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server: Retrieve the Unix thread affinity for the initial thread.

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This commit is contained in:
Alexandre Julliard 2011-04-14 20:18:02 +02:00
parent 4fd8bab99e
commit 500d77245c
1 changed files with 23 additions and 2 deletions
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25
server/thread.c
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@ -190,7 +190,6 @@ static inline void init_thread_structure( struct thread *thread )
thread->state = RUNNING;
thread->exit_code = 0;
thread->priority = 0;
thread->affinity = ~0;
thread->suspend = 0;
thread->desktop_users = 0;
thread->token = NULL;
@ -432,6 +431,24 @@ int set_thread_affinity( struct thread *thread, affinity_t affinity )
return ret;
}
affinity_t get_thread_affinity( struct thread *thread )
{
affinity_t mask = 0;
#ifdef HAVE_SCHED_SETAFFINITY
if (thread->unix_tid != -1)
{
cpu_set_t set;
unsigned int i;
if (!sched_getaffinity( thread->unix_tid, sizeof(set), &set ))
for (i = 0; i < 8 * sizeof(mask); i++)
if (CPU_ISSET( i, &set )) mask |= 1 << i;
}
#endif
if (!mask) mask = ~0;
return mask;
}
#define THREAD_PRIORITY_REALTIME_HIGHEST 6
#define THREAD_PRIORITY_REALTIME_LOWEST -7
@ -1157,6 +1174,10 @@ DECL_HANDLER(init_thread)
process->peb = req->entry;
process->cpu = req->cpu;
reply->info_size = init_process( current );
if (!process->parent)
process->affinity = current->affinity = get_thread_affinity( current );
else
set_thread_affinity( current, current->affinity );
}
else
{
@ -1169,9 +1190,9 @@ DECL_HANDLER(init_thread)
process->unix_pid = -1; /* can happen with linuxthreads */
if (current->suspend + process->suspend > 0) stop_thread( current );
generate_debug_event( current, CREATE_THREAD_DEBUG_EVENT, &req->entry );
set_thread_affinity( current, current->affinity );
}
debug_level = max( debug_level, req->debug_level );
set_thread_affinity( current, current->affinity );
reply->pid = get_process_id( process );
reply->tid = get_thread_id( current );