priority-donate-lower.c File Reference

#include <stdio.h>
#include "tests/threads/tests.h"
#include "threads/init.h"
#include "threads/synch.h"
#include "threads/thread.h"

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Functions
void	test_priority_donate_lower (void)
static void	acquire_thread_func (void *lock_)

Variables
static thread_func	acquire_thread_func
	The main thread acquires a lock. More...

Function Documentation

acquire_thread_func()

static void acquire_thread_func ( void *  lock_ )

static

Definition at line 43 of file priority-donate-lower.c.

References lock_acquire(), lock_release(), and msg().

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test_priority_donate_lower()

void test_priority_donate_lower

(

void

)

Definition at line 16 of file priority-donate-lower.c.

References acquire_thread_func, ASSERT, lock_acquire(), lock_init(), lock_release(), msg(), PRI_DEFAULT, thread_create(), thread_get_priority(), thread_mlfqs, and thread_set_priority().

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Variable Documentation

acquire_thread_func

thread_func acquire_thread_func

static

The main thread acquires a lock.

Then it creates a higher-priority thread that blocks acquiring the lock, causing it to donate their priorities to the main thread. The main thread attempts to lower its priority, which should not take effect until the donation is released.

Definition at line 13 of file priority-donate-lower.c.

Referenced by test_priority_donate_lower().