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Modify process semantics; rescheduling is now automatic.

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Add reference-counting to processes.

Add timer_running() test.
This commit is contained in:
Michael Brown
2007-05-26 15:00:56 +00:00
parent 6006bed530
commit 3601103381
5 changed files with 76 additions and 19 deletions
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10
src/net/retry.c
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@@ -64,7 +64,7 @@ static LIST_HEAD ( timers );
* be stopped and the timer's callback function will be called.
*/
void start_timer ( struct retry_timer *timer ) {
if ( ! timer->start )
if ( ! timer_running ( timer ) )
list_add ( &timer->list, &timers );
timer->start = currticks();
if ( timer->timeout < MIN_TIMEOUT )
@@ -86,7 +86,7 @@ void stop_timer ( struct retry_timer *timer ) {
unsigned long runtime;
/* If timer was already stopped, do nothing */
if ( ! timer->start )
if ( ! timer_running ( timer ) )
return;
list_del ( &timer->list );
@@ -153,7 +153,7 @@ static void timer_expired ( struct retry_timer *timer ) {
*
* @v process Retry timer process
*/
static void retry_step ( struct process *process ) {
static void retry_step ( struct process *process __unused ) {
struct retry_timer *timer;
struct retry_timer *tmp;
unsigned long now = currticks();
@@ -164,8 +164,6 @@ static void retry_step ( struct process *process ) {
if ( used >= timer->timeout )
timer_expired ( timer );
}
schedule ( process );
}
/** Retry timer process */
@@ -175,7 +173,7 @@ static struct process retry_process = {
/** Initialise the retry timer module */
static void init_retry ( void ) {
schedule ( &retry_process );
process_add ( &retry_process );
}
INIT_FN ( INIT_PROCESS, init_retry, NULL, NULL );