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Implemented thread service support.

Browse Source 
Added a wsrep::thread_service interface to allow application to
inject instrumented thread, mutex and condition variable implementation
for provider.

The interface is defined in include/wsrep/thread_service.hpp.
Sample implementation is provided in dbsim/db_threads.[h|c]pp.

This patch will also clean up some remaining dependencies to
wsrep-API compilation units so that the dependency to wsrep-API
is header only. This will extending the provider support to
later wsrep-API versions.
This commit is contained in:
Teemu Ollakka
2019-02-16 17:09:18 +02:00
parent 477a71dd46
commit eb4cf86c1e
33 changed files with 1821 additions and 58 deletions
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15
include/wsrep/id.hpp
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@ -42,10 +42,11 @@ namespace wsrep
class id
{
public:
typedef struct native_type { unsigned char buf[16]; } native_type;
/**
* Default constructor. Constructs an empty identifier.
*/
id() : data_() { std::memset(data_, 0, sizeof(data_)); }
id() : data_() { std::memset(data_.buf, 0, sizeof(data_.buf)); }
/**
* Construct from string. The input string may contain either
@ -62,24 +63,24 @@ namespace wsrep
{
throw wsrep::runtime_error("Too long identifier");
}
std::memset(data_, 0, sizeof(data_));
std::memcpy(data_, data, size);
std::memset(data_.buf, 0, sizeof(data_.buf));
std::memcpy(data_.buf, data, size);
}
bool operator<(const id& other) const
{
return (std::memcmp(data_, other.data_, sizeof(data_)) < 0);
return (std::memcmp(data_.buf, other.data_.buf, sizeof(data_.buf)) < 0);
}
bool operator==(const id& other) const
{
return (std::memcmp(data_, other.data_, sizeof(data_)) == 0);
return (std::memcmp(data_.buf, other.data_.buf, sizeof(data_.buf)) == 0);
}
bool operator!=(const id& other) const
{
return !(*this == other);
}
const void* data() const { return data_; }
const void* data() const { return data_.buf; }
size_t size() const { return sizeof(data_); }
@ -94,7 +95,7 @@ namespace wsrep
}
private:
static const wsrep::id undefined_;
unsigned char data_[16];
native_type data_;
};
std::ostream& operator<<(std::ostream&, const wsrep::id& id);