I hope this is the right mailing list for this.
I am in the process of trying to migrate my application from Cygwin 1.0 to
Cygwin 1.1.8. My application uses Windows sockets and select and uses
#define Win32_Winsock and #include <windows.h> at the top of the source
file as mentioned in the FAQ. This works fine in Cygwin 1.0 but I notice I
get select errors when recompiling and then running it with Cygwin 1.1.8.
After debugging it I found that 1.1.8 is failing to use the Windows style
fd_set defined in winsock.h but rather is using the one from sys/types.h
which it shouldn't be. (This can be easily seen in the debugger.)
After doing a little investigation I determined that the bug was introduced
when #include <sys/reent.h> was added to /usr/include/string.h. This
causes string.h to recursively cause sys/types.h to be included before
winsock.h has a chance to be included. Therefore the wrong fd_set is used.
The unfortunate ting about this bug is that everything compiles fine it is
only a runtime that this bug appears.
It's not really clear to me what an appropriate fix would be other than
removing sys/reent.h from string.h. Does anyone have any ideas and can it
be put on the fixes to do list.
Matt Brozowski
Tavve Software Company
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