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2aa62f2b | 1 | /** @file\r |
2 | Function declarations for UEFI "system calls".\r | |
3 | \r | |
4 | Concept derived from NetBSD's unistd.h file.\r | |
5 | \r | |
6 | Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r | |
7 | This program and the accompanying materials are licensed and made available under\r | |
8 | the terms and conditions of the BSD License that accompanies this distribution.\r | |
9 | The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php.\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | #ifndef _EFI_SYS_CALL_H\r | |
17 | #define _EFI_SYS_CALL_H\r | |
18 | \r | |
19 | #include <sys/EfiCdefs.h>\r | |
20 | #include <sys/types.h>\r | |
21 | \r | |
22 | struct stat; // Structure declared in <sys/stat.h>\r | |
23 | \r | |
24 | #define STDIN_FILENO 0 /* standard input file descriptor */\r | |
25 | #define STDOUT_FILENO 1 /* standard output file descriptor */\r | |
26 | #define STDERR_FILENO 2 /* standard error file descriptor */\r | |
27 | \r | |
28 | /* access function */\r | |
29 | #define F_OK 0 /* test for existence of file */\r | |
30 | #define X_OK 0x01 /* test for execute or search permission */\r | |
31 | #define W_OK 0x02 /* test for write permission */\r | |
32 | #define R_OK 0x04 /* test for read permission */\r | |
33 | \r | |
34 | /* whence values for lseek(2) */\r | |
35 | #define SEEK_SET 0 /* set file offset to offset */\r | |
36 | #define SEEK_CUR 1 /* set file offset to current plus offset */\r | |
37 | #define SEEK_END 2 /* set file offset to EOF plus offset */\r | |
38 | \r | |
39 | __BEGIN_DECLS\r | |
40 | \r | |
41 | /* EFI versions of BSD system calls used in stdio */\r | |
42 | extern int close (int fd);\r | |
43 | extern ssize_t read (int fd, void *buf, size_t n);\r | |
44 | extern ssize_t write (int fd, const void *buf, size_t n);\r | |
45 | extern int unlink (const char *name);\r | |
46 | extern int dup2 (int, int);\r | |
47 | extern int rmdir (const char *);\r | |
48 | extern int isatty (int);\r | |
49 | \r | |
50 | /* These system calls are also declared in sys/fcntl.h */\r | |
51 | #ifndef __FCNTL_SYSCALLS_DECLARED\r | |
52 | #define __FCNTL_SYSCALLS_DECLARED\r | |
53 | extern int open (const char *name, int oflags, int mode);\r | |
54 | extern int creat (const char *, mode_t);\r | |
55 | extern int fcntl (int, int, ...);\r | |
56 | #endif // __FCNTL_SYSCALLS_DECLARED\r | |
57 | \r | |
58 | /* These system calls are also declared in stat.h */\r | |
59 | #ifndef __STAT_SYSCALLS_DECLARED\r | |
60 | #define __STAT_SYSCALLS_DECLARED\r | |
61 | extern int mkdir (const char *, mode_t);\r | |
62 | extern int fstat (int, struct stat *);\r | |
63 | extern int lstat (const char *, struct stat *);\r | |
64 | extern int stat (const char *, void *);\r | |
65 | // extern int chmod (const char *, mode_t);\r | |
66 | #endif // __STAT_SYSCALLS_DECLARED\r | |
67 | \r | |
68 | // These are also declared in sys/types.h\r | |
69 | #ifndef __OFF_T_SYSCALLS_DECLARED\r | |
70 | #define __OFF_T_SYSCALLS_DECLARED\r | |
71 | extern off_t lseek (int, off_t, int);\r | |
72 | extern int truncate (const char *, off_t);\r | |
73 | extern int ftruncate (int, off_t); // IEEE Std 1003.1b-93\r | |
74 | #endif /* __OFF_T_SYSCALLS_DECLARED */\r | |
75 | \r | |
76 | /* These system calls don't YET have EFI implementations. */\r | |
77 | extern int access (const char *path, int amode);\r | |
78 | extern int chdir (const char *);\r | |
79 | extern char *getcwd (char *, size_t);\r | |
80 | extern int reboot (int, char *);\r | |
81 | \r | |
82 | __END_DECLS\r | |
83 | \r | |
84 | #endif /* _EFI_SYS_CALL_H */\r |