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Add threads5 in tests/lib/libpthread_dbg/t_threads

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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>
This commit is contained in:
kamil 2016-11-20 18:02:46 +00:00
parent 34d01260b7
commit 0689e7f73f
1 changed files with 86 additions and 5 deletions
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91
tests/lib/libpthread_dbg/t_threads.c
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@ -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 @@ ATF_TC_BODY(threads4, tc)
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_TCS(tp)
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();
}