(submit/drop-cygwin) drop remains of cygwin support

Cygwin support doesn't seem to be used anymore, so it can be dropped.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

os/access.c

@@ -166,7 +166,7 @@ SOFTWARE.
 
 #endif                          /* WIN32 */
 
-#if !defined(WIN32) || defined(__CYGWIN__)
+#if !defined(WIN32)
 #include <libgen.h>
 #endif
 
@@ -1081,7 +1081,7 @@ ComputeLocalClient(ClientPtr client)
          */
         char *tok = strtok(cmd, ":");
 
-#if !defined(WIN32) || defined(__CYGWIN__)
+#if !defined(WIN32)
         ret = strcmp(basename(tok), "ssh") != 0;
 #else
         ret = strcmp(tok, "ssh") != 0;

os/osinit.c

@@ -106,7 +106,7 @@ OsRegisterSigWrapper(OsSigWrapperPtr newSigWrapper)
  * OsSigHandler --
  *    Catch unexpected signals and exit or continue cleanly.
  */
-#if !defined(WIN32) || defined(__CYGWIN__)
+#if !defined(WIN32)
 static void
 #ifdef SA_SIGINFO
 OsSigHandler(int signo, siginfo_t * sip, void *unused)
@@ -158,7 +158,7 @@ OsSigHandler(int signo)
     FatalError("Caught signal %d (%s). Server aborting\n",
                signo, strsignal(signo));
 }
-#endif /* !WIN32 || __CYGWIN__ */
+#endif /* !WIN32 */
 
 void
 OsInit(void)
@@ -170,7 +170,7 @@ OsInit(void)
 #endif
 
     if (!been_here) {
-#if !defined(WIN32) || defined(__CYGWIN__)
+#if !defined(WIN32)
         struct sigaction act, oact;
         int i;
 
@@ -198,7 +198,7 @@ OsInit(void)
                        siglist[i], strerror(errno));
             }
         }
-#endif /* !WIN32 || __CYGWIN__ */
+#endif /* !WIN32 */
         busfault_init();
         server_poll = ospoll_create();
         if (!server_poll)
@@ -252,7 +252,7 @@ OsInit(void)
                 dup2(fileno(err), 2);
                 fclose(err);
             }
-#if defined(SVR4) || defined(WIN32) || defined(__CYGWIN__)
+#if defined(SVR4) || defined(WIN32)
             {
                 static char buf[BUFSIZ];
 
@@ -264,7 +264,7 @@ OsInit(void)
         }
 #endif /* !XQUARTZ */
 
-#if !defined(WIN32) || defined(__CYGWIN__)
+#if !defined(WIN32)
         if (getpgrp() == 0)
             setpgid(0, 0);
 #endif

os/utils.c

@@ -50,17 +50,7 @@ OR PERFORMANCE OF THIS SOFTWARE.
 
 #include <dix-config.h>
 
-#ifdef __CYGWIN__
-#include <stdlib.h>
-#include <signal.h>
-/*
-   Sigh... We really need a prototype for this to know it is stdcall,
-   but #include-ing <windows.h> here is not a good idea...
-*/
-__stdcall unsigned long GetTickCount(void);
-#endif
-
-#if defined(WIN32) && !defined(__CYGWIN__)
+#if defined(WIN32)
 #include <X11/Xwinsock.h>
 #endif
 #include <X11/Xos.h>
@@ -146,7 +136,7 @@ static clockid_t clockid;
 OsSigHandlerPtr
 OsSignal(int sig, OsSigHandlerPtr handler)
 {
-#if defined(WIN32) && !defined(__CYGWIN__)
+#if defined(WIN32)
     return signal(sig, handler);
 #else
     struct sigaction act, oact;
@@ -204,7 +194,7 @@ ForceClockId(clockid_t forced_clockid)
 }
 #endif
 
-#if (defined WIN32 && defined __MINGW32__) || defined(__CYGWIN__)
+#if (defined WIN32 && defined __MINGW32__)
 CARD32
 GetTimeInMillis(void)
 {
@@ -605,7 +595,7 @@ ProcessCommandLine(int argc, char *argv[])
 #endif
 #ifdef LOCK_SERVER
         else if (strcmp(argv[i], "-nolock") == 0) {
-#if !defined(WIN32) && !defined(__CYGWIN__)
+#if !defined(WIN32)
             if (getuid() != 0)
                 ErrorF
                     ("Warning: the -nolock option can only be used by root\n");
@@ -1030,7 +1020,7 @@ OsAbort(void)
 #ifndef __APPLE__
     OsBlockSignals();
 #endif
-#if !defined(WIN32) || defined(__CYGWIN__)
+#if !defined(WIN32)
     /* abort() raises SIGABRT, so we have to stop handling that to prevent
      * recursion
      */
@@ -1517,7 +1507,7 @@ CheckUserAuthorization(void)
 #endif
 }
 
-#if !defined(WIN32) || defined(__CYGWIN__)
+#if !defined(WIN32)
 /* Move a file descriptor out of the way of our select mask; this
  * is useful for file descriptors which will never appear in the
  * select mask to avoid reducing the number of clients that can

os/xserver_poll.c

@@ -81,7 +81,7 @@
 #include <assert.h>                          /* assertion macros */
 #include <string.h>                          /* string functions */
 
-#if defined(WIN32) && !defined(__CYGWIN__)
+#if defined(WIN32)
 #include <X11/Xwinsock.h>
 #endif