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/** |
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* This file is part of the CernVM File System. |
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*/ |
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#ifndef CVMFS_UTIL_EXCEPTION_H_ |
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#define CVMFS_UTIL_EXCEPTION_H_ |
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#include <cassert> |
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#include <cstdarg> |
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#include <stdexcept> |
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#include <string> |
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#include "util/export.h" |
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#include "util/logging.h" |
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#ifdef CVMFS_NAMESPACE_GUARD |
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namespace CVMFS_NAMESPACE_GUARD { |
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#endif |
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class CVMFS_EXPORT ECvmfsException : public std::runtime_error { |
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public: |
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explicit ECvmfsException(const std::string& what_arg) |
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: std::runtime_error(what_arg) {} |
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}; |
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#define CVMFS_S1(x) #x |
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#define CVMFS_S2(x) CVMFS_S1(x) |
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#define CVMFS_SOURCE_LOCATION "PANIC: " __FILE__ " : " CVMFS_S2(__LINE__) |
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#define PANIC(...) Panic(CVMFS_SOURCE_LOCATION, kLogCvmfs, __VA_ARGS__); |
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CVMFS_EXPORT |
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__attribute__((noreturn)) |
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void Panic(const char *coordinates, const LogSource source, const int mask, |
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const char *format, ...); |
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// For PANIC(NULL) |
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CVMFS_EXPORT |
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__attribute__((noreturn)) |
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void Panic(const char *coordinates, const LogSource source, const char *nul); |
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// The AssertOrLog function is used for rare error cases that are not yet fully |
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// understood. By default, these error cases are considered as unreachable and |
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// thus an assert is thrown. Some users may prefer though to continue operation |
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// (even though the file system state may be scrambled). |
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// Ideally, we can at some point remove all AssertOrLog statements. |
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#ifdef CVMFS_SUPPRESS_ASSERTS |
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static inline bool AssertOrLog(int t, |
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const LogSource log_source, |
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const int log_mask, |
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const char *log_msg_format, ...) { |
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if (!t) { |
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va_list variadic_list; |
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va_start(variadic_list, log_msg_format); |
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vLogCvmfs(log_source, log_mask, log_msg_format, variadic_list); |
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va_end(variadic_list); |
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return false; |
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} |
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return true; |
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} |
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#else |
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static inline bool AssertOrLog(int t, |
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const LogSource /*log_source*/, |
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const int /*log_mask*/, |
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const char* /*log_msg_format*/, ...) { |
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assert(t); |
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return true; |
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} |
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#endif |
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#ifdef CVMFS_NAMESPACE_GUARD |
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} // namespace CVMFS_NAMESPACE_GUARD |
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#endif |
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#endif // CVMFS_UTIL_EXCEPTION_H_ |
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