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Allow thread priority setting from inside kdl. Right now, a

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single priority 12 thread can make the whole GUI appear frozen.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21736 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen 2007-07-29 01:30:59 +00:00
parent 696c54d067
commit 4e7050cd09
1 changed files with 42 additions and 0 deletions
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42
src/system/kernel/thread.c
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@ -528,6 +528,47 @@ make_thread_unreal(int argc, char **argv)
}
static int
set_thread_prio(int argc, char **argv)
{
struct thread *thread;
struct hash_iterator i;
int32 id;
int32 prio;
if (argc > 3 || argc < 2) {
kprintf("usage: priority <priority> [thread-id]\n");
return 0;
}
prio = strtoul(argv[1], NULL, 0);
if (prio > B_MAX_PRIORITY)
prio = B_MAX_PRIORITY;
if (prio < B_MIN_PRIORITY)
prio = B_MIN_PRIORITY;
if (argc > 2)
id = strtoul(argv[2], NULL, 0);
else
id = thread_get_current_thread()->id;
hash_open(sThreadHash, &i);
while ((thread = hash_next(sThreadHash, &i)) != NULL) {
if (thread->id != id)
continue;
thread->priority = thread->next_priority = prio;
kprintf("thread 0x%lx set to priority %ld\n", id, prio);
break;
}
if (!thread)
kprintf("thread 0x%lx not found\n", id);
hash_close(sThreadHash, &i, false);
return 0;
}
static int
make_thread_suspended(int argc, char **argv)
{
@ -1638,6 +1679,7 @@ thread_init(kernel_args *args)
add_debugger_command("suspend", &make_thread_suspended, "suspend a thread");
add_debugger_command("resume", &make_thread_resumed, "resume a thread");
add_debugger_command("drop", &drop_into_debugger, "drop a thread into the user-debugger");
add_debugger_command("priority", &set_thread_prio, "set a thread priority");
return B_OK;
}