Add comment for the session list lock

[lttng-tools.git] / lttng / commands / add_context.c

diff --git a/lttng/commands/add_context.c b/lttng/commands/add_context.c
index afec9dab73ee469c754f53d2dd6734ec2401125d..f9094adc0af5c73ca8ab55ba4cd4fbd940208a07 100644 (file)
--- a/lttng/commands/add_context.c
+++ b/lttng/commands/add_context.c
@@ -32,6 +32,7 @@
 static char *opt_event_name;
 static char *opt_channel_name;
 static char *opt_perf_name;
+static char *opt_session_name;
 static int *opt_kernel;
 static int opt_pid_all;
 static int opt_userspace;
@@ -48,6 +49,7 @@ enum {
 static struct poptOption long_options[] = {
        /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
        {"help",           'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
+       {"session",        's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0},
        {"channel",        'c', POPT_ARG_STRING, &opt_channel_name, 0, 0, 0},
        {"event",          'e', POPT_ARG_STRING, &opt_event_name, 0, 0, 0},
        {"kernel",         'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
@@ -70,6 +72,7 @@ static void usage(FILE *ofp)
        fprintf(ofp, "\n");
        fprintf(ofp, "Options:\n");
        fprintf(ofp, "  -h, --help               Show this help\n");
+       fprintf(ofp, "  -s, --session            Apply on session name\n");
        fprintf(ofp, "  -c, --channel NAME       Apply on channel\n");
        fprintf(ofp, "  -e, --event NAME         Apply on event\n");
        fprintf(ofp, "  -k, --kernel             Apply for the kernel tracer\n");
@@ -123,7 +126,7 @@ static int add_context(void)
        int ret = CMD_SUCCESS;
        struct lttng_kernel_context context;
 
-       if (set_session_name() < 0) {
+       if (set_session_name(opt_session_name) < 0) {
                ret = CMD_ERROR;
                goto error;
        }