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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Pascal Cuoq, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
#include <windows.h>
#include <mlvalues.h>
#include <alloc.h>
#include <memory.h>
#include <process.h>
#include "unixsupport.h"
#include <sys/types.h>
static value alloc_process_status(pid, status)
int pid, status;
{
value res, st;
if ((status & 0xFF) == 0) {
/* Normal termination: lo-byte = 0, hi-byte = child exit code */
st = alloc(1, 0);
Field(st, 0) = Val_int(status >> 8);
} else {
/* Abnormal termination: lo-byte = term status, hi-byte = 0 */
st = alloc(1, 1);
Field(st, 0) = Val_int(status & 0xFF);
}
Begin_root (st);
res = alloc_tuple(2);
Field(res, 0) = Val_int(pid);
Field(res, 1) = st;
End_roots();
return res;
}
value win_waitpid(flags, vpid_req) /* ML */
value flags, vpid_req;
{
int status, pid_req;
pid_req = Int_val(vpid_req);
if (_cwait(&status, pid_req, 0/* ignored by win32 */) == -1)
uerror("waitpid", Nothing);
return alloc_process_status(pid_req, status);
}
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