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Merge pull request #31 from easyaspi314/master

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Conditionally enable the exception-throwing constructors
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mandreyel 2018-11-09 20:32:38 +01:00 committed by GitHub
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2
README.md
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@ -50,6 +50,8 @@ or:
```c++ ```c++
mmap.map(path, error); mmap.map(path, error);
``` ```
**NOTE:** The constructors **require** exceptions to be enabled. If you prefer
to build your projects with `-fno-exceptions`, you can still use the other ways.
Moreover, in each case, you can provide either some string type for the file's path, or you can use an existing, valid file handle. Moreover, in each case, you can provide either some string type for the file's path, or you can use an existing, valid file handle.
```c++ ```c++

2
include/mio/mmap.hpp
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@ -103,6 +103,7 @@ public:
*/ */
basic_mmap() = default; basic_mmap() = default;
#ifdef __cpp_exceptions
/** /**
* The same as invoking the `map` function, except any error that may occur * The same as invoking the `map` function, except any error that may occur
* while establishing the mapping is wrapped in a `std::system_error` and is * while establishing the mapping is wrapped in a `std::system_error` and is
@ -127,6 +128,7 @@ public:
map(handle, offset, length, error); map(handle, offset, length, error);
if(error) { throw std::system_error(error); } if(error) { throw std::system_error(error); }
} }
#endif // __cpp_exceptions
/** /**
* `basic_mmap` has single-ownership semantics, so transferring ownership * `basic_mmap` has single-ownership semantics, so transferring ownership

2
include/mio/shared_mmap.hpp
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@ -87,6 +87,7 @@ public:
return *this; return *this;
} }
#ifdef __cpp_exceptions
/** /**
* The same as invoking the `map` function, except any error that may occur * The same as invoking the `map` function, except any error that may occur
* while establishing the mapping is wrapped in a `std::system_error` and is * while establishing the mapping is wrapped in a `std::system_error` and is
@ -111,6 +112,7 @@ public:
map(handle, offset, length, error); map(handle, offset, length, error);
if(error) { throw std::system_error(error); } if(error) { throw std::system_error(error); }
} }
#endif // __cpp_exceptions
/** /**
* If this is a read-write mapping and the last reference to the mapping, * If this is a read-write mapping and the last reference to the mapping,