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patch 7.4.1814

Problem:    A channel may be garbage collected while it's still being used by
            a job. (James McCoy)
Solution:   Mark the channel as used if the job is still used.  Do the same
            for channels that are still used.
This commit is contained in:
Bram Moolenaar
2016-05-01 14:22:16 +02:00
parent 9b4ebc692d
commit b8d4905592
4 changed files with 29 additions and 18 deletions

View File

@@ -3553,28 +3553,15 @@ set_ref_in_channel(int copyID)
{
int abort = FALSE;
channel_T *channel;
int part;
typval_T tv;
for (channel = first_channel; channel != NULL; channel = channel->ch_next)
{
for (part = PART_SOCK; part < PART_IN; ++part)
if (channel_still_useful(channel))
{
jsonq_T *head = &channel->ch_part[part].ch_json_head;
jsonq_T *item = head->jq_next;
while (item != NULL)
{
list_T *l = item->jq_value->vval.v_list;
if (l->lv_copyID != copyID)
{
l->lv_copyID = copyID;
abort = abort || set_ref_in_list(l, copyID, NULL);
}
item = item->jq_next;
}
tv.v_type = VAR_CHANNEL;
tv.vval.v_channel = channel;
abort = abort || set_ref_in_item(&tv, copyID, NULL, NULL);
}
}
return abort;
}
@@ -4092,6 +4079,26 @@ job_still_useful(job_T *job)
&& channel_still_useful(job->jv_channel)));
}
/*
* Mark references in jobs that are still useful.
*/
int
set_ref_in_job(int copyID)
{
int abort = FALSE;
job_T *job;
typval_T tv;
for (job = first_job; job != NULL; job = job->jv_next)
if (job_still_useful(job))
{
tv.v_type = VAR_JOB;
tv.vval.v_job = job;
abort = abort || set_ref_in_item(&tv, copyID, NULL, NULL);
}
return abort;
}
void
job_unref(job_T *job)
{

View File

@@ -7024,6 +7024,7 @@ garbage_collect(int testing)
#ifdef FEAT_JOB_CHANNEL
abort = abort || set_ref_in_channel(copyID);
abort = abort || set_ref_in_job(copyID);
#endif
#ifdef FEAT_NETBEANS_INTG
abort = abort || set_ref_in_nb_channel(copyID);

View File

@@ -49,6 +49,7 @@ void clear_job_options(jobopt_T *opt);
void free_job_options(jobopt_T *opt);
int get_job_options(typval_T *tv, jobopt_T *opt, int supported);
channel_T *get_channel_arg(typval_T *tv, int check_open, int reading, int part);
int set_ref_in_job(int copyID);
void job_unref(job_T *job);
int free_unused_jobs_contents(int copyID, int mask);
void free_unused_jobs(int copyID, int mask);

View File

@@ -753,6 +753,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1814,
/**/
1813,
/**/