diff --git a/ChangeLog b/ChangeLog index 64a95d361e..c18ac5bc94 100644 --- a/ChangeLog +++ b/ChangeLog @@ -108,7 +108,7 @@ Bugfix * Fix incorrect unit in benchmark output. #850 * Fix crash when calling mbedtls_ssl_cache_free() twice. Found by MilenkoMitrovic, #1104 - * Fix mbedtls_timing_alarm(0) on Unix. + * Fix mbedtls_timing_alarm(0) on Unix and MinGW. * Fix use of uninitialized memory in mbedtls_timing_get_timer when reset=1. * Fix possible memory leaks in mbedtls_gcm_self_test(). * Added missing return code checks in mbedtls_aes_self_test(). diff --git a/library/timing.c b/library/timing.c index 6df137d2d3..35d6d89e2b 100644 --- a/library/timing.c +++ b/library/timing.c @@ -278,6 +278,14 @@ void mbedtls_set_alarm( int seconds ) { DWORD ThreadId; + if( seconds == 0 ) + { + /* No need to create a thread for this simple case. + * Also, this shorcut is more reliable at least on MinGW32 */ + mbedtls_timing_alarmed = 1; + return; + } + mbedtls_timing_alarmed = 0; alarmMs = seconds * 1000; CloseHandle( CreateThread( NULL, 0, TimerProc, NULL, 0, &ThreadId ) );