pintos-doxygen/html/wait-twice_8c_source.html

/** Wait for a subprocess to finish, twice.

   The first call must wait in the usual way and return the exit code.

   The second wait call must return -1 immediately. */


#include <syscall.h>

#include "tests/lib.h"

#include "tests/main.h"


void

test_main (void)

{

  pid_t child = exec ("child-simple");

  msg ("wait(exec()) = %d", wait (child));

  msg ("wait(exec()) = %d", wait (child));

}

wait
static void wait(struct intq *q, struct thread **waiter)

exec
pid_t exec(const char *file)
Definition: syscall.c:79

pid_t
int pid_t
Process identifier.
Definition: syscall.h:8

msg
void msg(const char *format,...)
Definition: lib.c:28

lib.h

main.h

test_main
void test_main(void)
Wait for a subprocess to finish, twice.
Definition: wait-twice.c:10