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/* threadinfo.c
*
* Routines to print out information about threads.
*/
#include "system.h"
#include <stdlib.h>
#define PTR unsigned int
#define PTR_MASK "0x%08x"
/*
* Return a pointer to a string describing the object type.
*/
const char * _Objects_Type_to_String( Objects_Control * object )
{
switch( _Objects_Get_class( object->id ) ) {
case OBJECTS_NO_CLASS:
return "NO_CLASS";
case OBJECTS_INTERNAL_THREADS:
return "INTERNAL_THREADS";
case OBJECTS_RTEMS_TASKS:
return "RTEMS_TASKS";
case OBJECTS_POSIX_THREADS:
return "POSIX_THREADS";
case OBJECTS_ITRON_TASKS:
return "ITRON_TASKS";
case OBJECTS_RTEMS_TIMERS:
return "RTEMS_TIMERS";
case OBJECTS_RTEMS_SEMAPHORES:
return "RTEMS_SEMAPHORES";
case OBJECTS_RTEMS_MESSAGE_QUEUES:
return "RTEMS_MESSAGE_QUEUES";
case OBJECTS_RTEMS_PARTITIONS:
return "RTEMS_PARTITIONS";
case OBJECTS_RTEMS_REGIONS:
return "RTEMS_REGIONS";
case OBJECTS_RTEMS_PORTS:
return "RTEMS_PORTS";
case OBJECTS_RTEMS_PERIODS:
return "RTEMS_PERIODS";
case OBJECTS_RTEMS_EXTENSIONS:
return "RTEMS_EXTENSIONS";
case OBJECTS_POSIX_KEYS:
return "POSIX_KEYS";
case OBJECTS_POSIX_INTERRUPTS:
return "POSIX_INTERRUPTS";
case OBJECTS_POSIX_MESSAGE_QUEUES:
return "POSIX_MESSAGE_QUEUES";
case OBJECTS_POSIX_MUTEXES:
return "POSIX_MUTEXES";
case OBJECTS_POSIX_SEMAPHORES:
return "POSIX_SEMAPHORES";
case OBJECTS_POSIX_CONDITION_VARIABLES:
return "POSIX_CONDITION_VARIABLES";
case OBJECTS_ITRON_EVENTFLAGS:
return "ITRON_EVENTFLAGS";
case OBJECTS_ITRON_MAILBOXES:
return "ITRON_MAILBOXES";
case OBJECTS_ITRON_MESSAGE_BUFFERS:
return "ITRON_MESSAGE_BUFFERS";
case OBJECTS_ITRON_PORTS:
return "ITRON_PORTS";
case OBJECTS_ITRON_SEMAPHORES:
return "ITRON_SEMAPHORES";
case OBJECTS_ITRON_VARIABLE_MEMORY_POOLS:
return "ITRON_VARIABLE_MEMORY_POOLS";
case OBJECTS_ITRON_FIXED_MEMORY_POOLS:
return "ITRON_FIXED_MEMORY_POOLS";
default:
return "UNKNOWN";
}
}
/*
* Return a pointer to a string describing the thread state
*/
const char * _Thread_State_to_String( States_Control state )
{
States_Control orig_state = state;
int i;
int first_entry = TRUE;
static char buffer[256];
static const char *desc[] = {
"READY", /* 0 - 0x00000 */
"DORMANT", /* 1 - 0x00001 */
"SUSPENDED", /* 2 - 0x00002 */
"TRANSIENT", /* 3 - 0x00004 */
"DELAYING", /* 4 - 0x00008 */
"WAITING_FOR_TIME", /* 5 - 0x00010 */
"WAITING_FOR_BUFFER", /* 6 - 0x00020 */
"WAITING_FOR_SEGMENT", /* 7 - 0x00040 */
"WAITING_FOR_MESSAGE", /* 8 - 0x00080 */
"WAITING_FOR_EVENT", /* 9 - 0x00100 */
"WAITING_FOR_SEMAPHORE", /* 10 - 0x00200 */
"WAITING_FOR_MUTEX", /* 11 - 0x00400 */
"WAITING_FOR_CONDITION_VARIABLE", /* 12 - 0x00800 */
"WAITING_FOR_JOIN_AT_EXIT", /* 13 - 0x01000 */
"WAITING_FOR_RPC_REPLY", /* 14 - 0x02000 */
"WAITING_FOR_PERIOD", /* 15 - 0x04000 */
"WAITING_FOR_SIGNAL", /* 16 - 0x08000 */
"INTERRUPTIBLE_BY_SIGNAL", /* 17 - 0x10000 */
"UNKNOWN" /* 18 - all higher bits */
};
if( state == STATES_READY )
return desc[0];
memset( buffer, '\0', sizeof( buffer ) );
for ( i = 1; i < 18; i++ ) {
if ( state & 0x1 ) {
if ( !first_entry ) {
strcat ( buffer, " | " );
}
strcat ( buffer, desc[i] );
first_entry = FALSE;
}
state = state >> 1;
}
if ( state != 0 ) {
if ( !first_entry ) {
strcat ( buffer, " | " );
}
strcat ( buffer, desc[18] );
}
return buffer;
}
/*
* Callback function to print out thread Ids, thread priorities, and thread stack
* information.
*/
unsigned32 print_thread_info( Thread_Control *thread, void * arg )
{
printf( "Thread ID 0x%08x at "PTR_MASK"\n", thread->Object.id, (PTR)thread );
printf( "\ttype = %s\n", _Objects_Type_to_String( &(thread->Object) ) );
printf( "\tstate = %s\n", _Thread_State_to_String( thread->current_state ) );
printf( "\treal priority = %d\n", thread->real_priority );
printf( "\tcurrent priority = %d\n", thread->current_priority );
printf( "\tstack base = "PTR_MASK"\n", (PTR)thread->Start.Initial_stack.area );
printf( "\tstack size = 0x%08x\n", thread->Start.Initial_stack.size );
/* printf( "\tstack pointer = "PTR_MASK"\n", */
printf( "\n" );
return 0;
}
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