#include #include #include #include "syscall.h" int pipe2(int fd[2], int flag) { if (!flag) return pipe(fd); int ret = __syscall(SYS_pipe2, fd, flag); if (ret != -ENOSYS) return __syscall_ret(ret); ret = pipe(fd); if (ret) return ret; if (flag & O_CLOEXEC) { __syscall(SYS_fcntl, fd[0], F_SETFD, FD_CLOEXEC); __syscall(SYS_fcntl, fd[1], F_SETFD, FD_CLOEXEC); } if (flag & O_NONBLOCK) { __syscall(SYS_fcntl, fd[0], F_SETFL, O_NONBLOCK); __syscall(SYS_fcntl, fd[1], F_SETFL, O_NONBLOCK); } return 0; }