[src/trunk]: src/tests/lib/libpthread_dbg Add threads5 in tests/lib/libpthrea...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/19f639f8be1c
branches:  trunk
changeset: 349023:19f639f8be1c
user:      kamil <kamil%NetBSD.org@localhost>
date:      Sun Nov 20 18:02:46 2016 +0000

description:
Add threads5 in tests/lib/libpthread_dbg/t_threads

Asserts that td_thr_getname() handles shorter buffer parameter and the
result is properly truncated.

Currently this test fails due to bug in pthread_dbg.

Sponsored by <The NetBSD Foundation>

diffstat:

 tests/lib/libpthread_dbg/t_threads.c |  91 ++++++++++++++++++++++++++++++++++-
 1 files changed, 86 insertions(+), 5 deletions(-)

diffs (125 lines):

diff -r 47f841c09f36 -r 19f639f8be1c tests/lib/libpthread_dbg/t_threads.c
--- a/tests/lib/libpthread_dbg/t_threads.c      Sun Nov 20 17:42:56 2016 +0000
+++ b/tests/lib/libpthread_dbg/t_threads.c      Sun Nov 20 18:02:46 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_threads.c,v 1.4 2016/11/20 17:42:56 kamil Exp $      */
+/*     $NetBSD: t_threads.c,v 1.5 2016/11/20 18:02:46 kamil Exp $      */
 
 /*-
  * Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -28,16 +28,14 @@
 
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_threads.c,v 1.4 2016/11/20 17:42:56 kamil Exp $");
+__RCSID("$NetBSD: t_threads.c,v 1.5 2016/11/20 18:02:46 kamil Exp $");
 
 #include <dlfcn.h>
 #include <pthread.h>
 #include <pthread_dbg.h>
 #include <stdio.h>
+#include <string.h>
 #include <unistd.h>
-#include <stdint.h>
-#include <inttypes.h>
-#include <stdlib.h>
 
 #include <atf-c.h>
 
@@ -319,6 +317,88 @@
            count, max_threads + 1);
 }
 
+ATF_TC(threads5);
+ATF_TC_HEAD(threads5, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr",
+           "Asserts that td_thr_getname() handles shorter buffer parameter "
+           "and the result is properly truncated");
+}
+
+static volatile int exiting5;
+
+static void *
+busyFunction5(void *arg)
+{
+
+       while (exiting5 == 0)
+               usleep(50000);
+
+       return NULL;
+}
+
+static int
+iterateThreads5(td_thread_t *thread, void *arg)
+{
+       int *counter = (int *)arg;
+       /* Arbitrarily short string buffer */
+       char name[3];
+
+       ATF_REQUIRE(td_thr_getname(thread, name, sizeof(name)) == TD_ERR_OK);
+
+       printf("Thread name: %s\n", name);
+
+       /* strlen(3) does not count including a '\0' character */
+       ATF_REQUIRE(strlen(name) < sizeof(name));
+
+       ++(*counter);
+
+       return TD_ERR_OK;
+}
+
+ATF_TC_BODY(threads5, tc)
+{
+       struct td_proc_callbacks_t dummy_callbacks;
+       td_proc_t *main_ta;
+       const size_t max_threads = 10;
+       size_t i;
+       pthread_t threads[max_threads];
+       int count = 0;
+
+       dummy_callbacks.proc_read       = basic_proc_read;
+       dummy_callbacks.proc_write      = basic_proc_write;
+       dummy_callbacks.proc_lookup     = basic_proc_lookup;
+       dummy_callbacks.proc_regsize    = dummy_proc_regsize;
+       dummy_callbacks.proc_getregs    = dummy_proc_getregs;
+       dummy_callbacks.proc_setregs    = dummy_proc_setregs;
+
+       for (i = 0; i < max_threads; i++) {
+               printf("Creating thread %zu\n", i);
+               PTHREAD_REQUIRE
+                   (pthread_create(&threads[i], NULL, busyFunction5, NULL));
+       }
+
+       for (i = 0; i < max_threads; i++) {
+               PTHREAD_REQUIRE
+                   (pthread_setname_np(threads[i], "test_%d", (void*)i));
+       }
+
+       printf("Calling td_open(3)\n");
+       ATF_REQUIRE(td_open(&dummy_callbacks, NULL, &main_ta) == TD_ERR_OK);
+
+       ATF_REQUIRE(td_thr_iter(main_ta, iterateThreads5, &count) == TD_ERR_OK);
+
+       exiting5 = 1;
+
+       printf("Calling td_close(3)\n");
+       ATF_REQUIRE(td_close(main_ta) == TD_ERR_OK);
+
+       ATF_REQUIRE_EQ_MSG(count, max_threads + 1,
+           "counted threads (%d) != expected threads (%d)",
+           count, max_threads + 1);
+}
+
 ATF_TP_ADD_TCS(tp)
 {
 
@@ -326,6 +406,7 @@
        ATF_TP_ADD_TC(tp, threads2);
        ATF_TP_ADD_TC(tp, threads3);
        ATF_TP_ADD_TC(tp, threads4);
+       ATF_TP_ADD_TC(tp, threads5);
 
        return atf_no_error();
 }