hurd 64bit: Fix flock fields types

The standards want l_type and l_whence to be short ints, see BZ 23081.

We can leave them ints on i386 for ABI compatibility, but avoid hitting the
issue on 64bit.

1 files changed, 46 insertions, 0 deletions

diff --git a/sysdeps/mach/hurd/i386/bits/types/struct_flock.h b/sysdeps/mach/hurd/i386/bits/types/struct_flock.h
new file mode 100644
index 0000000000..24305b0a25
--- /dev/null
+++ b/sysdeps/mach/hurd/i386/bits/types/struct_flock.h
@@ -0,0 +1,46 @@
+/* flock structure.  i386 version.
+   Copyright (C) 1993-2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library;  if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sys/types.h>
+
+/* The structure describing an advisory lock.  This is the type of the third
+   argument to `fcntl' for the F_GETLK, F_SETLK, and F_SETLKW requests.  */
+struct flock
+  {
+    int l_type;		/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
+#ifndef __USE_FILE_OFFSET64
+    __off_t l_start;	/* Offset where the lock begins.  */
+    __off_t l_len;	/* Size of the locked area; zero means until EOF.  */
+#else
+    __off64_t l_start;	/* Offset where the lock begins.  */
+    __off64_t l_len;	/* Size of the locked area; zero means until EOF.  */
+#endif
+    __pid_t l_pid;	/* Process holding the lock.  */
+  };
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+  {
+    int l_type;		/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.  */
+    int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
+    __off64_t l_start;	/* Offset where the lock begins.  */
+    __off64_t l_len;	/* Size of the locked area; zero means until EOF.  */
+    __pid_t l_pid;	/* Process holding the lock.  */
+  };
+#endif