Madvise NOSYNC flag only if available

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
Reviewed-by: Steven Dake <sdake@redhat.com>

exec/coroipcs.c

@@ -250,7 +250,7 @@ memory_map (
 		munmap(addr_orig, bytes);
 		goto error_close_unlink;
 	}
-#ifdef COROSYNC_BSD
+#if (defined COROSYNC_BSD && defined MADV_NOSYNC)
 	madvise(addr, bytes, MADV_NOSYNC);
 #endif
 
@@ -305,7 +305,7 @@ circular_memory_map (
 		munmap(addr_orig, bytes);
 		goto error_close_unlink;
 	}
-#ifdef COROSYNC_BSD
+#if (defined COROSYNC_BSD && defined MADV_NOSYNC)
 	madvise(addr_orig, bytes, MADV_NOSYNC);
 #endif
 
@@ -317,7 +317,7 @@ circular_memory_map (
 		munmap(addr, bytes);
 		goto error_close_unlink;
 	}
-#ifdef COROSYNC_BSD
+#if (defined COROSYNC_BSD && defined MADV_NOSYNC)
 	madvise(((char *)addr_orig) + bytes, bytes, MADV_NOSYNC);
 #endif
 

exec/logsys.c

@@ -273,7 +273,7 @@ retry_write:
 		error_return = -1;
 		goto mmap_exit;
 	}
-	#ifdef COROSYNC_BSD
+	#if (defined COROSYNC_BSD && defined MADV_NOSYNC)
 		madvise(addr_orig, bytes, MADV_NOSYNC);
 	#endif
 
@@ -284,7 +284,7 @@ retry_write:
 		error_return = -1;
 		goto mmap_exit;
 	}
-#ifdef COROSYNC_BSD
+#if (defined COROSYNC_BSD && defined MADV_NOSYNC)
 	madvise(((char *)addr_orig) + bytes, bytes, MADV_NOSYNC);
 #endif
 

lib/coroipcc.c

@@ -353,7 +353,7 @@ retry_write:
 	if (addr != addr_orig) {
 		goto error_close_unlink;
 	}
-#ifdef COROSYNC_BSD
+#if (defined COROSYNC_BSD && defined MADV_NOSYNC)
 	madvise(addr_orig, bytes, MADV_NOSYNC);
 #endif
 
@@ -363,7 +363,7 @@ retry_write:
 	if (addr == MAP_FAILED) {
 		goto error_close_unlink;
 	}
-#ifdef COROSYNC_BSD
+#if (defined COROSYNC_BSD && defined MADV_NOSYNC)
 	madvise(((char *)addr_orig) + bytes, bytes, MADV_NOSYNC);
 #endif
 
@@ -463,7 +463,7 @@ retry_write:
 	if (addr != addr_orig) {
 		goto error_close_unlink;
 	}
-#ifdef COROSYNC_BSD
+#if (defined COROSYNC_BSD && defined MADV_NOSYNC)
 	madvise(addr_orig, bytes, MADV_NOSYNC);
 #endif