void main(void)
{
pid_t pid1, pid2, pid;
int status;
int i;
char buf[BUF_SIZE];
printf("*** Parent is about to fork process 1 ***\n");
if ((pid1 = fork()) < 0) {
printf("Failed to fork process 1\n");
exit(1);
}
else if (pid1 == 0)
ChildProcess("First", " ");
printf("*** Parent is about to fork process 2 ***\n");
if ((pid2 = fork()) < 0) {
printf("Failed to fork process 2\n");
exit(1);
}
else if (pid2 == 0)
ChildProcess("Second", " ");
ParentProcess();
sprintf(buf, "*** Parent enters waiting status .....\n");
write(1, buf, strlen(buf));
pid = wait(&status);
sprintf(buf, "*** Parent detects process %d was done ***\n", pid);
write(1, buf, strlen(buf));
pid = wait(&status);
printf("*** Parent detects process %d is done ***\n", pid);
printf("*** Parent exits ***\n");
exit(0);
}
void main(void)
{
pid_t pid;
pid = fork();
if (pid == 0)
ChildProcess();
else
ParentProcess();
}
void main(void)
{
pid_t pid;
pid = fork();
if (pid == -1)
{
printf ("Can't fork!!\n"); //обработчик ошибок при вызове fork
exit (-1);
}
else if (pid == 0)
ChildProcess();
else
ParentProcess();
}
int main()
{
int status;
pid_t pid;
mem_alloc = (int*) malloc(sizeof(int));
*mem_alloc = 1000;
pid = fork();
if (pid == 0)
ChildProcess();
else
ParentProcess();
wait(&status);
return 0;
}