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Changes between 16 March 2010 - 6 April 2010

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Mutex system call fixed for multiple contenders
Userspace irq support extended to keyboard/mouse.
Scheduler modified for real-time irq tasks
This commit is contained in:
Bahadir Balban
2010-04-06 19:47:12 +03:00
parent 1a62b92a8d
commit 403a038845
75 changed files with 1137 additions and 579 deletions
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14
src/api/thread.c
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@@ -494,10 +494,22 @@ int sys_thread_control(unsigned int flags, struct task_ids *ids)
MAP_USR_RW, 1)) < 0)
return err;
if ((flags & THREAD_ACTION_MASK) != THREAD_CREATE)
if ((flags & THREAD_ACTION_MASK) != THREAD_CREATE) {
if (!(task = tcb_find(ids->tid)))
return -ESRCH;
/*
* Tasks may only operate on their children. They may
* also destroy themselves or any children.
*/
if ((flags & THREAD_ACTION_MASK) == THREAD_DESTROY &&
!task_is_child(task) && task != current)
return -EPERM;
if ((flags & THREAD_ACTION_MASK) != THREAD_DESTROY
&& !task_is_child(task))
return -EPERM;
}
if ((err = cap_thread_check(task, flags, ids)) < 0)
return err;