6 int pipe2(int fd[2], int flag)
8 if (!flag) return syscall(SYS_pipe, fd);
9 int ret = __syscall(SYS_pipe2, fd, flag);
10 if (ret != -ENOSYS) return __syscall_ret(ret);
11 ret = syscall(SYS_pipe, fd);
12 if (ret) return __syscall_ret(ret);
13 if (flag & O_CLOEXEC) {
14 fcntl(fd[0], F_SETFD, FD_CLOEXEC);
15 fcntl(fd[1], F_SETFD, FD_CLOEXEC);
17 if (flag & O_NONBLOCK) {
18 fcntl(fd[0], F_SETFL, fcntl(fd[0], F_GETFL) | O_NONBLOCK);
19 fcntl(fd[1], F_SETFL, fcntl(fd[1], F_GETFL) | O_NONBLOCK);