diff options
Diffstat (limited to 'internal/syscallcompat/sys_linux.go')
| -rw-r--r-- | internal/syscallcompat/sys_linux.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/internal/syscallcompat/sys_linux.go b/internal/syscallcompat/sys_linux.go index 19d2c56..ffa5a97 100644 --- a/internal/syscallcompat/sys_linux.go +++ b/internal/syscallcompat/sys_linux.go @@ -28,6 +28,18 @@ const ( RENAME_NOREPLACE = unix.RENAME_NOREPLACE RENAME_WHITEOUT = unix.RENAME_WHITEOUT RENAME_EXCHANGE = unix.RENAME_EXCHANGE + + // On Darwin we use O_SYMLINK which allows opening a symlink itself. + // On Linux, we only have O_NOFOLLOW. + OpenatFlagNofollowSymlink = unix.O_NOFOLLOW + + // Only defined on Linux + ENODATA = unix.ENODATA + + // F_OFD_SETLKW only exists on Linux. On Darwin, fall back to F_SETLKW as a + // flawed replacement. + F_OFD_SETLKW = unix.F_OFD_SETLKW + F_OFD_SETLK = unix.F_OFD_SETLK ) var preallocWarn sync.Once @@ -68,6 +80,15 @@ func Mknodat(dirfd int, path string, mode uint32, dev int) (err error) { return syscall.Mknodat(dirfd, path, mode, dev) } +// Statx wraps the Statx syscall. +// Retries on EINTR. +func Statx(dirfd int, path string, flags int, mask int, st *unix.Statx_t) (err error) { + err = retryEINTR(func() error { + return unix.Statx(dirfd, path, flags, mask, st) + }) + return err +} + // Dup3 wraps the Dup3 syscall. We want to use Dup3 rather than Dup2 because Dup2 // is not implemented on arm64. func Dup3(oldfd int, newfd int, flags int) (err error) { |