ivampiresp/Spdk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

thread: In interrupt mode, exit thread by sending a message

Browse Source 
Don't assume spdk_thread_poll() will ever get called. Instead, send
a message to process the exit.

Change-Id: Idd98e7e8164c5efebd0d7c9287e62731e7cbc998
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15551
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: John Levon <levon@movementarian.org>
This commit is contained in:
Ben Walker 2022-11-21 12:55:19 -07:00 committed by Tomasz Zawadzki
parent 5ecfb22192
commit 059073c4d9
1 changed files with 21 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
lib/thread/thread.c
View File

@ -681,6 +681,8 @@ exited:
}
}
static void _thread_exit(void *ctx);
int
spdk_thread_exit(struct spdk_thread *thread)
{
@ -698,6 +700,11 @@ spdk_thread_exit(struct spdk_thread *thread)
thread->exit_timeout_tsc = spdk_get_ticks() + (spdk_get_ticks_hz() *
SPDK_THREAD_EXIT_TIMEOUT_SEC);
thread->state = SPDK_THREAD_STATE_EXITING;
if (spdk_interrupt_mode_is_enabled()) {
spdk_thread_send_msg(thread, _thread_exit, thread);
}
return 0;
}
@ -1122,6 +1129,16 @@ _thread_remove_pollers(void *ctx)
thread->poller_unregistered = false;
}
static void
_thread_exit(void *ctx)
{
struct spdk_thread *thread = ctx;
assert(thread->state == SPDK_THREAD_STATE_EXITING);
thread_exit(thread, spdk_get_ticks());
}
int
spdk_thread_poll(struct spdk_thread *thread, uint32_t max_msgs, uint64_t now)
{
@ -1144,16 +1161,15 @@ spdk_thread_poll(struct spdk_thread *thread, uint32_t max_msgs, uint64_t now)
*/
rc = thread_poll(thread, max_msgs, now);
}
if (spdk_unlikely(thread->state == SPDK_THREAD_STATE_EXITING)) {
thread_exit(thread, now);
}
} else {
/* Non-block wait on thread's fd_group */
rc = spdk_fd_group_wait(thread->fgrp, 0);
}
if (spdk_unlikely(thread->state == SPDK_THREAD_STATE_EXITING)) {
thread_exit(thread, now);
}
thread_update_stats(thread, spdk_get_ticks(), now, rc);
tls_thread = orig_thread;