Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnarl/s-interr.adb @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | 84e7813d76e9 |
| children |
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| 131:84e7813d76e9 | 145:1830386684a0 |
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| 4 -- -- | 4 -- -- |
| 5 -- S Y S T E M . I N T E R R U P T S -- | 5 -- S Y S T E M . I N T E R R U P T S -- |
| 6 -- -- | 6 -- -- |
| 7 -- B o d y -- | 7 -- B o d y -- |
| 8 -- -- | 8 -- -- |
| 9 -- Copyright (C) 1992-2018, Free Software Foundation, Inc. -- | 9 -- Copyright (C) 1992-2019, Free Software Foundation, Inc. -- |
| 10 -- -- | 10 -- -- |
| 11 -- GNARL is free software; you can redistribute it and/or modify it under -- | 11 -- GNARL is free software; you can redistribute it and/or modify it under -- |
| 12 -- terms of the GNU General Public License as published by the Free Soft- -- | 12 -- terms of the GNU General Public License as published by the Free Soft- -- |
| 13 -- ware Foundation; either version 3, or (at your option) any later ver- -- | 13 -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| 14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | 14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| 543 -- Is_Registered -- | 543 -- Is_Registered -- |
| 544 ------------------- | 544 ------------------- |
| 545 | 545 |
| 546 function Is_Registered (Handler : Parameterless_Handler) return Boolean is | 546 function Is_Registered (Handler : Parameterless_Handler) return Boolean is |
| 547 | 547 |
| 548 type Acc_Proc is access procedure; | |
| 549 | |
| 548 type Fat_Ptr is record | 550 type Fat_Ptr is record |
| 549 Object_Addr : System.Address; | 551 Object_Addr : System.Address; |
| 550 Handler_Addr : System.Address; | 552 Handler_Addr : Acc_Proc; |
| 551 end record; | 553 end record; |
| 552 | 554 |
| 553 function To_Fat_Ptr is new Ada.Unchecked_Conversion | 555 function To_Fat_Ptr is new Ada.Unchecked_Conversion |
| 554 (Parameterless_Handler, Fat_Ptr); | 556 (Parameterless_Handler, Fat_Ptr); |
| 555 | 557 |
| 563 | 565 |
| 564 Fat := To_Fat_Ptr (Handler); | 566 Fat := To_Fat_Ptr (Handler); |
| 565 | 567 |
| 566 Ptr := Registered_Handler_Head; | 568 Ptr := Registered_Handler_Head; |
| 567 while Ptr /= null loop | 569 while Ptr /= null loop |
| 568 if Ptr.H = Fat.Handler_Addr then | 570 if Ptr.H = Fat.Handler_Addr.all'Address then |
| 569 return True; | 571 return True; |
| 570 end if; | 572 end if; |
| 571 | 573 |
| 572 Ptr := Ptr.Next; | 574 Ptr := Ptr.Next; |
| 573 end loop; | 575 end loop; |