X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fjobs.c;h=41dbc71c4f73fcec4cd1e43bde43d566a56c47a5;hb=f3d1f19ae308cc0559728c0ccf6281cbce5ee37c;hp=a9773aa54b9bac32bd89bf6c3910155a0dc4557c;hpb=0ea0734fa3f304af325b4a0429bb0cfaabeeed96;p=src%2Fapp-framework-binder.git diff --git a/src/jobs.c b/src/jobs.c index a9773aa5..41dbc71c 100644 --- a/src/jobs.c +++ b/src/jobs.c @@ -502,7 +502,7 @@ static int start_one_thread() * @param start The start mode for threads * @return 0 in case of success or -1 in case of error */ -static int queue_job( +static int queue_job_internal( const void *group, int timeout, void (*callback)(int, void*), @@ -510,9 +510,7 @@ static int queue_job( enum start_mode start_mode) { struct job *job; - int rc; - - pthread_mutex_lock(&mutex); + int rc, busy; /* check availability */ if (remaining_job_count <= 0) { @@ -527,8 +525,9 @@ static int queue_job( goto error; /* start a thread if needed */ + busy = busy_thread_count == started_thread_count; if (start_mode != Start_Lazy - && busy_thread_count == started_thread_count + && busy && (start_mode == Start_Urgent || remaining_job_count + started_thread_count < allowed_job_count) && started_thread_count < allowed_thread_count) { /* all threads are busy and a new can be started */ @@ -537,24 +536,60 @@ static int queue_job( ERROR("can't start initial thread: %m"); goto error2; } + busy = 0; } /* queues the job */ job_add(job); - /* signal an existing job */ + /* wakeup an evloop if needed */ + if (busy) + evloop_wakeup(); + pthread_cond_signal(&cond); - pthread_mutex_unlock(&mutex); return 0; error2: job->next = first_free_job; first_free_job = job; error: - pthread_mutex_unlock(&mutex); return -1; } +/** + * Queues a new asynchronous job represented by 'callback' and 'arg' + * for the 'group' and the 'timeout'. + * Jobs are queued FIFO and are possibly executed in parallel + * concurrently except for job of the same group that are + * executed sequentially in FIFO order. + * @param group The group of the job or NULL when no group. + * @param timeout The maximum execution time in seconds of the job + * or 0 for unlimited time. + * @param callback The function to execute for achieving the job. + * Its first parameter is either 0 on normal flow + * or the signal number that broke the normal flow. + * The remaining parameter is the parameter 'arg1' + * given here. + * @param arg The second argument for 'callback' + * @param start The start mode for threads + * @return 0 in case of success or -1 in case of error + */ +static int queue_job( + const void *group, + int timeout, + void (*callback)(int, void*), + void *arg, + enum start_mode start_mode) +{ + int rc; + + pthread_mutex_lock(&mutex); + rc = queue_job_internal(group, timeout, callback, arg, start_mode); + pthread_mutex_unlock(&mutex); + return rc; + +} + /** * Queues a new asynchronous job represented by 'callback' and 'arg' * for the 'group' and the 'timeout'. @@ -667,30 +702,24 @@ static int do_sync( struct sync *sync ) { - struct job *job; + int rc; pthread_mutex_lock(&mutex); - /* allocates the job */ - job = job_create(group, timeout, sync_cb, sync); - if (!job) { - pthread_mutex_unlock(&mutex); - return -1; + rc = queue_job_internal(group, timeout, sync_cb, sync, Start_Default); + if (rc == 0) { + /* run until stopped */ + if (current_thread) + thread_run_internal(&sync->thread); + else + thread_run_external(&sync->thread); + if (!sync->thread.leaved) { + errno = EINTR; + rc = -1; + } } - - /* queues the job */ - job_add(job); - - /* run until stopped */ - if (current_thread) - thread_run_internal(&sync->thread); - else - thread_run_external(&sync->thread); pthread_mutex_unlock(&mutex); - if (sync->thread.leaved) - return 0; - errno = EINTR; - return -1; + return rc; } /** @@ -909,6 +938,7 @@ void jobs_exit(void (*handler)()) } /* wake up the threads */ + evloop_wakeup(); pthread_cond_broadcast(&cond); /* leave */