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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1996-06-13 16:42:21 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1996-06-13 16:42:21 +0000 |
commit | b85649c47b1510c981fece87d9b27c8534717ab0 (patch) | |
tree | cd44cd8238c1e46b583dc1c2839cb880678ac67a /cpukit/posix/src/psignal.c | |
parent | added prototype for manager initialization routine. (diff) | |
download | rtems-b85649c47b1510c981fece87d9b27c8534717ab0.tar.bz2 |
basic test cases for kill() and alarm().
kill() in particular needs more test cases for full coverage. The search
for a thread interested in this signal has a lot of paths.
Diffstat (limited to 'cpukit/posix/src/psignal.c')
-rw-r--r-- | cpukit/posix/src/psignal.c | 61 |
1 files changed, 50 insertions, 11 deletions
diff --git a/cpukit/posix/src/psignal.c b/cpukit/posix/src/psignal.c index 42f22aa795..312e3d0d38 100644 --- a/cpukit/posix/src/psignal.c +++ b/cpukit/posix/src/psignal.c @@ -173,6 +173,42 @@ void _POSIX_signals_Unblock_thread( /*PAGE * + * _POSIX_signals_Set_process_signals + */ + +void _POSIX_signals_Set_process_signals( + sigset_t mask +) +{ + ISR_Level level; + + _ISR_Disable( level ); + if ( !_POSIX_signals_Pending ) + _Thread_Do_post_task_switch_extension++; + _POSIX_signals_Pending |= mask; + _ISR_Enable( level ); +} + +/*PAGE + * + * _POSIX_signals_Clear_process_signals + */ + +void _POSIX_signals_Clear_process_signals( + sigset_t mask +) +{ + ISR_Level level; + + _ISR_Disable( level ); + _POSIX_signals_Pending &= ~mask; + if ( !_POSIX_signals_Pending ) + _Thread_Do_post_task_switch_extension--; + _ISR_Enable( level ); +} + +/*PAGE + * * _POSIX_signals_Check_signal */ @@ -199,7 +235,7 @@ boolean _POSIX_signals_Check_signal( _ISR_Disable( level ); if ( is_global ) { if ( mask & (_POSIX_signals_Pending & ~api->signals_blocked ) ) { - _POSIX_signals_Pending &= ~mask; + _POSIX_signals_Clear_process_signals( mask ); do_callout = TRUE; } } else { @@ -286,9 +322,10 @@ void _POSIX_signals_Post_switch_extension( restart: _ISR_Disable( level ); if ( !(~api->signals_blocked & - (api->signals_pending | _POSIX_signals_Pending)) ) - return; - _ISR_Enable( level ); + (api->signals_pending | _POSIX_signals_Pending)) ) { + _ISR_Enable( level ); + return; + } for ( signo = SIGRTMIN ; signo <= SIGRTMAX ; signo++ ) { @@ -322,7 +359,11 @@ void _POSIX_signals_Alarm_TSR( void *argument ) { - kill( getpid(), SIGALRM ); + int status; + + status = kill( getpid(), SIGALRM ); + /* XXX can't print from an ISR, should this be fatal? */ + assert( !status ); } /*PAGE @@ -517,9 +558,9 @@ int sigaction( if ( act->sa_handler == SIG_DFL ) { _POSIX_signals_Vectors[ sig ] = _POSIX_signals_Default_vectors[ sig ]; } else if ( act->sa_handler == SIG_DFL ) { - _POSIX_signals_Pending &= ~signo_to_mask( sig ); + _POSIX_signals_Clear_process_signals( signo_to_mask(sig) ); } else { - _POSIX_signals_Pending &= ~signo_to_mask( sig ); + _POSIX_signals_Clear_process_signals( signo_to_mask(sig) ); _POSIX_signals_Vectors[ sig ] = *act; } _ISR_Enable( level ); @@ -851,7 +892,7 @@ int kill( api = the_thread->API_Extensions[ THREAD_API_POSIX ]; if ( _POSIX_signals_Is_interested( api, mask ) ) { - _POSIX_signals_Pending |= mask; + _POSIX_signals_Set_process_signals( mask ); goto process_it; } @@ -886,7 +927,7 @@ int kill( * specific thread via sigwait() we will mark it as pending. */ - _POSIX_signals_Pending |= mask; + _POSIX_signals_Set_process_signals( mask ); /* * Is any other thread interested? The highest priority interested @@ -924,8 +965,6 @@ int kill( assert( object_table ); /* always at least 1 entry */ - object_table++; /* skip entry 0 */ - for ( index = 1 ; index <= maximum ; index++ ) { the_thread = (Thread_Control *) object_table[ index ]; |