method

check

v2_2_9 - Show latest stable - 0 notes - Class: PTY

1_8_6_287
1_8_7_72
1_8_7_330
1_9_1_378
1_9_2_180 (0)
1_9_3_125 (38)
1_9_3_392 (0)
2_1_10 (-9)
2_2_9 (0)
2_4_6 (0)
2_5_5 (0)
2_6_3 (0)
What's this?

check(p1, p2 = v2) public

Checks the status of the child process specified by pid. Returns nil if the process is still alive.

If the process is not alive, and raise was true, a PTY::ChildExited exception will be raised. Otherwise it will return a Process::Status instance.

`pid`	The process id of the process to check
`raise`	If `true` and the process identified by `pid` is no longer alive a PTY::ChildExited is raised.

Show source

static VALUE
pty_check(int argc, VALUE *argv, VALUE self)
{
    VALUE pid, exc;
    rb_pid_t cpid;
    int status;

    rb_scan_args(argc, argv, "11", &pid, &exc);
    cpid = rb_waitpid(NUM2PIDT(pid), &status, WNOHANG|WUNTRACED);
    if (cpid == -1 || cpid == 0) return Qnil;

    if (!RTEST(exc)) return rb_last_status_get();
    raise_from_check(cpid, status);

    UNREACHABLE;
}

check

Related methods