fis-gtm/sr_unix_gnp/cmj_async.c

53 lines
1.3 KiB
C

/****************************************************************
* *
* Copyright 2001 Sanchez Computer Associates, Inc. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "cmidef.h"
#include "gtm_socket.h"
#include "gtm_fcntl.h"
#ifdef __sparc
#define BSD_COMP
#endif
#include <sys/ioctl.h>
#include <errno.h>
cmi_status_t cmj_set_async(int fd)
{
cmi_status_t status = SS_NORMAL;
int rval;
#if defined(FIOASYNC)
int val = 1;
rval = ioctl(fd, FIOASYNC, &val);
#elif defined(O_ASYNC)
rval = fcntl(fd, F_SETFL, O_ASYNC|O_NONBLOCK);
#elif defined(FASYNC)
rval = fcntl(fd, F_SETFL, FASYNC|O_NONBLOCK);
#else
#error Can not set async state on platform
#endif
if (rval < 0)
status = errno;
return status;
}
int cmj_reset_async(int fd)
{
cmi_status_t rval;
#if defined(FIOASYNC)
int val = 0;
rval = (cmi_status_t)ioctl(fd, FIOASYNC, &val);
#elif defined(O_ASYNC) || defined(FASYNC)
rval = (cmi_status_t)fcntl(fd, F_SETFL, O_NONBLOCK);
#else
#error Can not set async state on platform
#endif
return rval;
}