Changes in / [297cf18:bfcf6b9]


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  • libcfa/src/concurrency/preemption.cfa

    r297cf18 rbfcf6b9  
    354354}
    355355
    356 //-----------------------------------------------------------------------------
    357 // Kernel Signal Debug
    358 void __cfaabi_check_preemption() {
    359         bool ready = __preemption_enabled();
    360         if(!ready) { abort("Preemption should be ready"); }
    361 
    362         __cfaasm_label(debug, before);
    363 
    364                 sigset_t oldset;
    365                 int ret;
    366                 ret = pthread_sigmask(0, ( const sigset_t * ) 0p, &oldset);  // workaround trac#208: cast should be unnecessary
    367                 if(ret != 0) { abort("ERROR sigprocmask returned %d", ret); }
    368 
    369                 ret = sigismember(&oldset, SIGUSR1);
    370                 if(ret <  0) { abort("ERROR sigismember returned %d", ret); }
    371                 if(ret == 1) { abort("ERROR SIGUSR1 is disabled"); }
    372 
    373                 ret = sigismember(&oldset, SIGALRM);
    374                 if(ret <  0) { abort("ERROR sigismember returned %d", ret); }
    375                 if(ret == 0) { abort("ERROR SIGALRM is enabled"); }
    376 
    377                 ret = sigismember(&oldset, SIGTERM);
    378                 if(ret <  0) { abort("ERROR sigismember returned %d", ret); }
    379                 if(ret == 1) { abort("ERROR SIGTERM is disabled"); }
    380 
    381         __cfaasm_label(debug, after);
    382 }
    383 
    384 #ifdef __CFA_WITH_VERIFY__
    385 bool __cfaabi_dbg_in_kernel() {
    386         return !__preemption_enabled();
    387 }
    388 #endif
    389 
    390356#undef __cfaasm_label
    391 
    392 //-----------------------------------------------------------------------------
    393 // Signal handling
    394357
    395358// sigprocmask wrapper : unblock a single signal
     
    516479        __cfaasm_label( check  );
    517480        __cfaasm_label( dsable );
    518         __cfaasm_label( debug  );
    519481
    520482        // Check if preemption is safe
     
    523485        if( __cfaasm_in( ip, check  ) ) { ready = false; goto EXIT; };
    524486        if( __cfaasm_in( ip, dsable ) ) { ready = false; goto EXIT; };
    525         if( __cfaasm_in( ip, debug  ) ) { ready = false; goto EXIT; };
    526487        if( !__cfaabi_tls.preemption_state.enabled) { ready = false; goto EXIT; };
    527488        if( __cfaabi_tls.preemption_state.in_progress ) { ready = false; goto EXIT; };
     
    735696}
    736697
     698//=============================================================================================
     699// Kernel Signal Debug
     700//=============================================================================================
     701
     702void __cfaabi_check_preemption() {
     703        bool ready = __preemption_enabled();
     704        if(!ready) { abort("Preemption should be ready"); }
     705
     706        sigset_t oldset;
     707        int ret;
     708        ret = pthread_sigmask(0, ( const sigset_t * ) 0p, &oldset);  // workaround trac#208: cast should be unnecessary
     709        if(ret != 0) { abort("ERROR sigprocmask returned %d", ret); }
     710
     711        ret = sigismember(&oldset, SIGUSR1);
     712        if(ret <  0) { abort("ERROR sigismember returned %d", ret); }
     713        if(ret == 1) { abort("ERROR SIGUSR1 is disabled"); }
     714
     715        ret = sigismember(&oldset, SIGALRM);
     716        if(ret <  0) { abort("ERROR sigismember returned %d", ret); }
     717        if(ret == 0) { abort("ERROR SIGALRM is enabled"); }
     718
     719        ret = sigismember(&oldset, SIGTERM);
     720        if(ret <  0) { abort("ERROR sigismember returned %d", ret); }
     721        if(ret == 1) { abort("ERROR SIGTERM is disabled"); }
     722}
     723
     724#ifdef __CFA_WITH_VERIFY__
     725bool __cfaabi_dbg_in_kernel() {
     726        return !__preemption_enabled();
     727}
     728#endif
     729
    737730// Local Variables: //
    738731// mode: c //
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