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event/PollGroupWinSelect: move IsEmpty() check to GetPtr()

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This commit is contained in:
Max Kellermann 2020-10-12 12:38:46 +02:00
parent 8b94e8f260
commit f73c4643ef
2 changed files with 4 additions and 4 deletions
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6
src/event/PollGroupWinSelect.cxx
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@ -142,9 +142,9 @@ PollGroupWinSelect::ReadEvents(PollResultGeneric &result,
} }
int ret = select(0, int ret = select(0,
read_set.IsEmpty() ? nullptr : read_set.GetPtr(), read_set.GetPtr(),
write_set.IsEmpty() ? nullptr : write_set.GetPtr(), write_set.GetPtr(),
except_set.IsEmpty() ? nullptr : except_set.GetPtr(), except_set.GetPtr(),
timeout_ms < 0 ? nullptr : &tv); timeout_ms < 0 ? nullptr : &tv);
if (ret == 0 || ret == SOCKET_ERROR) if (ret == 0 || ret == SOCKET_ERROR)

2
src/event/PollGroupWinSelect.hxx
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@ -52,7 +52,7 @@ public:
} }
fd_set *GetPtr() noexcept { fd_set *GetPtr() noexcept {
return &set; return IsEmpty() ? nullptr : &set;
} }
size_t Size() const noexcept { size_t Size() const noexcept {