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term: check return value when instantiating thread synchronization primitives

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Daniel Eklöf 2020-05-04 20:11:45 +02:00
parent 728db1df0e
commit 921331854a
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GPG key ID: 5BBD4992C116573F
1 changed files with 25 additions and 4 deletions
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29
terminal.c
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@ -480,10 +480,26 @@ initialize_render_workers(struct terminal *term)
{
LOG_INFO("using %zu rendering threads", term->render.workers.count);
sem_init(&term->render.workers.start, 0, 0);
sem_init(&term->render.workers.done, 0, 0);
mtx_init(&term->render.workers.lock, mtx_plain);
cnd_init(&term->render.workers.cond);
if (sem_init(&term->render.workers.start, 0, 0) < 0 ||
sem_init(&term->render.workers.done, 0, 0) < 0)
{
LOG_ERRNO("failed to instantiate render worker semaphores");
return false;
}
int err;
if ((err = mtx_init(&term->render.workers.lock, mtx_plain)) != thrd_success) {
LOG_ERR("failed to instantiate render worker mutex: %s (%d)",
thrd_err_as_string(err), err);
goto err_sem_destroy;
}
if ((err = cnd_init(&term->render.workers.cond)) != thrd_success) {
LOG_ERR(
"failed to instantiate render worker condition variable: %s (%d)",
thrd_err_as_string(err), err);
goto err_sem_destroy;
}
term->render.workers.threads = calloc(
term->render.workers.count, sizeof(term->render.workers.threads[0]));
@ -507,6 +523,11 @@ initialize_render_workers(struct terminal *term)
}
return true;
err_sem_destroy:
sem_destroy(&term->render.workers.start);
sem_destroy(&term->render.workers.done);
return false;
}
static bool