}
#endif /* HAVE_SOCKETPAIR */
+#ifdef __UNUSED__
+#include <sys/time.h>
+
+int SockCheckOpen(int fd)
+/* poll given socket; is it selectable? */
+{
+ fd_set r, w, e;
+ int rt;
+ struct timeval tv;
+
+ for (;;)
+ {
+ FD_ZERO(&r); FD_ZERO(&w); FD_ZERO(&e);
+ FD_SET(fd, &e);
+
+ tv.tv_sec = 0; tv.tv_usec = 0;
+ rt = select(fd+1, &r, &w, &e, &tv);
+ if (rt == -1 && (errno != EAGAIN && errno != EINTR))
+ return 0;
+ if (rt != -1)
+ return 1;
+ }
+}
+#endif /* __UNUSED__ */
+
#if INET6
int SockOpen(const char *host, const char *service, const char *options,
const char *plugin)
int SockOpen(const char *host, int clientPort, const char *options,
const char *plugin)
{
- int sock;
+ int sock = -1; /* pacify -Wall */
#ifndef HAVE_INET_ATON
unsigned long inaddr;
#endif /* HAVE_INET_ATON */
const char *plugin);
#endif /* INET6 */
+/* Returns 1 if this socket is OK, 0 if it isn't select()able
+ * on - probably because it's been closed. You should
+ * always check this function before passing stuff to the
+ * select()-based waiter, as otherwise it may loop.
+ */
+int SockCheckOpen(int fd);
+
/*
Get a string terminated by an '\n' (matches interface of fgets).
Pass it a valid socket, a buffer for the string, and