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Merge branch 'obsd-master'

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This commit is contained in:
Thomas Adam
2017-04-20 12:01:14 +01:00
parent e30f9dc1fa 21993105e5
commit 48371216df
10 changed files with 119 additions and 64 deletions
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49
job.c
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@@ -32,8 +32,9 @@
* output.
*/
static void job_callback(struct bufferevent *, short, void *);
static void job_read_callback(struct bufferevent *, void *);
static void job_write_callback(struct bufferevent *, void *);
static void job_error_callback(struct bufferevent *, short, void *);
/* All jobs list. */
struct joblist all_jobs = LIST_HEAD_INITIALIZER(all_jobs);
@@ -41,7 +42,8 @@ struct joblist all_jobs = LIST_HEAD_INITIALIZER(all_jobs);
/* Start a job running, if it isn't already. */
struct job *
job_run(const char *cmd, struct session *s, const char *cwd,
void (*callbackfn)(struct job *), void (*freefn)(void *), void *data)
job_update_cb updatecb, job_complete_cb completecb, job_free_cb freecb,
void *data)
{
struct job *job;
struct environ *env;
@@ -103,17 +105,18 @@ job_run(const char *cmd, struct session *s, const char *cwd,
job->pid = pid;
job->status = 0;
LIST_INSERT_HEAD(&all_jobs, job, lentry);
LIST_INSERT_HEAD(&all_jobs, job, entry);
job->callbackfn = callbackfn;
job->freefn = freefn;
job->updatecb = updatecb;
job->completecb = completecb;
job->freecb = freecb;
job->data = data;
job->fd = out[0];
setblocking(job->fd, 0);
job->event = bufferevent_new(job->fd, NULL, job_write_callback,
job_callback, job);
job->event = bufferevent_new(job->fd, job_read_callback,
job_write_callback, job_error_callback, job);
bufferevent_enable(job->event, EV_READ|EV_WRITE);
log_debug("run job %p: %s, pid %ld", job, job->cmd, (long) job->pid);
@@ -126,11 +129,11 @@ job_free(struct job *job)
{
log_debug("free job %p: %s", job, job->cmd);
LIST_REMOVE(job, lentry);
LIST_REMOVE(job, entry);
free(job->cmd);
if (job->freefn != NULL && job->data != NULL)
job->freefn(job->data);
if (job->freecb != NULL && job->data != NULL)
job->freecb(job->data);
if (job->pid != -1)
kill(job->pid, SIGTERM);
@@ -142,7 +145,21 @@ job_free(struct job *job)
free(job);
}
/* Called when output buffer falls below low watermark (default is 0). */
/* Job buffer read callback. */
static void
job_read_callback(__unused struct bufferevent *bufev, void *data)
{
struct job *job = data;
if (job->updatecb != NULL)
job->updatecb (job);
}
/*
* Job buffer write callback. Fired when the buffer falls below watermark
* (default is empty). If all the data has been written, disable the write
* event.
*/
static void
job_write_callback(__unused struct bufferevent *bufev, void *data)
{
@@ -160,7 +177,7 @@ job_write_callback(__unused struct bufferevent *bufev, void *data)
/* Job buffer error callback. */
static void
job_callback(__unused struct bufferevent *bufev, __unused short events,
job_error_callback(__unused struct bufferevent *bufev, __unused short events,
void *data)
{
struct job *job = data;
@@ -168,8 +185,8 @@ job_callback(__unused struct bufferevent *bufev, __unused short events,
log_debug("job error %p: %s, pid %ld", job, job->cmd, (long) job->pid);
if (job->state == JOB_DEAD) {
if (job->callbackfn != NULL)
job->callbackfn(job);
if (job->completecb != NULL)
job->completecb(job);
job_free(job);
} else {
bufferevent_disable(job->event, EV_READ);
@@ -186,8 +203,8 @@ job_died(struct job *job, int status)
job->status = status;
if (job->state == JOB_CLOSED) {
if (job->callbackfn != NULL)
job->callbackfn(job);
if (job->completecb != NULL)
job->completecb(job);
job_free(job);
} else {
job->pid = -1;