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