jcs.org
fork of PCE focusing on macplus, supporting DaynaPort SCSI network emulation
1/*****************************************************************************
2 * pce *
3 *****************************************************************************/
4
5/*****************************************************************************
6 * File name: src/lib/sysdep.h *
7 * Created: 2006-06-19 by Hampa Hug <hampa@hampa.ch> *
8 * Copyright: (C) 2006-2025 Hampa Hug <hampa@hampa.ch> *
9 *****************************************************************************/
10
11/*****************************************************************************
12 * This program is free software. You can redistribute it and / or modify it *
13 * under the terms of the GNU General Public License version 2 as published *
14 * by the Free Software Foundation. *
15 * *
16 * This program is distributed in the hope that it will be useful, but *
17 * WITHOUT ANY WARRANTY, without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General *
19 * Public License for more details. *
20 *****************************************************************************/
21
22
23#ifndef PCE_LIB_SYSDEP_H
24#define PCE_LIB_SYSDEP_H 1
25
26
27#define PCE_BRK_STOP 1
28#define PCE_BRK_ABORT 2
29
30
31int pce_usleep (unsigned long usec);
32
33/*!***************************************************************************
34 * @short Get an interval in microseconds
35 *
36 * Returns the number of microseconds that passed since this function
37 * was called the last time with the same parameter.
38 *****************************************************************************/
39unsigned long pce_get_interval_us (unsigned long *val);
40
41void pce_srand (unsigned val);
42
43void pce_set_fd_interactive (int fd, int interactive);
44
45/*!***************************************************************************
46 * @short Check if a file descriptor is readable without blocking
47 * @param fd The file descriptor
48 * @param t Wait at most t milliseconds for fd to become readable
49 *****************************************************************************/
50int pce_fd_readable (int fd, int t);
51
52/*!***************************************************************************
53 * @short Check if a file descriptor is writeable without blocking
54 * @param fd The file descriptor
55 * @param t Wait at most t milliseconds for fd to become writeable
56 *****************************************************************************/
57int pce_fd_writeable (int fd, int t);
58
59int pce_file_exists (const char *name);
60
61void pce_start (unsigned *brk);
62
63void pce_stop (void);
64
65
66#endif