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| author | Lennart Poettering <lennart@poettering.net> | 2023-03-07 14:36:03 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2023-03-09 16:12:37 +0100 |
| commit | 34a9da0d8e04626e4fec1f076e814d633d149a58 (patch) | |
| tree | a751d53090e8702315e6c2864bb77e53eb0a8d84 | |
| parent | 2208d9662313e90f4aa8d24f1573b8fbcd97120a (diff) | |
| download | systemd-34a9da0d8e04626e4fec1f076e814d633d149a58.tar.gz | |
missing: add fsmount() syscall fallback definition
| -rw-r--r-- | meson.build | 1 | ||||
| -rw-r--r-- | src/basic/missing_syscall.h | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/meson.build b/meson.build index 6885884a00..4a59784536 100644 --- a/meson.build +++ b/meson.build @@ -629,6 +629,7 @@ foreach ident : [ ['open_tree', '''#include <sys/mount.h>'''], ['fsopen', '''#include <sys/mount.h>'''], ['fsconfig', '''#include <sys/mount.h>'''], + ['fsmount', '''#include <sys/mount.h>'''], ['getdents64', '''#include <dirent.h>'''], ] diff --git a/src/basic/missing_syscall.h b/src/basic/missing_syscall.h index 98cd037962..3d66ab7d7a 100644 --- a/src/basic/missing_syscall.h +++ b/src/basic/missing_syscall.h @@ -609,6 +609,26 @@ static inline int missing_fsconfig(int fd, unsigned cmd, const char *key, const /* ======================================================================= */ +#if !HAVE_FSMOUNT + +#ifndef FSMOUNT_CLOEXEC +#define FSMOUNT_CLOEXEC 0x00000001 +#endif + +static inline int missing_fsmount(int fd, unsigned flags, unsigned ms_flags) { +# if defined __NR_fsmount && __NR_fsmount >= 0 + return syscall(__NR_fsmount, fd, flags, ms_flags); +# else + errno = ENOSYS; + return -1; +# endif +} + +# define fsmount missing_fsmount +#endif + +/* ======================================================================= */ + #if !HAVE_GETDENTS64 static inline ssize_t missing_getdents64(int fd, void *buffer, size_t length) { |