You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
473 B
23 lines
473 B
#include <stdio.h>
|
|
#include <ulib.h>
|
|
|
|
int
|
|
main(void) {
|
|
int pid, exit_code;
|
|
if ((pid = fork()) == 0) {
|
|
cprintf("fork ok.\n");
|
|
int i;
|
|
for (i = 0; i < 10; i ++) {
|
|
yield();
|
|
}
|
|
exit(0xbeaf);
|
|
}
|
|
assert(pid > 0);
|
|
assert(waitpid(-1, NULL) != 0);
|
|
assert(waitpid(pid, (void *)0xC0000000) != 0);
|
|
assert(waitpid(pid, &exit_code) == 0 && exit_code == 0xbeaf);
|
|
cprintf("badarg pass.\n");
|
|
return 0;
|
|
}
|
|
|