diff options
Diffstat (limited to 'cpukit/posix/src/psignal.c')
| -rw-r--r-- | cpukit/posix/src/psignal.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/cpukit/posix/src/psignal.c b/cpukit/posix/src/psignal.c index e9831256a6..426f54aec6 100644 --- a/cpukit/posix/src/psignal.c +++ b/cpukit/posix/src/psignal.c @@ -1,5 +1,5 @@ /* - * COPYRIGHT (c) 1989-2007. + * COPYRIGHT (c) 1989-2011. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be @@ -106,6 +106,13 @@ void _POSIX_signals_Post_switch_extension( POSIX_API_Control *api; int signo; ISR_Level level; + int hold_errno; + + /* + * We need to ensure that if the signal handler executes a call + * which overwrites the unblocking status, we restore it. + */ + hold_errno = _Thread_Executing->Wait.return_code; api = the_thread->API_Extensions[ THREAD_API_POSIX ]; if ( !api ) |