has been provided to you in the same project.
Computers and Technology, 20.02.2020 02:03 Yuii
A file named pthread-data-sharing-mutex. cpp
has been provided to you in the same project.
Compile the program and execute it several times, at least 10. Make sure to pay close attention to the output that the program produces.
Create a Word or Google Docs document.
In this document, answer the following questions about the program’s behavior:
1. What does it do?
2. What output does it produce?
3. Examine the program code carefully. Is the program functioning correctly?
4. If you do not think that the program is working correctly, describe why?
Include one screenshot of the program’s output. Your choice.
#include
#include
int count;
void* myFunction(void* arg)
{
int actual_arg = *((int*) arg);
for(unsigned int i = 0; i < 10; ++i) {
count++;
std::cout << "Thread #" << actual_arg << " count = " << count << std::endl;
}
pthread_exit(NULL);
}
int main()
{
int rc[2];
pthread_t ids[2];
int args[2];
count = 0;
for(unsigned int i = 0; i < 2; ++i) {
args[i] = i;
rc[i] = pthread_create(&ids[i], NULL, myFunction, (void*) &args[i]);
}
for(unsigned int i = 0; i < 2; ++i) {
pthread_join(ids[i], NULL);
}
std::cout << "Final count = " << count << std::endl;
pthread_exit(NULL);
}
Answers: 2
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A file named pthread-data-sharing-mutex. cpp
has been provided to you in the same project.
has been provided to you in the same project.
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