re PR libgcj/8997 (spin() calls Thread.sleep)

2002-12-31  Tom Tromey  <tromey@redhat.com>
            Ranjit Mathew  <rmathew@hotmail.com>

	Fix for PR libgcj/8997:
	* java/lang/natObject.cc (spin): Use _Jv_platform_usleep.
	Include platform.h.
	* include/posix.h (_Jv_platform_usleep): New function.
	* include/win32.h (_Jv_platform_usleep): New function.

Co-Authored-By: Ranjit Mathew <rmathew@hotmail.com>

From-SVN: r60700

libjava/include/posix.h

@@ -60,6 +60,12 @@ _Jv_platform_close_on_exec (jint fd)
   ::fcntl (fd, F_SETFD, FD_CLOEXEC);
 }
 
+inline void
+_Jv_platform_usleep (unsigned long usecs)
+{
+  usleep (usecs);
+}
+
 #ifndef DISABLE_JAVA_NET
 
 #ifndef HAVE_SOCKLEN_T

libjava/include/win32.h

@@ -48,6 +48,19 @@ _Jv_platform_close_on_exec (jint)
   // Ignore.
 }
 
+/* Suspends the execution of the current thread for the specified
+   number of microseconds.  Tries to emulate the behaviour of usleep()
+   on UNIX and provides a granularity of 1 millisecond.  */
+inline void
+_Jv_platform_usleep (unsigned long usecs)
+{
+  if (usecs > 0UL)
+    {
+      unsigned long millis = ((usecs + 999UL) / 1000UL);
+      Sleep (millis);
+    }
+}
+
 #ifndef DISABLE_JAVA_NET
 
 static inline int