The program shown in Figure 4.22 uses the Pthreads API. What would be the output from the program at LINE C and LINE P? #include #include int value - 0; void *runner(void *param); /* the thread */ int main(int argc, char *argv []) { pid_t pid; pthread_t tid; pthread attr_t attr; pid - fork(); if (pid -- 0) { /* child process */ pthread attr_init(&attr); pthread_create (&tid,&attr,runner,NULL); pthread_join(tid,NULL); printf("CHILD: value = %d",value); /* LINE C */ else if (pid > 0) { /* parent process */ wait(NÜLL); printf("PARENT: value = %d",value); /* LINE P */ } void runner (void *param) { value - 5; pthread exit (0); } Figure 4.22 C program for Exercise 4.19.

The program shown in Figure 4.22 uses the Pthreads API. What would be the output from the program at LINE C and LINE P? #include #include int value - 0; void runner(void param); /* the thread / int main(int argc, char argv []) { pid_t pid; pthread_t tid; pthread attr_t attr; pid - fork(); if (pid -- 0) { /* child process / pthread attr_init(&attr); pthread_create (&tid,&attr,runner,NULL); pthread_join(tid,NULL); printf("CHILD: value = %d",value); / LINE C / else if (pid > 0) { / parent process / wait(NÜLL); printf("PARENT: value = %d",value); / LINE P / } void runner (void param) { value - 5; pthread exit (0); } Figure 4.22 C program for Exercise 4.19.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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