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Support running as a service on Windows 7, by not specifying

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the JOB_OBJECT_UILIMIT_HANDLES flag.

Dave Page & Magnus Hagander
This commit is contained in:
Magnus Hagander 2009-01-28 11:19:40 +00:00
parent 879d780f65
commit 5b82d268e4
1 changed files with 22 additions and 6 deletions
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28
src/bin/pg_ctl/pg_ctl.c
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@ -4,7 +4,7 @@
*
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.92.2.5 2008/09/30 13:14:07 tgl Exp $
* $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.92.2.6 2009/01/28 11:19:40 mha Exp $
*
*-------------------------------------------------------------------------
*/
@ -124,7 +124,7 @@ static void pgwin32_SetServiceStatus(DWORD);
static void WINAPI pgwin32_ServiceHandler(DWORD);
static void WINAPI pgwin32_ServiceMain(DWORD, LPTSTR *);
static void pgwin32_doRunAsService(void);
static int CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION * processInfo);
static int CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION * processInfo, bool as_service);
static SERVICE_STATUS status;
static SERVICE_STATUS_HANDLE hStatus = (SERVICE_STATUS_HANDLE) 0;
@ -391,7 +391,7 @@ start_postmaster(void)
SYSTEMQUOTE, postgres_path, pgdata_opt, post_opts,
DEVNULL, SYSTEMQUOTE);
if (!CreateRestrictedProcess(cmd, &pi))
if (!CreateRestrictedProcess(cmd, &pi, false))
return GetLastError();
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
@ -1213,7 +1213,7 @@ pgwin32_ServiceMain(DWORD argc, LPTSTR * argv)
/* Start the postmaster */
pgwin32_SetServiceStatus(SERVICE_START_PENDING);
if (!CreateRestrictedProcess(pgwin32_CommandLine(false), &pi))
if (!CreateRestrictedProcess(pgwin32_CommandLine(false), &pi, true))
{
pgwin32_SetServiceStatus(SERVICE_STOPPED);
return;
@ -1316,7 +1316,7 @@ typedef BOOL(WINAPI * __QueryInformationJobObject) (HANDLE, JOBOBJECTINFOCLASS,
* automatically destroyed when pg_ctl exits.
*/
static int
CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION * processInfo)
CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION * processInfo, bool as_service)
{
int r;
BOOL b;
@ -1452,6 +1452,7 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION * processInfo)
JOBOBJECT_BASIC_LIMIT_INFORMATION basicLimit;
JOBOBJECT_BASIC_UI_RESTRICTIONS uiRestrictions;
JOBOBJECT_SECURITY_LIMIT_INFORMATION securityLimit;
OSVERSIONINFO osv;
ZeroMemory(&basicLimit, sizeof(basicLimit));
ZeroMemory(&uiRestrictions, sizeof(uiRestrictions));
@ -1462,8 +1463,23 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION * processInfo)
_SetInformationJobObject(job, JobObjectBasicLimitInformation, &basicLimit, sizeof(basicLimit));
uiRestrictions.UIRestrictionsClass = JOB_OBJECT_UILIMIT_DESKTOP | JOB_OBJECT_UILIMIT_DISPLAYSETTINGS |
JOB_OBJECT_UILIMIT_EXITWINDOWS | JOB_OBJECT_UILIMIT_HANDLES | JOB_OBJECT_UILIMIT_READCLIPBOARD |
JOB_OBJECT_UILIMIT_EXITWINDOWS | JOB_OBJECT_UILIMIT_READCLIPBOARD |
JOB_OBJECT_UILIMIT_SYSTEMPARAMETERS | JOB_OBJECT_UILIMIT_WRITECLIPBOARD;
if (as_service)
{
osv.dwOSVersionInfoSize = sizeof(osv);
if (!GetVersionEx(&osv) ||
osv.dwMajorVersion < 6 ||
(osv.dwMajorVersion == 6 && osv.dwMinorVersion == 0))
{
/*
* On Windows 7 (and presumably later), JOB_OBJECT_UILIMIT_HANDLES prevents us from
* starting as a service. So we only enable it on Vista and earlier (version <= 6.0)
*/
uiRestrictions.UIRestrictionsClass |= JOB_OBJECT_UILIMIT_HANDLES;
}
}
_SetInformationJobObject(job, JobObjectBasicUIRestrictions, &uiRestrictions, sizeof(uiRestrictions));
securityLimit.SecurityLimitFlags = JOB_OBJECT_SECURITY_NO_ADMIN | JOB_OBJECT_SECURITY_ONLY_TOKEN;