Cygwin build support

config.h.in

@@ -220,6 +220,9 @@
 /* Define to 1 if your <sys/time.h> declares `struct tm'. */
 #undef TM_IN_SYS_TIME
 
+/* target platform */
+#undef UNAME
+
 /* Version number of package */
 #undef VERSION
 
@@ -229,6 +232,9 @@
 /* building on BSD/OS platform */
 #undef _BSDOS
 
+/* building on Cygwin (Windows) platform */
+#undef _CYGWIN
+
 /* building on FreeBSD platform */
 #undef _FREEBSD
 

configure.in

@@ -31,6 +31,7 @@ dnl	18-Aug-2004	tries	fli4l-uclibc -> fli4l-21-uclibc, fli4l-22-uclibc
 dnl				2.1.x has no pthread support, link -static
 dnl				2.2.x has (maybe) pthread support
 dnl	08-Jan-2005	tries	FreeBSD: check for libgnugetopt before using it
+dnl				Cygwin build support
 dnl
 dnl
 
@@ -117,6 +118,7 @@ dnl    --enable-dmalloc
 dnl
 dnl target platform specific stuff
 dnl
+AC_DEFINE_UNQUOTED(UNAME,"$target",[target platform])
 AC_MSG_CHECKING(target platform)
 case "$target" in
   *-*-linux*)
@@ -161,6 +163,10 @@ case "$target" in
     AC_MSG_RESULT(Mac OS X)
     AC_DEFINE(_MACOSX,,[building on Mac OSX platform])
     ;;
+  *-*-cygwin*)
+    AC_MSG_RESULT(Cygwin)
+    AC_DEFINE(_CYGWIN,,[building on Cygwin (Windows) platform])
+    ;;
   *)
     AC_MSG_RESULT(Unknown Platform)
     AC_DEFINE(_UNKNOWN,,[building on unknown platform])

src/rtpproxy_relay.c

@@ -111,12 +111,15 @@ int rtp_relay_init( void ) {
       int uid,euid;
       struct sched_param schedparam;
 
+#ifndef _CYGWIN
       uid=getuid();
       euid=geteuid();
       DEBUGC(DBCLASS_RTP,"uid=%i, euid=%i", uid, euid);
       if (uid != euid) seteuid(0);
 
       if (geteuid()==0) {
+#endif
+
 #if defined(HAVE_SCHED_GET_PRIORITY_MAX) && defined(HAVE_SCHED_GET_PRIORITY_MIN)
          int pmin, pmax;
          /* place ourself at 1/3 of the available priority space */
@@ -134,11 +137,13 @@ int rtp_relay_init( void ) {
          if (sts != 0) {
             ERROR("pthread_setschedparam failed: %s", strerror(errno));
          }
+#ifndef _CYGWIN
       } else {
          INFO("Unable to use realtime scheduling for RTP proxy");
          INFO("You may want to start siproxd as root and switch UID afterwards");
       }
       if (uid != euid)  seteuid(euid);
+#endif
    }
 #endif