source: mainline/uspace/lib/libc/include/unistd.h@ 22e6802

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 22e6802 was 22e6802, checked in by Martin Decky <martin@…>, 16 years ago

fix kernel thread_sleep() not to overflow thread_usleep()
introduce useconds_t
unify arguments names, cstyle

  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*
2 * Copyright (c) 2005 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libc
30 * @{
31 */
32/** @file
33 */
34
35#ifndef LIBC_UNISTD_H_
36#define LIBC_UNISTD_H_
37
38#include <sys/types.h>
39#include <libarch/config.h>
40
41#ifndef NULL
42 #define NULL 0
43#endif
44
45#define getpagesize() (PAGE_SIZE)
46
47#ifndef SEEK_SET
48 #define SEEK_SET 0
49 #define SEEK_CUR 1
50 #define SEEK_END 2
51#endif
52
53typedef uint32_t useconds_t;
54
55extern int dup2(int oldfd, int newfd);
56
57extern ssize_t write(int, const void *, size_t);
58extern ssize_t read(int, void *, size_t);
59
60extern off_t lseek(int, off_t, int);
61extern int ftruncate(int, off_t);
62
63extern int close(int);
64extern int fsync(int);
65extern int unlink(const char *);
66
67extern char *getcwd(char *buf, size_t);
68extern int rmdir(const char *);
69extern int chdir(const char *);
70
71extern void _exit(int status) __attribute__ ((noreturn));
72extern int usleep(useconds_t uses);
73extern unsigned int sleep(unsigned int se);
74
75#endif
76
77/** @}
78 */
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