diff options
Diffstat (limited to 'cpukit/posix/src/setcancelstate.c')
-rw-r--r-- | cpukit/posix/src/setcancelstate.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/cpukit/posix/src/setcancelstate.c b/cpukit/posix/src/setcancelstate.c new file mode 100644 index 0000000000..bb1c014ade --- /dev/null +++ b/cpukit/posix/src/setcancelstate.c @@ -0,0 +1,46 @@ +/* + * $Id$ + */ + +#include <pthread.h> +#include <errno.h> + +#include <rtems/system.h> +#include <rtems/score/chain.h> +#include <rtems/score/isr.h> +#include <rtems/score/thread.h> +#include <rtems/score/wkspace.h> +#include <rtems/posix/cancel.h> +#include <rtems/posix/pthread.h> +#include <rtems/posix/threadsup.h> + +/*PAGE + * + * 18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183 + */ + +int pthread_setcancelstate( + int state, + int *oldstate +) +{ + POSIX_API_Control *thread_support; + + if ( !oldstate ) + return EINVAL; + + if ( state != PTHREAD_CANCEL_ENABLE && state != PTHREAD_CANCEL_DISABLE ) + return EINVAL; + + thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; + + *oldstate = thread_support->cancelability_state; + thread_support->cancelability_state = state; + + if ( thread_support->cancelability_state == PTHREAD_CANCEL_ENABLE && + thread_support->cancelability_type == PTHREAD_CANCEL_ASYNCHRONOUS && + thread_support->cancelation_requested ) + POSIX_Thread_cancel_run( _Thread_Executing ); + + return 0; +} |