make lttctl and lttd interaction more standard : real daemon

git-svn-id: http://ltt.polymtl.ca/svn@1196 04897980-b3bd-0310-b5e0-8ef037075253

diff --git a/ltt/branches/poly/lttd/lttd.c b/ltt/branches/poly/lttd/lttd.c
index 3553dfaeda2191c8a84cce896c65b8fe69b2b359..02724ce5285f6d10bdedfff992510f2a6b0dd93b 100644 (file)
--- a/ltt/branches/poly/lttd/lttd.c
+++ b/ltt/branches/poly/lttd/lttd.c
@@ -67,7 +67,6 @@ static char *trace_name = NULL;
 static char *channel_name = NULL;
 static int     daemon_mode = 0;
 static int     append_mode = 0;
-static int     sig_parent = 0;
 volatile static int    quit_program = 0;       /* For signal handler */
 
 /* Args :
@@ -76,7 +75,7 @@ volatile static int   quit_program = 0;       /* For signal handler */
  * -c directory                Root directory of the relayfs trace channels.
  * -d                          Run in background (daemon).
  * -a                                                  Trace append mode.
- * -s                                                  Send SIGIO to parent when ready for IO.
+ * -s                                                  Send SIGUSR1 to parent when ready for IO.
  */
 void show_arguments(void)
 {
@@ -87,7 +86,6 @@ void show_arguments(void)
        printf("-c directory  Root directory of the relayfs trace channels.\n");
        printf("-d            Run in background (daemon).\n");
        printf("-a            Append to an possibly existing trace.\n");
-       printf("-s            Send SIGIO to parent when ready for IO.\n");
        printf("\n");
 }
 
@@ -133,9 +131,6 @@ int parse_arguments(int argc, char **argv)
                                        case 'a':
                                                append_mode = 1;
                                                break;
-                                       case 's':
-                                               sig_parent = 1;
-                                               break;
                                        default:
                                                printf("Invalid argument '%s'.\n", argv[argn]);
                                                printf("\n");
@@ -410,9 +405,6 @@ int read_channels(struct channel_trace_fd *fd_pairs)
                pollfd[i].events = POLLIN|POLLPRI;
        }
 
-       /* Signal the parent that ready for IO */
-       if(sig_parent) kill(getppid(), SIGIO);
-
        while(1) {
                high_prio = 0;
                num_hup = 0;