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Kernel+LibC: Update struct stat to use struct timespec instead of time_t

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Some programs unconditionally expect struct stat to have nanosecond support.
This commit is contained in:
Gunnar Beutner 2021-04-17 09:35:46 +02:00 committed by Andreas Kling
parent e6b396c248
commit c33592d28c
3 changed files with 42 additions and 34 deletions
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9
Kernel/FileSystem/InodeMetadata.h
View file

@ -117,9 +117,12 @@ struct InodeMetadata {
buffer.st_size = size;
buffer.st_blksize = block_size;
buffer.st_blocks = block_count;
buffer.st_atime = atime;
buffer.st_mtime = mtime;
buffer.st_ctime = ctime;
buffer.st_atim.tv_sec = atime;
buffer.st_atim.tv_nsec = 0;
buffer.st_mtim.tv_sec = mtime;
buffer.st_mtim.tv_nsec = 0;
buffer.st_ctim.tv_sec = ctime;
buffer.st_ctim.tv_nsec = 0;
return KSuccess;
}

36
Kernel/UnixTypes.h
View file

@ -451,20 +451,25 @@ struct termios {
speed_t c_ospeed;
};
struct timespec {
time_t tv_sec; /* Seconds */
long tv_nsec; /* Nanoseconds */
};
struct stat {
dev_t st_dev; /* ID of device containing file */
ino_t st_ino; /* inode number */
mode_t st_mode; /* protection */
nlink_t st_nlink; /* number of hard links */
uid_t st_uid; /* user ID of owner */
gid_t st_gid; /* group ID of owner */
dev_t st_rdev; /* device ID (if special file) */
off_t st_size; /* total size, in bytes */
blksize_t st_blksize; /* blocksize for file system I/O */
blkcnt_t st_blocks; /* number of 512B blocks allocated */
time_t st_atime; /* time of last access */
time_t st_mtime; /* time of last modification */
time_t st_ctime; /* time of last status change */
dev_t st_dev; /* ID of device containing file */
ino_t st_ino; /* inode number */
mode_t st_mode; /* protection */
nlink_t st_nlink; /* number of hard links */
uid_t st_uid; /* user ID of owner */
gid_t st_gid; /* group ID of owner */
dev_t st_rdev; /* device ID (if special file) */
off_t st_size; /* total size, in bytes */
blksize_t st_blksize; /* blocksize for file system I/O */
blkcnt_t st_blocks; /* number of 512B blocks allocated */
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 */
};
#define POLLIN (1u << 0)
@ -575,11 +580,6 @@ struct timeval {
suseconds_t tv_usec;
};
struct timespec {
time_t tv_sec;
long tv_nsec;
};
typedef enum {
P_ALL = 1,
P_PID,

31
Userland/Libraries/LibC/sys/stat.h
View file

@ -28,6 +28,7 @@
#include <sys/cdefs.h>
#include <sys/types.h>
#include <time.h>
__BEGIN_DECLS
@ -69,21 +70,25 @@ __BEGIN_DECLS
#define S_ISSOCK(m) (((m)&S_IFMT) == S_IFSOCK)
struct stat {
dev_t st_dev; /* ID of device containing file */
ino_t st_ino; /* inode number */
mode_t st_mode; /* protection */
nlink_t st_nlink; /* number of hard links */
uid_t st_uid; /* user ID of owner */
gid_t st_gid; /* group ID of owner */
dev_t st_rdev; /* device ID (if special file) */
off_t st_size; /* total size, in bytes */
blksize_t st_blksize; /* blocksize for file system I/O */
blkcnt_t st_blocks; /* number of 512B blocks allocated */
time_t st_atime; /* time of last access */
time_t st_mtime; /* time of last modification */
time_t st_ctime; /* time of last status change */
dev_t st_dev; /* ID of device containing file */
ino_t st_ino; /* inode number */
mode_t st_mode; /* protection */
nlink_t st_nlink; /* number of hard links */
uid_t st_uid; /* user ID of owner */
gid_t st_gid; /* group ID of owner */
dev_t st_rdev; /* device ID (if special file) */
off_t st_size; /* total size, in bytes */
blksize_t st_blksize; /* blocksize for file system I/O */
blkcnt_t st_blocks; /* number of 512B blocks allocated */
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 */
};
#define st_atime st_atim.tv_sec
#define st_mtime st_mtim.tv_sec
#define st_ctime st_ctim.tv_sec
mode_t umask(mode_t);
int chmod(const char* pathname, mode_t);
int fchmod(int fd, mode_t);