diff options
Diffstat (limited to 'src/kernel/user/process.c')
-rw-r--r-- | src/kernel/user/process.c | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/src/kernel/user/process.c b/src/kernel/user/process.c index 63b568a..e46fde8 100644 --- a/src/kernel/user/process.c +++ b/src/kernel/user/process.c @@ -161,26 +161,14 @@ void current_process_exit(int status, int exit_code) { free(d); } - process_t *p = current_process(); - - mutex_lock(&p->lock); - if (p->status == PS_EXITING) { - mutex_unlock(&p->lock); - exit(); - } - - p->status = PS_EXITING; - exit_data_t *d = (exit_data_t*)malloc(sizeof(exit_data_t)); - d->proc = p; + d->proc = current_process();; d->status = status; d->exit_code = exit_code; while (!worker_push(process_exit_v, d)) yield(); - mutex_unlock(&p->lock); - exit(); } @@ -197,17 +185,21 @@ void process_exit(process_t *p, int status, int exit_code) { mutex_lock(&p->lock); - ASSERT(p->status == PS_RUNNING || p->status == PS_LOADING || p->status == PS_EXITING); + if (!(p->status == PS_RUNNING || p->status == PS_LOADING)) { + mutex_unlock(&p->lock); + return; + } + p->status = status; p->exit_code = exit_code; // neutralize the process while (p->threads != 0) { thread_t *t = p->threads; - p->threads = p->threads->next_in_proc; + p->threads = t->next_in_proc; - t->proc = 0; // we don't want process_thread_deleted to be called kill_thread(t); + delete_thread(t); } // terminate all the children as well and free associated process_t structures @@ -259,26 +251,35 @@ void process_exit(process_t *p, int status, int exit_code) { mutex_unlock(&p->lock); } -void process_thread_deleted(thread_t *t) { +void process_thread_exited(thread_t *t) { process_t *p = t->proc; + if (p->status != PS_RUNNING) return; + mutex_lock(&p->lock); - if (p->threads == t) { - p->threads = t->next_in_proc; - } else { - for (thread_t *it = p->threads; it != 0; it = it->next_in_proc) { - if (it->next_in_proc == t) { - it->next_in_proc = t->next_in_proc; - break; + if (p->status == PS_RUNNING) { + if (p->threads == t) { + p->threads = t->next_in_proc; + } else { + for (thread_t *it = p->threads; it != 0; it = it->next_in_proc) { + if (it->next_in_proc == t) { + it->next_in_proc = t->next_in_proc; + break; + } } } + + delete_thread(t); + + if (p->threads == 0) { + mutex_unlock(&p->lock); + process_exit(p, PS_FINISHED, 0); + return; + } } mutex_unlock(&p->lock); - - if (p->threads == 0 && p->status == PS_RUNNING) - process_exit(p, PS_FINISHED, 0); } // =========================== // |