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Commit 33bd9e80 authored by Max Kellermann's avatar Max Kellermann
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system/FileDescriptor: add method IsReadyForWriting()

parent d310f3e9
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src/system/FileDescriptor.cxx
View file @ 33bd9e80
...@@ -222,4 +222,10 @@ FileDescriptor::WaitWritable(int timeout) const noexcept ...@@ -222,4 +222,10 @@ FileDescriptor::WaitWritable(int timeout) const noexcept
return Poll(POLLOUT, timeout); return Poll(POLLOUT, timeout);
} }
bool
FileDescriptor::IsReadyForWriting() const noexcept
{
return WaitWritable(0) > 0;
}
#endif #endif
src/system/FileDescriptor.hxx
View file @ 33bd9e80
...@@ -180,6 +180,9 @@ public: ...@@ -180,6 +180,9 @@ public:
int WaitReadable(int timeout) const noexcept; int WaitReadable(int timeout) const noexcept;
int WaitWritable(int timeout) const noexcept; int WaitWritable(int timeout) const noexcept;
gcc_pure
bool IsReadyForWriting() const noexcept;
#endif #endif
}; };
......
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