Quiz on pthread basics

Pthreads Basics Quiz

A quiz on basics of pthreads

1. 1. Which header file needs to be used for pthread programming ?

pthreads.h
pthread.h
p_thread.h
posix.h


2. Pthreads are not useful in uniprocessor systems

False
True
Depends on the compiler
Depends on the processor


3. What are the flags that are passed while compiling a pthread program using gcc

-pthread
-lpthread
-gccpthread
-thread


4. Among the arguments passed to pthread API pthread_create the final argument, is.

Attributes of the thread
Name of the thread
Data being passed to the thread
Thread id


5. The data type used for storing the thread id is

pthread
pthread_t
p_thread_t
pthread_id


6. Which of the following APIs can be used for synchronization between threads

pthread_exit
pthread_cancel
pthread_self
pthread_join


7. To create a detachable thread which of the following structures needs to be modified

pthread_attr_t
pthread_t
pthread_attribute
attribute_t


8. pthread_self returns

The thread id
The thread attribute
Thread data
Thread running time


9. Two threads can be compared using the API

compare_pthreads
pthread_equal
pthread_compare
equal_pthread


10. pthread_create(&threads_id, NULL, Hello_world, NULL); creates a thread

Called Hello_world with default attributes
Called Hello_world with all attributes set to NULL
Called Hello with default attributes
Called Hello with all attributes set to NULL

Answers the quiz are available at : Answers to pthreads basic quiz