| #pragma once |
| |
| #include <sys/types.h> |
| #include <ros/limits.h> |
| #include <ros/time.h> |
| |
| /* This will change once we have a decent readdir / getdents syscall, and |
| * send the strlen along with the d_name. The sizes need rechecked too, since |
| * they are probably wrong. */ |
| struct kdirent { |
| __ino64_t d_ino; /* inode number */ |
| __off64_t d_off; /* offset to the next dirent */ |
| unsigned short d_reclen; /* length of this record */ |
| unsigned char d_type; |
| char d_name[MAX_FILENAME_SZ + 1]; /* filename */ |
| } __attribute__((aligned(8))); |
| |
| /* These stat sizes should match the types in stat.h and types.h and the sizes |
| * in typesizes in glibc (which we modified slightly). While glibc has it's own |
| * stat, we have this here so that the kernel is exporting the interface it |
| * expects. We #def stat for our own internal use at the end. */ |
| struct kstat { |
| __dev_t st_dev; /* Device. */ |
| __ino64_t st_ino; /* File serial number. */ |
| __mode_t st_mode; /* File mode. */ |
| __nlink_t st_nlink; /* Link count. */ |
| __uid_t st_uid; /* User ID of the file owner */ |
| __gid_t st_gid; /* Group ID of the file group */ |
| __dev_t st_rdev; /* Device number, if device. */ |
| __off64_t st_size; /* Size of file, in bytes. */ |
| __blksize_t st_blksize; /* Optimal block size for I/O */ |
| __blkcnt64_t st_blocks; /* Nr 512-byte blocks allocd. */ |
| struct timespec st_atim; /* Time of last access. */ |
| struct timespec st_mtim; /* Time of last modification */ |
| struct timespec st_ctim; /* Time of last status change */ |
| }; |
| |
| /* File access modes for open and fcntl. */ |
| #define O_READ 0x01 /* Open for reading */ |
| #define O_WRITE 0x02 /* Open for writing */ |
| #define O_EXEC 0x04 /* Open for exec */ |
| #define O_RDONLY O_READ /* Open read-only */ |
| #define O_WRONLY O_WRITE /* Open write-only */ |
| #define O_RDWR (O_READ | O_WRITE) /* Open read/write */ |
| #define O_ACCMODE 0x07 |
| |
| /* Bits OR'd into the second argument to open */ |
| #define O_CREAT 00000100 /* not fcntl */ |
| #define O_CREATE O_CREAT |
| #define O_EXCL 00000200 /* not fcntl */ |
| #define O_NOCTTY 00000400 /* not fcntl */ |
| #define O_TRUNC 00001000 /* not fcntl */ |
| #define O_APPEND 00002000 |
| #define O_NONBLOCK 00004000 |
| #define O_SYNC 00010000 |
| #define O_FSYNC O_SYNC |
| #define O_ASYNC 00020000 |
| #define O_DIRECT 00040000 /* Direct disk access. */ |
| #define O_PATH 00100000 /* Path only, no I/O */ |
| #define O_DIRECTORY 00200000 /* Must be a directory. */ |
| #define O_NOFOLLOW 00400000 /* Do not follow links. */ |
| #define O_NOATIME 01000000 /* Do not set atime. */ |
| #define O_CLOEXEC 02000000 /* Set close_on_exec. */ |
| #define O_REMCLO 04000000 /* Remove on close. */ |
| |
| /* Keep this value in sync with glibc (io/fcntl.h) */ |
| #define AT_FDCWD -100 |
| |
| #define F_DUPFD 0 /* Duplicate file descriptor */ |
| #define F_GETFD 1 /* Get file descriptor flags */ |
| #define F_SETFD 2 /* Set file descriptor flags */ |
| #define F_GETFL 3 /* Get file status flags */ |
| #define F_SETFL 4 /* Set file status flags */ |
| #define F_SYNC 101 /* fsync() */ |
| #define F_ADVISE 102 /* posix_fadvise{,64}() */ |
| #define F_CHANCTL_BASE 1000 |
| |
| /* We don't need a GET_FL. The caller has the chan / FID. If you have the |
| * chan, you already have the flags. It's not like when you have an FD and |
| * don't (yet) have the Unix struct file. */ |
| #define CCTL_SET_FL (F_CHANCTL_BASE + 0) |
| #define CCTL_SYNC (F_CHANCTL_BASE + 1) |
| #define CCTL_DEBUG (F_CHANCTL_BASE + 2) |
| |
| /* For F_[GET|SET]FD */ |
| #define FD_CLOEXEC 1 |
| #define FD_VALID_FLAGS (FD_CLOEXEC) |
| |
| /* Advise to `posix_fadvise'. */ |
| #define POSIX_FADV_NORMAL 0 /* No further special treatment */ |
| #define POSIX_FADV_RANDOM 1 /* Expect random page references */ |
| #define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references */ |
| #define POSIX_FADV_WILLNEED 3 /* Will need these pages */ |
| #define POSIX_FADV_DONTNEED 4 /* Don't need these pages */ |
| #define POSIX_FADV_NOREUSE 5 /* Data will be accessed once */ |
| |
| /* TODO: have userpsace use our stuff from bits/stats.h */ |
| #ifdef ROS_KERNEL |
| |
| /* Access mode bits (unistd.h) */ |
| #define R_OK 4 |
| #define W_OK 2 |
| #define X_OK 1 |
| #define F_OK 0 |
| |
| /* File creation modes (access controls) */ |
| #define S_IRWXU 00700 /* user (file owner) has read, write and execute perms */ |
| #define S_IRUSR 00400 /* user has read permission */ |
| #define S_IWUSR 00200 /* user has write permission */ |
| #define S_IXUSR 00100 /* user has execute permission */ |
| #define S_IRWXG 00070 /* group has read, write and execute permission */ |
| #define S_IRGRP 00040 /* group has read permission */ |
| #define S_IWGRP 00020 /* group has write permission */ |
| #define S_IXGRP 00010 /* group has execute permission */ |
| #define S_IRWXO 00007 /* others have read, write and execute permission */ |
| #define S_IROTH 00004 /* others have read permission */ |
| #define S_IWOTH 00002 /* others have write permission */ |
| #define S_IXOTH 00001 /* others have execute permission */ |
| #define S_PMASK 00777 /* mask for all perms */ |
| |
| /* File type is encoded in the file mode */ |
| #define __S_IFMT 000170000 /* These bits determine file type */ |
| /* File types */ |
| #define __S_IFDIR 000040000 /* Directory */ |
| #define __S_IFCHR 000020000 /* Character device */ |
| #define __S_IFBLK 000060000 /* Block device */ |
| #define __S_IFREG 000100000 /* Regular file */ |
| #define __S_IFIFO 000010000 /* FIFO */ |
| #define __S_IFLNK 000120000 /* Symbolic link */ |
| #define __S_IFSOCK 000140000 /* Socket */ |
| /* Protection bits */ |
| #define __S_ISUID 000004000 /* Set user ID on execution */ |
| #define __S_ISGID 000002000 /* Set group ID on execution */ |
| #define __S_ISVTX 000001000 /* Save swapped text after use (sticky) */ |
| #define __S_IREAD 000000400 /* Read by owner */ |
| #define __S_IWRITE 000000200 /* Write by owner */ |
| #define __S_IEXEC 000000100 /* Execute by owner */ |
| |
| /* Test macros for file types */ |
| #define __S_ISTYPE(mode, mask) (((mode) & __S_IFMT) == (mask)) |
| #define S_ISDIR(mode) __S_ISTYPE((mode), __S_IFDIR) |
| #define S_ISCHR(mode) __S_ISTYPE((mode), __S_IFCHR) |
| #define S_ISBLK(mode) __S_ISTYPE((mode), __S_IFBLK) |
| #define S_ISREG(mode) __S_ISTYPE((mode), __S_IFREG) |
| #define S_ISFIFO(mode) __S_ISTYPE((mode), __S_IFIFO) |
| #define S_ISLNK(mode) __S_ISTYPE((mode), __S_IFLNK) |
| |
| #endif /* ROS_KERNEL */ |
| |
| /* Non-standard bits */ |
| #define __S_NONSTD 077000000 /* Magic Akaros bits */ |
| #define __S_READABLE 001000000 /* File is readable */ |
| #define __S_WRITABLE 002000000 /* File is writable */ |
| |
| /* Test macros for non-standard bits */ |
| #define S_READABLE(mode) (((mode) & __S_READABLE) != 0) |
| #define S_WRITABLE(mode) (((mode) & __S_WRITABLE) != 0) |
