X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsd-daemon.h;h=2fbfe955cef5c98a3cb4a2b6fb56ebd2a0fb49b6;hp=347421381f4ec61d14cea796b8954ace502c5f7b;hb=5c78d8e24289e8a88e355345192f6a416c1ebfc3;hpb=96d4ce01103ebebe9335fb321667043bb620c06b

diff --git a/src/sd-daemon.h b/src/sd-daemon.h
index 347421381..2fbfe955c 100644
--- a/src/sd-daemon.h
+++ b/src/sd-daemon.h
@@ -69,9 +69,13 @@ extern "C" {
 
 #if __GNUC__ >= 4
 #define _sd_printf_attr_(a,b) __attribute__ ((format (printf, a, b)))
-#define _sd_hidden_ __attribute__ ((visibility("hidden")))
 #else
 #define _sd_printf_attr_(a,b)
+#endif
+
+#if (__GNUC__ >= 4) && !defined(SD_EXPORT_SYMBOLS)
+#define _sd_hidden_ __attribute__ ((visibility("hidden")))
+#else
 #define _sd_hidden_
 #endif
 
@@ -250,6 +254,16 @@ int sd_notifyf(int unset_environment, const char *format, ...) _sd_printf_attr_(
 */
 int sd_booted(void) _sd_hidden_;
 
+/*
+  Controls ongoing disk read-ahead operations during boot-up. The argument
+  must be a string, and either "cancel", "done" or "noreplay".
+
+  cancel = terminate read-ahead data collection, drop collected information
+  done = terminate read-ahead data collection, keep collected information
+  noreplay = terminate read-ahead replay
+*/
+int sd_readahead(const char *action);
+
 #ifdef __cplusplus
 }
 #endif