mirror of https://github.com/acidanthera/audk.git
85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
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/** @file
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Function declarations for UEFI "system calls".
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Concept derived from NetBSD's unistd.h file.
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Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _EFI_SYS_CALL_H
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#define _EFI_SYS_CALL_H
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#include <sys/EfiCdefs.h>
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#include <sys/types.h>
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struct stat; // Structure declared in <sys/stat.h>
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#define STDIN_FILENO 0 /* standard input file descriptor */
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#define STDOUT_FILENO 1 /* standard output file descriptor */
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#define STDERR_FILENO 2 /* standard error file descriptor */
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/* access function */
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#define F_OK 0 /* test for existence of file */
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#define X_OK 0x01 /* test for execute or search permission */
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#define W_OK 0x02 /* test for write permission */
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#define R_OK 0x04 /* test for read permission */
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/* whence values for lseek(2) */
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#define SEEK_SET 0 /* set file offset to offset */
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#define SEEK_CUR 1 /* set file offset to current plus offset */
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#define SEEK_END 2 /* set file offset to EOF plus offset */
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__BEGIN_DECLS
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/* EFI versions of BSD system calls used in stdio */
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extern int close (int fd);
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extern ssize_t read (int fd, void *buf, size_t n);
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extern ssize_t write (int fd, const void *buf, size_t n);
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extern int unlink (const char *name);
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extern int dup2 (int, int);
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extern int rmdir (const char *);
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extern int isatty (int);
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/* These system calls are also declared in sys/fcntl.h */
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#ifndef __FCNTL_SYSCALLS_DECLARED
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#define __FCNTL_SYSCALLS_DECLARED
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extern int open (const char *name, int oflags, int mode);
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extern int creat (const char *, mode_t);
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extern int fcntl (int, int, ...);
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#endif // __FCNTL_SYSCALLS_DECLARED
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/* These system calls are also declared in stat.h */
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#ifndef __STAT_SYSCALLS_DECLARED
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#define __STAT_SYSCALLS_DECLARED
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extern int mkdir (const char *, mode_t);
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extern int fstat (int, struct stat *);
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extern int lstat (const char *, struct stat *);
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extern int stat (const char *, void *);
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// extern int chmod (const char *, mode_t);
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#endif // __STAT_SYSCALLS_DECLARED
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// These are also declared in sys/types.h
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#ifndef __OFF_T_SYSCALLS_DECLARED
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#define __OFF_T_SYSCALLS_DECLARED
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extern off_t lseek (int, off_t, int);
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extern int truncate (const char *, off_t);
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extern int ftruncate (int, off_t); // IEEE Std 1003.1b-93
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#endif /* __OFF_T_SYSCALLS_DECLARED */
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/* These system calls don't YET have EFI implementations. */
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extern int access (const char *path, int amode);
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extern int chdir (const char *);
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extern char *getcwd (char *, size_t);
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extern int reboot (int, char *);
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__END_DECLS
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#endif /* _EFI_SYS_CALL_H */
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