int main() int status, i; pid_t pid; /* Parent creates N children */ for (i = 0; i < N; i++) if ((pid - Fork ()) -- 0) /+ Child / exit (100+i); 10 11 12 13 /* Parent reaps N children in no particular order +/ while ((pid - waitpid(-1, kstatus, 0)) > 0) ( if (WIFEXITED (status)) printf ("child Xd terminated normally with exit status-Xd\n", 14 16 17 pid, WEXITSTATUS (status)); 18 19 else printf ("child %d terminated abnormally\n", pid); 20 21 22 /* The only normal termination is if there are no more children */ if (errno != ECHILD) unix_error ("waitpid error"); 23 24 25 26 27 exit (0); 28

int main() int status, i; pid_t pid; /* Parent creates N children / for (i = 0; i < N; i++) if ((pid - Fork ()) -- 0) /+ Child / exit (100+i); 10 11 12 13 / Parent reaps N children in no particular order +/ while ((pid - waitpid(-1, kstatus, 0)) > 0) ( if (WIFEXITED (status)) printf ("child Xd terminated normally with exit status-Xd\n", 14 16 17 pid, WEXITSTATUS (status)); 18 19 else printf ("child %d terminated abnormally\n", pid); 20 21 22 /* The only normal termination is if there are no more children */ if (errno != ECHILD) unix_error ("waitpid error"); 23 24 25 26 27 exit (0); 28

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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