#define _GNU_SOURCE #include #include #include "syscall.h" ssize_t preadv2(int fd, const struct iovec *iov, int count, off_t ofs, int flags) { #ifdef SYS_preadv if (!flags) { if (ofs==-1) return readv(fd, iov, count); return syscall_cp(SYS_preadv, fd, iov, count, (long)(ofs), (long)(ofs>>32)); } #endif return syscall_cp(SYS_preadv2, fd, iov, count, (long)(ofs), (long)(ofs>>32), flags); }