Il 18/11/2012 11:29, Stefan Weil ha scritto: > Am 17.11.2012 14:41, schrieb Anthony Liguori: >> There is no /dev/random on win32. >> >> Cc: Stefan Weil<w...@mail.berlios.de> >> Signed-off-by: Anthony Liguori<aligu...@us.ibm.com> >> --- >> backends/Makefile.objs | 3 ++- >> 1 file changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/backends/Makefile.objs b/backends/Makefile.objs >> index 875eebc..8836761 100644 >> --- a/backends/Makefile.objs >> +++ b/backends/Makefile.objs >> @@ -1 +1,2 @@ >> -common-obj-y += rng.o rng-random.o rng-egd.o >> +common-obj-y += rng.o rng-egd.o >> +common-obj-$(CONFIG_POSIX) += rng-random.o > > The patch fixes a build issue on w32 / w64, but the reason given > is misleading: yes, Windows has no /dev files, but the MinGW > library tries to emulate the most important interfaces from /dev.
Ah, I thought that was only MSYS and Cygiwin, not MinGW. > There is a /dev/random with MinGW, and it does what it is supposed > to do. See this URL for more supported "devices": > http://srv.onzk.net/linwin/apache-php3-mysql/CygWin_20b_98-4_Documents_OnLine/CygWin-Ug-Net/using-specialnames.html But a properly-implemented /dev/random will block more often than not, so it is not a good idea to use a "fake" O_NONBLOCK. Using native Win32 crypto APIs is a much better idea. Paolo
