log error paths

diff --git a/lib/pnd_notify.c b/lib/pnd_notify.c
index 48593c2..33d9714 100644 (file)
--- a/lib/pnd_notify.c
+++ b/lib/pnd_notify.c
@@ -3,6 +3,7 @@
 #include <stdio.h>          // for stdio, NULL
 #include <stdlib.h>         // for malloc, etc
 #include <unistd.h>         // for close
+#include <errno.h>          // for errno
 #include <time.h>           // for time()
 
 #define _XOPEN_SOURCE 500
@@ -136,6 +137,7 @@ unsigned char pnd_notify_rediscover_p ( pnd_notify_handle h ) {
   retcode = select ( (p->fd) + 1, &rfds, NULL, NULL, &t );
 
   if ( retcode < 0 ) {
+    pnd_log ( 3, "ERROR: notify: select failed: %d\n", errno );
     return ( 0 ); // hmm.. need a better error code handler
   } else if ( retcode == 0 ) {
     return ( 0 ); // timeout
@@ -153,6 +155,7 @@ unsigned char pnd_notify_rediscover_p ( pnd_notify_handle h ) {
   actuallen = read ( (p->fd), binbuf, BINBUFLEN );
 
   if ( actuallen < 0 ) {
+    pnd_log ( 3, "ERROR: notify: read failed: %d\n", errno );
     return ( 0 ); // error
   } else if ( actuallen == 0 ) {
     return ( 0 ); // nothing, or overflow, or .. whatever.