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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "primpl.h"
#include <string.h> /* for memset() */
/************************************************************************/
PRLock *_pr_flock_lock;
void _PR_InitIO(void)
{
const PRIOMethods *methods = PR_GetFileMethods();
_PR_InitFdCache();
_pr_flock_lock = PR_NewLock();
#ifdef WIN32
_pr_stdin = PR_AllocFileDesc((PRInt32)GetStdHandle(STD_INPUT_HANDLE),
methods);
_pr_stdout = PR_AllocFileDesc((PRInt32)GetStdHandle(STD_OUTPUT_HANDLE),
methods);
_pr_stderr = PR_AllocFileDesc((PRInt32)GetStdHandle(STD_ERROR_HANDLE),
methods);
#ifdef WINNT
_pr_stdin->secret->md.nonoverlapped = PR_TRUE;
_pr_stdout->secret->md.nonoverlapped = PR_TRUE;
_pr_stderr->secret->md.nonoverlapped = PR_TRUE;
#endif
#else
_pr_stdin = PR_AllocFileDesc(0, methods);
_pr_stdout = PR_AllocFileDesc(1, methods);
_pr_stderr = PR_AllocFileDesc(2, methods);
#endif
_PR_MD_INIT_IO();
}
PR_IMPLEMENT(PRFileDesc*) PR_GetSpecialFD(PRSpecialFD osfd)
{
PRFileDesc *result = NULL;
PR_ASSERT((int) osfd >= PR_StandardInput && osfd <= PR_StandardError);
if (!_pr_initialized) _PR_ImplicitInitialization();
switch (osfd)
{
case PR_StandardInput: result = _pr_stdin; break;
case PR_StandardOutput: result = _pr_stdout; break;
case PR_StandardError: result = _pr_stderr; break;
default:
(void)PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
}
return result;
}
PR_IMPLEMENT(PRFileDesc*) PR_AllocFileDesc(
PRInt32 osfd, const PRIOMethods *methods)
{
PRFileDesc *fd;
#ifdef XP_UNIX
/*
* Assert that the file descriptor is small enough to fit in the
* fd_set passed to select
*/
PR_ASSERT(osfd < FD_SETSIZE);
#endif
fd = _PR_Getfd();
if (fd) {
/* Initialize the members of PRFileDesc and PRFilePrivate */
fd->methods = methods;
fd->secret->state = _PR_FILEDESC_OPEN;
fd->secret->md.osfd = osfd;
} else {
PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
}
return fd;
}
PR_IMPLEMENT(void) PR_FreeFileDesc(PRFileDesc *fd)
{
PR_ASSERT(fd);
_PR_Putfd(fd);
}
/*
** Wait for some i/o to finish on one or more more poll descriptors.
*/
PR_IMPLEMENT(PRInt32) PR_Poll(PRPollDesc *pds, PRIntn npds, PRIntervalTime timeout)
{
return(_PR_MD_PR_POLL(pds, npds, timeout));
}
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