revert last two commits. vfork cannot be used in subroutine,

it trashes stack on return
This commit is contained in:
Denis Vlasenko
2008-07-01 15:59:42 +00:00
parent b111917972
commit 82604e9730
15 changed files with 55 additions and 50 deletions

View File

@@ -38,8 +38,10 @@ static void change_user(const struct passwd *pas)
static void edit_file(const struct passwd *pas, const char *file)
{
const char *ptr;
int pid = xvfork();
int pid = vfork();
if (pid < 0) /* failure */
bb_perror_msg_and_die("vfork");
if (pid) { /* parent */
wait4pid(pid);
return;
@@ -63,7 +65,9 @@ static int open_as_user(const struct passwd *pas, const char *file)
pid_t pid;
char c;
pid = xvfork();
pid = vfork();
if (pid < 0) /* ERROR */
bb_perror_msg_and_die("vfork");
if (pid) { /* PARENT */
if (wait4pid(pid) == 0) {
/* exitcode 0: child says it can read */