configure.in: Check for usleep declaration.

	* configure.in: Check for usleep declaration.
	* acconfig.h (HAVE_USLEEP_DECL): Provide template.
	* configure: Regenerate.
	* include/config.h.in: Likewise.
	* include/posix.h [!HAVE_USLEEP_DECL]: Declare usleep.

From-SVN: r69041

libjava/ChangeLog

+2003-07-07  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	* configure.in: Check for usleep declaration.
+	* acconfig.h (HAVE_USLEEP_DECL): Provide template.
+	* configure: Regenerate.
+	* include/config.h.in: Likewise.
+	* include/posix.h [!HAVE_USLEEP_DECL]: Declare usleep.
+
 2003-07-01  Michael Koch  <konqueror@gmx.de>
 
 	* gnu/gcj/convert/natIconv.cc

libjava/acconfig.h

@@ -83,6 +83,9 @@
 /* Define if gethostbyaddr_r returns `int'.  */
 #undef GETHOSTBYADDR_R_RETURNS_INT
 
+/* Define if usleep is declared in <unistd.h>.  */
+#undef HAVE_USLEEP_DECL
+
 /* Define if struct tm has tm_gmtoff field.  */
 #undef STRUCT_TM_HAS_GMTOFF
 

libjava/configure.in

@@ -678,6 +678,10 @@ else
      AC_EGREP_HEADER(gethostname, unistd.h, [
        AC_DEFINE(HAVE_GETHOSTNAME_DECL)])])
 
+   AC_CHECK_FUNCS(usleep, [
+     AC_EGREP_HEADER(usleep, unistd.h, [
+       AC_DEFINE(HAVE_USLEEP_DECL)])])
+
    # Look for these functions in the thread library, but only bother
    # if using POSIX threads.
    if test "$THREADS" = posix; then

libjava/include/config.h.in

@@ -114,6 +114,9 @@
 /* Define if gethostbyaddr_r returns `int'.  */
 #undef GETHOSTBYADDR_R_RETURNS_INT
 
+/* Define if usleep is declared in <unistd.h>.  */
+#undef HAVE_USLEEP_DECL
+
 /* Define if struct tm has tm_gmtoff field.  */
 #undef STRUCT_TM_HAS_GMTOFF
 
@@ -319,6 +322,9 @@
 /* Define if you have the unlink function.  */
 #undef HAVE_UNLINK
 
+/* Define if you have the usleep function.  */
+#undef HAVE_USLEEP
+
 /* Define if you have the utime function.  */
 #undef HAVE_UTIME
 

libjava/include/posix.h

@@ -92,6 +92,10 @@ _Jv_platform_close_on_exec (jint fd)
 #undef fcntl
 
 #ifdef JV_HASH_SYNCHRONIZATION
+#ifndef HAVE_USLEEP_DECL
+extern "C" int usleep (useconds_t useconds);
+#endif /* not HAVE_USLEEP_DECL */
+
 inline void
 _Jv_platform_usleep (unsigned long usecs)
 {