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Even though the syscall number is defined in kernel headers, the syscall is blacklisted by seccomp in runtime. Note that Android 11 also introduces the libc wrapper for statx, so effectively the library will always use the libc wrapper on Android. Reported in https://github.com/boostorg/filesystem/issues/229.
36 lines
1004 B
C++
36 lines
1004 B
C++
// Copyright 2020 Andrey Semashev
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// Distributed under the Boost Software License, Version 1.0.
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// See http://www.boost.org/LICENSE_1_0.txt
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// See library home page at http://www.boost.org/libs/filesystem
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#include "platform_config.hpp"
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#include <sys/syscall.h>
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#include <linux/stat.h>
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// Note: Include other libc headers for stat() as well to ensure there is no conflict between
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// Linux kernel headers and libc headers.
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#if defined(__ANDROID__) && (__ANDROID_API__ < 30)
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// Even though statx syscall number is defined, it is blacklisted by seccomp in runtime until Android 11
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#error "statx syscall is not supported until Android 11"
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#endif
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#if !defined(__NR_statx)
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#error "No statx syscall"
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#endif
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int main()
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{
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struct statx st;
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int res = syscall(__NR_statx, AT_FDCWD, ".", AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT, STATX_BTIME, &st);
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st.stx_btime.tv_sec = 1;
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st.stx_btime.tv_nsec = 10;
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}
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