ocaml/otherlibs/win32unix/createprocess.c

56 lines
1.9 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy and 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 "unixsupport.h"
/* From the Caml runtime */
extern char * searchpath(char * name);
value win_create_process_native(cmd, cmdline, env, fd1, fd2, fd3)
value cmd, cmdline, env, fd1, fd2, fd3;
{
PROCESS_INFORMATION pi;
STARTUPINFO si;
char * exefile, * envp;
exefile = searchpath(String_val(cmd));
if (exefile == NULL) exefile = String_val(cmd);
if (env != Val_int(0)) {
envp = String_val(Field(env, 0));
} else {
envp = NULL;
}
GetStartupInfo(&si);
si.dwFlags |= STARTF_USESTDHANDLES;
si.hStdInput = (HANDLE) _get_osfhandle(Int_val(fd1));
si.hStdOutput = (HANDLE) _get_osfhandle(Int_val(fd2));
si.hStdError = (HANDLE) _get_osfhandle(Int_val(fd3));
if (! CreateProcess(exefile, String_val(cmdline), NULL, NULL,
TRUE, 0, envp, NULL, &si, &pi)) {
_dosmaperr(GetLastError());
uerror("create_process", exefile);
}
return Val_int(pi.hProcess);
}
value win_create_process(argv, argn)
value * argv;
int argn;
{
return win_create_process_native(argv[0], argv[1], argv[2],
argv[3], argv[4], argv[5]);
}