/*
* Start a user-mode thread (i.e., a process), using given user context.
* Returns pointer to the new thread if successful, null otherwise.
*/
struct Kernel_Thread*
Start_User_Thread(struct User_Context* userContext, bool detached)
{
/*
* Hints:
* - Use Create_Thread() to create a new "raw" thread object
* - Call Setup_User_Thread() to get the thread ready to
* execute in user mode
* - Call Make_Runnable_Atomic() to schedule the process
* for execution
*/
struct Kernel_Thread* kthread;
kthread = Create_Thread(PRIORITY_USER, detached);
if (kthread != 0) {
/*
* Create the initial context for the thread to make
* it schedulable.
*/
Setup_User_Thread(kthread, userContext);
/* Atomically put the thread on the run queue. */
Make_Runnable_Atomic(kthread);
}
return kthread;
}
/*
* Start a user-mode thread (i.e., a process), using given user context.
* Returns pointer to the new thread if successful, null otherwise.
*/
struct Kernel_Thread*
Start_User_Thread(struct User_Context* userContext, bool detached)
{
//lacki
/*
* Hints:
* - Use Create_Thread() to create a new "raw" thread object
* - Call Setup_User_Thread() to get the thread ready to
* execute in user mode
* - Call Make_Runnable_Atomic() to schedule the process
* for execution
*/
//TODO("Start user thread");
struct Kernel_Thread *pKernel_Thread = Create_Thread(PRIORITY_NORMAL, detached);
if (pKernel_Thread != 0)
{
Setup_User_Thread(pKernel_Thread, userContext);
Make_Runnable_Atomic(pKernel_Thread);
return pKernel_Thread;
}
else {
DEBUG("ERROR: Start_User_Thread - not able to create thread");
return 0;
}
}
/*
* Start a kernel-mode-only thread, using given function as its body
* and passing given argument as its parameter. Returns pointer
* to the new thread if successful, null otherwise.
*
* startFunc - is the function to be called by the new thread
* arg - is a paramter to pass to the new function
* priority - the priority of this thread (use PRIORITY_NORMAL) for
* most things
* detached - use false for kernel threads
*/
struct Kernel_Thread* Start_Kernel_Thread(
Thread_Start_Func startFunc,
ulong_t arg,
int priority,
bool detached
)
{
struct Kernel_Thread* kthread = Create_Thread(priority, detached);
if (kthread != 0) {
/*
* Create the initial context for the thread to make
* it schedulable.
*/
Setup_Kernel_Thread(kthread, startFunc, arg);
/* Atomically put the thread on the run queue. */
Make_Runnable_Atomic(kthread);
}
return kthread;
}
