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Stop job prepare watcher when there are no jobs

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No need to check for job status when no jobs are running
This commit is contained in:
Thiago de Arruda 2014-04-18 10:52:08 -03:00
parent d59034ea93
commit 9979e9eac9
1 changed files with 17 additions and 2 deletions
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19
src/os/job.c
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@ -53,6 +53,7 @@ struct job {
}; };
static Job *table[MAX_RUNNING_JOBS] = {NULL}; static Job *table[MAX_RUNNING_JOBS] = {NULL};
static uint32_t job_count = 0;
static uv_prepare_t job_prepare; static uv_prepare_t job_prepare;
// Some helpers shared in this module // Some helpers shared in this module
@ -71,7 +72,6 @@ void job_init()
{ {
uv_disable_stdio_inheritance(); uv_disable_stdio_inheritance();
uv_prepare_init(uv_default_loop(), &job_prepare); uv_prepare_init(uv_default_loop(), &job_prepare);
uv_prepare_start(&job_prepare, job_prepare_cb);
} }
void job_teardown() void job_teardown()
@ -195,6 +195,12 @@ int job_start(char **argv,
// Save the job to the table // Save the job to the table
table[i] = job; table[i] = job;
// Start polling job status if this is the first
if (job_count == 0) {
uv_prepare_start(&job_prepare, job_prepare_cb);
}
job_count++;
return job->id; return job->id;
} }
@ -234,13 +240,22 @@ void job_exit_event(Event event)
{ {
Job *job = event.data.job; Job *job = event.data.job;
// Free the slot now, 'exit_cb' may want to start another job to replace
// this one
table[job->id - 1] = NULL;
// Invoke the exit callback // Invoke the exit callback
job->exit_cb(job, job->data); job->exit_cb(job, job->data);
// Free the job resources // Free the job resources
table[job->id - 1] = NULL;
shell_free_argv(job->proc_opts.args); shell_free_argv(job->proc_opts.args);
free_job(job); free_job(job);
// Stop polling job status if this was the last
job_count--;
if (job_count == 0) {
uv_prepare_stop(&job_prepare);
}
} }
int job_id(Job *job) int job_id(Job *job)