Changed initial process creation to avoid memory allocations.
Removed a few unused fields in PDB and THDB.
This commit is contained in:
Alexandre Julliard
parent
13e55192b9
commit
214399f283
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@ -81,7 +81,7 @@ typedef struct _PDB32
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HANDLE_TABLE *handle_table; /* 44 Handle table */
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struct _PDB32 *parent; /* 48 Parent process */
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WINE_MODREF *modref_list; /* 4c MODREF list */
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struct _THREAD_ENTRY *thread_list; /* 50 List of threads */
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void *thread_list; /* 50 List of threads */
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void *debuggee_CB; /* 54 Debuggee context block */
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void *local_heap_free; /* 58 Head of local heap free list */
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DWORD unknown4; /* 5c Unknown */
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@ -132,9 +132,6 @@ extern void ENV_FreeEnvironment( PDB32 *pdb );
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extern BOOL32 HANDLE_CreateTable( PDB32 *pdb, BOOL32 inherit );
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extern HANDLE32 HANDLE_Alloc( PDB32 *pdb, K32OBJ *ptr, DWORD access,
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BOOL32 inherit, int server_handle );
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extern K32OBJ *HANDLE_GetObjPtr( PDB32 *pdb, HANDLE32 handle,
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K32OBJ_TYPE type, DWORD access,
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int *server_handle );
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extern int HANDLE_GetServerHandle( PDB32 *pdb, HANDLE32 handle,
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K32OBJ_TYPE type, DWORD access );
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extern void HANDLE_CloseAll( PDB32 *pdb, K32OBJ *ptr );
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@ -8,9 +8,8 @@
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#define __WINE_THREAD_H
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#include "config.h"
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#include "k32obj.h"
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#include "winbase.h"
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#include "winnt.h"
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#include "k32obj.h"
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#include "selectors.h" /* for SET_FS */
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#ifdef linux
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@ -56,15 +55,6 @@ typedef struct _TEB
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#define TEBF_WIN32 0x0001
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#define TEBF_TRAP 0x0002
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/* Event waiting structure */
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typedef struct
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{
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DWORD count; /* Count of valid objects */
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BOOL32 wait_all; /* Wait for all objects flag */
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K32OBJ *objs[MAXIMUM_WAIT_OBJECTS]; /* Object pointers */
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int server[MAXIMUM_WAIT_OBJECTS]; /* Server handles */
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} WAIT_STRUCT;
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/* Thread database */
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typedef struct _THDB
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{
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@ -77,7 +67,7 @@ typedef struct _THDB
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WORD teb_sel; /* 4c Selector to TEB */
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WORD emu_sel; /* 4e 80387 emulator selector */
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int thread_errno; /* 50 Per-thread errno (was: unknown) */
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WAIT_STRUCT *wait_list; /* 54 Event waiting list */
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void *wait_list; /* 54 Event waiting list */
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int thread_h_errno; /* 50 Per-thread h_errno (was: unknown) */
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void *ring0_thread; /* 5c Pointer to ring 0 thread */
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void *ptdbx; /* 60 Pointer to TDBX structure */
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@ -102,29 +92,17 @@ typedef struct _THDB
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DWORD suspend_count; /* 1bc SuspendThread() counter */
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void *entry_point; /* 1c0 Thread entry point (was: unknown) */
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void *entry_arg; /* 1c4 Entry point arg (was: unknown) */
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int unix_pid; /* 1c8 Unix thread pid (was: unknown) */
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DWORD unknown5[3]; /* 1cc Unknown */
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DWORD unknown5[4]; /* 1c8 Unknown */
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DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */
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CRITICAL_SECTION *sys_mutex[4];/* 1e8 Syslevel mutex pointers */
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DWORD unknown6[2]; /* 1f8 Unknown */
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/* The following are Wine-specific fields */
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WAIT_STRUCT wait_struct; /* 200 Event wait structure */
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int socket; /* Socket for server communication */
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int socket; /* 200 Socket for server communication */
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unsigned int seq; /* Server sequence number */
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void *server_tid; /* Server id for this thread */
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} THDB;
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/* Thread queue entry */
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typedef struct _THREAD_ENTRY
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{
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THDB *thread;
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struct _THREAD_ENTRY *next;
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} THREAD_ENTRY;
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/* A thread queue is a circular list; a THREAD_QUEUE is a pointer */
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/* to the end of the queue (i.e. where we add elements) */
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typedef THREAD_ENTRY *THREAD_QUEUE;
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/* THDB <-> Thread id conversion macros */
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#define THREAD_OBFUSCATOR ((DWORD)0xdeadbeef)
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@ -144,6 +122,7 @@ extern THDB *pCurrentThread;
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/* scheduler/thread.c */
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extern THDB *THREAD_CreateInitialThread( struct _PDB32 *pdb );
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extern THDB *THREAD_Create( struct _PDB32 *pdb, DWORD stack_size,
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BOOL32 alloc_stack16,
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int *server_thandle, int *server_phandle,
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@ -152,8 +131,6 @@ extern THDB *THREAD_Current(void);
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extern BOOL32 THREAD_IsWin16( THDB *thdb );
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extern THDB *THREAD_IdToTHDB( DWORD id );
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extern void THREAD_Start( THDB *thdb );
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extern void THREAD_AddQueue( THREAD_QUEUE *queue, THDB *thread );
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extern void THREAD_RemoveQueue( THREAD_QUEUE *queue, THDB *thread );
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extern DWORD THREAD_TlsAlloc( THDB *thread );
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/* scheduler/sysdeps.c */
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@ -31,7 +31,9 @@ const K32OBJ_OPS PROCESS_Ops =
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PROCESS_Destroy /* destroy */
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};
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static DWORD PROCESS_InitialProcessID = 0;
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/* The initial process PDB */
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static PDB32 initial_pdb;
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static PDB32 *PROCESS_PDBList = NULL;
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static DWORD PROCESS_PDBList_Size = 0;
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@ -53,7 +55,7 @@ PDB32 *PROCESS_Current(void)
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*/
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PDB32 *PROCESS_Initial(void)
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{
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return PROCESS_IdToPDB( PROCESS_InitialProcessID );
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return &initial_pdb;
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}
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/***********************************************************************
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@ -361,31 +363,39 @@ static BOOL32 PROCESS_FinishCreatePDB( PDB32 *pdb )
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*/
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BOOL32 PROCESS_Init(void)
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{
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PDB32 *pdb;
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THDB *thdb;
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/* Fill the initial process structure */
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initial_pdb.header.type = K32OBJ_PROCESS;
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initial_pdb.header.refcount = 1;
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initial_pdb.exit_code = 0x103; /* STILL_ACTIVE */
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initial_pdb.threads = 1;
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initial_pdb.running_threads = 1;
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initial_pdb.ring0_threads = 1;
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initial_pdb.group = &initial_pdb;
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initial_pdb.priority = 8; /* Normal */
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/* Initialize virtual memory management */
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if (!VIRTUAL_Init()) return FALSE;
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/* Create the system heaps */
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/* Create the system heap */
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if (!(SystemHeap = HeapCreate( HEAP_GROWABLE, 0x10000, 0 ))) return FALSE;
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initial_pdb.system_heap = initial_pdb.heap = SystemHeap;
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/* Create the initial process and thread structures */
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if (!(pdb = PROCESS_CreatePDB( NULL, FALSE ))) return FALSE;
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if (!(thdb = THREAD_Create( pdb, 0, FALSE, NULL, NULL, NULL, NULL ))) return FALSE;
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thdb->unix_pid = getpid();
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PROCESS_InitialProcessID = PDB_TO_PROCESS_ID(pdb);
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if (!HANDLE_CreateTable( &initial_pdb, FALSE )) return FALSE;
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if (!(thdb = THREAD_CreateInitialThread( &initial_pdb ))) return FALSE;
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/* Remember TEB selector of initial process for emergency use */
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SYSLEVEL_EmergencyTeb = thdb->teb_sel;
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/* Create the environment DB of the first process */
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if (!PROCESS_BuildEnvDB( pdb )) return FALSE;
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PROCESS_PDBList_Insert( &initial_pdb );
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if (!PROCESS_BuildEnvDB( &initial_pdb )) return FALSE;
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/* Initialize the first thread */
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if (CLIENT_InitThread()) return FALSE;
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if (!PROCESS_FinishCreatePDB( pdb )) return FALSE;
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if (!PROCESS_FinishCreatePDB( &initial_pdb )) return FALSE;
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/* Create the SEGPTR heap */
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if (!(SegptrHeap = HeapCreate( HEAP_WINE_SEGPTR, 0, 0 ))) return FALSE;
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@ -453,15 +463,6 @@ PDB32 *PROCESS_Create( NE_MODULE *pModule, LPCSTR cmd_line, LPCSTR env,
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info->dwProcessId = PDB_TO_PROCESS_ID(pdb);
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info->dwThreadId = THDB_TO_THREAD_ID(thdb);
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#if 0
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thdb->unix_pid = getpid(); /* FIXME: wrong here ... */
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#else
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/* All Win16 'threads' have the same unix_pid, no matter by which thread
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they were created ! */
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pTask = (TDB *)GlobalLock16( parent->task );
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thdb->unix_pid = pTask? pTask->thdb->unix_pid : THREAD_Current()->unix_pid;
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#endif
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/* Duplicate the standard handles */
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if ((!(pdb->env_db->startup_info->dwFlags & STARTF_USESTDHANDLES)) && !inherit)
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@ -897,6 +898,7 @@ DWORD WINAPI GetProcessHeaps(DWORD nrofheaps,HANDLE32 *heaps) {
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void PROCESS_SuspendOtherThreads(void)
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{
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#if 0
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PDB32 *pdb;
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THREAD_ENTRY *entry;
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@ -919,6 +921,7 @@ void PROCESS_SuspendOtherThreads(void)
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}
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SYSTEM_UNLOCK();
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#endif
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}
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/***********************************************************************
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@ -927,6 +930,7 @@ void PROCESS_SuspendOtherThreads(void)
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void PROCESS_ResumeOtherThreads(void)
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{
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#if 0
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PDB32 *pdb;
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THREAD_ENTRY *entry;
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@ -949,5 +953,6 @@ void PROCESS_ResumeOtherThreads(void)
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}
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SYSTEM_UNLOCK();
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#endif
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}
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@ -80,7 +80,6 @@ int *__h_errno_location()
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*/
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static void SYSDEPS_StartThread( THDB *thdb )
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{
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thdb->unix_pid = getpid();
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SET_FS( thdb->teb_sel );
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THREAD_Start( thdb );
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}
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