diff options
| author | Frank Ch. Eigler <fche@elastic.org> | 2008-06-16 17:59:22 -0400 |
|---|---|---|
| committer | Frank Ch. Eigler <fche@elastic.org> | 2008-06-16 17:59:22 -0400 |
| commit | f1552be17f72676f8fbc2c40292f4aebf883c321 (patch) | |
| tree | f788de6e998c87ce6760d4ddfb9921cead6f4dff /runtime/task_finder.c | |
| parent | cfd621bc5bffb042aade8c6ec2d5b1b38cc58f5a (diff) | |
| parent | 50446916683379f963eaaedb965654d464cd049f (diff) | |
| download | systemtap-steved-f1552be17f72676f8fbc2c40292f4aebf883c321.tar.gz systemtap-steved-f1552be17f72676f8fbc2c40292f4aebf883c321.tar.xz systemtap-steved-f1552be17f72676f8fbc2c40292f4aebf883c321.zip | |
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
* 'master' of ssh://sources.redhat.com/git/systemtap:
Improved callback handling.
Create alternative list only as needed.
Diffstat (limited to 'runtime/task_finder.c')
| -rw-r--r-- | runtime/task_finder.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/runtime/task_finder.c b/runtime/task_finder.c index 8448f29c..e853cb2a 100644 --- a/runtime/task_finder.c +++ b/runtime/task_finder.c @@ -654,19 +654,21 @@ stap_start_task_finder(void) cb_tgt = list_entry(cb_node, struct stap_task_finder_target, callback_list); - if (cb_tgt == NULL || cb_tgt->callback == NULL) + if (cb_tgt == NULL) continue; // Call the callback. Assume that if // the thread is a thread group // leader, it is a process. - rc = cb_tgt->callback(tsk, 1, - (tsk->pid == tsk->tgid), - cb_tgt); - if (rc != 0) { - _stp_error("attach callback for %d failed: %d", - (int)tsk->pid, rc); - goto stf_err; + if (cb_tgt->callback != NULL) { + rc = cb_tgt->callback(tsk, 1, + (tsk->pid == tsk->tgid), + cb_tgt); + if (rc != 0) { + _stp_error("attach callback for %d failed: %d", + (int)tsk->pid, rc); + goto stf_err; + } } // Set up events we need for attached tasks. |