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Powers, Joshua
2022-10-17 20:08:46 -05:00
parent 6e2929a32a
commit 8a39f200a1
1 changed files with 2 additions and 2 deletions
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05-JurrasicPark/README.md
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@@ -109,13 +109,13 @@ sem_t mySemaphore;
// pass semaphore to car (1 at a time) // pass semaphore to car (1 at a time)
pthread_mutex_lock(&mailboxMutex); // wait for mailbox pthread_mutex_lock(&mailboxMutex); // wait for mailbox
sem_wait(&needPassenger); // wait for passenger request sem_wait(&needPassenger); // wait for passenger request
gMailbox = mySemaphore; // put semaphore in mailbox gMailbox = &mySemaphore; // put semaphore in mailbox
sem_post(&mailboxReady); // raise the mailbox flag sem_post(&mailboxReady); // raise the mailbox flag
sem_wait(&mailAcquired); // wait for delivery sem_wait(&mailAcquired); // wait for delivery
pthread_mutex_unlock(&mailboxMutex); // release mailbox pthread_mutex_unlock(&mailboxMutex); // release mailbox
/*Car Task Example*/ /*Car Task Example*/
sem_t passengerSems[3]; sem_t* passengerSems[3];
//... //...