diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | include/sys/socket.h | 3 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/accept.c | 65 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/accept4.c | 100 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/kernel-features.h | 4 |
5 files changed, 119 insertions, 61 deletions
@@ -1,5 +1,13 @@ 2012-05-10 Thomas Schwinge <thomas@schwinge.name> + accept4 for GNU Hurd. + * include/sys/socket.h (__libc_accept4): New prototype. + * sysdeps/mach/hurd/accept4.c: New file, copy from accept.c. Evolve it + to implement __libc_accept4. + * sysdeps/mach/hurd/accept.c (accept): Reimplement using + __libc_accept4. + * sysdeps/mach/hurd/kernel-features.h (__ASSUME_ACCEPT4): Define. + * sysdeps/mach/hurd/i386/____longjmp_chk.S: New file. * sysdeps/mach/hurd/i386/signal-defines.sym: New file. * sysdeps/mach/hurd/i386/Makefile (gen-as-const-headers): Add diff --git a/include/sys/socket.h b/include/sys/socket.h index 2ae3428..eac8213 100644 --- a/include/sys/socket.h +++ b/include/sys/socket.h @@ -135,6 +135,9 @@ extern int __libc_accept (int __fd, __SOCKADDR_ARG __addr, socklen_t *__restrict __addr_len) __THROW; libc_hidden_proto (accept) +extern int __libc_accept4 (int __fd, __SOCKADDR_ARG __addr, + socklen_t *__restrict __addr_len, int __flags) + __THROW; /* Return the length of a `sockaddr' structure. */ #ifdef _HAVE_SA_LEN diff --git a/sysdeps/mach/hurd/accept.c b/sysdeps/mach/hurd/accept.c index 78b5c67..52dfdf8 100644 --- a/sysdeps/mach/hurd/accept.c +++ b/sysdeps/mach/hurd/accept.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1992,1993,1994,1997,1999,2002 Free Software Foundation, Inc. +/* Copyright (C) 1992-2012 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 @@ -15,72 +16,16 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <fcntl.h> -#include <string.h> #include <sys/socket.h> -#include <hurd.h> -#include <hurd/fd.h> -#include <hurd/socket.h> /* Await a connection on socket FD. When a connection arrives, open a new socket to communicate with it, - set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting + set *ADDRARG (which is *ADDR_LEN bytes long) to the address of the connecting peer and *ADDR_LEN to the address's actual length, and return the new socket's descriptor, or -1 for errors. */ int -accept (fd, addrarg, addr_len) - int fd; - __SOCKADDR_ARG addrarg; - socklen_t *addr_len; +accept (int fd, __SOCKADDR_ARG addrarg, socklen_t *addr_len) { - error_t err; - socket_t new; - addr_port_t aport; - struct sockaddr *addr = addrarg.__sockaddr__; - char *buf = (char *) addr; - mach_msg_type_number_t buflen; - int type; - - if (err = HURD_DPORT_USE (fd, __socket_accept (port, &new, &aport))) - return __hurd_dfail (fd, err); - - if (addr != NULL) - { - buflen = *addr_len; - err = __socket_whatis_address (aport, &type, &buf, &buflen); - if (err == EOPNOTSUPP) - /* If the protocol server can't tell us the address, just return a - zero-length one. */ - { - buf = (char *)addr; - buflen = 0; - err = 0; - } - } - __mach_port_deallocate (__mach_task_self (), aport); - - if (err) - { - __mach_port_deallocate (__mach_task_self (), new); - return __hurd_dfail (fd, err); - } - - if (addr != NULL) - { - if (*addr_len > buflen) - *addr_len = buflen; - - if (buf != (char *) addr) - { - memcpy (addr, buf, *addr_len); - __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen); - } - - if (buflen > 0) - addr->sa_family = type; - } - - return _hurd_intern_fd (new, O_IGNORE_CTTY, 1); + return __libc_accept4 (fd, addrarg, addr_len, 0); } libc_hidden_def (accept) diff --git a/sysdeps/mach/hurd/accept4.c b/sysdeps/mach/hurd/accept4.c new file mode 100644 index 0000000..a86e177 --- /dev/null +++ b/sysdeps/mach/hurd/accept4.c @@ -0,0 +1,100 @@ +/* Copyright (C) 1992-2012 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 <errno.h> +#include <fcntl.h> +#include <fcntl-internal.h> +#include <string.h> +#include <sys/socket.h> +#include <hurd.h> +#include <hurd/fd.h> +#include <hurd/socket.h> + +/* Await a connection on socket FD. + When a connection arrives, open a new socket to communicate with it, + set *ADDRARG (which is *ADDR_LEN bytes long) to the address of the connecting + peer and *ADDR_LEN to the address's actual length, and return the + new socket's descriptor, or -1 for errors. The operation can be influenced + by the FLAGS parameter. */ +int +__libc_accept4 (int fd, __SOCKADDR_ARG addrarg, socklen_t *addr_len, int flags) +{ + error_t err; + socket_t new; + addr_port_t aport; + struct sockaddr *addr = addrarg.__sockaddr__; + char *buf = (char *) addr; + mach_msg_type_number_t buflen; + int type; + + flags = sock_to_o_flags (flags); + + if (flags & ~(O_CLOEXEC | O_NONBLOCK)) + return __hurd_fail (EINVAL); + + if (err = HURD_DPORT_USE (fd, __socket_accept (port, &new, &aport))) + return __hurd_dfail (fd, err); + + if (addr != NULL) + { + buflen = *addr_len; + err = __socket_whatis_address (aport, &type, &buf, &buflen); + if (err == EOPNOTSUPP) + /* If the protocol server can't tell us the address, just return a + zero-length one. */ + { + buf = (char *)addr; + buflen = 0; + err = 0; + } + } + __mach_port_deallocate (__mach_task_self (), aport); + + if (! err) + { + if (flags & O_NONBLOCK) + err = __io_set_some_openmodes (new, O_NONBLOCK); + /* TODO: do we need special ERR massaging after the previous call? */ + } + + if (err) + { + __mach_port_deallocate (__mach_task_self (), new); + return __hurd_dfail (fd, err); + } + + if (addr != NULL) + { + if (*addr_len > buflen) + *addr_len = buflen; + + if (buf != (char *) addr) + { + memcpy (addr, buf, *addr_len); + __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen); + } + + if (buflen > 0) + addr->sa_family = type; + } + + return _hurd_intern_fd (new, O_IGNORE_CTTY | flags, 1); +} +libc_hidden_def (__libc_accept4) +weak_alias (__libc_accept4, accept4) diff --git a/sysdeps/mach/hurd/kernel-features.h b/sysdeps/mach/hurd/kernel-features.h index 07caf31..a0ffcbe 100644 --- a/sysdeps/mach/hurd/kernel-features.h +++ b/sysdeps/mach/hurd/kernel-features.h @@ -1,5 +1,5 @@ /* Set flags signalling availability of certain operating system features. - Copyright (C) 2007 Free Software Foundation, Inc. + Copyright (C) 2007-2012 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 @@ -28,3 +28,5 @@ #ifdef O_CLOEXEC # define __ASSUME_O_CLOEXEC 1 #endif + +#define __ASSUME_ACCEPT4 1 |