Changeset 446 for trunk/kernel/kern


Ignore:
Timestamp:
Jun 19, 2018, 5:12:57 PM (7 years ago)
Author:
alain
Message:

miscelaneous...

Location:
trunk/kernel/kern
Files:
6 edited

Legend:

Unmodified
Added
Removed

  • trunk/kernel/kern/chdev.c

    r440 r446  
    198198    hal_disable_irq( &save_sr );
    199199
    200     // take the lock
     200    // take the lock protecting chdev waiting queue
    201201    remote_spinlock_lock( lock_xp );
    202202
    … …  
    204204    thread_block( XPTR( local_cxy , CURRENT_THREAD ) , THREAD_BLOCKED_IO );
    205205
     206    // unblock server thread if required
    206207    if( hal_remote_lw( blocked_xp ) & THREAD_BLOCKED_IDLE )
    207208    thread_unblock( server_xp , THREAD_BLOCKED_IDLE );

  • trunk/kernel/kern/printk.c

    r445 r446  
    2828#include <remote_spinlock.h>
    2929#include <cluster.h>
     30#include <thread.h>
    3031#include <chdev.h>
    3132#include <printk.h>
    … …  
    399400        chdev_t * txt0_ptr = GET_PTR( txt0_xp );
    400401
    401         // get extended pointer on remote TXT0 chdev lock
     402        // get extended pointer on remote TXT0 lock
    402403        xptr_t  lock_xp = XPTR( txt0_cxy , &txt0_ptr->wait_lock );
    403404
    … …  
    406407
    407408        // call nolock_printk to print function_name
    408         nolock_printk("\n[PANIC] in %s : " , function_name );
     409        nolock_printk("\n[PANIC] on core[%x,%d] in %s : " ,
     410        local_cxy , CURRENT_THREAD->core->lid , function_name );
    409411
    410412        // call kernel_printf on TXT0, in busy waiting to print format
    … …  
    417419
    418420        // suicide
    419         sys_exit( EXIT_FAILURE );
     421        while( 1 ) asm volatile ("nop");
    420422    }
    421423}

  • trunk/kernel/kern/process.c

    r445 r446  
    392392    cxy_t       parent_cxy;
    393393    xptr_t      children_lock_xp;
     394    xptr_t      children_nr_xp;
    394395
    395396    pid_t       pid = process->pid;
    … …  
    421422        // get extended pointer on children_lock in parent process
    422423        children_lock_xp = XPTR( parent_cxy , &parent_ptr->children_lock );
     424        children_nr_xp   = XPTR( parent_cxy , &parent_ptr->children_nr );
    423425
    424426        // remove process from children_list
    425427        remote_spinlock_lock( children_lock_xp );
    426428        xlist_unlink( XPTR( local_cxy , &process->children_list ) );
     429            hal_remote_atomic_add( children_nr_xp , -1 );
    427430        remote_spinlock_unlock( children_lock_xp );
    428431    }
    … …  
    12371240    thread_t       * new_thread;              // local pointer on new thread
    12381241    xptr_t           parent_xp;               // extended pointer on parent process
     1242    process_t      * parent_ptr;              // local pointer on parent process
     1243    cxy_t            parent_cxy;              // parent process cluster identifier
     1244    xptr_t           children_lock_xp;        // extended pointer on children lock in parent
     1245    xptr_t           children_root_xp;        // extended pointer on children root in parent
     1246    xptr_t           children_nr_xp;          // extended pointer on children number in parent
     1247    thread_t       * parent_main_ptr;         // local pointer on parent main thread
     1248    xptr_t           parent_main_xp;          // extended pointer on parent main thread
    12391249    pthread_attr_t   attr;                    // new thread attributes
    12401250    lid_t            lid;                     // selected core local index
    12411251        error_t          error;                   // value returned by called functions
    12421252   
    1243     // get old_thread / old_process / PID / parent_xp
     1253    // get old_thread, old_process & PID
    12441254    old_thread  = CURRENT_THREAD;
    12451255    old_process = old_thread->process;
    12461256    pid         = old_process->pid;
    1247     parent_xp   = old_process->parent_xp;
    1248    
     1257
    12491258        // get .elf pathname from exec_info
    1250         path        = exec_info->path;
     1259        path = exec_info->path;
    12511260
    12521261    // this function must be executed by a thread running in owner cluster
    … …  
    12601269uint32_t cycle = (uint32_t)hal_get_cycles();
    12611270if( DEBUG_PROCESS_MAKE_EXEC < cycle )
    1262 printk("\n[DBG] %s : thread %x enters for process %x / %s / cycle %d\n",
    1263 __FUNCTION__, old_thread, pid, path, cycle );
    1264 #endif
     1271printk("\n[DBG] %s : thread %x in process %x enters / path %s / cycle %d\n",
     1272__FUNCTION__, old_thread->trdid, pid, path, cycle );
     1273#endif
     1274
     1275    // get parent process pointers
     1276    parent_xp   = old_process->parent_xp;
     1277    parent_cxy  = GET_CXY( parent_xp );
     1278    parent_ptr  = GET_PTR( parent_xp );
     1279   
     1280#if (DEBUG_PROCESS_MAKE_EXEC & 1)
     1281if( DEBUG_PROCESS_MAKE_EXEC < cycle )
     1282printk("\n[DBG] %s : thread %x in process %x get parent process %x in cluster %x\n",
     1283__FUNCTION__, old_thread->trdid, pid, parent_ptr, parent_cxy );
     1284#endif
     1285
     1286    // get extended pointers on parent children_root, children_lock and children_nr
     1287    children_root_xp = XPTR( parent_cxy , &parent_ptr->children_root );
     1288    children_lock_xp = XPTR( parent_cxy , &parent_ptr->children_lock );
     1289    children_nr_xp   = XPTR( parent_cxy , &parent_ptr->children_nr   );
     1290
     1291    // get pointers on the parent process main thread
     1292    parent_main_ptr = hal_remote_lpt( XPTR( parent_cxy , &parent_ptr->th_tbl[0] ) );
     1293    parent_main_xp  = XPTR( parent_cxy , parent_main_ptr );
    12651294
    12661295     // allocate memory for new_process descriptor
    … …  
    12981327cycle = (uint32_t)hal_get_cycles();
    12991328if( DEBUG_PROCESS_MAKE_EXEC < cycle )
    1300 printk("\n[DBG] %s : thread %x created new process %x / cycle %d \n",
    1301 __FUNCTION__ , old_thread , new_process , cycle );
     1329printk("\n[DBG] %s : thread %x in process %x created new process %x\n",
     1330__FUNCTION__ , old_thread->trdid, pid, new_process );
    13021331#endif
    13031332
    … …  
    13581387#endif
    13591388
    1360     // get cluster and local pointer on parent process
    1361     process_t * parent_ptr = GET_PTR( parent_xp );
    1362     cxy_t       parent_cxy = GET_CXY( parent_xp );
    1363 
    1364     // get extended pointers on parent children_root, children_lock and children_nr
    1365     xptr_t root_xp = XPTR( parent_cxy , &parent_ptr->children_root );
    1366     xptr_t lock_xp = XPTR( parent_cxy , &parent_ptr->children_lock );
    1367     xptr_t nr_xp   = XPTR( parent_cxy , &parent_ptr->children_nr   );
    1368 
    13691389    // register new_process in parent children list
    1370     remote_spinlock_lock( lock_xp );
    1371         xlist_add_last( root_xp , XPTR( local_cxy , &new_process->children_list ) );
    1372         hal_remote_atomic_add( nr_xp , 1 );
    1373     remote_spinlock_unlock( lock_xp );
     1390    remote_spinlock_lock( children_lock_xp );
     1391        xlist_add_last( children_root_xp , XPTR( local_cxy , &new_process->children_list ) );
     1392        hal_remote_atomic_add( children_nr_xp , 1 );
     1393    remote_spinlock_unlock( children_lock_xp );
    13741394
    13751395    // activate new thread
    … …  
    13791399    process_txt_detach( XPTR( local_cxy , old_process ) );
    13801400
    1381     // block this old_thread
     1401    // block old_thread
    13821402    thread_block( XPTR( local_cxy , old_thread ) , THREAD_BLOCKED_GLOBAL );
    13831403
    1384     // atomically update old_process descriptor term_state to ask
    1385     // the parent process (wait() function) to delete this old_thread
     1404    // atomically update old_process termination state
    13861405    hal_atomic_or( &old_process->term_state , PROCESS_TERM_EXIT );
     1406
     1407    // take the children lock and unblock the parent process main thread
     1408    remote_spinlock_lock( children_lock_xp );
     1409    thread_unblock( parent_main_xp , THREAD_BLOCKED_WAIT );
     1410    remote_spinlock_unlock( children_lock_xp );
    13871411
    13881412    hal_fence();
    … …  
    16211645    if( txt_owner_xp == process_xp )
    16221646    {
    1623         nolock_printk("PID %X | PPID %X | STS %X | %s (FG) | %X | %d | %s\n",
     1647        nolock_printk("PID %X | PPID %X | TS %X | %s (FG) | %X | %d | %s\n",
    16241648        pid, ppid, state, txt_name, process_ptr, th_nr, elf_name );
    16251649    }
    16261650    else
    16271651    {
    1628         nolock_printk("PID %X | PPID %X | STS %X | %s (BG) | %X | %d | %s\n",
     1652        nolock_printk("PID %X | PPID %X | TS %X | %s (BG) | %X | %d | %s\n",
    16291653        pid, ppid, state, txt_name, process_ptr, th_nr, elf_name );
    16301654    }
    … …  
    16761700    xptr_t      lock_xp;      // extended pointer on list lock in chdev
    16771701
    1678 #if DEBUG_PROCESS_TXT_ATTACH
     1702#if DEBUG_PROCESS_TXT
    16791703uint32_t cycle = (uint32_t)hal_get_cycles();
    1680 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1704if( DEBUG_PROCESS_TXT < cycle )
    16811705printk("\n[DBG] %s : thread %x enter for process %x / txt_id = %d  / cycle %d\n",
    16821706__FUNCTION__, CURRENT_THREAD, process->pid, txt_id, cycle );
    … …  
    17051729    remote_spinlock_unlock( lock_xp );
    17061730
    1707 #if DEBUG_PROCESS_TXT_ATTACH
    1708 cycle = (uint32_t)hal_get_cycles();
    1709 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1731#if DEBUG_PROCESS_TXT
     1732cycle = (uint32_t)hal_get_cycles();
     1733if( DEBUG_PROCESS_TXT < cycle )
    17101734printk("\n[DBG] %s : thread %x exit for process %x / txt_id = %d / cycle %d\n",
    17111735__FUNCTION__, CURRENT_THREAD, process->pid, txt_id , cycle );
    … …  
    17351759    "process descriptor not in owner cluster" );
    17361760
    1737 #if DEBUG_PROCESS_TXT_ATTACH
     1761#if DEBUG_PROCESS_TXT
    17381762uint32_t cycle = (uint32_t)hal_get_cycles();
    1739 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1763if( DEBUG_PROCESS_TXT < cycle )
    17401764printk("\n[DBG] %s : thread %x enter for process %x / cycle %d\n",
    17411765__FUNCTION__, CURRENT_THREAD, process_pid, cycle );
    … …  
    17611785    remote_spinlock_unlock( lock_xp );
    17621786
    1763 #if DEBUG_PROCESS_TXT_ATTACH
     1787#if DEBUG_PROCESS_TXT
    17641788cycle  = (uint32_t)hal_get_cycles();
    17651789uint32_t txt_id = hal_remote_lw( XPTR( chdev_cxy , &chdev_ptr->channel ) );
    1766 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1790if( DEBUG_PROCESS_TXT < cycle )
    17671791printk("\n[DBG] %s : thread %x exit / process %x detached from TXT %d / cycle %d\n",
    17681792__FUNCTION__, CURRENT_THREAD, process_pid, txt_id, cycle );
    … …  
    17931817    "process descriptor not in owner cluster\n" );
    17941818
    1795 #if DEBUG_PROCESS_TXT_ATTACH
     1819#if DEBUG_PROCESS_TXT
    17961820uint32_t cycle = (uint32_t)hal_get_cycles();
    1797 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1821if( DEBUG_PROCESS_TXT < cycle )
    17981822printk("\n[DBG] %s : thread %x enter for process %x / cycle %d\n",
    17991823__FUNCTION__, CURRENT_THREAD, process_pid, cycle );
    … …  
    18111835    hal_remote_swd( XPTR( txt_cxy , &txt_ptr->ext.txt.owner_xp ) , process_xp );
    18121836
    1813 #if DEBUG_PROCESS_TXT_ATTACH
    1814 cycle = (uint32_t)hal_get_cycles();
    1815 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1837#if DEBUG_PROCESS_TXT
     1838cycle = (uint32_t)hal_get_cycles();
     1839if( DEBUG_PROCESS_TXT < cycle )
    18161840printk("\n[DBG] %s : thread %x exit for process %x / cycle %d\n",
    18171841__FUNCTION__, CURRENT_THREAD, process_pid, cycle );
    … …  
    18501874    "process descriptor not in owner cluster\n" );
    18511875
    1852 #if DEBUG_PROCESS_TXT_ATTACH
     1876#if DEBUG_PROCESS_TXT
    18531877uint32_t cycle = (uint32_t)hal_get_cycles();
    1854 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1878if( DEBUG_PROCESS_TXT < cycle )
    18551879printk("\n[DBG] %s : thread %x enter / process %x / cycle %d\n",
    18561880__FUNCTION__, CURRENT_THREAD, process_pid, cycle );
    … …  
    18691893    txt_id   = hal_remote_lw ( XPTR( txt_cxy , &txt_ptr->channel ) );
    18701894
    1871 #if( DEBUG_PROCESS_TXT_ATTACH & 1 )
    1872 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1895#if( DEBUG_PROCESS_TXT & 1 )
     1896if( DEBUG_PROCESS_TXT < cycle )
    18731897printk("\n[DBG] %s : file_ptr %x / txt_ptr %x / txt_id %d / owner_ptr = %x\n",
    18741898__FUNCTION__, GET_PTR(file_xp), txt_ptr, txt_id, GET_PTR(owner_xp) );
    … …  
    18881912        {
    18891913
    1890 #if( DEBUG_PROCESS_TXT_ATTACH & 1 )
    1891 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1914#if( DEBUG_PROCESS_TXT & 1 )
     1915if( DEBUG_PROCESS_TXT < cycle )
    18921916printk("\n[DBG] %s : process is not the KSH process => search the KSH\n", __FUNCTION__ );
    18931917#endif
    … …  
    19071931                    hal_remote_swd( XPTR( txt_cxy , &txt_ptr->ext.txt.owner_xp ) , current_xp );
    19081932
    1909 #if DEBUG_PROCESS_TXT_ATTACH
    1910 cycle = (uint32_t)hal_get_cycles();
    1911 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1933#if DEBUG_PROCESS_TXT
     1934cycle = (uint32_t)hal_get_cycles();
     1935if( DEBUG_PROCESS_TXT < cycle )
    19121936printk("\n[DBG] %s : thread %x exit / process %x to KSH process %x / cycle %d\n",
    19131937__FUNCTION__, CURRENT_THREAD, process_pid,
    … …  
    19291953        {
    19301954
    1931 #if( DEBUG_PROCESS_TXT_ATTACH & 1 )
    1932 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1955#if( DEBUG_PROCESS_TXT & 1 )
     1956if( DEBUG_PROCESS_TXT < cycle )
    19331957printk("\n[DBG] %s : process is the KSH process => search another\n", __FUNCTION__ );
    19341958#endif
    … …  
    19491973                    hal_remote_swd( XPTR( txt_cxy , &txt_ptr->ext.txt.owner_xp ) , current_xp );
    19501974
    1951 #if DEBUG_PROCESS_TXT_ATTACH
    1952 cycle = (uint32_t)hal_get_cycles();
    1953 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1975#if DEBUG_PROCESS_TXT
     1976cycle = (uint32_t)hal_get_cycles();
     1977if( DEBUG_PROCESS_TXT < cycle )
    19541978printk("\n[DBG] %s : thread %x exit / KSH process %x to process %x / cycle %d\n",
    19551979__FUNCTION__, CURRENT_THREAD, process_pid,
    … …  
    19661990            hal_remote_swd( XPTR( txt_cxy , &txt_ptr->ext.txt.owner_xp ) , XPTR_NULL );
    19671991
    1968 #if DEBUG_PROCESS_TXT_ATTACH
    1969 cycle = (uint32_t)hal_get_cycles();
    1970 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     1992#if DEBUG_PROCESS_TXT
     1993cycle = (uint32_t)hal_get_cycles();
     1994if( DEBUG_PROCESS_TXT < cycle )
    19711995printk("\n[DBG] %s : thread %x exit / KSH process %x to nobody / cycle %d\n",
    19721996__FUNCTION__, CURRENT_THREAD, process_pid, cycle );
    … …  
    19782002    {
    19792003
    1980 #if DEBUG_PROCESS_TXT_ATTACH
    1981 cycle = (uint32_t)hal_get_cycles();
    1982 if( DEBUG_PROCESS_TXT_ATTACH < cycle )
     2004#if DEBUG_PROCESS_TXT
     2005cycle = (uint32_t)hal_get_cycles();
     2006if( DEBUG_PROCESS_TXT < cycle )
    19832007printk("\n[DBG] %s : thread %x exit / process %x is not TXT owner / cycle %d\n",
    19842008__FUNCTION__, CURRENT_THREAD, process_pid, cycle );

  • trunk/kernel/kern/process.h

    r445 r446  
    405405                            struct thread_s ** child_thread_ptr );
    406406
     407
    407408/********************   File Management Operations   ****************************************/
    408409
    … …  
    535536/*********************************************************************************************
    536537 * This function detach a process, identified by the <process_xp> argument,
    537  * from the list of process attached to a given TXT terminal. It transfer the TXT ownership,
    538  * if the detached process is the TXT owner.
    539  * The target process descriptor must be in the owner cluster, but the calling thread can
    540  * be running in any cluster.
     538 * from the list of process attached to a given TXT terminal. It transfer the TXT ownership
     539 * to another process, if the detached process is the TXT owner.
     540 * The process descriptor identified by the <process_xp> argument must be in the owner
     541 * cluster, but the calling thread can be running in any cluster.
    541542 *********************************************************************************************
    542543 * @ process_xp  : extended pointer on process descriptor.

  • trunk/kernel/kern/thread.c

    r443 r446  
    4242#include <ppm.h>
    4343#include <thread.h>
     44#include <rpc.h>
    4445
    4546//////////////////////////////////////////////////////////////////////////////////////
    … …  
    799800uint32_t cycle = (uint32_t)hal_get_cycles();
    800801if( DEBUG_THREAD_BLOCK < cycle )
    801 printk("\n[DBG] %s : thread %x blocked thread %x / cause %x / cycle %d\n",
    802 __FUNCTION__ , CURRENT_THREAD , ptr , cause , cycle );
     802printk("\n[@@@] %s : thread %x  in cxy %x blocked thread %x in cxy %x / cause %x / cycle %d\n",
     803__FUNCTION__ , CURRENT_THREAD , local_cxy , ptr , cxy , cause , cycle );
    803804#endif
    804805
    805806#if (DEBUG_THREAD_BLOCK & 1)
    806807if( DEBUG_THREAD_BLOCK < cycle )
    807 sched_display( ptr->core->lid );
     808{
     809    if( cxy == local_cxy)
     810    {
     811        sched_display( ptr->core->lid );
     812    }
     813    else
     814    {
     815        core_t * core = hal_remote_lpt( XPTR( cxy , &ptr->core ) );
     816        lid_t    lid  = hal_remote_lw ( XPTR( cxy , &core->lid ) );
     817        rpc_sched_display_client( cxy , lid );
     818    }
     819}
    808820#endif
    809821
    … …  
    825837uint32_t cycle = (uint32_t)hal_get_cycles();
    826838if( DEBUG_THREAD_BLOCK < cycle )
    827 printk("\n[DBG] %s : thread %x unblocked thread %x / cause %x / cycle %d\n",
    828 __FUNCTION__ , CURRENT_THREAD , ptr , cause , cycle );
     839printk("\n[@@@] %s : thread %x  in cxy %x unblocked thread %x in cxy %x / cause %x / cycle %d\n",
     840__FUNCTION__ , CURRENT_THREAD , local_cxy , ptr , cxy , cause , cycle );
    829841#endif
    830842
    831843#if (DEBUG_THREAD_BLOCK & 1)
    832844if( DEBUG_THREAD_BLOCK < cycle )
    833 sched_display( ptr->core->lid );
     845{
     846    if( cxy == local_cxy)
     847    {
     848        sched_display( ptr->core->lid );
     849    }
     850    else
     851    {
     852        core_t * core = hal_remote_lpt( XPTR( cxy , &ptr->core ) );
     853        lid_t    lid  = hal_remote_lw ( XPTR( cxy , &core->lid ) );
     854        rpc_sched_display_client( cxy , lid );
     855    }
     856}
    834857#endif
    835858
    … …  
    838861
    839862}  // end thread_unblock()
    840 
    841 /*
    842 
    843 ////////////////////////////////////
    844 void thread_kill( xptr_t  target_xp,
    845                   bool_t  is_exit,
    846                   bool_t  is_forced )
    847 {
    848     reg_t       save_sr;                // for critical section
    849     bool_t      attached;               // target thread in attached mode
    850     bool_t      join_done;              // joining thread arrived first
    851     xptr_t      killer_xp;              // extended pointer on killer thread (this)
    852     thread_t  * killer_ptr;             // pointer on killer thread (this)
    853     cxy_t       target_cxy;             // target thread cluster     
    854     thread_t  * target_ptr;             // pointer on target thread
    855     xptr_t      joining_xp;             // extended pointer on joining thread
    856     thread_t  * joining_ptr;            // pointer on joining thread
    857     cxy_t       joining_cxy;            // joining thread cluster
    858     pid_t       target_pid;             // target process PID
    859     cxy_t       owner_cxy;              // target process owner cluster
    860     trdid_t     target_trdid;           // target thread identifier
    861     ltid_t      target_ltid;            // target thread local index
    862     xptr_t      process_state_xp;       // extended pointer on <term_state> in process
    863 
    864     xptr_t      target_flags_xp;        // extended pointer on target thread <flags>
    865     xptr_t      target_join_lock_xp;    // extended pointer on target thread <join_lock>
    866     xptr_t      target_join_xp_xp;      // extended pointer on target thread <join_xp>
    867     xptr_t      target_process_xp;      // extended pointer on target thread <process>
    868 
    869     process_t * target_process;         // pointer on target thread process
    870 
    871     // get target thread pointer and cluster
    872     target_cxy = GET_CXY( target_xp );
    873     target_ptr = GET_PTR( target_xp );
    874 
    875     // get killer thread pointers
    876     killer_ptr = CURRENT_THREAD;
    877     killer_xp  = XPTR( local_cxy , killer_ptr );
    878 
    879 #if DEBUG_THREAD_DELETE
    880 uint32_t cycle  = (uint32_t)hal_get_cycles;
    881 if( DEBUG_THREAD_DELETE < cycle )
    882 printk("\n[DBG] %s : thread %x enter for target thread %x / cycle %d\n",
    883 __FUNCTION__, killer_ptr, target_ptr, cycle );
    884 #endif
    885 
    886     // block the target thread
    887     thread_block( target_xp , THREAD_BLOCKED_GLOBAL );
    888 
    889     // get target thread attached mode
    890     target_flags_xp = XPTR( target_cxy , &target_ptr->flags );
    891     attached = ((hal_remote_lw( target_flags_xp ) & THREAD_FLAG_DETACHED) == 0);
    892 
    893     // synchronize with the joining thread
    894     // if the target thread is attached && not forced
    895 
    896     if( attached  && (is_forced == false) )
    897     {
    898         // build extended pointers on target thread join fields
    899         target_join_lock_xp  = XPTR( target_cxy , &target_ptr->join_lock );
    900         target_join_xp_xp    = XPTR( target_cxy , &target_ptr->join_xp );
    901 
    902         // enter critical section
    903         hal_disable_irq( &save_sr );
    904 
    905         // take the join_lock in target thread descriptor
    906         remote_spinlock_lock( target_join_lock_xp );
    907 
    908         // get join_done from target thread descriptor
    909         join_done = ((hal_remote_lw( target_flags_xp ) & THREAD_FLAG_JOIN_DONE) != 0);
    910    
    911         if( join_done )     // joining thread arrived first
    912         {
    913             // get extended pointer on joining thread
    914             joining_xp  = (xptr_t)hal_remote_lwd( target_join_xp_xp );
    915             joining_ptr = GET_PTR( joining_xp );
    916             joining_cxy = GET_CXY( joining_xp );
    917            
    918             // reset the join_done flag in target thread
    919             hal_remote_atomic_and( target_flags_xp , ~THREAD_FLAG_JOIN_DONE );
    920 
    921             // unblock the joining thread
    922             thread_unblock( joining_xp , THREAD_BLOCKED_JOIN );
    923 
    924             // release the join_lock in target thread descriptor
    925             remote_spinlock_unlock( target_join_lock_xp );
    926 
    927             // restore IRQs
    928             hal_restore_irq( save_sr );
    929         }
    930         else                // this thread arrived first
    931         {
    932             // set the kill_done flag in target thread
    933             hal_remote_atomic_or( target_flags_xp , THREAD_FLAG_KILL_DONE );
    934 
    935             // block this thread on BLOCKED_JOIN
    936             thread_block( killer_xp , THREAD_BLOCKED_JOIN );
    937 
    938             // set extended pointer on killer thread in target thread
    939             hal_remote_swd( target_join_xp_xp , killer_xp );
    940 
    941             // release the join_lock in target thread descriptor
    942             remote_spinlock_unlock( target_join_lock_xp );
    943 
    944             // deschedule
    945             sched_yield( "killer thread wait joining thread" );
    946 
    947             // restore IRQs
    948             hal_restore_irq( save_sr );
    949         }
    950     }  // end if attached
    951 
    952     // - if the target thread is the main thread
    953     //   => synchronize with the parent process main thread
    954     // - if the target thread is not the main thread
    955     //   => simply mark the target thread for delete
    956 
    957     // get pointer on target thread process
    958     target_process_xp  = XPTR( target_cxy , &target_ptr->process );
    959     target_process     = (process_t *)hal_remote_lpt( target_process_xp );
    960 
    961         // get target process owner cluster
    962         target_pid = hal_remote_lw( XPTR( target_cxy , &target_process->pid ) );
    963     owner_cxy = CXY_FROM_PID( target_pid );
    964 
    965     // get target thread local index
    966     target_trdid = hal_remote_lw( XPTR( target_cxy , &target_ptr->trdid ) );
    967     target_ltid  = LTID_FROM_TRDID( target_trdid );
    968 
    969     if( (owner_cxy == target_cxy) && (target_ltid == 0) )     // main thread
    970     {
    971         // get extended pointer on term_state in target process owner cluster
    972         process_state_xp = XPTR( owner_cxy , &target_process->term_state );
    973 
    974         // set termination info in target process owner 
    975         if( is_exit ) hal_remote_atomic_or( process_state_xp , PROCESS_TERM_EXIT );
    976         else          hal_remote_atomic_or( process_state_xp , PROCESS_TERM_KILL );
    977 
    978 #if DEBUG_THREAD_DELETE
    979 cycle  = (uint32_t)hal_get_cycles;
    980 if( DEBUG_THREAD_DELETE < cycle )
    981 printk("\n[DBG] %s : thread %x exit for thread %x / main thread / cycle %d\n",
    982 __FUNCTION__, killer_ptr, target_ptr, cycle );
    983 #endif
    984 
    985     }
    986     else                                                      // main thread
    987     {
    988         // set the REQ_DELETE flag in target thread descriptor
    989         hal_remote_atomic_or( target_flags_xp , THREAD_FLAG_REQ_DELETE );
    990 
    991 #if DEBUG_THREAD_DELETE
    992 cycle  = (uint32_t)hal_get_cycles;
    993 if( DEBUG_THREAD_DELETE < cycle )
    994 printk("\n[DBG] %s : thread %x exit for thread %x / not the main thread / cycle %d\n",
    995 __FUNCTION__, killer_ptr, target_ptr, cycle );
    996 #endif
    997 
    998     }
    999 
    1000 }  // end thread_kill()
    1001 
    1002 */
    1003863
    1004864//////////////////////////////////////
    … …  
    1131991void thread_idle_func()
    1132992{
     993
     994#if DEBUG_THREAD_IDLE
     995uint32_t cycle;
     996#endif
     997
    1133998    while( 1 )
    1134999    {
    … …  
    11401005        {
    11411006
    1142 #if DEBUG_THREAD_IDLE
    1143 uint32_t cycle  = (uint32_t)hal_get_cycles;
    1144 thread_t * this = CURRENT_THREAD;
    1145 if( DEBUG_THREAD_IDLE < cycle )
    1146 printk("\n[DBG] %s : idle thread %x on core[%x,%d] goes to sleep / cycle %d\n",
    1147 __FUNCTION__, this, local_cxy, this->core->lid, cycle );
    1148 #endif
    1149 
    1150             hal_core_sleep();
    1151 
    1152 #if DEBUG_THREAD_IDLE
     1007#if (DEBUG_THREAD_IDLE & 1)
    11531008cycle  = (uint32_t)hal_get_cycles;
    11541009if( DEBUG_THREAD_IDLE < cycle )
    1155 printk("\n[DBG] %s : idle thread %x on core[%x,%d] wake up / cycle %d\n",
     1010printk("\n[DBG] %s : idle thread on core[%x,%d] goes to sleep / cycle %d\n",
     1011__FUNCTION__, local_cxy, CURRENT_THREAD->core->lid, cycle );
     1012#endif
     1013
     1014            hal_core_sleep();
     1015
     1016#if (DEBUG_THREAD_IDLE & 1)
     1017cycle  = (uint32_t)hal_get_cycles;
     1018if( DEBUG_THREAD_IDLE < cycle )
     1019printk("\n[DBG] %s : idle thread on core[%x,%d] wake up / cycle %d\n",
    11561020__FUNCTION__, this, local_cxy, this->core->lid, cycle );
    11571021#endif
    11581022
    11591023        }
     1024
     1025#if DEBUG_THREAD_IDLE
     1026sched_display( CURRENT_THREAD->core->lid );
     1027#endif     
    11601028
    11611029        // search a runable thread

  • trunk/kernel/kern/thread.h

    r443 r446  
    9191#define THREAD_BLOCKED_RPC       0x0200  /*! thread wait RPC completion               */
    9292#define THREAD_BLOCKED_ISR       0x0400  /*! thread DEV wait ISR                      */
    93 #define THREAD_BLOCKED_WAIT      0x0800  /*! thread parent wait child termination     */
     93#define THREAD_BLOCKED_WAIT      0x0800  /*! thread wait child process termination    */
    9494
    9595/***************************************************************************************
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