ClickHouse/base/glibc-compatibility/musl/sync_file_range.c

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#define _GNU_SOURCE
#include <fcntl.h>
#include <errno.h>
#include "syscall.h"
// works same in x86_64 && aarch64
#define __SYSCALL_LL_E(x) (x)
#define __SYSCALL_LL_O(x) (x)
int sync_file_range(int fd, off_t pos, off_t len, unsigned flags)
{
#if defined(SYS_sync_file_range2)
return syscall(SYS_sync_file_range2, fd, flags,
__SYSCALL_LL_E(pos), __SYSCALL_LL_E(len));
#elif defined(SYS_sync_file_range)
return __syscall(SYS_sync_file_range, fd,
__SYSCALL_LL_O(pos), __SYSCALL_LL_E(len), flags);
#else
return __syscall_ret(-ENOSYS);
#endif
}