X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fht-cleanup.c;h=b5f58d06722e14c0659138904429dc6014b295d4;hb=f5436bfcf6797b979b308a9af782750f9d079686;hp=e5a291609b2c21963d172d3615a36889f8d4c891;hpb=7fa2082ed250230b7823e01b144aa6b580d4b2f5;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/ht-cleanup.c b/src/bin/lttng-sessiond/ht-cleanup.c index e5a291609..b5f58d067 100644 --- a/src/bin/lttng-sessiond/ht-cleanup.c +++ b/src/bin/lttng-sessiond/ht-cleanup.c @@ -64,13 +64,10 @@ void *thread_ht_cleanup(void *data) health_code_update(); while (1) { - int handled_event; - DBG3("[ht-thread] Polling."); /* Inifinite blocking call, waiting for transmission */ restart: - handled_event = 0; health_poll_entry(); ret = lttng_poll_wait(&events, -1); DBG3("[ht-thread] Returning from poll on %d fds.", @@ -106,37 +103,31 @@ restart: continue; } - if (revents & (LPOLLERR | LPOLLHUP | LPOLLRDHUP)) { + if (revents & LPOLLIN) { + /* Get socket from dispatch thread. */ + size_ret = lttng_read(ht_cleanup_pipe[0], &ht, + sizeof(ht)); + if (size_ret < sizeof(ht)) { + PERROR("ht cleanup notify pipe"); + goto error; + } + health_code_update(); + /* + * The whole point of this thread is to call + * lttng_ht_destroy from a context that is NOT: + * 1) a read-side RCU lock, + * 2) a call_rcu thread. + */ + lttng_ht_destroy(ht); + + health_code_update(); + } else if (revents & (LPOLLERR | LPOLLHUP | LPOLLRDHUP)) { ERR("ht cleanup pipe error"); goto error; - } else if (!(revents & LPOLLIN)) { - /* No POLLIN and not a catched error, stop the thread. */ - ERR("ht cleanup failed. revent: %u", revents); - goto error; - } - - /* Get socket from dispatch thread. */ - size_ret = lttng_read(ht_cleanup_pipe[0], &ht, - sizeof(ht)); - if (size_ret < sizeof(ht)) { - PERROR("ht cleanup notify pipe"); + } else { + ERR("Unexpected poll events %u for sock %d", revents, pollfd); goto error; } - health_code_update(); - /* - * The whole point of this thread is to call - * lttng_ht_destroy from a context that is NOT: - * 1) a read-side RCU lock, - * 2) a call_rcu thread. - */ - lttng_ht_destroy(ht); - - health_code_update(); - } - - /* Only check cleanup quit when no more work to do. */ - if (handled_event) { - continue; } for (i = 0; i < nb_fd; i++) {