X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fstart.c;h=6c9497d57bd12bab12a671ffc2229bc73f206cd3;hb=b7f4ea0f4c6ac71da5e4e6fe988df4d35734332a;hp=69bd9221fe475cb93668964efc29620688e315e2;hpb=8aec5b83b24d5bf585410bcf83592c3147337224;p=lttng-tools.git diff --git a/src/bin/lttng/commands/start.c b/src/bin/lttng/commands/start.c index 69bd9221f..6c9497d57 100644 --- a/src/bin/lttng/commands/start.c +++ b/src/bin/lttng/commands/start.c @@ -20,7 +20,6 @@ #include "../command.h" -static char *opt_session_name; static struct mi_writer *writer; #ifdef LTTNG_EMBED_HELP @@ -76,19 +75,23 @@ end: * * Start tracing for all trace of the session. */ -static int start_tracing(void) +static int start_tracing(const char *arg_session_name) { int ret; char *session_name; - if (opt_session_name == NULL) { + if (arg_session_name == NULL) { session_name = get_session_name(); + } else { + session_name = strdup(arg_session_name); if (session_name == NULL) { - ret = CMD_ERROR; - goto error; + PERROR("Failed to copy session name"); } - } else { - session_name = opt_session_name; + } + + if (session_name == NULL) { + ret = CMD_ERROR; + goto error; } DBG("Starting tracing for session %s", session_name); @@ -118,9 +121,7 @@ static int start_tracing(void) } free_name: - if (opt_session_name == NULL) { - free(session_name); - } + free(session_name); error: return ret; } @@ -134,6 +135,7 @@ int cmd_start(int argc, const char **argv) { int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1; static poptContext pc; + const char *arg_session_name = NULL; const char *leftover = NULL; pc = poptGetContext(NULL, argc, argv, long_options, 0); @@ -153,7 +155,7 @@ int cmd_start(int argc, const char **argv) } } - opt_session_name = (char*) poptGetArg(pc); + arg_session_name = poptGetArg(pc); leftover = poptGetArg(pc); if (leftover) { @@ -198,7 +200,7 @@ int cmd_start(int argc, const char **argv) } } - command_ret = start_tracing(); + command_ret = start_tracing(arg_session_name); if (command_ret) { success = 0; }