1 files changed, 78 insertions, 9 deletions

diff --git a/src/log.c b/src/log.c
index c117779..b8b2186 100644
--- a/src/log.c
+++ b/src/log.c
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$";
 
 /* 
  * $Log$
+ * Revision 1.12  2008/03/10 11:49:33  james
+ * *** empty log message ***
+ *
  * Revision 1.11  2008/03/07 13:16:02  james
  * *** empty log message ***
  *
@@ -47,8 +50,7 @@ static char rcsid[] = "$Id$";
 
 #include "project.h"
 
-typedef struct
-{
+typedef struct {
   LOG_SIGNATURE;
   int do_close;
   int rotate;
@@ -56,6 +58,69 @@ typedef struct
   char *filename;
 } File_Log;
 
+
+static Log *loggers = NULL;
+
+
+static void
+sighup (int dummy)
+{
+  Log *l;
+
+  for (l = loggers; l; l = l->next) {
+    if (l->sighup)
+      l->sighup (l);
+  }
+}
+
+
+void
+log_register_handlers (void)
+{
+  struct sigaction sa = { 0 };
+
+  sa.sa_handler = sighup;
+  sa.sa_flags = SA_RESTART;
+  sigaction (SIGHUP, &sa, NULL);
+}
+
+
+void
+log_add (Log * l)
+{
+  log_register_handlers ();
+
+  l->next = loggers;
+  loggers = l;
+}
+
+void
+log_remove (Log * l)
+{
+  Log **ptr = &loggers;
+
+  /* Take out of cleanup list */
+  while (*ptr && (*ptr != l))
+    ptr = &((*ptr)->next);
+
+  if (*ptr)
+    *ptr = l->next;
+}
+
+
+static void
+flog_sighup (Log * _l)
+{
+  File_Log *l = (File_Log *) _l;
+  if (!l->fp)
+    return;
+
+  fclose (l->fp);
+
+  l->fp = fopen (l->filename, "a+");
+}
+
+
 static void
 flog_log (Log * _l, char *buf)
 {
@@ -110,28 +175,32 @@ Log *
 file_log_new (char *fn, int rotate)
 {
   File_Log *l;
-  FILE *f;
   int dc = 1;
 
+  l = xmalloc (sizeof (File_Log));
+
   if (fn && strcmp (fn, "-")) {
-    f = fopen (fn, "a+");
-    if (!f)
+    l->fp = fopen (fn, "a+");
+    if (!l->fp) {
+      free (l);
       return NULL;
+    }
+    l->sighup = flog_sighup;
   } else {
-    f = stderr;
+    l->fp = stderr;
     dc = 0;
   }
 
-  l = xmalloc (sizeof (File_Log));
 
   l->log = flog_log;
   l->close = flog_close;
-  l->fp = f;
   l->do_close = dc;
   l->rotate = rotate;
   l->filename = strdup (fn);
 
-  fput_cp (f, 0xffef);
+  fput_cp (l->fp, 0xffef);
+
+  log_add ((Log *) l);
 
   return (Log *) l;
 }