6 int pipe2(int fd[2], int flag)
8 if (!flag) return pipe(fd);
9 int ret = __syscall(SYS_pipe2, fd, flag);
10 if (ret != -ENOSYS) return __syscall_ret(ret);
11 if (flag & ~(O_CLOEXEC|O_NONBLOCK)) return __syscall_ret(-EINVAL);
14 if (flag & O_CLOEXEC) {
15 __syscall(SYS_fcntl, fd[0], F_SETFD, FD_CLOEXEC);
16 __syscall(SYS_fcntl, fd[1], F_SETFD, FD_CLOEXEC);
18 if (flag & O_NONBLOCK) {
19 __syscall(SYS_fcntl, fd[0], F_SETFL, O_NONBLOCK);
20 __syscall(SYS_fcntl, fd[1], F_SETFL, O_NONBLOCK);