add most files

uselect.c

@@ -0,0 +1,24 @@
+#include <signal.h>
+#include <errno.h>
+#include <stddef.h>
+#include "uselect.h"
+
+/* an uninterruptable version of select. M.Z. Oct 2008 */
+
+int uselect(int nfds,
+  fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+  struct timeval *timeout) {
+
+  sigset_t sigmask;
+  struct timespec tmo, *tmoPtr;
+
+  sigfillset(&sigmask);  
+  if (timeout) {
+    tmo.tv_sec = timeout->tv_sec;
+    tmo.tv_nsec = timeout->tv_usec * 1000;
+    tmoPtr = &tmo;
+  } else {
+    tmoPtr = NULL;
+  }
+  return pselect(nfds, readfds, writefds, exceptfds, tmoPtr, &sigmask);
+}