From bdcebfc4c7cc4f08efaf84af19465893f69fd5ed Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 25 Jul 2008 04:51:56 +0000 Subject: * Versions.def (glibc): Add GLIBC_2.9. * io/Makefile (routines): Add dup3 and pipe2. * io/Versions [glibc] (GLIBC_2.9): Add dup3 and pipe2. * io/dup3.c: New file. * io/pipe2.c: New file. * posix/unistd.h: Declare dup3 and pipe2. * socket/Makefile (routines): Add paccept. * socket/Versions [glibc] (GLIBC_2.9): Add paccept. * socket/paccept.c: New file. * socket/sys/socket.h: Declare paccept. * sysdeps/unix/syscalls.list: Add entry for dup3. * sysdeps/unix/sysv/linux/Versions [glibc] (GLIBC_2.9): Add epoll_create2 and inotify_init1. * sysdeps/unix/sysv/linux/eventfd.c: Use eventfd1 syscall if possible. * sysdeps/unix/sysv/linux/paccept.c: New file. * sysdeps/unix/sysv/linux/signalfd.c: Use signalfd4 syscall if possible. * sysdeps/unix/sysv/linux/socketcall.h: Add SOCKOP_paccept. * sysdeps/unix/sysv/linux/syscalls.list: Add epoll_create2, inotify_init1, and pipe2 entries. * sysdeps/unix/sysv/linux/alpha/sys/epoll.h: New file. * sysdeps/unix/sysv/linux/alpha/sys/eventfd.h: New file. * sysdeps/unix/sysv/linux/alpha/sys/inotify.h: New file. * sysdeps/unix/sysv/linux/alpha/sys/signalfd.h: New file. * sysdeps/unix/sysv/linux/alpha/sys/timerfd.h: New file. * sysdeps/unix/sysv/linux/bits/socket.h: Define SOCK_CLOEXEC and SOCK_NONBLOCK. * sysdeps/unix/sysv/linux/i386/paccept.S: New file. * sysdeps/unix/sysv/linux/sparc/sys/epoll.h: New file. * sysdeps/unix/sysv/linux/sparc/sys/eventfd.h: New file. * sysdeps/unix/sysv/linux/sparc/sys/inotify.h: New file. * sysdeps/unix/sysv/linux/sparc/sys/signalfd.h: New file. * sysdeps/unix/sysv/linux/sparc/sys/timerfd.h: New file. * sysdeps/unix/sysv/linux/sparc/bits/socket.h: New file. * sysdeps/unix/sysv/linux/sys/epoll.h: Define EPOLL_CLOEXEC and EPOLL_NONBLOCK. Declare epoll_create2. * sysdeps/unix/sysv/linux/sys/eventfd.h: Define EFD_CLOEXEC and EFD_NONBLOCK. * sysdeps/unix/sysv/linux/sys/inotify.h: Define IN_CLOEXEC and IN_NONBLOCK. Declare inotify_init1. * sysdeps/unix/sysv/linux/sys/signalfd.h: Define SFD_CLOEXEC and SFD_NONBLOCK. * sysdeps/unix/sysv/linux/sys/timerfd.h: Define TFD_CLOEXEC and TFD_NONBLOCK. --- io/Makefile | 4 ++-- io/Versions | 3 +++ io/dup3.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ io/pipe2.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 96 insertions(+), 2 deletions(-) create mode 100644 io/dup3.c create mode 100644 io/pipe2.c (limited to 'io') diff --git a/io/Makefile b/io/Makefile index 1acda4c8b6..caaa51b351 100644 --- a/io/Makefile +++ b/io/Makefile @@ -1,4 +1,4 @@ -# Copyright (C) 1992-2002,2003,2005,2006, 2007 Free Software Foundation, Inc. +# Copyright (C) 1992-2003,2005,2006,2007,2008 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or @@ -40,7 +40,7 @@ routines := \ open open64 openat openat64 close \ read write lseek lseek64 access euidaccess faccessat \ fcntl flock lockf lockf64 \ - dup dup2 pipe \ + dup dup2 dup3 pipe pipe2 \ creat creat64 \ chdir fchdir \ getcwd getwd getdirname \ diff --git a/io/Versions b/io/Versions index d603668f4f..6c0a23b465 100644 --- a/io/Versions +++ b/io/Versions @@ -119,4 +119,7 @@ libc { GLIBC_2.7 { __open_2; __open64_2; __openat_2; __openat64_2; } + GLIBC_2.9 { + dup3; pipe2; + } } diff --git a/io/dup3.c b/io/dup3.c new file mode 100644 index 0000000000..162ab4e68b --- /dev/null +++ b/io/dup3.c @@ -0,0 +1,48 @@ +/* Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include + + +/* Duplicate FD to FD2, closing the old FD2 and making FD2 be + open the same file as FD is which setting flags according to + FLAGS. Return FD2 or -1. */ +int +dup3 (fd, fd2, flags) + int fd; + int fd2; + int flags; +{ + if (fd < 0 || fd2 < 0) + { + __set_errno (EBADF); + return -1; + } + + if (fd == fd2) + /* No way to check that they are valid. */ + return fd2; + + __set_errno (ENOSYS); + return -1; +} +stub_warning (dup3) + +#include diff --git a/io/pipe2.c b/io/pipe2.c new file mode 100644 index 0000000000..a0b8a8b1f8 --- /dev/null +++ b/io/pipe2.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1991, 1995, 1996, 2002, 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include + +/* Create a one-way communication channel (__pipe). If successful, + two file descriptors are stored in PIPEDES; bytes written on + PIPEDES[1] can be read from PIPEDES[0]. Apply FLAGS to the new + file descriptors. Returns 0 if successful, -1 if not. */ +int +pipe2 (pipedes, flags) + int pipedes[2]; + int flags; +{ + if (pipedes == NULL) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +stub_warning (pipe2) + +#include -- cgit v1.2.3