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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef SANDBOX_LINUX_SECCOMP_BPF_SYSCALL_ITERATOR_H__ | 5 #ifndef SANDBOX_LINUX_SECCOMP_BPF_SYSCALL_ITERATOR_H__ |
| 6 #define SANDBOX_LINUX_SECCOMP_BPF_SYSCALL_ITERATOR_H__ | 6 #define SANDBOX_LINUX_SECCOMP_BPF_SYSCALL_ITERATOR_H__ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/macros.h" |
| 11 #include "sandbox/sandbox_export.h" | 11 #include "sandbox/sandbox_export.h" |
| 12 | 12 |
| 13 namespace sandbox { | 13 namespace sandbox { |
| 14 | 14 |
| 15 // Iterates over the entire system call range from 0..0xFFFFFFFFu. This | 15 // Iterates over the entire system call range from 0..0xFFFFFFFFu. This |
| 16 // iterator is aware of how system calls look like and will skip quickly | 16 // iterator is aware of how system calls look like and will skip quickly |
| 17 // over ranges that can't contain system calls. It iterates more slowly | 17 // over ranges that can't contain system calls. It iterates more slowly |
| 18 // whenever it reaches a range that is potentially problematic, returning | 18 // whenever it reaches a range that is potentially problematic, returning |
| 19 // the last invalid value before a valid range of system calls, and the | 19 // the last invalid value before a valid range of system calls, and the |
| 20 // first invalid value after a valid range of syscalls. It iterates over | 20 // first invalid value after a valid range of syscalls. It iterates over |
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| 47 bool invalid_only_; | 47 bool invalid_only_; |
| 48 bool done_; | 48 bool done_; |
| 49 uint32_t num_; | 49 uint32_t num_; |
| 50 | 50 |
| 51 DISALLOW_IMPLICIT_CONSTRUCTORS(SyscallIterator); | 51 DISALLOW_IMPLICIT_CONSTRUCTORS(SyscallIterator); |
| 52 }; | 52 }; |
| 53 | 53 |
| 54 } // namespace sandbox | 54 } // namespace sandbox |
| 55 | 55 |
| 56 #endif // SANDBOX_LINUX_SECCOMP_BPF_SYSCALL_ITERATOR_H__ | 56 #endif // SANDBOX_LINUX_SECCOMP_BPF_SYSCALL_ITERATOR_H__ |
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