hurd: Mark error functions as __COLD

This should hopefully hint the compiler that they are unlikely
to be called.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-Id: <20230429131223.2507236-2-bugaevc@gmail.com>

diff --git a/hurd/hurd.h b/hurd/hurd.h
index eca4abb7186b34ad34be3205020054c61985bfe0..06f00e93d67bcd61c1339fdfb80fa1e8d1a72216 100644 (file)
--- a/hurd/hurd.h
+++ b/hurd/hurd.h
@@ -48,7 +48,7 @@
 #define _HURD_H_EXTERN_INLINE __extern_inline
 #endif
 
-extern int __hurd_fail (error_t err);
+extern int __hurd_fail (error_t err) __COLD;
 
 #ifdef __USE_EXTERN_INLINES
 _HURD_H_EXTERN_INLINE int

diff --git a/hurd/hurd/fd.h b/hurd/hurd/fd.h
index 472753513795d6d9a0a0dcdef6308cb3177d724d..824b7dbbae3729fb07febaeab0abb8c70e911738 100644 (file)
--- a/hurd/hurd/fd.h
+++ b/hurd/hurd/fd.h
@@ -149,7 +149,7 @@ _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);
+extern int _hurd_fd_error_signal (error_t err) __COLD;
 
 #ifdef __USE_EXTERN_INLINES
 _HURD_FD_H_EXTERN_INLINE int
@@ -174,7 +174,7 @@ _hurd_fd_error_signal (error_t err)
    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);
+extern error_t _hurd_fd_error (int fd, error_t err) __COLD;
 
 #ifdef __USE_EXTERN_INLINES
 _HURD_FD_H_EXTERN_INLINE error_t
@@ -194,7 +194,7 @@ _hurd_fd_error (int fd, error_t err)
 /* 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);
+extern int __hurd_dfail (int fd, error_t err) __COLD;
 
 #ifdef __USE_EXTERN_INLINES
 _HURD_FD_H_EXTERN_INLINE int
@@ -208,7 +208,7 @@ __hurd_dfail (int fd, error_t err)
 /* Likewise, but do not raise SIGPIPE on EPIPE if flags contain
    MSG_NOSIGNAL.  */
 
-extern int __hurd_sockfail (int fd, int flags, error_t err);
+extern int __hurd_sockfail (int fd, int flags, error_t err) __COLD;
 
 #ifdef __USE_EXTERN_INLINES
 _HURD_FD_H_EXTERN_INLINE int