
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*/
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NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, SECURITY_DESCRIPTOR *descr,
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BOOLEAN suspended, PVOID stack_addr,
|
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SIZE_T stack_reserve, SIZE_T stack_commit,
|
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PRTL_THREAD_START_ROUTINE start, void *param,
|
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HANDLE *handle_ptr, CLIENT_ID *id )
|
|
{
|
|
sigset_t sigset;
|
|
pthread_t pthread_id;
|
|
pthread_attr_t attr;
|
|
struct ntdll_thread_data *thread_data;
|
|
struct startup_info *info;
|
|
HANDLE handle = 0, actctx = 0;
|
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TEB *teb = NULL;
|
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DWORD tid = 0;
|
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int request_pipe[2];
|
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NTSTATUS status;
|
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SIZE_T extra_stack = PTHREAD_STACK_MIN;
|
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data_size_t len = 0;
|
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struct object_attributes *objattr = NULL;
|
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INITIAL_TEB stack;
|
|
|
|
if (process != NtCurrentProcess())
|
|
{
|
|
apc_call_t call;
|
|
apc_result_t result;
|
|
|
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memset( &call, 0, sizeof(call) );
|
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|
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call.create_thread.type = APC_CREATE_THREAD;
|
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call.create_thread.func = wine_server_client_ptr( start );
|
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call.create_thread.arg = wine_server_client_ptr( param );
|
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call.create_thread.reserve = stack_reserve;
|
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call.create_thread.commit = stack_commit;
|
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call.create_thread.suspend = suspended;
|
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status = server_queue_process_apc( process, &call, &result );
|
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if (status != STATUS_SUCCESS) return status;
|
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|
|
if (result.create_thread.status == STATUS_SUCCESS)
|
|
{
|
|
if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
|
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if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
|
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else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
|
|
}
|
|
return result.create_thread.status;
|
|
}
|
|
|
|
if (descr)
|
|
{
|
|
OBJECT_ATTRIBUTES thread_attr;
|
|
InitializeObjectAttributes( &thread_attr, NULL, 0, NULL, descr );
|
|
if ((status = alloc_object_attributes( &thread_attr, &objattr, &len ))) return status;
|
|
}
|
|
|
|
if (server_pipe( request_pipe ) == -1)
|
|
{
|
|
RtlFreeHeap( GetProcessHeap(), 0, objattr );
|
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return STATUS_TOO_MANY_OPENED_FILES;
|
|
}
|
|
wine_server_send_fd( request_pipe[0] );
|
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|
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SERVER_START_REQ( new_thread )
|
|
{
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|
req->process = wine_server_obj_handle( process );
|
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req->access = THREAD_ALL_ACCESS;
|
|
req->suspend = suspended;
|
|
req->request_fd = request_pipe[0];
|
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wine_server_add_data( req, objattr, len );
|
|
if (!(status = wine_server_call( req )))
|
|
{
|
|
handle = wine_server_ptr_handle( reply->handle );
|
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tid = reply->tid;
|
|
}
|
|
close( request_pipe[0] );
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
RtlFreeHeap( GetProcessHeap(), 0, objattr );
|
|
if (status)
|
|
{
|
|
close( request_pipe[1] );
|
|
return status;
|
|
}
|
|
|
|
pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
|
|
|
|
if ((status = signal_alloc_thread( &teb ))) goto error;
|
|
|
|
teb->Peb = NtCurrentTeb()->Peb;
|
|
teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
|
|
teb->ClientId.UniqueThread = ULongToHandle(tid);
|
|
teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
|
|
teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
|
|
|
|
/* create default activation context frame for new thread */
|
|
RtlGetActiveActivationContext(&actctx);
|
|
if (actctx)
|
|
{
|
|
RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;
|
|
|
|
frame = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*frame));
|
|
frame->Previous = NULL;
|
|
frame->ActivationContext = actctx;
|
|
frame->Flags = 0;
|
|
teb->ActivationContextStack.ActiveFrame = frame;
|
|
}
|
|
|
|
info = (struct startup_info *)(teb + 1);
|
|
info->teb = teb;
|
|
info->entry_point = start;
|
|
info->entry_arg = param;
|
|
|
|
if ((status = virtual_alloc_thread_stack( &stack, stack_reserve, stack_commit, &extra_stack )))
|
|
goto error;
|
|
|
|
teb->Tib.StackBase = stack.StackBase;
|
|
teb->Tib.StackLimit = stack.StackLimit;
|
|
teb->DeallocationStack = stack.DeallocationStack;
|
|
|
|
thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
|
|
thread_data->request_fd = request_pipe[1];
|
|
thread_data->reply_fd = -1;
|
|
thread_data->wait_fd[0] = -1;
|
|
thread_data->wait_fd[1] = -1;
|
|
thread_data->start_stack = (char *)teb->Tib.StackBase;
|
|
|
|
pthread_attr_init( &attr );
|
|
pthread_attr_setstack( &attr, teb->DeallocationStack,
|
|
(char *)teb->Tib.StackBase + extra_stack - (char *)teb->DeallocationStack );
|
|
pthread_attr_setguardsize( &attr, 0 );
|
|
pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
|
|
interlocked_xchg_add( &nb_threads, 1 );
|
|
if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
|
|
{
|
|
interlocked_xchg_add( &nb_threads, -1 );
|
|
pthread_attr_destroy( &attr );
|
|
status = STATUS_NO_MEMORY;
|
|
goto error;
|
|
}
|
|
pthread_attr_destroy( &attr );
|
|
pthread_sigmask( SIG_SETMASK, &sigset, NULL );
|
|
|
|
if (id) id->UniqueThread = ULongToHandle(tid);
|
|
if (handle_ptr) *handle_ptr = handle;
|
|
else NtClose( handle );
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
error:
|
|
if (teb) free_thread_data( teb );
|
|
if (handle) NtClose( handle );
|
|
pthread_sigmask( SIG_SETMASK, &sigset, NULL );
|
|
close( request_pipe[1] );
|
|
return status;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RtlGetNtGlobalFlags (NTDLL.@)
|
|
*/
|
|
ULONG WINAPI RtlGetNtGlobalFlags(void)
|
|
{
|
|
if (!peb) return 0; /* init not done yet */
|
|
return peb->NtGlobalFlag;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* NtOpenThread (NTDLL.@)
|
|
* ZwOpenThread (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
|
|
const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
|
|
{
|
|
NTSTATUS ret;
|
|
|
|
SERVER_START_REQ( open_thread )
|
|
{
|
|
req->tid = HandleToULong(id->UniqueThread);
|
|
req->access = access;
|
|
req->attributes = attr ? attr->Attributes : 0;
|
|
ret = wine_server_call( req );
|
|
*handle = wine_server_ptr_handle( reply->handle );
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* NtSuspendThread (NTDLL.@)
|
|
* ZwSuspendThread (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
|
|
{
|
|
NTSTATUS ret;
|
|
|
|
SERVER_START_REQ( suspend_thread )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
if (!(ret = wine_server_call( req )))
|
|
{
|
|
if (count) *count = reply->count;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* NtResumeThread (NTDLL.@)
|
|
* ZwResumeThread (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
|
|
{
|
|
NTSTATUS ret;
|
|
|
|
SERVER_START_REQ( resume_thread )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
if (!(ret = wine_server_call( req )))
|
|
{
|
|
if (count) *count = reply->count;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* NtAlertResumeThread (NTDLL.@)
|
|
* ZwAlertResumeThread (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
|
|
{
|
|
FIXME( "stub: should alert thread %p\n", handle );
|
|
return NtResumeThread( handle, count );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* NtAlertThread (NTDLL.@)
|
|
* ZwAlertThread (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtAlertThread( HANDLE handle )
|
|
{
|
|
FIXME( "stub: %p\n", handle );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* NtTerminateThread (NTDLL.@)
|
|
* ZwTerminateThread (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
|
|
{
|
|
NTSTATUS ret;
|
|
BOOL self;
|
|
|
|
SERVER_START_REQ( terminate_thread )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->exit_code = exit_code;
|
|
ret = wine_server_call( req );
|
|
self = !ret && reply->self;
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (self) abort_thread( exit_code );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* NtQueueApcThread (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
|
|
ULONG_PTR arg2, ULONG_PTR arg3 )
|
|
{
|
|
NTSTATUS ret;
|
|
SERVER_START_REQ( queue_apc )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
if (func)
|
|
{
|
|
req->call.type = APC_USER;
|
|
req->call.user.func = wine_server_client_ptr( func );
|
|
req->call.user.args[0] = arg1;
|
|
req->call.user.args[1] = arg2;
|
|
req->call.user.args[2] = arg3;
|
|
}
|
|
else req->call.type = APC_NONE; /* wake up only */
|
|
ret = wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RtlPushFrame (NTDLL.@)
|
|
*/
|
|
void WINAPI RtlPushFrame( TEB_ACTIVE_FRAME *frame )
|
|
{
|
|
frame->Previous = NtCurrentTeb()->ActiveFrame;
|
|
NtCurrentTeb()->ActiveFrame = frame;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RtlPopFrame (NTDLL.@)
|
|
*/
|
|
void WINAPI RtlPopFrame( TEB_ACTIVE_FRAME *frame )
|
|
{
|
|
NtCurrentTeb()->ActiveFrame = frame->Previous;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* RtlGetFrame (NTDLL.@)
|
|
*/
|
|
TEB_ACTIVE_FRAME * WINAPI RtlGetFrame(void)
|
|
{
|
|
return NtCurrentTeb()->ActiveFrame;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* set_thread_context
|
|
*/
|
|
NTSTATUS set_thread_context( HANDLE handle, const context_t *context, BOOL *self )
|
|
{
|
|
NTSTATUS ret;
|
|
DWORD dummy, i;
|
|
|
|
SERVER_START_REQ( set_thread_context )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->suspend = 1;
|
|
wine_server_add_data( req, context, sizeof(*context) );
|
|
ret = wine_server_call( req );
|
|
*self = reply->self;
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (ret == STATUS_PENDING)
|
|
{
|
|
for (i = 0; i < 100; i++)
|
|
{
|
|
SERVER_START_REQ( set_thread_context )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->suspend = 0;
|
|
wine_server_add_data( req, context, sizeof(*context) );
|
|
ret = wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
if (ret == STATUS_PENDING)
|
|
{
|
|
LARGE_INTEGER timeout;
|
|
timeout.QuadPart = -10000;
|
|
NtDelayExecution( FALSE, &timeout );
|
|
}
|
|
else break;
|
|
}
|
|
NtResumeThread( handle, &dummy );
|
|
if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* get_thread_context
|
|
*/
|
|
NTSTATUS get_thread_context( HANDLE handle, context_t *context, unsigned int flags, BOOL *self )
|
|
{
|
|
NTSTATUS ret;
|
|
DWORD dummy, i;
|
|
|
|
SERVER_START_REQ( get_thread_context )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->flags = flags;
|
|
req->suspend = 1;
|
|
wine_server_set_reply( req, context, sizeof(*context) );
|
|
ret = wine_server_call( req );
|
|
*self = reply->self;
|
|
}
|
|
SERVER_END_REQ;
|
|
|
|
if (ret == STATUS_PENDING)
|
|
{
|
|
for (i = 0; i < 100; i++)
|
|
{
|
|
SERVER_START_REQ( get_thread_context )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->flags = flags;
|
|
req->suspend = 0;
|
|
wine_server_set_reply( req, context, sizeof(*context) );
|
|
ret = wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
if (ret == STATUS_PENDING)
|
|
{
|
|
LARGE_INTEGER timeout;
|
|
timeout.QuadPart = -10000;
|
|
NtDelayExecution( FALSE, &timeout );
|
|
}
|
|
else break;
|
|
}
|
|
NtResumeThread( handle, &dummy );
|
|
if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* NtQueryInformationThread (NTDLL.@)
|
|
* ZwQueryInformationThread (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
|
|
void *data, ULONG length, ULONG *ret_len )
|
|
{
|
|
NTSTATUS status;
|
|
|
|
switch(class)
|
|
{
|
|
case ThreadBasicInformation:
|
|
{
|
|
THREAD_BASIC_INFORMATION info;
|
|
const ULONG_PTR affinity_mask = get_system_affinity_mask();
|
|
|
|
SERVER_START_REQ( get_thread_info )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->tid_in = 0;
|
|
if (!(status = wine_server_call( req )))
|
|
{
|
|
info.ExitStatus = reply->exit_code;
|
|
info.TebBaseAddress = wine_server_get_ptr( reply->teb );
|
|
info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
|
|
info.ClientId.UniqueThread = ULongToHandle(reply->tid);
|
|
info.AffinityMask = reply->affinity & affinity_mask;
|
|
info.Priority = reply->priority;
|
|
info.BasePriority = reply->priority; /* FIXME */
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
if (data) memcpy( data, &info, min( length, sizeof(info) ));
|
|
if (ret_len) *ret_len = min( length, sizeof(info) );
|
|
}
|
|
}
|
|
return status;
|
|
case ThreadAffinityMask:
|
|
{
|
|
const ULONG_PTR affinity_mask = get_system_affinity_mask();
|
|
ULONG_PTR affinity = 0;
|
|
|
|
SERVER_START_REQ( get_thread_info )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->tid_in = 0;
|
|
if (!(status = wine_server_call( req )))
|
|
affinity = reply->affinity & affinity_mask;
|
|
}
|
|
SERVER_END_REQ;
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
|
|
if (ret_len) *ret_len = min( length, sizeof(affinity) );
|
|
}
|
|
}
|
|
return status;
|
|
case ThreadTimes:
|
|
{
|
|
KERNEL_USER_TIMES kusrt;
|
|
|
|
SERVER_START_REQ( get_thread_times )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
status = wine_server_call( req );
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
kusrt.CreateTime.QuadPart = reply->creation_time;
|
|
kusrt.ExitTime.QuadPart = reply->exit_time;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
/* We call times(2) for kernel time or user time */
|
|
/* We can only (portably) do this for the current thread */
|
|
if (handle == GetCurrentThread())
|
|
{
|
|
struct tms time_buf;
|
|
long clocks_per_sec = sysconf(_SC_CLK_TCK);
|
|
|
|
times(&time_buf);
|
|
kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
|
|
kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
|
|
}
|
|
else
|
|
{
|
|
static BOOL reported = FALSE;
|
|
|
|
kusrt.KernelTime.QuadPart = 0;
|
|
kusrt.UserTime.QuadPart = 0;
|
|
if (reported)
|
|
TRACE("Cannot get kerneltime or usertime of other threads\n");
|
|
else
|
|
{
|
|
FIXME("Cannot get kerneltime or usertime of other threads\n");
|
|
reported = TRUE;
|
|
}
|
|
}
|
|
if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
|
|
if (ret_len) *ret_len = min( length, sizeof(kusrt) );
|
|
}
|
|
}
|
|
return status;
|
|
case ThreadDescriptorTableEntry:
|
|
{
|
|
#ifdef __i386__
|
|
THREAD_DESCRIPTOR_INFORMATION* tdi = data;
|
|
if (length < sizeof(*tdi))
|
|
status = STATUS_INFO_LENGTH_MISMATCH;
|
|
else if (!(tdi->Selector & 4)) /* GDT selector */
|
|
{
|
|
unsigned sel = LOWORD(tdi->Selector) & ~3; /* ignore RPL */
|
|
status = STATUS_SUCCESS;
|
|
if (!sel) /* null selector */
|
|
memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
|
|
else
|
|
{
|
|
tdi->Entry.BaseLow = 0;
|
|
tdi->Entry.HighWord.Bits.BaseMid = 0;
|
|
tdi->Entry.HighWord.Bits.BaseHi = 0;
|
|
tdi->Entry.LimitLow = 0xffff;
|
|
tdi->Entry.HighWord.Bits.LimitHi = 0xf;
|
|
tdi->Entry.HighWord.Bits.Dpl = 3;
|
|
tdi->Entry.HighWord.Bits.Sys = 0;
|
|
tdi->Entry.HighWord.Bits.Pres = 1;
|
|
tdi->Entry.HighWord.Bits.Granularity = 1;
|
|
tdi->Entry.HighWord.Bits.Default_Big = 1;
|
|
tdi->Entry.HighWord.Bits.Type = 0x12;
|
|
tdi->Entry.HighWord.Bits.Reserved_0 = 0;
|
|
/* it has to be one of the system GDT selectors */
|
|
if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
|
|
{
|
|
if (sel == (wine_get_cs() & ~3))
|
|
tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
|
|
else if (sel == (wine_get_fs() & ~3))
|
|
{
|
|
ULONG_PTR fs_base = (ULONG_PTR)NtCurrentTeb();
|
|
tdi->Entry.BaseLow = fs_base & 0xffff;
|
|
tdi->Entry.HighWord.Bits.BaseMid = (fs_base >> 16) & 0xff;
|
|
tdi->Entry.HighWord.Bits.BaseHi = (fs_base >> 24) & 0xff;
|
|
tdi->Entry.LimitLow = 0x0fff;
|
|
tdi->Entry.HighWord.Bits.LimitHi = 0;
|
|
tdi->Entry.HighWord.Bits.Granularity = 0;
|
|
}
|
|
else status = STATUS_ACCESS_DENIED;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SERVER_START_REQ( get_selector_entry )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->entry = LOWORD(tdi->Selector) >> 3;
|
|
status = wine_server_call( req );
|
|
if (!status)
|
|
{
|
|
if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
|
|
status = STATUS_ACCESS_VIOLATION;
|
|
else
|
|
{
|
|
wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
|
|
wine_ldt_set_limit( &tdi->Entry, reply->limit );
|
|
wine_ldt_set_flags( &tdi->Entry, reply->flags );
|
|
}
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
if (status == STATUS_SUCCESS && ret_len)
|
|
/* yes, that's a bit strange, but it's the way it is */
|
|
*ret_len = sizeof(LDT_ENTRY);
|
|
#else
|
|
status = STATUS_NOT_IMPLEMENTED;
|
|
#endif
|
|
return status;
|
|
}
|
|
case ThreadAmILastThread:
|
|
{
|
|
SERVER_START_REQ(get_thread_info)
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->tid_in = 0;
|
|
status = wine_server_call( req );
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
BOOLEAN last = reply->last;
|
|
if (data) memcpy( data, &last, min( length, sizeof(last) ));
|
|
if (ret_len) *ret_len = min( length, sizeof(last) );
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
return status;
|
|
}
|
|
case ThreadQuerySetWin32StartAddress:
|
|
{
|
|
SERVER_START_REQ( get_thread_info )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->tid_in = 0;
|
|
status = wine_server_call( req );
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
PRTL_THREAD_START_ROUTINE entry = wine_server_get_ptr( reply->entry_point );
|
|
if (data) memcpy( data, &entry, min( length, sizeof(entry) ) );
|
|
if (ret_len) *ret_len = min( length, sizeof(entry) );
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
return status;
|
|
}
|
|
case ThreadGroupInformation:
|
|
{
|
|
const ULONG_PTR affinity_mask = get_system_affinity_mask();
|
|
GROUP_AFFINITY affinity;
|
|
|
|
memset(&affinity, 0, sizeof(affinity));
|
|
affinity.Group = 0; /* Wine only supports max 64 processors */
|
|
|
|
SERVER_START_REQ( get_thread_info )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->tid_in = 0;
|
|
if (!(status = wine_server_call( req )))
|
|
affinity.Mask = reply->affinity & affinity_mask;
|
|
}
|
|
SERVER_END_REQ;
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
|
|
if (ret_len) *ret_len = min( length, sizeof(affinity) );
|
|
}
|
|
}
|
|
return status;
|
|
case ThreadIsIoPending:
|
|
FIXME( "ThreadIsIoPending info class not supported yet\n" );
|
|
if (length != sizeof(BOOL)) return STATUS_INFO_LENGTH_MISMATCH;
|
|
if (!data) return STATUS_ACCESS_DENIED;
|
|
|
|
*(BOOL*)data = FALSE;
|
|
if (ret_len) *ret_len = sizeof(BOOL);
|
|
return STATUS_SUCCESS;
|
|
case ThreadPriority:
|
|
case ThreadBasePriority:
|
|
case ThreadImpersonationToken:
|
|
case ThreadEnableAlignmentFaultFixup:
|
|
case ThreadEventPair_Reusable:
|
|
case ThreadZeroTlsCell:
|
|
case ThreadPerformanceCount:
|
|
case ThreadIdealProcessor:
|
|
case ThreadPriorityBoost:
|
|
case ThreadSetTlsArrayAddress:
|
|
default:
|
|
FIXME( "info class %d not supported yet\n", class );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* NtSetInformationThread (NTDLL.@)
|
|
* ZwSetInformationThread (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
|
|
LPCVOID data, ULONG length )
|
|
{
|
|
NTSTATUS status;
|
|
switch(class)
|
|
{
|
|
case ThreadZeroTlsCell:
|
|
if (handle == GetCurrentThread())
|
|
{
|
|
LIST_ENTRY *entry;
|
|
DWORD index;
|
|
|
|
if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
|
|
index = *(const DWORD *)data;
|
|
if (index < TLS_MINIMUM_AVAILABLE)
|
|
{
|
|
RtlAcquirePebLock();
|
|
for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
|
|
{
|
|
TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
|
|
teb->TlsSlots[index] = 0;
|
|
}
|
|
RtlReleasePebLock();
|
|
}
|
|
else
|
|
{
|
|
index -= TLS_MINIMUM_AVAILABLE;
|
|
if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
|
|
return STATUS_INVALID_PARAMETER;
|
|
RtlAcquirePebLock();
|
|
for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
|
|
{
|
|
TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
|
|
if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
|
|
}
|
|
RtlReleasePebLock();
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
FIXME( "ZeroTlsCell not supported on other threads\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
|
|
case ThreadImpersonationToken:
|
|
{
|
|
const HANDLE *phToken = data;
|
|
if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
|
|
TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
|
|
SERVER_START_REQ( set_thread_info )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->token = wine_server_obj_handle( *phToken );
|
|
req->mask = SET_THREAD_INFO_TOKEN;
|
|
status = wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
return status;
|
|
case ThreadBasePriority:
|
|
{
|
|
const DWORD *pprio = data;
|
|
if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
|
|
SERVER_START_REQ( set_thread_info )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->priority = *pprio;
|
|
req->mask = SET_THREAD_INFO_PRIORITY;
|
|
status = wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
return status;
|
|
case ThreadAffinityMask:
|
|
{
|
|
const ULONG_PTR affinity_mask = get_system_affinity_mask();
|
|
ULONG_PTR req_aff;
|
|
|
|
if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
|
|
req_aff = *(const ULONG_PTR *)data & affinity_mask;
|
|
if (!req_aff) return STATUS_INVALID_PARAMETER;
|
|
|
|
SERVER_START_REQ( set_thread_info )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->affinity = req_aff;
|
|
req->mask = SET_THREAD_INFO_AFFINITY;
|
|
status = wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
return status;
|
|
case ThreadHideFromDebugger:
|
|
/* pretend the call succeeded to satisfy some code protectors */
|
|
return STATUS_SUCCESS;
|
|
case ThreadQuerySetWin32StartAddress:
|
|
{
|
|
const PRTL_THREAD_START_ROUTINE *entry = data;
|
|
if (length != sizeof(PRTL_THREAD_START_ROUTINE)) return STATUS_INVALID_PARAMETER;
|
|
SERVER_START_REQ( set_thread_info )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->mask = SET_THREAD_INFO_ENTRYPOINT;
|
|
req->entry_point = wine_server_client_ptr( *entry );
|
|
status = wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
return status;
|
|
case ThreadGroupInformation:
|
|
{
|
|
const ULONG_PTR affinity_mask = get_system_affinity_mask();
|
|
const GROUP_AFFINITY *req_aff;
|
|
|
|
if (length != sizeof(*req_aff)) return STATUS_INVALID_PARAMETER;
|
|
if (!data) return STATUS_ACCESS_VIOLATION;
|
|
req_aff = data;
|
|
|
|
/* On Windows the request fails if the reserved fields are set */
|
|
if (req_aff->Reserved[0] || req_aff->Reserved[1] || req_aff->Reserved[2])
|
|
return STATUS_INVALID_PARAMETER;
|
|
|
|
/* Wine only supports max 64 processors */
|
|
if (req_aff->Group) return STATUS_INVALID_PARAMETER;
|
|
if (req_aff->Mask & ~affinity_mask) return STATUS_INVALID_PARAMETER;
|
|
if (!req_aff->Mask) return STATUS_INVALID_PARAMETER;
|
|
SERVER_START_REQ( set_thread_info )
|
|
{
|
|
req->handle = wine_server_obj_handle( handle );
|
|
req->affinity = req_aff->Mask;
|
|
req->mask = SET_THREAD_INFO_AFFINITY;
|
|
status = wine_server_call( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
}
|
|
return status;
|
|
case ThreadBasicInformation:
|
|
case ThreadTimes:
|
|
case ThreadPriority:
|
|
case ThreadDescriptorTableEntry:
|
|
case ThreadEnableAlignmentFaultFixup:
|
|
case ThreadEventPair_Reusable:
|
|
case ThreadPerformanceCount:
|
|
case ThreadAmILastThread:
|
|
case ThreadIdealProcessor:
|
|
case ThreadPriorityBoost:
|
|
case ThreadSetTlsArrayAddress:
|
|
case ThreadIsIoPending:
|
|
default:
|
|
FIXME( "info class %d not supported yet\n", class );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* NtGetCurrentProcessorNumber (NTDLL.@)
|
|
*
|
|
* Return the processor, on which the thread is running
|
|
*
|
|
*/
|
|
ULONG WINAPI NtGetCurrentProcessorNumber(void)
|
|
{
|
|
ULONG processor;
|
|
|
|
#if defined(__linux__) && defined(__NR_getcpu)
|
|
int res = syscall(__NR_getcpu, &processor, NULL, NULL);
|
|
if (res != -1) return processor;
|
|
#endif
|
|
|
|
if (NtCurrentTeb()->Peb->NumberOfProcessors > 1)
|
|
{
|
|
ULONG_PTR thread_mask, processor_mask;
|
|
NTSTATUS status;
|
|
|
|
status = NtQueryInformationThread(GetCurrentThread(), ThreadAffinityMask,
|
|
&thread_mask, sizeof(thread_mask), NULL);
|
|
if (status == STATUS_SUCCESS)
|
|
{
|
|
for (processor = 0; processor < NtCurrentTeb()->Peb->NumberOfProcessors; processor++)
|
|
{
|
|
processor_mask = (1 << processor);
|
|
if (thread_mask & processor_mask)
|
|
{
|
|
if (thread_mask != processor_mask)
|
|
FIXME("need multicore support (%d processors)\n",
|
|
NtCurrentTeb()->Peb->NumberOfProcessors);
|
|
return processor;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* fallback to the first processor */
|
|
return 0;
|
|
}
|