'Void lock acquire' presentation slideshows

Implementing Synchronization

323 views • 21 slides

Implementing Synchronization

219 views • 21 slides

Uniprocessor Locks, v1

void lock_acquire(struct lock *l) { while (1) { Disable interrupts; if (!l->locked) { l->locked = 1; Enable interrupts; return; } Enable interrupts; } } void lock_release(struct lock *l) {

233 views • 9 slides

Uniprocessor Locks, v1

void lock_acquire(struct lock *l) { while (1) { Disable interrupts; if (!l->locked) { l->locked = 1; Enable interrupts; return; } Enable interrupts; } } void lock_release(struct lock *l) {

147 views • 9 slides

Uniprocessor Locks

void lock_acquire ( struct lock *l) { intr_disable (); if (!l->locked) { l->locked = 1; } else { queue_add (&l->q, thread_current ()); thread_block (); } intr_enable (); } void lock_release ( struct lock *l) { intr_disable (); if ( queue_empty (&l->q) {

155 views • 7 slides

Uniprocessor Locks

void lock_acquire ( struct lock *l) { intr_disable (); if (!l->locked) { l->locked = 1; } else { queue_add (&l->q, thread_current ()); thread_block (); } intr_enable (); } void lock_release ( struct lock *l) { intr_disable (); if ( queue_empty (&l->q) {

135 views • 6 slides