1272a6c488
Bring target_flock definitions to be more in sync with the way flock is defined in kernel. Basically, the rules from the kernel are: 1. Majority of architectures have a common flock definition. 2. Architectures with 32-bit MIPS ABIs have a sligtly different flock definition; those architectures are the only arcitectures that have HAVE_ARCH_STRUCT_FLOCK defined, and that preprocessor constant is used in the common header as a flag for including or not including common flock definition. 3. Sparc architectures also have a sligtly different flock definition, but the difference is only the padding at the end of the structure. The presence of that padding is determined by preprocessor constants __ARCH_FLOCK6_PAD and __ARCH_FLOCK64_PAD. QEMU linux-user already implements rules 1. and 3. in a very similar way as they are implemented in kernel. However, rule 2. is implemented in a dissimilar way (for example, the constant TARGET_HAVE_ARCH_STRUCT_FLOCK is missing), and this patch brings QEMU implementation much closer to the kernel implementation. TARGET_HAVE_ARCH_STRUCT_FLOCK64 constant is also introduced to mimic HAVE_ARCH_STRUCT_FLOCK64 from kernel, but it is not defined anywhere, however, this is the case with HAVE_ARCH_STRUCT_FLOCK64 in kernel as well. Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <1561718618-20218-5-git-send-email-aleksandar.markovic@rt-rk.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
154 lines
4.0 KiB
C
154 lines
4.0 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation, or (at your option) any
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* later version. See the COPYING file in the top-level directory.
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*/
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#ifndef GENERIC_FCNTL_H
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#define GENERIC_FCNTL_H
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/* <asm-generic/fcntl.h> values follow. */
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#define TARGET_O_ACCMODE 0003
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#define TARGET_O_RDONLY 00
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#define TARGET_O_WRONLY 01
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#define TARGET_O_RDWR 02
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#ifndef TARGET_O_CREAT
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#define TARGET_O_CREAT 0100 /* not fcntl */
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#endif
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#ifndef TARGET_O_EXCL
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#define TARGET_O_EXCL 0200 /* not fcntl */
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#endif
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#ifndef TARGET_O_NOCTTY
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#define TARGET_O_NOCTTY 0400 /* not fcntl */
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#endif
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#ifndef TARGET_O_TRUNC
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#define TARGET_O_TRUNC 01000 /* not fcntl */
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#endif
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#ifndef TARGET_O_APPEND
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#define TARGET_O_APPEND 02000
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#endif
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#ifndef TARGET_O_NONBLOCK
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#define TARGET_O_NONBLOCK 04000
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#endif
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#ifndef TARGET_O_DSYNC
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#define TARGET_O_DSYNC 010000
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#endif
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#ifndef TARGET_FASYNC
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#define TARGET_FASYNC 020000 /* fcntl, for BSD compatibility */
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#endif
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#ifndef TARGET_O_DIRECT
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#define TARGET_O_DIRECT 040000 /* direct disk access hint */
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#endif
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#ifndef TARGET_O_LARGEFILE
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#define TARGET_O_LARGEFILE 0100000
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#endif
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#ifndef TARGET_O_DIRECTORY
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#define TARGET_O_DIRECTORY 0200000 /* must be a directory */
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#endif
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#ifndef TARGET_O_NOFOLLOW
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#define TARGET_O_NOFOLLOW 0400000 /* don't follow links */
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#endif
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#ifndef TARGET_O_NOATIME
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#define TARGET_O_NOATIME 01000000
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#endif
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#ifndef TARGET_O_CLOEXEC
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#define TARGET_O_CLOEXEC 02000000
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#endif
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#ifndef TARGET___O_SYNC
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#define TARGET___O_SYNC 04000000
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#endif
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#ifndef TARGET_O_PATH
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#define TARGET_O_PATH 010000000
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#endif
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#ifndef TARGET___O_TMPFILE
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#define TARGET___O_TMPFILE 020000000
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#endif
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#ifndef TARGET_O_TMPFILE
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#define TARGET_O_TMPFILE (TARGET___O_TMPFILE | TARGET_O_DIRECTORY)
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#endif
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#ifndef TARGET_O_NDELAY
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#define TARGET_O_NDELAY TARGET_O_NONBLOCK
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#endif
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#ifndef TARGET_O_SYNC
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#define TARGET_O_SYNC (TARGET___O_SYNC | TARGET_O_DSYNC)
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#endif
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#define TARGET_F_DUPFD 0 /* dup */
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#define TARGET_F_GETFD 1 /* get close_on_exec */
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#define TARGET_F_SETFD 2 /* set/clear close_on_exec */
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#define TARGET_F_GETFL 3 /* get file->f_flags */
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#define TARGET_F_SETFL 4 /* set file->f_flags */
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#ifndef TARGET_F_GETLK
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#define TARGET_F_GETLK 5
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#define TARGET_F_SETLK 6
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#define TARGET_F_SETLKW 7
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#endif
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#ifndef TARGET_F_SETOWN
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#define TARGET_F_SETOWN 8 /* for sockets. */
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#define TARGET_F_GETOWN 9 /* for sockets. */
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#endif
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#ifndef TARGET_F_SETSIG
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#define TARGET_F_SETSIG 10 /* for sockets. */
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#define TARGET_F_GETSIG 11 /* for sockets. */
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#endif
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#ifndef TARGET_F_GETLK64
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#define TARGET_F_GETLK64 12 /* using 'struct flock64' */
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#define TARGET_F_SETLK64 13
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#define TARGET_F_SETLKW64 14
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#endif
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#ifndef TARGET_F_SETOWN_EX
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#define TARGET_F_SETOWN_EX 15
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#define TARGET_F_GETOWN_EX 16
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#endif
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struct target_f_owner_ex {
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int type; /* Owner type of ID. */
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int pid; /* ID of owner. */
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};
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#ifndef TARGET_F_RDLCK
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#define TARGET_F_RDLCK 0
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#define TARGET_F_WRLCK 1
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#define TARGET_F_UNLCK 2
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#endif
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#ifndef TARGET_F_EXLCK
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#define TARGET_F_EXLCK 4
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#define TARGET_F_SHLCK 8
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#endif
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#ifndef TARGET_HAVE_ARCH_STRUCT_FLOCK
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#ifndef TARGET_ARCH_FLOCK_PAD
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#define TARGET_ARCH_FLOCK_PAD
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#endif
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struct target_flock {
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short l_type;
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short l_whence;
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abi_long l_start;
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abi_long l_len;
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int l_pid;
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TARGET_ARCH_FLOCK_PAD
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};
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#endif
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#ifndef TARGET_HAVE_ARCH_STRUCT_FLOCK64
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#ifndef TARGET_ARCH_FLOCK64_PAD
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#define TARGET_ARCH_FLOCK64_PAD
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#endif
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struct target_flock64 {
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abi_short l_type;
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abi_short l_whence;
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abi_llong l_start;
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abi_llong l_len;
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abi_int l_pid;
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TARGET_ARCH_FLOCK64_PAD
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};
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#endif
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#endif
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