The SIGINT handler destroyed the controller and called exit() from signal context.
Set a flag, break the sleep loop, and destroy the controller in main(). Signed-off-by: Stephen Hemminger <[email protected]> --- examples/vhost_blk/vhost_blk.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/examples/vhost_blk/vhost_blk.c b/examples/vhost_blk/vhost_blk.c index 9c9e326949..0665d9fb51 100644 --- a/examples/vhost_blk/vhost_blk.c +++ b/examples/vhost_blk/vhost_blk.c @@ -850,24 +850,18 @@ vhost_blk_ctrlr_destroy(struct vhost_blk_ctrlr *ctrlr) rte_vhost_driver_unregister(dev_pathname); } +/* Set by the SIGINT handler to break the main loop. */ +static volatile sig_atomic_t quit; + static void signal_handler(__rte_unused int signum) { - struct vhost_blk_ctrlr *ctrlr; - - ctrlr = vhost_blk_ctrlr_find(dev_pathname); - if (ctrlr == NULL) - return; - - if (ctrlr->started) - destroy_device(ctrlr->vid); - - vhost_blk_ctrlr_destroy(ctrlr); - exit(0); + quit = 1; } int main(int argc, char *argv[]) { + struct vhost_blk_ctrlr *ctrlr; int ret; /* init EAL */ @@ -895,9 +889,17 @@ int main(int argc, char *argv[]) } /* loop for exit the application */ - while (1) + while (!quit) sleep(1); + ctrlr = vhost_blk_ctrlr_find(dev_pathname); + if (ctrlr != NULL) { + if (ctrlr->started) + destroy_device(ctrlr->vid); + + vhost_blk_ctrlr_destroy(ctrlr); + } + /* clean up the EAL */ rte_eal_cleanup(); -- 2.53.0
