diff options
Diffstat (limited to 'hurd/hurd/fd.h')
| -rw-r--r-- | hurd/hurd/fd.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/hurd/hurd/fd.h b/hurd/hurd/fd.h index 809a73f5dd..9500a1b16d 100644 --- a/hurd/hurd/fd.h +++ b/hurd/hurd/fd.h @@ -59,6 +59,10 @@ extern struct mutex _hurd_dtable_lock; /* Locks those two variables. */ NULL. The cell is unlocked; when ready to use it, lock it and check for it being unused. */ +extern struct hurd_fd *_hurd_fd_get (int fd); + +#if defined __USE_EXTERN_INLINES && defined _LIBC +# if IS_IN (libc) _HURD_FD_H_EXTERN_INLINE struct hurd_fd * _hurd_fd_get (int fd) { @@ -91,6 +95,8 @@ _hurd_fd_get (int fd) return descriptor; } +# endif +#endif /* Evaluate EXPR with the variable `descriptor' bound to a pointer to the @@ -138,6 +144,9 @@ _hurd_fd_get (int fd) /* Check if ERR should generate a signal. Returns the signal to take, or zero if none. */ +extern int _hurd_fd_error_signal (error_t err); + +#ifdef __USE_EXTERN_INLINES _HURD_FD_H_EXTERN_INLINE int _hurd_fd_error_signal (error_t err) { @@ -154,11 +163,15 @@ _hurd_fd_error_signal (error_t err) return 0; } } +#endif /* Handle an error from an RPC on a file descriptor's port. You should always use this function to handle errors from RPCs made on file descriptor ports. Some errors are translated into signals. */ +extern error_t _hurd_fd_error (int fd, error_t err); + +#ifdef __USE_EXTERN_INLINES _HURD_FD_H_EXTERN_INLINE error_t _hurd_fd_error (int fd, error_t err) { @@ -171,20 +184,28 @@ _hurd_fd_error (int fd, error_t err) } return err; } +#endif /* Handle error code ERR from an RPC on file descriptor FD's port. Set `errno' to the appropriate error code, and always return -1. */ +extern int __hurd_dfail (int fd, error_t err); + +#ifdef __USE_EXTERN_INLINES _HURD_FD_H_EXTERN_INLINE int __hurd_dfail (int fd, error_t err) { errno = _hurd_fd_error (fd, err); return -1; } +#endif /* Likewise, but do not raise SIGPIPE on EPIPE if flags contain MSG_NOSIGNAL. */ +exern int __hurd_sockfail (int fd, int flags, error_t err); + +#ifdef __USE_EXTERN_INLINES _HURD_FD_H_EXTERN_INLINE int __hurd_sockfail (int fd, int flags, error_t err) { @@ -193,6 +214,7 @@ __hurd_sockfail (int fd, int flags, error_t err) errno = err; return -1; } +#endif /* Set up *FD to have PORT its server port, doing appropriate ctty magic. Does no locking or unlocking. */ @@ -258,6 +280,8 @@ extern int _hurd_select (int nfds, struct pollfd *pollfds, /* Apply AT_FLAGS on FLAGS, in preparation for calling __hurd_file_name_lookup. */ +#if defined __USE_EXTERN_INLINES && defined _LIBC +# if IS_IN (libc) _HURD_FD_H_EXTERN_INLINE error_t __hurd_at_flags (int *at_flags, int *flags) { @@ -274,6 +298,8 @@ __hurd_at_flags (int *at_flags, int *flags) return 0; } +# endif +#endif /* Variant of file_name_lookup used in *at function implementations. AT_FLAGS may only contain AT_SYMLINK_FOLLOW or AT_SYMLINK_NOFOLLOW, |