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Bug #1241

closed

lttng_destroy_session_no_wait always return LTTNG_ERR_INVALID in LTTng-2.11 and won't destroy the session

Added by Shuo Yang over 4 years ago. Updated over 4 years ago.

Status:
Resolved
Priority:
High
Assignee:
Jonathan Rajotte Julien
Target version:
LTTng - 2.11
Start date:
03/03/2020
Due date:
% Done:

100%

Estimated time:

Description

The implementation of "lttng_destroy_session_no_wait" (https://github.com/lttng/lttng-tools/blob/stable-2.11/src/lib/lttng-ctl/lttng-ctl.c#L2051) always returns "LTTNG_ERR_INVALID" in 2.11.

int lttng_destroy_session_no_wait(const char *session_name)
{
    enum lttng_error_code ret_code;

    ret_code = lttng_destroy_session_ext(session_name, NULL);
    return ret_code == LTTNG_OK ? ret_code : -ret_code;
}

It calls "lttng_destroy_session_ext" with the second argument "_handle" as NULL, which causes LTTNG_ERR_INVALID to be returned. (https://github.com/lttng/lttng-tools/blob/stable-2.11/src/lib/lttng-ctl/destruction-handle.c#L407)

    if (!session_name || !_handle) {
        ret_code = LTTNG_ERR_INVALID;
        goto error;
    }

Thus calling to "lttng_destroy_session_no_wait" won't actually destroy the session.

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