method

getpgid

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getpgid(p1) public

Returns the process group ID for the given process id. Not available on all platforms.

   Process.getpgid(Process.ppid())   #=> 25527

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/*
 *  call-seq:
 *     Process.getpgid(pid)   => integer
 *
 *  Returns the process group ID for the given process id. Not
 *  available on all platforms.
 *
 *     Process.getpgid(Process.ppid())   #=> 25527
 */

static VALUE
proc_getpgid(obj, pid)
    VALUE obj, pid;
{
#if defined(HAVE_GETPGID) && !defined(__CHECKER__)
    int i;

    rb_secure(2);
    i = getpgid(NUM2INT(pid));
    if (i < 0) rb_sys_fail(0);
    return INT2NUM(i);
#else
    rb_notimplement();
#endif
}

getpgid

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