New module 'msvc-nothrow'. Makes _get_osfhandle safe on MSVC 9. * lib/msvc-nothrow.h: New file. * lib/msvc-nothrow.c: New file. * m4/msvc-nothrow.m4: New file. * modules/msvc-nothrow: New file. * lib/dup2.c: Include msvc-nothrow.h. (rpl_dup2): No need to protect _get_osfhandle call here. * lib/accept4.c: Include msvc-nothrow.h. * lib/error.c: Likewise. * lib/fcntl.c: Likewise. * lib/lseek.c: Likewise. * lib/nonblocking.c: Likewise. * lib/poll.c: Likewise. * lib/read.c: Likewise. * lib/select.c: Likewise. * lib/sockets.h: Likewise. * lib/sockets.c: Likewise. * lib/stdio-read.c: Likewise. * lib/stdio-write.c: Likewise. * lib/write.c: Likewise. * lib/w32sock.h: Likewise. * lib/w32spawn.h: Likewise. * lib/flock.c: Include msvc-nothrow.h instead of <io.h>. * lib/fsync.c: Likewise. * lib/isapipe.c: Likewise. * modules/dup2 (Depends-on): Add msvc-nothrow. * modules/accept4 (Depends-on): Likewise. * modules/error (Depends-on): Likewise. * modules/fcntl (Depends-on): Likewise. * modules/lseek (Depends-on): Likewise. * modules/nonblocking (Depends-on): Likewise. * modules/poll (Depends-on): Likewise. * modules/read (Depends-on): Likewise. * modules/select (Depends-on): Likewise. * modules/sockets (Depends-on): Likewise. * modules/sigpipe (Depends-on): Likewise. * modules/write (Depends-on): Likewise. * modules/accept (Depends-on): Likewise. * modules/bind (Depends-on): Likewise. * modules/connect (Depends-on): Likewise. * modules/gethostname (Depends-on): Likewise. * modules/getpeername (Depends-on): Likewise. * modules/getsockname (Depends-on): Likewise. * modules/getsockopt (Depends-on): Likewise. * modules/ioctl (Depends-on): Likewise. * modules/listen (Depends-on): Likewise. * modules/recv (Depends-on): Likewise. * modules/recvfrom (Depends-on): Likewise. * modules/send (Depends-on): Likewise. * modules/sendto (Depends-on): Likewise. * modules/setsockopt (Depends-on): Likewise. * modules/shutdown (Depends-on): Likewise. * modules/socket (Depends-on): Likewise. * modules/execute (Depends-on): Likewise. * modules/spawn-pipe (Depends-on): Likewise. * modules/flock (Depends-on): Likewise. * modules/fsync (Depends-on): Likewise. * modules/isapipe (Depends-on): Likewise. * tests/test-cloexec.c: Include msvc-nothrow.h. * tests/test-dup-safer.c: Likewise. * tests/test-dup2.c: Likewise. * tests/test-dup3.c: Likewise. * tests/test-fcntl.c: Likewise. * tests/test-pipe.c: Likewise. * tests/test-pipe2.c: Likewise. * modules/cloexec-tests (Depends-on): Add msvc-nothrow. * modules/unistd-safer-tests (Depends-on): Likewise. * modules/dup2-tests (Depends-on): Likewise. * modules/dup3-tests (Depends-on): Likewise. * modules/fcntl-tests (Depends-on): Likewise. * modules/pipe-posix-tests (Depends-on): Likewise. * modules/pipe2-tests (Depends-on): Likewise.

Description:
recvfrom() function: receive (read) data from a potentially unconnected socket.

Files:
lib/recvfrom.c
lib/w32sock.h

Depends-on:
sys_socket
socketlib
errno           [test "$ac_cv_header_winsock2_h" = yes]
getpeername     [test "$ac_cv_header_winsock2_h" = yes]
msvc-nothrow    [test "$ac_cv_header_winsock2_h" = yes]

configure.ac:
AC_REQUIRE([gl_HEADER_SYS_SOCKET])
if test "$ac_cv_header_winsock2_h" = yes; then
  AC_LIBOBJ([recvfrom])
fi
gl_SYS_SOCKET_MODULE_INDICATOR([recvfrom])

Makefile.am:

Include:
<sys/socket.h>

Link:
$(LIBSOCKET)

License:
LGPLv2+

Maintainer:
Paolo Bonzini, Simon Josefsson