[Win32] Export our own FD_SET() et al to complete sockets-as-handles pretense.

p4raw-id: //depot/win32/perl@261

1 files changed, 53 insertions, 1 deletions

diff --git a/win32/include/sys/socket.h b/win32/include/sys/socket.h
index 487f9d5877..c6d0123143 100644
--- a/win32/include/sys/socket.h
+++ b/win32/include/sys/socket.h
@@ -44,6 +44,41 @@ typedef struct _OVERLAPPED {
 #define  ENOTSOCK	WSAENOTSOCK
 #undef   HOST_NOT_FOUND
 
+#ifdef USE_SOCKETS_AS_HANDLES
+
+#ifndef PERL_FD_SETSIZE
+#define PERL_FD_SETSIZE		64
+#endif
+
+#define PERL_BITS_PER_BYTE	8
+#define	PERL_NFDBITS		(sizeof(Perl_fd_mask)*PERL_BITS_PER_BYTE)
+
+typedef int			Perl_fd_mask;
+
+typedef struct	Perl_fd_set {
+    Perl_fd_mask bits[(PERL_FD_SETSIZE+PERL_NFDBITS-1)/PERL_NFDBITS];
+}				Perl_fd_set;
+
+#define PERL_FD_CLR(n,p) \
+    ((p)->bits[(n)/PERL_NFDBITS] &= ~((unsigned)1 << ((n)%PERL_NFDBITS)))
+
+#define PERL_FD_SET(n,p) \
+    ((p)->bits[(n)/PERL_NFDBITS] |=  ((unsigned)1 << ((n)%PERL_NFDBITS)))
+
+#define PERL_FD_ZERO(p) memset((char *)(p),0,sizeof(*(p)))
+
+#define PERL_FD_ISSET(n,p) \
+    ((p)->bits[(n)/PERL_NFDBITS] &   ((unsigned)1 << ((n)%PERL_NFDBITS)))
+
+#else	/* USE_SOCKETS_AS_HANDLES */
+
+#define Perl_fd_set	fd_set
+#define PERL_FD_SET(n,p)	FD_SET(n,p)
+#define PERL_FD_CLR(n,p)	FD_CLR(n,p)
+#define PERL_FD_ISSET(n,p)	FD_ISSET(n,p)
+#define PERL_FD_ZERO(p)		FD_ZERO(p)
+
+#endif	/* USE_SOCKETS_AS_HANDLES */
 
 SOCKET win32_accept (SOCKET s, struct sockaddr *addr, int *addrlen);
 int win32_bind (SOCKET s, const struct sockaddr *addr, int namelen);
@@ -63,7 +98,8 @@ u_short win32_ntohs (u_short netshort);
 int win32_recv (SOCKET s, char * buf, int len, int flags);
 int win32_recvfrom (SOCKET s, char * buf, int len, int flags,
                          struct sockaddr *from, int * fromlen);
-int win32_select (int nfds, int *readfds, int *writefds, int *exceptfds, const struct timeval *timeout);
+int win32_select (int nfds, Perl_fd_set *rfds, Perl_fd_set *wfds, Perl_fd_set *xfds,
+		  const struct timeval *timeout);
 int win32_send (SOCKET s, const char * buf, int len, int flags);
 int win32_sendto (SOCKET s, const char * buf, int len, int flags,
                        const struct sockaddr *to, int tolen);
@@ -95,6 +131,7 @@ void win32_endnetent(void);
 void win32_endprotoent(void);
 void win32_endservent(void);
 
+#ifndef WIN32SCK_IS_STDSCK
 //
 // direct to our version
 //
@@ -143,6 +180,21 @@ void win32_endservent(void);
 #define setprotoent	win32_setprotoent
 #define setservent	win32_setservent
 
+#ifdef USE_SOCKETS_AS_HANDLES
+#undef fd_set
+#undef FD_SET
+#undef FD_CLR
+#undef FD_ISSET
+#undef FD_ZERO
+#define fd_set		Perl_fd_set
+#define FD_SET(n,p)	PERL_FD_SET(n,p)
+#define FD_CLR(n,p)	PERL_FD_CLR(n,p)
+#define FD_ISSET(n,p)	PERL_FD_ISSET(n,p)
+#define FD_ZERO(p)	PERL_FD_ZERO(p)
+#endif	/* USE_SOCKETS_AS_HANDLES */
+
+#endif	/* WIN32SCK_IS_STDSCK */
+
 #ifdef __cplusplus
 }
 #endif