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Code Issues

Paranoid checks.

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This commit is contained in:
robocop 2009-06-09 08:20:51 +00:00
parent 32d5c3a7e4
commit 01cfec77b1
1 changed files with 10 additions and 5 deletions
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15
src/remote/server.cpp
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@ -79,10 +79,10 @@ public:
struct srvr : public Firebird::GlobalStorage
{
srvr* srvr_next;
rem_port* srvr_parent_port;
rem_port::rem_port_t srvr_port_type;
USHORT srvr_flags;
srvr* const srvr_next;
const rem_port* const srvr_parent_port;
const rem_port::rem_port_t srvr_port_type;
const USHORT srvr_flags;
public:
srvr(srvr* servers, rem_port* port, USHORT flags) :
@ -116,7 +116,12 @@ namespace {
if (!(handle = CreateMutex(ISC_get_security_desc(), FALSE, mutex_name)))
{
Firebird::system_call_failed::raise("CreateMutex");
// MSDN: if the caller has limited access rights, the function will fail with
// ERROR_ACCESS_DENIED and the caller should use the OpenMutex function.
if (GetLastError() == ERROR_ACCESS_DENIED)
Firebird::system_call_failed::raise("CreateMutex - cannot open existing mutex");
else
Firebird::system_call_failed::raise("CreateMutex");
}
if (WaitForSingleObject(handle, INFINITE) == WAIT_FAILED)