Help with linked list in C Post: 302509754

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Top Forums Programming Help with linked list in C Post 302509754 by disaster on Thursday 31st of March 2011 04:02:27 PM

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03-31-2011

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To be honest, I did not understand your last sentence.

Anyways it does not make much difference whether you want a new entry to be the first one (after the head) or the last one. It is all just rearranged the next pointer. In the first case you rearrange the pointer from the head element to your newly created one and from there to the previously first, in the latter case you just traverse the list and change the last pointer form NULL to the new entry, making sure that the pointer in the newly created element points to NULL

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kernel_thread_w_arg

kernel_thread_w_arg(9r) 												   kernel_thread_w_arg(9r)

NAME

       kernel_thread_w_arg - General: Starts a kernel thread with a calling argument passed in

SYNOPSIS

       thread_t kernel_thread_w_arg(
	       task_t task,
	       void (*start) (void),
	       void* argument );

ARGUMENTS

       Specifies  a  pointer to a task structure.  This pointer identifies the task in which the kernel_thread_w_arg routine starts the newly cre-
       ated kernel thread.  Specifies a pointer to a routine that is the entry point for the newly created kernel thread.  Specifies the  argument
       that kernel_thread_w_arg passes to the entry point specified in start.

DESCRIPTION

       The  kernel_thread_w_arg  routine  creates  and	starts a kernel thread in the specified task at the specified entry point with a specified
       argument. The kernel_thread_w_arg routine passes the specified argument to the newly created kernel thread.  The  kernel_thread_w_arg  rou-
       tine  creates and starts a kernel thread with timeshare scheduling. A kernel thread created with timeshare scheduling means that its prior-
       ity degrades if it consumes an inordinate amount of CPU resources.  A kernel module should call kernel_thread_w_arg only  for  long-running
       tasks. A kernel module should always attach a kernel thread to the ``first task.''

NOTES

       This routine is actually a convenience wrapper for the thread_create routine (which creates the kernel thread) and the thread_start routine
       (which starts the newly created kernel thread).

       The kernel_thread_w_arg routine behaves identically to kernel_isrthread except that with kernel_thread_w_arg you can pass  an  argument	to
       the entry point for the newly created kernel thread.

RETURN VALUES

       Upon  successful completion, kernel_thread_w_arg returns a pointer to the thread structure associated with the kernel thread started at the
       specified entry point. Kernel modules can use this pointer as a handle to a specific kernel thread in calls to other kernel threads-related
       routines.

SEE ALSO

       Routines: kernel_isrthread(9r), thread_create(9r), thread_start(9r)

       Data Structures: task(9s), thread(9s)

															   kernel_thread_w_arg(9r)