int posix_fadvise(int fd, off_t base, off_t len, int advice)
{
#if defined(SYSCALL_FADVISE_6_ARG)
	/* Some archs, at least arm and powerpc, have the syscall
	 * arguments reordered to avoid needing 7 argument registers
	 * due to 64-bit argument alignment. */
	return -__syscall(SYS_fadvise, fd, advice,
		__SYSCALL_LL_E(base), __SYSCALL_LL_E(len));
#else
	return -__syscall(SYS_fadvise, fd, __SYSCALL_LL_O(base),
		__SYSCALL_LL_E(len), advice);
#endif
}
Exemplo n.º 2
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int posix_fallocate(int fd, off_t base, off_t len)
{
	return -__syscall(SYS_fallocate, fd, __SYSCALL_LL_O(base),
		__SYSCALL_LL_E(len));
}
Exemplo n.º 3
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int ftruncate(int fd, off_t length) {
  return syscall(SYS_ftruncate, fd, __SYSCALL_LL_O(length));
}
Exemplo n.º 4
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ssize_t readahead(int fd, off_t pos, size_t len)
{
	return syscall(SYS_readahead, fd, __SYSCALL_LL_O(pos), len);
}
Exemplo n.º 5
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ssize_t pread(int fd, void *buf, size_t size, off_t ofs)
{
	return syscall_cp(SYS_pread, fd, buf, size, __SYSCALL_LL_O(ofs));
}
Exemplo n.º 6
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int posix_fadvise(int fd, off_t base, off_t len, int advice)
{
	return -(__syscall)(SYS_fadvise, fd, __SYSCALL_LL_O(base),
		__SYSCALL_LL_E(len), advice);
}