port: Add pthread_setname_np FreeBSD compat

[lttng-tools.git] / tests / unit / test_utils_compat_pthread.c

diff --git a/tests/unit/test_utils_compat_pthread.c b/tests/unit/test_utils_compat_pthread.c
new file mode 100644 (file)
index 0000000..d9e59bc
--- /dev/null
+++ b/tests/unit/test_utils_compat_pthread.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2020 Michael Jeanson <mjeanson@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "common/compat/pthread.h"
+
+#include <tap/tap.h>
+
+#define TEST_NAME_PROPER_LEN 16
+
+int main()
+{
+       int ret;
+       char name1[TEST_NAME_PROPER_LEN];
+       char name2[TEST_NAME_PROPER_LEN];
+       char too_long_name[] = "thisnameistoolong";
+       char short_name[] = "labatt50";
+       char long_name[] = "procrastinating";
+
+       plan_tests(10);
+
+       /* Get the initial thread name */
+       ret = lttng_pthread_getname_np(name1, TEST_NAME_PROPER_LEN);
+       ok(ret == 0, "Get the thread name: '%s'", name1);
+
+       /* Set a thread name of more than 16 bytes, should fail */
+       ret = lttng_pthread_setname_np(too_long_name);
+       ok(ret == ERANGE, "Set a too long thread name: '%s'", too_long_name);
+
+       /* Get the thread name again, shouldn't have changed */
+       ret = lttng_pthread_getname_np(name2, TEST_NAME_PROPER_LEN);
+       ok(ret == 0, "Get the thread name: '%s'", name2);
+       ok(strcmp(name1, name2) == 0, "Compare the initial thread name: '%s' == '%s'", name1, name2);
+
+       /* Set a thread name of less than 16 bytes */
+       ret = lttng_pthread_setname_np(short_name);
+       ok(ret == 0, "Set a short thread name: '%s'", short_name);
+
+       /* Get the thread name again, should be the one we set */
+       ret = lttng_pthread_getname_np(name1, TEST_NAME_PROPER_LEN);
+       ok(ret == 0, "Get a short thread name: '%s'", name1);
+       ok(strcmp(short_name, name1) == 0, "Compare the short thread name: '%s' == '%s'", short_name, name1);
+
+
+       /* Set a thread name of 16 bytes */
+       ret = lttng_pthread_setname_np(long_name);
+       ok(ret == 0, "Set a long thread name: '%s'", long_name);
+
+       /* Get the thread name again, should be the one we set */
+       ret = lttng_pthread_getname_np(name1, TEST_NAME_PROPER_LEN);
+       ok(ret == 0, "Get a long thread name: '%s'", name1);
+       ok(strncmp(long_name, name1, TEST_NAME_PROPER_LEN - 1) == 0, "Compare the long thread name: '%s' == '%s'", long_name, name1);
+
+       return exit_status();
+}