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