method

uid=

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uid=(p1) public

Sets the (integer) user ID for this process. Not available on all platforms.

/*
 *  call-seq:
 *     Process.uid= integer   => numeric
 *
 *  Sets the (integer) user ID for this process. Not available on all
 *  platforms.
 */

static VALUE
proc_setuid(obj, id)
    VALUE obj, id;
{
    int uid = NUM2INT(id);

    check_uid_switch();
#if defined(HAVE_SETRESUID) &&  !defined(__CHECKER__)
    if (setresuid(uid, -1, -1) < 0) rb_sys_fail(0);
#elif defined HAVE_SETREUID
    if (setreuid(uid, -1) < 0) rb_sys_fail(0);
#elif defined HAVE_SETRUID
    if (setruid(uid) < 0) rb_sys_fail(0);
#elif defined HAVE_SETUID
    {
        if (geteuid() == uid) {
            if (setuid(uid) < 0) rb_sys_fail(0);
        }
        else {
            rb_notimplement();
        }
    }
#else
    rb_notimplement();
#endif
    return INT2FIX(uid);
}

uid=

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