* threads.c : threads implementation for the VideoLAN client
*****************************************************************************
* Copyright (C) 1999-2004 VideoLAN
- * $Id: threads.c,v 1.46 2004/02/20 17:20:01 massiot Exp $
+ * $Id$
*
* Authors: Jean-Marc Dressler <polux@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
/*****************************************************************************
* Global mutex for lazy initialization of the threads system
*****************************************************************************/
-static volatile int i_initializations = 0;
+static volatile unsigned i_initializations = 0;
+static volatile int i_status = VLC_THREADS_UNINITIALIZED;
+static vlc_object_t *p_root;
#if defined( PTH_INIT_IN_PTH_H )
#elif defined( ST_INIT_IN_ST_H )
*****************************************************************************/
int __vlc_threads_init( vlc_object_t *p_this )
{
- static volatile int i_status = VLC_THREADS_UNINITIALIZED;
-
libvlc_t *p_libvlc = (libvlc_t *)p_this;
int i_ret = VLC_SUCCESS;
#elif defined( ST_INIT_IN_ST_H )
#elif defined( UNDER_CE )
#elif defined( WIN32 )
- HINSTANCE hInstLib;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
pthread_mutex_lock( &once_mutex );
/* Dynamically get the address of SignalObjectAndWait */
if( GetVersion() < 0x80000000 )
{
+ HINSTANCE hInstLib;
+
/* We are running on NT/2K/XP, we can use SignalObjectAndWait */
hInstLib = LoadLibrary( "kernel32" );
if( hInstLib )
#elif defined( HAVE_CTHREADS_H )
#endif
- vlc_object_create( p_libvlc, VLC_OBJECT_ROOT );
+ p_root = vlc_object_create( p_libvlc, VLC_OBJECT_ROOT );
+ if( p_root == NULL )
+ i_ret = VLC_ENOMEM;
if( i_ret )
{
/*****************************************************************************
* vlc_threads_end: stop threads system
*****************************************************************************
- * FIXME: This function is far from being threadsafe. We should undo exactly
- * what we did above in vlc_threads_init.
+ * FIXME: This function is far from being threadsafe.
*****************************************************************************/
int __vlc_threads_end( vlc_object_t *p_this )
{
#if defined( PTH_INIT_IN_PTH_H )
+#elif defined( ST_INIT_IN_ST_H )
+#elif defined( UNDER_CE )
+#elif defined( WIN32 )
+#elif defined( HAVE_KERNEL_SCHEDULER_H )
+#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
+ pthread_mutex_lock( &once_mutex );
+#elif defined( HAVE_CTHREADS_H )
+#endif
+
+ if( i_initializations == 0 )
+ return VLC_EGENERIC;
+
i_initializations--;
+ if( i_initializations == 0 )
+ {
+ i_status = VLC_THREADS_UNINITIALIZED;
+ vlc_object_destroy( p_root );
+ }
+
+#if defined( PTH_INIT_IN_PTH_H )
if( i_initializations == 0 )
{
return ( pth_kill() == FALSE );
}
#elif defined( ST_INIT_IN_ST_H )
- i_initializations--;
-
#elif defined( UNDER_CE )
- i_initializations--;
-
#elif defined( WIN32 )
- i_initializations--;
-
#elif defined( HAVE_KERNEL_SCHEDULER_H )
- i_initializations--;
-
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
- pthread_mutex_lock( &once_mutex );
- i_initializations--;
pthread_mutex_unlock( &once_mutex );
-
#elif defined( HAVE_CTHREADS_H )
- i_initializations--;
-
#endif
return VLC_SUCCESS;
}
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
i_ret = pthread_create( &p_this->thread_id, NULL, func, p_data );
- if ( i_priority
#ifndef SYS_DARWIN
- && config_GetInt( p_this, "rt-priority" )
+ if ( config_GetInt( p_this, "rt-priority" ) )
#endif
- )
{
int i_error, i_policy;
struct sched_param param;
memset( ¶m, 0, sizeof(struct sched_param) );
i_priority += config_GetInt( p_this, "rt-offset" );
- if ( i_priority < 0 )
+ if ( i_priority <= 0 )
{
param.sched_priority = (-1) * i_priority;
i_policy = SCHED_OTHER;
i_priority = 0;
}
}
+#ifndef SYS_DARWIN
else
{
i_priority = 0;
}
+#endif
#elif defined( HAVE_CTHREADS_H )
p_this->thread_id = cthread_fork( (cthread_fn_t)func, (any_t)p_data );
p_this->b_thread = 1;
- msg_Dbg( p_this, "thread %d (%s) created at priority %d (%s:%d)",
- (int)p_this->thread_id, psz_name, i_priority,
+ msg_Dbg( p_this, "thread %u (%s) created at priority %d (%s:%d)",
+ (unsigned int)p_this->thread_id, psz_name, i_priority,
psz_file, i_line );
vlc_mutex_unlock( &p_this->object_lock );
}
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
- if ( i_priority
#ifndef SYS_DARWIN
- && config_GetInt( p_this, "rt-priority" )
+ if ( config_GetInt( p_this, "rt-priority" ) )
#endif
- )
{
int i_error, i_policy;
struct sched_param param;
memset( ¶m, 0, sizeof(struct sched_param) );
i_priority += config_GetInt( p_this, "rt-offset" );
- if ( i_priority < 0 )
+ if ( i_priority <= 0 )
{
param.sched_priority = (-1) * i_priority;
i_policy = SCHED_OTHER;
param.sched_priority = i_priority;
i_policy = SCHED_RR;
}
+ if ( !p_this->thread_id )
+ p_this->thread_id = pthread_self();
if ( (i_error = pthread_setschedparam( p_this->thread_id,
i_policy, ¶m )) )
{
#elif defined( ST_INIT_IN_ST_H )
i_ret = st_thread_join( p_this->thread_id, NULL );
-#elif defined( UNDER_CE )
- WaitForSingleObject( p_this->thread_id, INFINITE );
+#elif defined( UNDER_CE ) || defined( WIN32 )
+ HMODULE hmodule;
+ BOOL (WINAPI *OurGetThreadTimes)( HANDLE, FILETIME*, FILETIME*,
+ FILETIME*, FILETIME* );
+ FILETIME create_ft, exit_ft, kernel_ft, user_ft;
+ int64_t real_time, kernel_time, user_time;
-#elif defined( WIN32 )
WaitForSingleObject( p_this->thread_id, INFINITE );
+#if defined( UNDER_CE )
+ hmodule = GetModuleHandle( _T("COREDLL") );
+#else
+ hmodule = GetModuleHandle( _T("KERNEL32") );
+#endif
+ OurGetThreadTimes = (BOOL (WINAPI*)( HANDLE, FILETIME*, FILETIME*,
+ FILETIME*, FILETIME* ))
+ GetProcAddress( hmodule, _T("GetThreadTimes") );
+
+ if( OurGetThreadTimes &&
+ OurGetThreadTimes( p_this->thread_id,
+ &create_ft, &exit_ft, &kernel_ft, &user_ft ) )
+ {
+ real_time =
+ ((((int64_t)exit_ft.dwHighDateTime)<<32)| exit_ft.dwLowDateTime) -
+ ((((int64_t)create_ft.dwHighDateTime)<<32)| create_ft.dwLowDateTime);
+ real_time /= 10;
+
+ kernel_time =
+ ((((int64_t)kernel_ft.dwHighDateTime)<<32)|
+ kernel_ft.dwLowDateTime) / 10;
+
+ user_time =
+ ((((int64_t)user_ft.dwHighDateTime)<<32)|
+ user_ft.dwLowDateTime) / 10;
+
+ msg_Dbg( p_this, "thread times: "
+ "real "I64Fd"m%fs, kernel "I64Fd"m%fs, user "I64Fd"m%fs",
+ real_time/60/1000000,
+ (double)((real_time%(60*1000000))/1000000.0),
+ kernel_time/60/1000000,
+ (double)((kernel_time%(60*1000000))/1000000.0),
+ user_time/60/1000000,
+ (double)((user_time%(60*1000000))/1000000.0) );
+ }
+ CloseHandle( p_this->thread_id );
+
#elif defined( HAVE_KERNEL_SCHEDULER_H )
int32_t exit_value;
wait_for_thread( p_this->thread_id, &exit_value );
if( i_ret )
{
#ifdef HAVE_STRERROR
- msg_Err( p_this, "thread_join(%d) failed at %s:%d (%s)",
- (int)p_this->thread_id, psz_file, i_line,
+ msg_Err( p_this, "thread_join(%u) failed at %s:%d (%s)",
+ (unsigned int)p_this->thread_id, psz_file, i_line,
strerror(i_ret) );
#else
- msg_Err( p_this, "thread_join(%d) failed at %s:%d",
- (int)p_this->thread_id, psz_file, i_line );
+ msg_Err( p_this, "thread_join(%u) failed at %s:%d",
+ (unsigned int)p_this->thread_id, psz_file, i_line );
#endif
}
else
{
- msg_Dbg( p_this, "thread %d joined (%s:%d)",
- (int)p_this->thread_id, psz_file, i_line );
+ msg_Dbg( p_this, "thread %u joined (%s:%d)",
+ (unsigned int)p_this->thread_id, psz_file, i_line );
}
p_this->b_thread = 0;