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patch 7.4.1386

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Problem:    When the Job exit callback is invoked, the job may be freed too
            soon. (Yasuhiro Matsumoto)
Solution:   Increase refcount.
This commit is contained in:
Bram Moolenaar
2016-02-22 11:39:27 +01:00
parent 5e83840756
commit 23c463a157
2 changed files with 6 additions and 2 deletions
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6
src/eval.c
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@@ -15039,7 +15039,8 @@ job_status(job_T *job)
typval_T rettv;
int dummy;
/* invoke the exit callback */
/* invoke the exit callback; make sure the refcount is > 0 */
++job->jv_refcount;
argv[0].v_type = VAR_JOB;
argv[0].vval.v_job = job;
argv[1].v_type = VAR_NUMBER;
@@ -15047,10 +15048,11 @@ job_status(job_T *job)
call_func(job->jv_exit_cb, (int)STRLEN(job->jv_exit_cb),
&rettv, 2, argv, 0L, 0L, &dummy, TRUE, NULL);
clear_tv(&rettv);
--job->jv_refcount;
}
if (job->jv_status == JOB_ENDED && job->jv_refcount == 0)
{
/* The job already was unreferenced, now that it ended it can be
/* The job was already unreferenced, now that it ended it can be
* freed. Careful: caller must not use "job" after this! */
job_free(job);
}