# include <errno.h> /* ENOSYS */
#endif
+#include <limits.h>
#include <assert.h>
#if defined (HAVE_SYS_EVENTFD_H)
# include <sys/eventfd.h>
-# define HAVE_EVENTFD 1
#endif
p_priv->i_object_type = i_type;
p_new->psz_object_type = psz_type;
- p_new->psz_object_name = NULL;
+ p_priv->psz_name = NULL;
p_new->b_die = false;
p_new->b_error = false;
libvlc_int_t *self = (libvlc_int_t*)p_new;
p_new->p_libvlc = self;
vlc_mutex_init (&(libvlc_priv (self)->structure_lock));
- p_this = p_priv->next = p_priv->prev = p_new;
+ p_this = p_new;
}
else
p_new->p_libvlc = p_this->p_libvlc;
p_priv->pp_children = NULL;
p_priv->i_children = 0;
- p_new->p_private = NULL;
-
/* Initialize mutexes and condvars */
vlc_mutex_init( &p_priv->var_lock );
vlc_cond_init( &p_priv->var_wait );
p_priv->pipes[0] = p_priv->pipes[1] = -1;
- p_priv->next = p_this;
- libvlc_lock (p_new->p_libvlc);
- p_priv->prev = vlc_internals (p_this)->prev;
- vlc_internals (p_this)->prev = p_new;
- vlc_internals (p_priv->prev)->next = p_new;
- libvlc_unlock (p_new->p_libvlc);
-
if (p_new == VLC_OBJECT(p_new->p_libvlc))
{ /* TODO: should be in src/libvlc.c */
int canc = vlc_savecancel ();
- var_Create( p_new, "list", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
- var_AddCallback( p_new, "list", DumpCommand, NULL );
var_Create( p_new, "tree", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_new, "tree", DumpCommand, NULL );
var_Create( p_new, "vars", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
vlc_spin_unlock( &p_priv->ref_spin );
}
+static vlc_mutex_t name_lock = VLC_STATIC_MUTEX;
+
+#undef vlc_object_set_name
+int vlc_object_set_name(vlc_object_t *obj, const char *name)
+{
+ vlc_object_internals_t *priv = vlc_internals(obj);
+ char *newname = name ? strdup (name) : NULL;
+ char *oldname;
+
+ vlc_mutex_lock (&name_lock);
+ oldname = priv->psz_name;
+ priv->psz_name = newname;
+ vlc_mutex_unlock (&name_lock);
+
+ free (oldname);
+ return (priv->psz_name || !name) ? VLC_SUCCESS : VLC_ENOMEM;
+}
+
+#undef vlc_object_get_name
+char *vlc_object_get_name(const vlc_object_t *obj)
+{
+ vlc_object_internals_t *priv = vlc_internals(obj);
+ char *name;
+
+ vlc_mutex_lock (&name_lock);
+ name = priv->psz_name ? strdup (priv->psz_name) : NULL;
+ vlc_mutex_unlock (&name_lock);
+
+ return name;
+}
+
/**
****************************************************************************
* Destroy a vlc object (Internal)
free( p_this->psz_header );
- FREENULL( p_this->psz_object_name );
+ free( p_priv->psz_name );
vlc_spin_destroy( &p_priv->ref_spin );
if( p_priv->pipes[1] != -1 && p_priv->pipes[1] != p_priv->pipes[0] )
return p_found;
}
+
+static int objnamecmp(const vlc_object_t *obj, const char *name)
+{
+ char *objname = vlc_object_get_name(obj);
+ if (objname == NULL)
+ return INT_MIN;
+
+ int ret = strcmp (objname, name);
+ free (objname);
+ return ret;
+}
+
#undef vlc_object_find_name
/**
* Finds a named object and increment its reference count.
{
vlc_object_t *p_found;
+ /* Reading psz_object_name from a separate inhibits thread-safety.
+ * Use a libvlc address variable instead for that sort of things! */
+ msg_Warn( p_this, "%s(%s) is not safe!", __func__, psz_name );
/* If have the requested name ourselves, don't look further */
- if( !(i_mode & FIND_STRICT)
- && p_this->psz_object_name
- && !strcmp( p_this->psz_object_name, psz_name ) )
+ if( !(i_mode & FIND_STRICT) && !objnamecmp(p_this, psz_name) )
{
vlc_object_hold( p_this );
return p_this;
if( b_should_destroy )
{
- parent = p_this->p_parent;
-
-#ifndef NDEBUG
- if( VLC_OBJECT(p_this->p_libvlc) == p_this )
- {
- /* Test for leaks */
- vlc_object_t *leaked = internals->next;
- while( leaked != p_this )
- {
- /* We are leaking this object */
- fprintf( stderr,
- "ERROR: leaking object (%p, type:%s, name:%s)\n",
- leaked, leaked->psz_object_type,
- leaked->psz_object_name );
- /* Dump object to ease debugging */
- vlc_object_dump( leaked );
- fflush(stderr);
- leaked = vlc_internals (leaked)->next;
- }
-
- if( internals->next != p_this )
- /* Dump libvlc object to ease debugging */
- vlc_object_dump( p_this );
- }
-#endif
- /* Remove the object from object list
- * so that it cannot be encountered by vlc_object_get() */
- vlc_internals (internals->next)->prev = internals->prev;
- vlc_internals (internals->prev)->next = internals->next;
-
- if (parent)
+ if (p_this->p_parent)
/* Detach from parent to protect against FIND_CHILDREN */
vlc_object_detach_unlocked (p_this);
static int DumpCommand( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
- libvlc_int_t *p_libvlc = p_this->p_libvlc;
-
(void)oldval; (void)p_data;
- if( *psz_cmd == 'l' )
- {
- vlc_object_t *cur = VLC_OBJECT (p_libvlc);
+ vlc_object_t *p_object = NULL;
- libvlc_lock (p_this->p_libvlc);
- do
+ if( *newval.psz_string )
+ {
+ /* try using the object's name to find it */
+ p_object = vlc_object_find_name( p_this, newval.psz_string,
+ FIND_ANYWHERE );
+ if( !p_object )
{
- PrintObject (cur, "");
- cur = vlc_internals (cur)->next;
+ return VLC_ENOOBJ;
}
- while (cur != VLC_OBJECT(p_libvlc));
- libvlc_unlock (p_this->p_libvlc);
}
- else
- {
- vlc_object_t *p_object = NULL;
- if( *newval.psz_string )
- {
- /* try using the object's name to find it */
- p_object = vlc_object_find_name( p_this, newval.psz_string,
- FIND_ANYWHERE );
- if( !p_object )
- {
- return VLC_ENOOBJ;
- }
- }
+ libvlc_lock (p_this->p_libvlc);
+ if( *psz_cmd == 't' )
+ {
+ char psz_foo[2 * MAX_DUMPSTRUCTURE_DEPTH + 1];
- libvlc_lock (p_this->p_libvlc);
- if( *psz_cmd == 't' )
- {
- char psz_foo[2 * MAX_DUMPSTRUCTURE_DEPTH + 1];
+ if( !p_object )
+ p_object = VLC_OBJECT(p_this->p_libvlc);
- if( !p_object )
- p_object = VLC_OBJECT(p_this->p_libvlc);
+ psz_foo[0] = '|';
+ DumpStructure( p_object, 0, psz_foo );
+ }
+ else if( *psz_cmd == 'v' )
+ {
+ int i;
- psz_foo[0] = '|';
- DumpStructure( p_object, 0, psz_foo );
- }
- else if( *psz_cmd == 'v' )
- {
- int i;
+ if( !p_object )
+ p_object = p_this->p_libvlc ? VLC_OBJECT(p_this->p_libvlc) : p_this;
- if( !p_object )
- p_object = p_this->p_libvlc ? VLC_OBJECT(p_this->p_libvlc) : p_this;
+ PrintObject( p_object, "" );
- PrintObject( p_object, "" );
+ if( !vlc_internals( p_object )->i_vars )
+ printf( " `-o No variables\n" );
+ for( i = 0; i < vlc_internals( p_object )->i_vars; i++ )
+ {
+ variable_t *p_var = vlc_internals( p_object )->p_vars + i;
+ const char *psz_type = "unknown";
- if( !vlc_internals( p_object )->i_vars )
- printf( " `-o No variables\n" );
- for( i = 0; i < vlc_internals( p_object )->i_vars; i++ )
+ switch( p_var->i_type & VLC_VAR_TYPE )
{
- variable_t *p_var = vlc_internals( p_object )->p_vars + i;
-
- const char *psz_type = "unknown";
- switch( p_var->i_type & VLC_VAR_TYPE )
- {
#define MYCASE( type, nice ) \
- case VLC_VAR_ ## type: \
- psz_type = nice; \
- break;
- MYCASE( VOID, "void" );
- MYCASE( BOOL, "bool" );
- MYCASE( INTEGER, "integer" );
- MYCASE( HOTKEY, "hotkey" );
- MYCASE( STRING, "string" );
- MYCASE( MODULE, "module" );
- MYCASE( FILE, "file" );
- MYCASE( DIRECTORY, "directory" );
- MYCASE( VARIABLE, "variable" );
- MYCASE( FLOAT, "float" );
- MYCASE( TIME, "time" );
- MYCASE( ADDRESS, "address" );
- MYCASE( MUTEX, "mutex" );
- MYCASE( LIST, "list" );
+ case VLC_VAR_ ## type: \
+ psz_type = nice; \
+ break;
+ MYCASE( VOID, "void" );
+ MYCASE( BOOL, "bool" );
+ MYCASE( INTEGER, "integer" );
+ MYCASE( HOTKEY, "hotkey" );
+ MYCASE( STRING, "string" );
+ MYCASE( MODULE, "module" );
+ MYCASE( FILE, "file" );
+ MYCASE( DIRECTORY, "directory" );
+ MYCASE( VARIABLE, "variable" );
+ MYCASE( FLOAT, "float" );
+ MYCASE( TIME, "time" );
+ MYCASE( ADDRESS, "address" );
+ MYCASE( MUTEX, "mutex" );
+ MYCASE( LIST, "list" );
#undef MYCASE
- }
- printf( " %c-o \"%s\" (%s",
- i + 1 == vlc_internals( p_object )->i_vars ? '`' : '|',
- p_var->psz_name, psz_type );
- if( p_var->psz_text )
- printf( ", %s", p_var->psz_text );
- printf( ")" );
- if( p_var->i_type & VLC_VAR_HASCHOICE )
- printf( ", has choices" );
- if( p_var->i_type & VLC_VAR_ISCOMMAND )
- printf( ", command" );
- if( p_var->i_entries )
- printf( ", %d callbacks", p_var->i_entries );
- switch( p_var->i_type & VLC_VAR_CLASS )
- {
- case VLC_VAR_VOID:
- case VLC_VAR_MUTEX:
- break;
- case VLC_VAR_BOOL:
- printf( ": %s", p_var->val.b_bool ? "true" : "false" );
- break;
- case VLC_VAR_INTEGER:
- printf( ": %d", p_var->val.i_int );
- break;
- case VLC_VAR_STRING:
- printf( ": \"%s\"", p_var->val.psz_string );
- break;
- case VLC_VAR_FLOAT:
- printf( ": %f", p_var->val.f_float );
- break;
- case VLC_VAR_TIME:
- printf( ": %"PRIi64, (int64_t)p_var->val.i_time );
- break;
- case VLC_VAR_ADDRESS:
- printf( ": %p", p_var->val.p_address );
- break;
- case VLC_VAR_LIST:
- printf( ": TODO" );
- break;
- }
- printf( "\n" );
}
- }
- libvlc_unlock (p_this->p_libvlc);
-
- if( *newval.psz_string )
- {
- vlc_object_release( p_object );
+ printf( " %c-o \"%s\" (%s",
+ i + 1 == vlc_internals( p_object )->i_vars ? '`' : '|',
+ p_var->psz_name, psz_type );
+ if( p_var->psz_text )
+ printf( ", %s", p_var->psz_text );
+ printf( ")" );
+ if( p_var->i_type & VLC_VAR_HASCHOICE )
+ printf( ", has choices" );
+ if( p_var->i_type & VLC_VAR_ISCOMMAND )
+ printf( ", command" );
+ if( p_var->i_entries )
+ printf( ", %d callbacks", p_var->i_entries );
+ switch( p_var->i_type & VLC_VAR_CLASS )
+ {
+ case VLC_VAR_VOID:
+ case VLC_VAR_MUTEX:
+ break;
+ case VLC_VAR_BOOL:
+ printf( ": %s", p_var->val.b_bool ? "true" : "false" );
+ break;
+ case VLC_VAR_INTEGER:
+ printf( ": %d", p_var->val.i_int );
+ break;
+ case VLC_VAR_STRING:
+ printf( ": \"%s\"", p_var->val.psz_string );
+ break;
+ case VLC_VAR_FLOAT:
+ printf( ": %f", p_var->val.f_float );
+ break;
+ case VLC_VAR_TIME:
+ printf( ": %"PRIi64, (int64_t)p_var->val.i_time );
+ break;
+ case VLC_VAR_ADDRESS:
+ printf( ": %p", p_var->val.p_address );
+ break;
+ case VLC_VAR_LIST:
+ printf( ": TODO" );
+ break;
+ }
+ printf( "\n" );
}
}
+ libvlc_unlock (p_this->p_libvlc);
+ if( *newval.psz_string )
+ {
+ vlc_object_release( p_object );
+ }
return VLC_SUCCESS;
}
p_tmp = p_this->p_parent;
if( p_tmp )
{
- if( p_tmp->psz_object_name
- && !strcmp( p_tmp->psz_object_name, psz_name ) )
+ if( !objnamecmp(p_tmp, psz_name) )
{
vlc_object_hold( p_tmp );
return p_tmp;
for( i = vlc_internals( p_this )->i_children; i--; )
{
p_tmp = vlc_internals( p_this )->pp_children[i];
- if( p_tmp->psz_object_name
- && !strcmp( p_tmp->psz_object_name, psz_name ) )
+ if( !objnamecmp(p_tmp, psz_name ) )
{
vlc_object_hold( p_tmp );
return p_tmp;
int canc = vlc_savecancel ();
memset( &psz_name, 0, sizeof(psz_name) );
- if( p_this->psz_object_name )
+ char *name = vlc_object_get_name(p_this);
+ if( name )
{
- snprintf( psz_name, 49, " \"%s\"", p_this->psz_object_name );
+ snprintf( psz_name, 49, " \"%s\"", name );
+ free( name );
if( psz_name[48] )
psz_name[48] = '\"';
}