CMAKE option LIBICAL_SYNC_MODE_THREADLOCAL: Allow compiling all global variables with thread-local storage, thus avoiding the need for synchronization.concurrency_mode_threadlocal

1 files changed, 14 insertions, 0 deletions

diff --git a/src/test/icaltm_test.c b/src/test/icaltm_test.c
index 74bea858..e98e7f6a 100644
--- a/src/test/icaltm_test.c
+++ b/src/test/icaltm_test.c
@@ -16,7 +16,9 @@
 
 #include <pthread.h>
 
+#if ICAL_SYNC_MODE != ICAL_SYNC_MODE_THREADLOCAL
 static icaltimezone *zone, *utc;
+#endif
 
 static void *test_tread(void *user_data)
 {
@@ -24,6 +26,14 @@ static void *test_tread(void *user_data)
     int ii;
 
     _unused(user_data);
+
+#if ICAL_SYNC_MODE == ICAL_SYNC_MODE_THREADLOCAL
+    // In thread-local mode all initialization must be done per thread, so we do it here, rather
+    // than in main().
+    icaltimezone* zone = icaltimezone_get_builtin_timezone("America/New_York");
+    icaltimezone* utc = icaltimezone_get_utc_timezone();
+#endif
+
     itt = icaltime_from_string("19710203T040506");
     itt.zone = zone;
 
@@ -39,8 +49,12 @@ int main(void)
     pthread_t thread[2];
     int ii;
 
+#if ICAL_SYNC_MODE != ICAL_SYNC_MODE_THREADLOCAL
+    // In thread-local mode all initialization must be done per thread.
+    // In all other modes we do the initialization of built in timezones here.
     zone = icaltimezone_get_builtin_timezone("America/New_York");
     utc = icaltimezone_get_utc_timezone();
+#endif
 
     for (ii = 0; ii < 2; ii++) {
         pthread_create(&thread[ii], NULL, test_tread, NULL);