From 4f670845ff9ab6c48bcb5f7bf4d4ef6dc3c3064b Mon Sep 17 00:00:00 2001 From: manuel Date: Tue, 27 Mar 2012 11:51:08 +0200 Subject: reorganize file structure to match the upstream requirements --- pintos-progos/tests/threads/alarm-priority.c | 58 ---------------------------- 1 file changed, 58 deletions(-) delete mode 100644 pintos-progos/tests/threads/alarm-priority.c (limited to 'pintos-progos/tests/threads/alarm-priority.c') diff --git a/pintos-progos/tests/threads/alarm-priority.c b/pintos-progos/tests/threads/alarm-priority.c deleted file mode 100644 index 2288ff6..0000000 --- a/pintos-progos/tests/threads/alarm-priority.c +++ /dev/null @@ -1,58 +0,0 @@ -/* Checks that when the alarm clock wakes up threads, the - higher-priority threads run first. */ - -#include -#include "tests/threads/tests.h" -#include "threads/init.h" -#include "threads/malloc.h" -#include "threads/synch.h" -#include "threads/thread.h" -#include "devices/timer.h" - -static thread_func alarm_priority_thread; -static int64_t wake_time; -static struct semaphore wait_sema; - -void -test_alarm_priority (void) -{ - int i; - - /* This test does not work with the MLFQS. */ - ASSERT (!thread_mlfqs); - - wake_time = timer_ticks () + 5 * TIMER_FREQ; - sema_init (&wait_sema, 0); - - for (i = 0; i < 10; i++) - { - int priority = PRI_DEFAULT - (i + 5) % 10 - 1; - char name[16]; - snprintf (name, sizeof name, "priority %d", priority); - thread_create (name, priority, alarm_priority_thread, NULL); - } - - thread_set_priority (PRI_MIN); - - for (i = 0; i < 10; i++) - sema_down (&wait_sema); -} - -static void -alarm_priority_thread (void *aux UNUSED) -{ - /* Busy-wait until the current time changes. */ - int64_t start_time = timer_ticks (); - while (timer_elapsed (start_time) == 0) - continue; - - /* Now we know we're at the very beginning of a timer tick, so - we can call timer_sleep() without worrying about races - between checking the time and a timer interrupt. */ - timer_sleep (wake_time - timer_ticks ()); - - /* Print a message on wake-up. */ - msg ("Thread %s woke up.", thread_name ()); - - sema_up (&wait_sema); -} -- cgit v1.2.3