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authorShengYi Hung <aokblast@FreeBSD.org>2026-03-17 14:53:08 +0000
committerShengYi Hung <aokblast@FreeBSD.org>2026-03-22 02:48:24 +0000
commitc25976f0a9a3a102ce47b45c19b2c93e8069433b (patch)
tree49dc51f839a194d8ea0e03dbfce0bd48733ce6b0
parent191f47bcd65097599a962b46ae293e5ebe4e5b67 (diff)
libc: Fix cxa_thread_atexit{,nothr} test.
After patch 9d26b82, we don't provide recursive call protection anymore. Therefore, to pass the test, we adjust the testcase by protecting on caller and the testcase is to make sure the dtors is properly handled. Reported by: siva Reviewed by: kib Approved by: markj (mentor) Fixes: 9d26b82826d9 ("libc: Fix dtor order in __cxa_thread_atexit") MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D55893
-rw-r--r--lib/libc/tests/stdlib/cxa_thread_atexit_nothr_test.cc11
-rw-r--r--lib/libc/tests/stdlib/cxa_thread_atexit_test.cc10
2 files changed, 16 insertions, 5 deletions
diff --git a/lib/libc/tests/stdlib/cxa_thread_atexit_nothr_test.cc b/lib/libc/tests/stdlib/cxa_thread_atexit_nothr_test.cc
index 0b3b9497a6bd..d70c6b1b88dc 100644
--- a/lib/libc/tests/stdlib/cxa_thread_atexit_nothr_test.cc
+++ b/lib/libc/tests/stdlib/cxa_thread_atexit_nothr_test.cc
@@ -30,7 +30,10 @@
#include <cstdio>
#include <cstdlib>
+#define AGAIN_CALL_LIMIT 20
+
static FILE *output = NULL;
+static int again_counter = 0;
struct Foo {
Foo() { ATF_REQUIRE(fprintf(output, "Created\n") > 0); }
@@ -79,14 +82,16 @@ extern "C" int __cxa_thread_atexit(void (*)(void *), void *, void *);
static void
again(void *arg)
{
-
- __cxa_thread_atexit(again, arg, &output);
+ if (again_counter < AGAIN_CALL_LIMIT) {
+ again_counter++;
+ __cxa_thread_atexit(again, arg, &output);
+ }
}
ATF_TEST_CASE_WITHOUT_HEAD(cxx__thread_inf_dtors);
ATF_TEST_CASE_BODY(cxx__thread_inf_dtors)
{
-
+ skip("Skip since we only have main thread");
again(NULL);
}
diff --git a/lib/libc/tests/stdlib/cxa_thread_atexit_test.cc b/lib/libc/tests/stdlib/cxa_thread_atexit_test.cc
index 628a70b510d1..6a5587698d37 100644
--- a/lib/libc/tests/stdlib/cxa_thread_atexit_test.cc
+++ b/lib/libc/tests/stdlib/cxa_thread_atexit_test.cc
@@ -30,7 +30,10 @@
#include <cstdlib>
#include <thread>
+#define AGAIN_CALL_LIMIT 20
+
static FILE *output = NULL;
+static int again_counter = 0;
struct Foo {
Foo() { ATF_REQUIRE(fprintf(output, "Created\n") > 0); }
@@ -52,8 +55,10 @@ extern "C" int __cxa_thread_atexit(void (*)(void *), void *, void *);
static void
again(void *arg)
{
-
- __cxa_thread_atexit(again, arg, &output);
+ if (again_counter < AGAIN_CALL_LIMIT) {
+ ++again_counter;
+ __cxa_thread_atexit(again, arg, &output);
+ }
}
struct Baz {
@@ -164,6 +169,7 @@ ATF_TEST_CASE_BODY(cxx__thread_inf_dtors)
std::thread t([]() { e.use(); });
t.join();
+ ATF_REQUIRE_EQ(again_counter, AGAIN_CALL_LIMIT);
}
ATF_INIT_TEST_CASES(tcs)