148 lines
7.1 KiB
C
148 lines
7.1 KiB
C
/*
|
|
* Wine server threads
|
|
*
|
|
* Copyright (C) 1998 Alexandre Julliard
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#ifndef __WINE_SERVER_THREAD_H
|
|
#define __WINE_SERVER_THREAD_H
|
|
|
|
#include "object.h"
|
|
|
|
/* thread structure */
|
|
|
|
struct process;
|
|
struct thread_wait;
|
|
struct thread_apc;
|
|
struct debug_ctx;
|
|
struct debug_event;
|
|
struct msg_queue;
|
|
|
|
enum run_state
|
|
{
|
|
RUNNING, /* running normally */
|
|
TERMINATED /* terminated */
|
|
};
|
|
|
|
/* descriptor for fds currently in flight from client to server */
|
|
struct inflight_fd
|
|
{
|
|
int client; /* fd on the client side (or -1 if entry is free) */
|
|
int server; /* fd on the server side */
|
|
};
|
|
#define MAX_INFLIGHT_FDS 16 /* max number of fds in flight per thread */
|
|
|
|
struct thread
|
|
{
|
|
struct object obj; /* object header */
|
|
struct list entry; /* entry in system-wide thread list */
|
|
struct list proc_entry; /* entry in per-process thread list */
|
|
struct process *process;
|
|
thread_id_t id; /* thread id */
|
|
struct list mutex_list; /* list of currently owned mutexes */
|
|
struct debug_ctx *debug_ctx; /* debugger context if this thread is a debugger */
|
|
struct debug_event *debug_event; /* debug event being sent to debugger */
|
|
int debug_break; /* debug breakpoint pending? */
|
|
struct msg_queue *queue; /* message queue */
|
|
struct thread_wait *wait; /* current wait condition if sleeping */
|
|
struct list system_apc; /* queue of system async procedure calls */
|
|
struct list user_apc; /* queue of user async procedure calls */
|
|
struct inflight_fd inflight[MAX_INFLIGHT_FDS]; /* fds currently in flight */
|
|
unsigned int error; /* current error code */
|
|
union generic_request req; /* current request */
|
|
void *req_data; /* variable-size data for request */
|
|
unsigned int req_toread; /* amount of data still to read in request */
|
|
void *reply_data; /* variable-size data for reply */
|
|
unsigned int reply_size; /* size of reply data */
|
|
unsigned int reply_towrite; /* amount of data still to write in reply */
|
|
struct fd *request_fd; /* fd for receiving client requests */
|
|
struct fd *reply_fd; /* fd to send a reply to a client */
|
|
struct fd *wait_fd; /* fd to use to wake a sleeping client */
|
|
enum run_state state; /* running state */
|
|
int exit_code; /* thread exit code */
|
|
int unix_pid; /* Unix pid of client */
|
|
int unix_tid; /* Unix tid of client */
|
|
CONTEXT *context; /* current context if in an exception handler */
|
|
CONTEXT *suspend_context; /* current context if suspended */
|
|
void *teb; /* TEB address (in client address space) */
|
|
int priority; /* priority level */
|
|
int affinity; /* affinity mask */
|
|
int suspend; /* suspend count */
|
|
obj_handle_t desktop; /* desktop handle */
|
|
int desktop_users; /* number of objects using the thread desktop */
|
|
struct timeval creation_time; /* Thread creation time */
|
|
struct timeval exit_time; /* Thread exit time */
|
|
struct token *token; /* security token associated with this thread */
|
|
};
|
|
|
|
struct thread_snapshot
|
|
{
|
|
struct thread *thread; /* thread ptr */
|
|
int count; /* thread refcount */
|
|
int priority; /* priority class */
|
|
};
|
|
|
|
extern struct thread *current;
|
|
|
|
/* thread functions */
|
|
|
|
extern struct thread *create_thread( int fd, struct process *process );
|
|
extern struct thread *get_thread_from_id( thread_id_t id );
|
|
extern struct thread *get_thread_from_handle( obj_handle_t handle, unsigned int access );
|
|
extern struct thread *get_thread_from_tid( int tid );
|
|
extern struct thread *get_thread_from_pid( int pid );
|
|
extern void stop_thread( struct thread *thread );
|
|
extern int wake_thread( struct thread *thread );
|
|
extern int add_queue( struct object *obj, struct wait_queue_entry *entry );
|
|
extern void remove_queue( struct object *obj, struct wait_queue_entry *entry );
|
|
extern void kill_thread( struct thread *thread, int violent_death );
|
|
extern void break_thread( struct thread *thread );
|
|
extern void wake_up( struct object *obj, int max );
|
|
extern int thread_queue_apc( struct thread *thread, struct object *owner, void *func,
|
|
enum apc_type type, int system, void *arg1, void *arg2, void *arg3 );
|
|
extern void thread_cancel_apc( struct thread *thread, struct object *owner, int system );
|
|
extern int thread_add_inflight_fd( struct thread *thread, int client, int server );
|
|
extern int thread_get_inflight_fd( struct thread *thread, int client );
|
|
extern struct thread_snapshot *thread_snap( int *count );
|
|
extern struct token *thread_get_impersonation_token( struct thread *thread );
|
|
|
|
/* CPU context functions */
|
|
extern void copy_context( CONTEXT *to, const CONTEXT *from, unsigned int flags );
|
|
extern void *get_context_ip( const CONTEXT *context );
|
|
extern unsigned int get_context_cpu_flag(void);
|
|
extern unsigned int get_context_system_regs( unsigned int flags );
|
|
|
|
/* ptrace functions */
|
|
|
|
extern void sigchld_callback(void);
|
|
extern void get_thread_context( struct thread *thread, CONTEXT *context, unsigned int flags );
|
|
extern void set_thread_context( struct thread *thread, const CONTEXT *context, unsigned int flags );
|
|
extern int send_thread_signal( struct thread *thread, int sig );
|
|
extern void get_selector_entry( struct thread *thread, int entry, unsigned int *base,
|
|
unsigned int *limit, unsigned char *flags );
|
|
|
|
extern unsigned int global_error; /* global error code for when no thread is current */
|
|
|
|
static inline unsigned int get_error(void) { return current ? current->error : global_error; }
|
|
static inline void set_error( unsigned int err ) { global_error = err; if (current) current->error = err; }
|
|
static inline void clear_error(void) { set_error(0); }
|
|
static inline void set_win32_error( unsigned int err ) { set_error( 0xc0010000 | err ); }
|
|
|
|
static inline thread_id_t get_thread_id( struct thread *thread ) { return thread->id; }
|
|
|
|
#endif /* __WINE_SERVER_THREAD_H */
|