diff options
Diffstat (limited to 'process.c')
| -rw-r--r-- | process.c | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -1416,9 +1416,20 @@ rb_fork(status, chfunc, charg) /* * call-seq: + * Kernel.fork [{ block }] => fixnum or nil * Process.fork [{ block }] => fixnum or nil * - * See <code>Kernel::fork</code>. + * Creates a subprocess. If a block is specified, that block is run + * in the subprocess, and the subprocess terminates with a status of + * zero. Otherwise, the +fork+ call returns twice, once in + * the parent, returning the process ID of the child, and once in + * the child, returning _nil_. The child process can exit using + * <code>Kernel.exit!</code> to avoid running any + * <code>at_exit</code> functions. The parent process should + * use <code>Process.wait</code> to collect the termination statuses + * of its children or use <code>Process.detach</code> to register + * disinterest in their status; otherwise, the operating system + * may accumulate zombie processes. */ static VALUE |