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lib/thread: Assert if spdk_thread_send_msg fails in API

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Add assert to prevent degradation from these improvement for
thread management.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I1e32fbda3b861c9f49d023c905bdce7411cb46d3
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/838
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
This commit is contained in:
Shuhei Matsumoto 2020-02-12 19:01:55 -05:00 committed by Tomasz Zawadzki
parent 49cffc1e68
commit 5feebd8528
1 changed files with 19 additions and 7 deletions
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26
lib/thread/thread.c
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@ -1025,6 +1025,7 @@ static void
spdk_on_thread(void *ctx)
{
struct call_thread *ct = ctx;
int rc __attribute__((unused));
ct->fn(ct->ctx);
@ -1035,14 +1036,15 @@ spdk_on_thread(void *ctx)
if (!ct->cur_thread) {
SPDK_DEBUGLOG(SPDK_LOG_THREAD, "Completed thread iteration\n");
spdk_thread_send_msg(ct->orig_thread, ct->cpl, ct->ctx);
rc = spdk_thread_send_msg(ct->orig_thread, ct->cpl, ct->ctx);
free(ctx);
} else {
SPDK_DEBUGLOG(SPDK_LOG_THREAD, "Continuing thread iteration to %s\n",
ct->cur_thread->name);
spdk_thread_send_msg(ct->cur_thread, spdk_on_thread, ctx);
rc = spdk_thread_send_msg(ct->cur_thread, spdk_on_thread, ctx);
}
assert(rc == 0);
}
void
@ -1050,6 +1052,7 @@ spdk_for_each_thread(spdk_msg_fn fn, void *ctx, spdk_msg_fn cpl)
{
struct call_thread *ct;
struct spdk_thread *thread;
int rc __attribute__((unused));
ct = calloc(1, sizeof(*ct));
if (!ct) {
@ -1078,7 +1081,8 @@ spdk_for_each_thread(spdk_msg_fn fn, void *ctx, spdk_msg_fn cpl)
SPDK_DEBUGLOG(SPDK_LOG_THREAD, "Starting thread iteration from %s\n",
ct->orig_thread->name);
spdk_thread_send_msg(ct->cur_thread, spdk_on_thread, ct);
rc = spdk_thread_send_msg(ct->cur_thread, spdk_on_thread, ct);
assert(rc == 0);
}
void
@ -1152,13 +1156,16 @@ _finish_unregister(void *arg)
static void
_spdk_io_device_free(struct io_device *dev)
{
int rc __attribute__((unused));
if (dev->unregister_cb == NULL) {
free(dev);
} else {
assert(dev->unregister_thread != NULL);
SPDK_DEBUGLOG(SPDK_LOG_THREAD, "io_device %s (%p) needs to unregister from thread %s\n",
dev->name, dev->io_device, dev->unregister_thread->name);
spdk_thread_send_msg(dev->unregister_thread, _finish_unregister, dev);
rc = spdk_thread_send_msg(dev->unregister_thread, _finish_unregister, dev);
assert(rc == 0);
}
}
@ -1365,6 +1372,7 @@ void
spdk_put_io_channel(struct spdk_io_channel *ch)
{
struct spdk_thread *thread;
int rc __attribute__((unused));
thread = spdk_get_thread();
if (!thread) {
@ -1387,7 +1395,8 @@ spdk_put_io_channel(struct spdk_io_channel *ch)
if (ch->ref == 0) {
ch->destroy_ref++;
spdk_thread_send_msg(thread, _spdk_put_io_channel, ch);
rc = spdk_thread_send_msg(thread, _spdk_put_io_channel, ch);
assert(rc == 0);
}
}
@ -1521,6 +1530,7 @@ spdk_for_each_channel_continue(struct spdk_io_channel_iter *i, int status)
{
struct spdk_thread *thread;
struct spdk_io_channel *ch;
int rc __attribute__((unused));
assert(i->cur_thread == spdk_get_thread());
@ -1537,7 +1547,8 @@ spdk_for_each_channel_continue(struct spdk_io_channel_iter *i, int status)
i->cur_thread = thread;
i->ch = ch;
pthread_mutex_unlock(&g_devlist_mutex);
spdk_thread_send_msg(thread, _call_channel, i);
rc = spdk_thread_send_msg(thread, _call_channel, i);
assert(rc == 0);
return;
}
}
@ -1549,7 +1560,8 @@ end:
i->ch = NULL;
pthread_mutex_unlock(&g_devlist_mutex);
spdk_thread_send_msg(i->orig_thread, _call_completion, i);
rc = spdk_thread_send_msg(i->orig_thread, _call_completion, i);
assert(rc == 0);
}