1 /*
2 * Wine server processes
3 *
4 * Copyright (C) 1999 Alexandre Julliard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #ifndef __WINE_SERVER_PROCESS_H
22 #define __WINE_SERVER_PROCESS_H
23
24 #include "object.h"
25
26 struct atom_table;
27 struct handle_table;
28 struct startup_info;
29
30 /* process startup state */
31 enum startup_state { STARTUP_IN_PROGRESS, STARTUP_DONE, STARTUP_ABORTED };
32
33 /* process structures */
34
35 struct process_dll
36 {
37 struct list entry; /* entry in per-process dll list */
38 struct file *file; /* dll file */
39 mod_handle_t base; /* dll base address (in process addr space) */
40 client_ptr_t name; /* ptr to ptr to name (in process addr space) */
41 data_size_t size; /* dll size */
42 int dbg_offset; /* debug info offset */
43 int dbg_size; /* debug info size */
44 data_size_t namelen; /* length of dll file name */
45 WCHAR *filename; /* dll file name */
46 };
47
48 struct process
49 {
50 struct object obj; /* object header */
51 struct list entry; /* entry in system-wide process list */
52 struct process *parent; /* parent process */
53 struct list thread_list; /* thread list */
54 struct thread *debugger; /* thread debugging this process */
55 struct handle_table *handles; /* handle entries */
56 struct fd *msg_fd; /* fd for sendmsg/recvmsg */
57 process_id_t id; /* id of the process */
58 process_id_t group_id; /* group id of the process */
59 struct timeout_user *sigkill_timeout; /* timeout for final SIGKILL */
60 enum cpu_type cpu; /* client CPU type */
61 int unix_pid; /* Unix pid for final SIGKILL */
62 int exit_code; /* process exit code */
63 int running_threads; /* number of threads running in this process */
64 timeout_t start_time; /* absolute time at process start */
65 timeout_t end_time; /* absolute time at process end */
66 affinity_t affinity; /* process affinity mask */
67 int priority; /* priority class */
68 int suspend; /* global process suspend count */
69 int is_system; /* is it a system process? */
70 unsigned int create_flags; /* process creation flags */
71 struct list locks; /* list of file locks owned by the process */
72 struct list classes; /* window classes owned by the process */
73 struct console_input*console; /* console input */
74 enum startup_state startup_state; /* startup state */
75 struct startup_info *startup_info; /* startup info while init is in progress */
76 struct event *idle_event; /* event for input idle */
77 obj_handle_t winstation; /* main handle to process window station */
78 obj_handle_t desktop; /* handle to desktop to use for new threads */
79 struct token *token; /* security token associated with this process */
80 struct list dlls; /* list of loaded dlls */
81 client_ptr_t peb; /* PEB address in client address space */
82 client_ptr_t ldt_copy; /* pointer to LDT copy in client addr space */
83 unsigned int trace_data; /* opaque data used by the process tracing mechanism */
84 };
85
86 struct process_snapshot
87 {
88 struct process *process; /* process ptr */
89 int count; /* process refcount */
90 int threads; /* number of threads */
91 int priority; /* priority class */
92 int handles; /* number of handles */
93 };
94
95 /* process functions */
96
97 extern unsigned int alloc_ptid( void *ptr );
98 extern void free_ptid( unsigned int id );
99 extern void *get_ptid_entry( unsigned int id );
100 extern struct thread *create_process( int fd, struct thread *parent_thread, int inherit_all );
101 extern data_size_t init_process( struct thread *thread );
102 extern struct thread *get_process_first_thread( struct process *process );
103 extern struct process *get_process_from_id( process_id_t id );
104 extern struct process *get_process_from_handle( obj_handle_t handle, unsigned int access );
105 extern int process_set_debugger( struct process *process, struct thread *thread );
106 extern int debugger_detach( struct process* process, struct thread* debugger );
107 extern int set_process_debug_flag( struct process *process, int flag );
108
109 extern void add_process_thread( struct process *process,
110 struct thread *thread );
111 extern void remove_process_thread( struct process *process,
112 struct thread *thread );
113 extern void suspend_process( struct process *process );
114 extern void resume_process( struct process *process );
115 extern void kill_process( struct process *process, int violent_death );
116 extern void kill_console_processes( struct thread *renderer, int exit_code );
117 extern void kill_debugged_processes( struct thread *debugger, int exit_code );
118 extern void break_process( struct process *process );
119 extern void detach_debugged_processes( struct thread *debugger );
120 extern struct process_snapshot *process_snap( int *count );
121 extern void enum_processes( int (*cb)(struct process*, void*), void *user);
122
123 /* console functions */
124 extern void inherit_console(struct thread *parent_thread, struct process *process, obj_handle_t hconin);
125 extern int free_console( struct process *process );
126 extern struct thread *console_get_renderer( struct console_input *console );
127
128 /* process tracing mechanism to use */
129 #ifdef __APPLE__
130 #define USE_MACH
131 #elif defined(__sun)
132 #define USE_PROCFS
133 #else
134 #define USE_PTRACE
135 #endif
136
137 extern void init_tracing_mechanism(void);
138 extern void init_process_tracing( struct process *process );
139 extern void finish_process_tracing( struct process *process );
140 extern int read_process_memory( struct process *process, client_ptr_t ptr, data_size_t size, char *dest );
141 extern int write_process_memory( struct process *process, client_ptr_t ptr, data_size_t size, const char *src );
142
143 static inline process_id_t get_process_id( struct process *process ) { return process->id; }
144
145 static inline int is_process_init_done( struct process *process )
146 {
147 return process->startup_state == STARTUP_DONE;
148 }
149
150 static inline struct process_dll *get_process_exe_module( struct process *process )
151 {
152 struct list *ptr = list_head( &process->dlls );
153 return ptr ? LIST_ENTRY( ptr, struct process_dll, entry ) : NULL;
154 }
155
156 #endif /* __WINE_SERVER_PROCESS_H */
157
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