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* [glibc] hurd 64bit: Fix flock fields types
@ 2023-05-01 13:07 Samuel Thibault
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From: Samuel Thibault @ 2023-05-01 13:07 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d5e2f9eaf7384ebf8f09831eb9fa15dad2ecf2c3
commit d5e2f9eaf7384ebf8f09831eb9fa15dad2ecf2c3
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Mon May 1 14:35:32 2023 +0200
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.
Diff:
---
sysdeps/mach/hurd/Makefile | 2 ++
sysdeps/mach/hurd/bits/fcntl.h | 28 +--------------
sysdeps/mach/hurd/bits/types/struct_flock.h | 46 ++++++++++++++++++++++++
sysdeps/mach/hurd/i386/bits/types/struct_flock.h | 46 ++++++++++++++++++++++++
4 files changed, 95 insertions(+), 27 deletions(-)
diff --git a/sysdeps/mach/hurd/Makefile b/sysdeps/mach/hurd/Makefile
index 8fb6baf09e..b585d57b78 100644
--- a/sysdeps/mach/hurd/Makefile
+++ b/sysdeps/mach/hurd/Makefile
@@ -209,6 +209,8 @@ sysdep_routines += f_setlk close_nocancel close_nocancel_nostatus \
xstat fxstat lxstat xstat64 fxstat64 lxstat64 \
xmknod xmknodat \
fxstatat fxstatat64
+
+sysdep_headers += bits/types/struct_flock.h
endif
ifeq (misc, $(subdir))
diff --git a/sysdeps/mach/hurd/bits/fcntl.h b/sysdeps/mach/hurd/bits/fcntl.h
index c24a819e02..74450b5c6a 100644
--- a/sysdeps/mach/hurd/bits/fcntl.h
+++ b/sysdeps/mach/hurd/bits/fcntl.h
@@ -190,33 +190,7 @@
#include <bits/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
+#include <bits/types/struct_flock.h>
/* Values for the `l_type' field of a `struct flock'. */
#define F_RDLCK 1 /* Read lock. */
diff --git a/sysdeps/mach/hurd/bits/types/struct_flock.h b/sysdeps/mach/hurd/bits/types/struct_flock.h
new file mode 100644
index 0000000000..9161c2cee4
--- /dev/null
+++ b/sysdeps/mach/hurd/bits/types/struct_flock.h
@@ -0,0 +1,46 @@
+/* flock structure. Generic 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
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short 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
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short 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
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
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