diff options
Diffstat (limited to 'src/unistd')
| -rw-r--r-- | src/unistd/pipe2.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/unistd/pipe2.c b/src/unistd/pipe2.c index 83282bb9..04e0c128 100644 --- a/src/unistd/pipe2.c +++ b/src/unistd/pipe2.c @@ -1,8 +1,22 @@ -#define _GNU_SOURCE #include <unistd.h> +#include <errno.h> +#include <fcntl.h> #include "syscall.h" -int pipe2(int fd[2], int flg) +int pipe2(int fd[2], int flag) { - return syscall(SYS_pipe2, fd, flg); + if (!flag) return syscall(SYS_pipe, fd); + int ret = __syscall(SYS_pipe2, fd, flag); + if (ret != -ENOSYS) return __syscall_ret(ret); + ret = syscall(SYS_pipe, fd); + if (ret) return __syscall_ret(ret); + if (flag & O_CLOEXEC) { + fcntl(fd[0], F_SETFD, FD_CLOEXEC); + fcntl(fd[1], F_SETFD, FD_CLOEXEC); + } + if (flag & O_NONBLOCK) { + fcntl(fd[0], F_SETFL, fcntl(fd[0], F_GETFL) | O_NONBLOCK); + fcntl(fd[1], F_SETFL, fcntl(fd[1], F_GETFL) | O_NONBLOCK); + } + return 0; } |