diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/basic/missing_fcntl.h | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/basic/missing_fcntl.h')
-rw-r--r-- | src/basic/missing_fcntl.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/basic/missing_fcntl.h b/src/basic/missing_fcntl.h new file mode 100644 index 0000000..3c85bef --- /dev/null +++ b/src/basic/missing_fcntl.h @@ -0,0 +1,94 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include <fcntl.h> + +#ifndef F_LINUX_SPECIFIC_BASE +#define F_LINUX_SPECIFIC_BASE 1024 +#endif + +#ifndef F_SETPIPE_SZ +#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7) +#endif + +#ifndef F_GETPIPE_SZ +#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8) +#endif + +#ifndef F_ADD_SEALS +#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9) +#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10) + +#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */ +#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */ +#define F_SEAL_GROW 0x0004 /* prevent file from growing */ +#define F_SEAL_WRITE 0x0008 /* prevent writes */ +#endif + +#ifndef F_SEAL_FUTURE_WRITE +#define F_SEAL_FUTURE_WRITE 0x0010 /* prevent future writes while mapped */ +#endif + +#ifndef F_SEAL_EXEC +#define F_SEAL_EXEC 0x0020 /* prevent chmod modifying exec bits */ +#endif + +#ifndef F_OFD_GETLK +#define F_OFD_GETLK 36 +#define F_OFD_SETLK 37 +#define F_OFD_SETLKW 38 +#endif + +#ifndef MAX_HANDLE_SZ +#define MAX_HANDLE_SZ 128 +#endif + +/* The precise definition of __O_TMPFILE is arch specific; use the + * values defined by the kernel (note: some are hexa, some are octal, + * duplicated as-is from the kernel definitions): + * - alpha, parisc, sparc: each has a specific value; + * - others: they use the "generic" value. + */ + +#ifndef __O_TMPFILE +#if defined(__alpha__) +#define __O_TMPFILE 0100000000 +#elif defined(__parisc__) || defined(__hppa__) +#define __O_TMPFILE 0400000000 +#elif defined(__sparc__) || defined(__sparc64__) +#define __O_TMPFILE 0x2000000 +#else +#define __O_TMPFILE 020000000 +#endif +#endif + +/* a horrid kludge trying to make sure that this will fail on old kernels */ +#ifndef O_TMPFILE +#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY) +#endif + +/* So O_LARGEFILE is generally implied by glibc, and defined to zero hence, because we only build in LFS + * mode. However, when invoking fcntl(F_GETFL) the flag is ORed into the result anyway — glibc does not mask + * it away. Which sucks. Let's define the actual value here, so that we can mask it ourselves. + * + * The precise definition is arch specific, so we use the values defined in the kernel (note that some + * are hexa and others are octal; duplicated as-is from the kernel definitions): + * - alpha, arm, arm64, m68k, mips, parisc, powerpc, sparc: each has a specific value; + * - others: they use the "generic" value (defined in include/uapi/asm-generic/fcntl.h) */ +#if O_LARGEFILE != 0 +#define RAW_O_LARGEFILE O_LARGEFILE +#else +#if defined(__alpha__) || defined(__arm__) || defined(__aarch64__) || defined(__m68k__) +#define RAW_O_LARGEFILE 0400000 +#elif defined(__mips__) +#define RAW_O_LARGEFILE 0x2000 +#elif defined(__parisc__) || defined(__hppa__) +#define RAW_O_LARGEFILE 000004000 +#elif defined(__powerpc__) +#define RAW_O_LARGEFILE 0200000 +#elif defined(__sparc__) +#define RAW_O_LARGEFILE 0x40000 +#else +#define RAW_O_LARGEFILE 00100000 +#endif +#endif |