priority-donate-one.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_one (void)
static void	acquire1_thread_func (void *lock_)
static void	acquire2_thread_func (void *lock_)

Variables
static thread_func	acquire1_thread_func
	The main thread acquires a lock. More...
static thread_func	acquire2_thread_func

Function Documentation

acquire1_thread_func()

static void acquire1_thread_func ( void *  lock_ )

static

Definition at line 46 of file priority-donate-one.c.

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

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acquire2_thread_func()

static void acquire2_thread_func ( void *  lock_ )

static

Definition at line 57 of file priority-donate-one.c.

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

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test_priority_donate_one()

void test_priority_donate_one

(

void

)

Definition at line 22 of file priority-donate-one.c.

References acquire1_thread_func, acquire2_thread_func, ASSERT, lock_acquire(), lock_init(), lock_release(), msg(), PRI_DEFAULT, thread_create(), thread_get_priority(), and thread_mlfqs.

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Variable Documentation

acquire1_thread_func

thread_func acquire1_thread_func

static

The main thread acquires a lock.

Then it creates two higher-priority threads that block acquiring the lock, causing them to donate their priorities to the main thread. When the main thread releases the lock, the other threads should acquire it in priority order.

Based on a test originally submitted for Stanford's CS 140 in winter 1999 by Matt Franklin start.nosp@m.led@.nosp@m.lelan.nosp@m.d.st.nosp@m.anfor.nosp@m.d.ed.nosp@m.u, Greg Hutchins gmh@l.nosp@m.elan.nosp@m.d.sta.nosp@m.nfor.nosp@m.d.edu, Yu Ping Hu yph@c.nosp@m.s.st.nosp@m.anfor.nosp@m.d.ed.nosp@m.u. Modified by arens.

Definition at line 18 of file priority-donate-one.c.

Referenced by test_priority_donate_one().

acquire2_thread_func

thread_func acquire2_thread_func

static

Definition at line 19 of file priority-donate-one.c.

Referenced by test_priority_donate_one().