Re: pqlib in c++: PQconnectStart PQconnectPoll
От | madhtr |
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Тема | Re: pqlib in c++: PQconnectStart PQconnectPoll |
Дата | |
Msg-id | 001401c7507c$b7d62520$7b55503f@useronewin2klt обсуждение исходный текст |
Ответ на | Moving to postgresql and some ignorant questions ("Phoenix Kiula" <phoenix.kiula@gmail.com>) |
Ответы |
Re: pqlib in c++: PQconnectStart PQconnectPoll
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Список | pgsql-general |
ok thanx:) ... here's the source ... can u tell me whats wrong? (the purpose of this function is to allow for thread safety on the connection, and allow for cancellation if the connection takes too long) BTW ... - coninfo is "host=localhost port=5432 dbname=testdb user=localuser password=localpassword" - I am using VC++ and compiling a windows execuatble ... PGconn* PQconnectStartCS(const char* coninfo,LPCRITICAL_SECTION lpcs,bool* lpcancel,int* lppge){ int& pge = *lppge; bool& cancel = *lpcancel; bool keepon = true; PGconn* pr = 0; pge = 0; EnterCriticalSection(lpcs); pr = PQconnectStart(coninfo); while (!killthread(&cancel) && keepon){ switch(pge = PQconnectPoll(pr)){ case PGRES_POLLING_FAILED: keepon = false; break; case PGRES_POLLING_OK: pge = 0; keepon = false; break; default: break; }; if (keepon) Sleep(1); }; LeaveCriticalSection(lpcs); if (!pge && pr){ switch(pge = PQstatus(pr)){ case CONNECTION_OK: pge = 0; break; }; }; return pr; }; ----- Original Message ----- From: "Tom Lane" <tgl@sss.pgh.pa.us> To: "madhtr" <madhtr@schif.org> Cc: <pgsql-general@postgresql.org> Sent: Tuesday, August 14, 2007 14:36 Subject: Re: [GENERAL] pqlib in c++: PQconnectStart PQconnectPoll > "madhtr" <madhtr@schif.org> writes: >> when i intentioally try to connect asynchronously to a database that does >> not exist, i get > >> "server closed the connection unexpectedly" > > There's something wrong with your code then. > > regards, tom lane > > ---------------------------(end of broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings ----- Original Message ----- From: "Tom Lane" <tgl@sss.pgh.pa.us> To: "madhtr" <madhtr@schif.org> Cc: <pgsql-general@postgresql.org> Sent: Tuesday, August 14, 2007 14:36 Subject: Re: [GENERAL] pqlib in c++: PQconnectStart PQconnectPoll > "madhtr" <madhtr@schif.org> writes: >> when i intentioally try to connect asynchronously to a database that does >> not exist, i get > >> "server closed the connection unexpectedly" > > There's something wrong with your code then. > > regards, tom lane > > ---------------------------(end of broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings
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