Commit eb2e77fd authored by Alexandre Julliard's avatar Alexandre Julliard

Made handle table a separate object.

Global handle table is no longer bound to a process. Removed special handling of the initial process.
parent 1bdd154b
......@@ -27,7 +27,8 @@ extern int duplicate_handle( struct process *src, int src_handle, struct process
unsigned int access, int inherit, int options );
extern int open_object( const char *name, const struct object_ops *ops,
unsigned int access, int inherit );
extern int copy_handle_table( struct process *process, struct process *parent );
extern void free_handles( struct process *process );
extern struct object *alloc_handle_table( struct process *process, int count );
extern struct object *copy_handle_table( struct process *process, struct process *parent );
extern void close_global_handles(void);
#endif /* __WINE_SERVER_HANDLE_H */
......@@ -24,8 +24,7 @@
/* process structure */
static struct process initial_process;
static struct process *first_process = &initial_process;
static struct process *first_process;
static int running_processes;
/* process operations */
......@@ -49,16 +48,20 @@ static const struct object_ops process_ops =
};
/* initialization of a process structure */
static void init_process( struct process *process )
/* create a new process */
static struct process *create_process( struct process *parent,
struct new_process_request *req, const char *cmd_line )
{
init_object( &process->obj, &process_ops, NULL );
struct process *process;
if (!(process = alloc_object( sizeof(*process), &process_ops, NULL ))) return NULL;
process->next = NULL;
process->prev = NULL;
process->thread_list = NULL;
process->debug_next = NULL;
process->debug_prev = NULL;
process->debugger = NULL;
process->handles = NULL;
process->exit_code = 0x103; /* STILL_ACTIVE */
process->running_threads = 0;
process->priority = NORMAL_PRIORITY_CLASS;
......@@ -68,47 +71,15 @@ static void init_process( struct process *process )
process->console_out = NULL;
process->info = NULL;
gettimeofday( &process->start_time, NULL );
/* alloc a handle for the process itself */
alloc_handle( process, process, PROCESS_ALL_ACCESS, 0 );
}
/* create the initial process */
struct process *create_initial_process(void)
{
struct new_process_request *info;
copy_handle_table( &initial_process, NULL );
init_process( &initial_process );
if (!alloc_console( &initial_process )) return NULL;
if (!(info = mem_alloc( sizeof(*info) ))) return NULL;
info->start_flags = STARTF_USESTDHANDLES;
info->hstdin = alloc_handle( &initial_process, initial_process.console_in,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, 1 );
info->hstdout = alloc_handle( &initial_process, initial_process.console_out,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, 1 );
info->hstderr = alloc_handle( &initial_process, initial_process.console_out,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, 1 );
info->env_ptr = NULL;
initial_process.info = info;
grab_object( &initial_process ); /* so that we never free it */
return &initial_process;
}
/* create a new process */
static struct process *create_process( struct new_process_request *req, const char *cmd_line )
{
struct process *process = NULL;
struct process *parent = current->process;
if (req->inherit_all)
process->handles = copy_handle_table( process, parent );
else
process->handles = alloc_handle_table( process, 0 );
if (!process->handles) goto error;
if (!(process = mem_alloc( sizeof(*process) ))) return NULL;
if (!copy_handle_table( process, req->inherit_all ? parent : NULL ))
{
free( process );
return NULL;
}
init_process( process );
/* alloc a handle for the process itself */
alloc_handle( process, process, PROCESS_ALL_ACCESS, 0 );
if (!(process->info = mem_alloc( sizeof(*process->info) + strlen(cmd_line) + 1 ))) goto error;
memcpy( process->info, req, sizeof(*req) );
......@@ -138,33 +109,60 @@ static struct process *create_process( struct new_process_request *req, const ch
/* attach to the debugger if requested */
if (req->create_flags & DEBUG_PROCESS)
debugger_attach( process, current );
else if (parent->debugger && !(req->create_flags & DEBUG_ONLY_THIS_PROCESS))
else if (parent && parent->debugger && !(req->create_flags & DEBUG_ONLY_THIS_PROCESS))
debugger_attach( process, parent->debugger );
process->next = first_process;
first_process->prev = process;
if ((process->next = first_process) != NULL) process->next->prev = process;
first_process = process;
return process;
error:
free_console( process );
if (process->info) free( process->info );
if (process->handles) release_object( process->handles );
release_object( process );
return NULL;
}
/* create the initial process */
struct process *create_initial_process(void)
{
struct process *process;
struct new_process_request req;
req.inherit = 0;
req.inherit_all = 0;
req.create_flags = CREATE_NEW_CONSOLE;
req.start_flags = STARTF_USESTDHANDLES;
req.hstdin = -1;
req.hstdout = -1;
req.hstderr = -1;
req.cmd_show = 0;
req.env_ptr = NULL;
if ((process = create_process( NULL, &req, "" )))
{
process->info->hstdin = alloc_handle( process, process->console_in,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, 1 );
process->info->hstdout = alloc_handle( process, process->console_out,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, 1 );
process->info->hstderr = alloc_handle( process, process->console_out,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE, 1 );
release_object( process );
}
return process;
}
/* destroy a process when its refcount is 0 */
static void process_destroy( struct object *obj )
{
struct process *process = (struct process *)obj;
assert( obj->ops == &process_ops );
assert( process != &initial_process );
/* we can't have a thread remaining */
assert( !process->thread_list );
if (process->next) process->next->prev = process->prev;
if (process->prev) process->prev->next = process->next;
else first_process = process->next;
free_console( process );
free_handles( process );
if (process->info) free( process->info );
if (debug_level) memset( process, 0xbb, sizeof(process) ); /* catch errors */
free( process );
......@@ -176,7 +174,9 @@ static void process_dump( struct object *obj, int verbose )
struct process *process = (struct process *)obj;
assert( obj->ops == &process_ops );
printf( "Process next=%p prev=%p\n", process->next, process->prev );
fprintf( stderr, "Process next=%p prev=%p console=%p/%p handles=%p\n",
process->next, process->prev, process->console_in, process->console_out,
process->handles );
}
static int process_signaled( struct object *obj, struct thread *thread )
......@@ -209,8 +209,15 @@ static void process_killed( struct process *process, int exit_code )
assert( !process->thread_list );
process->exit_code = exit_code;
gettimeofday( &process->end_time, NULL );
release_object( process->handles );
process->handles = NULL;
free_console( process );
wake_up( &process->obj, 0 );
free_handles( process );
if (!--running_processes)
{
/* last process died, close global handles */
close_global_handles();
}
}
/* add a thread to a process running threads list */
......@@ -237,7 +244,6 @@ void remove_process_thread( struct process *process, struct thread *thread )
if (!--process->running_threads)
{
/* we have removed the last running thread, exit the process */
running_processes--;
process_killed( process, thread->exit_code );
}
release_object( thread );
......@@ -366,7 +372,7 @@ DECL_HANDLER(new_process)
char *cmd_line = (char *)data;
CHECK_STRING( "new_process", cmd_line, len );
if ((process = create_process( req, cmd_line )))
if ((process = create_process( current->process, req, cmd_line )))
{
reply.pid = process;
reply.handle = alloc_handle( current->process, process,
......
......@@ -15,8 +15,6 @@
/* process structures */
struct handle_entry;
struct process
{
struct object obj; /* object header */
......@@ -26,9 +24,7 @@ struct process
struct process *debug_next; /* per-debugger process list */
struct process *debug_prev;
struct thread *debugger; /* thread debugging this process */
struct handle_entry *entries; /* handle entries */
int handle_last; /* last valid handle */
int handle_count; /* allocated table entries */
struct object *handles; /* handle entries */
int exit_code; /* process exit code */
int running_threads; /* number of threads running in this process */
struct timeval start_time; /* absolute time at process start */
......
......@@ -74,8 +74,7 @@ static const struct object_ops thread_ops =
destroy_thread
};
static struct thread initial_thread;
static struct thread *first_thread = &initial_thread;
static struct thread *first_thread;
/* initialization of a thread structure */
static void init_thread( struct thread *thread, int fd )
......@@ -104,12 +103,14 @@ static void init_thread( struct thread *thread, int fd )
/* create the initial thread and start the main server loop */
void create_initial_thread( int fd )
{
current = &initial_thread;
init_thread( &initial_thread, fd );
initial_thread.process = create_initial_process();
add_process_thread( initial_thread.process, &initial_thread );
initial_thread.client = add_client( fd, &initial_thread );
grab_object( &initial_thread ); /* so that we never free it */
first_thread = mem_alloc( sizeof(*first_thread) );
assert( first_thread );
current = first_thread;
init_thread( first_thread, fd );
first_thread->process = create_initial_process();
add_process_thread( first_thread->process, first_thread );
first_thread->client = add_client( fd, first_thread );
select_loop();
}
......@@ -131,8 +132,7 @@ static struct thread *create_thread( int fd, void *pid, int suspend, int inherit
if (suspend) thread->suspend++;
thread->next = first_thread;
first_thread->prev = thread;
if ((thread->next = first_thread) != NULL) thread->next->prev = thread;
first_thread = thread;
add_process_thread( process, thread );
......@@ -146,7 +146,7 @@ static struct thread *create_thread( int fd, void *pid, int suspend, int inherit
return thread;
error:
if (current) close_handle( current->process, *handle );
close_handle( current->process, *handle );
remove_process_thread( process, thread );
release_object( thread );
return NULL;
......@@ -174,8 +174,8 @@ static void dump_thread( struct object *obj, int verbose )
struct thread *thread = (struct thread *)obj;
assert( obj->ops == &thread_ops );
fprintf( stderr, "Thread pid=%d teb=%p client=%p\n",
thread->unix_pid, thread->teb, thread->client );
fprintf( stderr, "Thread pid=%d teb=%p state=%d\n",
thread->unix_pid, thread->teb, thread->state );
}
static int thread_signaled( struct object *obj, struct thread *thread )
......
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