diff options
Diffstat (limited to 'c/src/exec/libcsupport/include/rtems/libio.h')
-rw-r--r-- | c/src/exec/libcsupport/include/rtems/libio.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/c/src/exec/libcsupport/include/rtems/libio.h b/c/src/exec/libcsupport/include/rtems/libio.h deleted file mode 100644 index 07d72620b1..0000000000 --- a/c/src/exec/libcsupport/include/rtems/libio.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * General purpose communication channel for RTEMS to allow UNIX/POSIX - * system call behavior on top of RTEMS IO devices. - * - * TODO - * stat(2) - * unlink(2) - * rename(2) - * - * $Id$ - */ - -#ifndef _RTEMS_LIBIO_H -#define _RTEMS_LIBIO_H - -typedef unsigned32 rtems_libio_offset_t; - -/* - * An open file data structure, indexed by 'fd' - * TODO: - * should really have a separate per/file data structure that this - * points to (eg: size, offset, driver, pathname should be in that) - */ - -typedef struct { - rtems_driver_name_t *driver; - rtems_libio_offset_t size; /* size of file */ - rtems_libio_offset_t offset; /* current offset into the file */ - unsigned32 flags; - char *pathname; /* opened pathname */ - Objects_Id sem; - unsigned32 data0; /* private to "driver" */ - unsigned32 data1; /* ... */ -} rtems_libio_t; - - -/* - * param block for read/write - * Note: it must include 'offset' instead of using iop's offset since - * we can have multiple outstanding i/o's on a device. - */ - -typedef struct { - rtems_libio_t *iop; - rtems_libio_offset_t offset; - unsigned8 *buffer; - unsigned32 count; - unsigned32 flags; - unsigned32 bytes_moved; -} rtems_libio_rw_args_t; - -/* - * param block for open/close - */ - -typedef struct { - rtems_libio_t *iop; - unsigned32 flags; - unsigned32 mode; -} rtems_libio_open_close_args_t; - -/* - * param block for ioctl - */ - -typedef struct { - rtems_libio_t *iop; - unsigned32 command; - void *buffer; - unsigned32 ioctl_return; -} rtems_libio_ioctl_args_t; - - -/* - * Values for 'flag' - */ - -#define LIBIO_FLAGS_NO_DELAY 0x0001 /* return immediately if no data */ -#define LIBIO_FLAGS_READ 0x0002 /* reading */ -#define LIBIO_FLAGS_WRITE 0x0004 /* writing */ -#define LIBIO_FLAGS_LINE_BUFFERED 0x0008 /* line buffered io (^h, ^u, etc) */ -#define LIBIO_FLAGS_OPEN 0x0100 /* device is open */ -#define LIBIO_FLAGS_APPEND 0x0200 /* all writes append */ -#define LIBIO_FLAGS_CREATE 0x0400 /* create file */ - -#define LIBIO_FLAGS_READ_WRITE (LIBIO_FLAGS_READ | LIBIO_FLAGS_WRITE) - -void rtems_libio_config(rtems_configuration_table *config, unsigned32 max_fds); -void rtems_libio_init(void); - -int __open(const char *pathname, unsigned32 flag, unsigned32 mode); -int __close(int fd); -int __read(int fd, void *buffer, unsigned32 count); -int __write(int fd, const void *buffer, unsigned32 count); -int __ioctl(int fd, unsigned32 command, void *buffer); -int __lseek(int fd, rtems_libio_offset_t offset, int whence); - -#endif /* _RTEMS_LIBIO_H */ |