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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [setcancelstate.c] - Blame information for rev 173

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1 30 unneback
/*
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 *  $Id: setcancelstate.c,v 1.2 2001-09-27 11:59:17 chris Exp $
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 */
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#include <pthread.h>
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#include <errno.h>
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#include <rtems/system.h>
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#include <rtems/score/chain.h>
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#include <rtems/score/isr.h>
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#include <rtems/score/thread.h>
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#include <rtems/score/wkspace.h>
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#include <rtems/posix/cancel.h>
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#include <rtems/posix/pthread.h>
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#include <rtems/posix/threadsup.h>
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/*PAGE
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 *
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 *  18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183
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 */
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int pthread_setcancelstate(
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  int  state,
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  int *oldstate
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)
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{
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  POSIX_API_Control                 *thread_support;
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  if ( !oldstate )
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    return EINVAL;
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  if ( state != PTHREAD_CANCEL_ENABLE && state != PTHREAD_CANCEL_DISABLE )
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    return EINVAL;
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  thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ];
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  *oldstate = thread_support->cancelability_state;
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  thread_support->cancelability_state = state;
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  if ( thread_support->cancelability_state == PTHREAD_CANCEL_ENABLE &&
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       thread_support->cancelability_type == PTHREAD_CANCEL_ASYNCHRONOUS &&
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       thread_support->cancelation_requested )
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    _POSIX_Thread_cancel_run( _Thread_Executing );
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  return 0;
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}

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