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-rw-r--r--tools.c35
1 files changed, 34 insertions, 1 deletions
diff --git a/tools.c b/tools.c
index 6b08d65d..bf07ad07 100644
--- a/tools.c
+++ b/tools.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: tools.c 1.36 2001/08/11 08:52:27 kls Exp $
+ * $Id: tools.c 1.37 2001/08/11 11:14:19 kls Exp $
*/
#define _GNU_SOURCE
@@ -15,6 +15,7 @@
#if defined(DEBUG_OSD)
#include <ncurses.h>
#endif
+#include <stdlib.h>
#include <sys/time.h>
#include <unistd.h>
@@ -315,6 +316,38 @@ char *ReadLink(const char *FileName)
return TargetName ? strdup(TargetName) : NULL;
}
+bool SpinUpDisk(const char *FileName)
+{
+ static char *buf = NULL;
+ for (int n = 0; n < 10; n++) {
+ delete buf;
+ if (DirectoryOk(FileName))
+ asprintf(&buf, "%s/vdr-%06d", *FileName ? FileName : ".", n);
+ else
+ asprintf(&buf, "%s.vdr-%06d", FileName, n);
+ if (access(buf, F_OK) != 0) { // the file does not exist
+ timeval tp1, tp2;
+ gettimeofday(&tp1, NULL);
+ int f = open(buf, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+ // O_SYNC doesn't work on all file systems
+ if (f >= 0) {
+ close(f);
+ system("sync");
+ remove(buf);
+ gettimeofday(&tp2, NULL);
+ double seconds = (((long long)tp2.tv_sec * 1000000 + tp2.tv_usec) - ((long long)tp1.tv_sec * 1000000 + tp1.tv_usec)) / 1000000.0;
+ if (seconds > 0.5)
+ dsyslog(LOG_INFO, "SpinUpDisk took %.2f seconds\n", seconds);
+ return true;
+ }
+ else
+ LOG_ERROR_STR(buf);
+ }
+ }
+ esyslog(LOG_ERR, "ERROR: SpinUpDisk failed");
+ return false;
+}
+
// --- cFile -----------------------------------------------------------------
bool cFile::files[FD_SETSIZE] = { false };