mirror of https://github.com/postgres/postgres
- Fix the -w (wait) option to work in Windows service mode, per bug #3382.
- Prevent the -w option being passed to the postmaster. - Read the postmaster options file when starting as a Windows service. Dave Page
This commit is contained in:
Magnus Hagander
parent
1c7fe33fdb
commit
a1587e41ae
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@ -4,7 +4,7 @@
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*
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* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
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*
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* $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.80 2007/05/31 15:13:04 petere Exp $
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* $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.81 2007/07/02 21:58:31 mha Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -126,11 +126,22 @@ static void WINAPI pgwin32_ServiceHandler(DWORD);
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static void WINAPI pgwin32_ServiceMain(DWORD, LPTSTR *);
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static void pgwin32_doRunAsService(void);
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static int CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION * processInfo);
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static SERVICE_STATUS status;
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static SERVICE_STATUS_HANDLE hStatus = (SERVICE_STATUS_HANDLE) 0;
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static HANDLE shutdownHandles[2];
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static pid_t postmasterPID = -1;
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#define shutdownEvent shutdownHandles[0]
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#define postmasterProcess shutdownHandles[1]
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#endif
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static pgpid_t get_pgpid(void);
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static char **readfile(const char *path);
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static int start_postmaster(void);
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static bool test_postmaster_connection(void);
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static int start_postmaster(void);
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static void read_post_opts(void);
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static bool test_postmaster_connection(bool);
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static bool postmaster_is_alive(pid_t pid);
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static char def_postopts_file[MAXPGPATH];
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@ -391,15 +402,20 @@ start_postmaster(void)
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/* Find the pgport and try a connection */
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/*
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* Find the pgport and try a connection
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* Note that the checkpoint parameter enables a Windows service control
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* manager checkpoint, it's got nothing to do with database checkpoints!!
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*/
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static bool
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test_postmaster_connection(void)
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test_postmaster_connection(bool do_checkpoint)
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{
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PGconn *conn;
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bool success = false;
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int i;
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char portstr[32];
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char *p;
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char connstr[128]; /* Should be way more than enough! */
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*portstr = '\0';
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@ -464,10 +480,12 @@ test_postmaster_connection(void)
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if (!*portstr)
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snprintf(portstr, sizeof(portstr), "%d", DEF_PGPORT);
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/* We need to set a connect timeout otherwise on Windows the SCM will probably timeout first */
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snprintf(connstr, sizeof(connstr), "dbname=postgres port=%s connect_timeout=5", portstr);
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for (i = 0; i < wait_seconds; i++)
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{
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if ((conn = PQsetdbLogin(NULL, portstr, NULL, NULL,
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"postgres", NULL, NULL)) != NULL &&
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if ((conn = PQconnectdb(connstr)) != NULL &&
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(PQstatus(conn) == CONNECTION_OK ||
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(strcmp(PQerrorMessage(conn),
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PQnoPasswordSupplied) == 0)))
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@ -479,7 +497,25 @@ test_postmaster_connection(void)
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else
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{
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PQfinish(conn);
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print_msg(".");
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#if defined(WIN32)
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if (do_checkpoint)
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{
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/*
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* Increment the wait hint by 6 secs (connection timeout + sleep)
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* We must do this to indicate to the SCM that our startup time is
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* changing, otherwise it'll usually send a stop signal after 20
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* seconds, despite incrementing the checkpoint counter.
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*/
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status.dwWaitHint += 6000;
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status.dwCheckPoint++;
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SetServiceStatus(hStatus, (LPSERVICE_STATUS) &status);
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}
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else
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#endif
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print_msg(".");
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pg_usleep(1000000); /* 1 sec */
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}
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}
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@ -508,24 +544,10 @@ unlimit_core_size(void)
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}
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#endif
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static void
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do_start(void)
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read_post_opts(void)
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{
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pgpid_t pid;
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pgpid_t old_pid = 0;
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char *optline = NULL;
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int exitcode;
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if (ctl_command != RESTART_COMMAND)
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{
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old_pid = get_pgpid();
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if (old_pid != 0)
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write_stderr(_("%s: another server might be running; "
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"trying to start server anyway\n"),
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progname);
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}
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if (post_opts == NULL)
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{
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@ -536,7 +558,7 @@ do_start(void)
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postopts_file : def_postopts_file);
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if (optlines == NULL)
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{
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if (ctl_command == START_COMMAND)
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if (ctl_command == START_COMMAND || ctl_command == RUN_AS_SERVICE_COMMAND)
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post_opts = "";
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else
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{
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@ -576,6 +598,25 @@ do_start(void)
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post_opts = optline;
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}
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}
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}
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static void
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do_start(void)
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{
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pgpid_t pid;
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pgpid_t old_pid = 0;
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int exitcode;
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if (ctl_command != RESTART_COMMAND)
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{
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old_pid = get_pgpid();
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if (old_pid != 0)
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write_stderr(_("%s: another server might be running; "
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"trying to start server anyway\n"),
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progname);
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}
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read_post_opts();
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/* No -D or -D already added during server start */
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if (ctl_command == RESTART_COMMAND || pgdata_opt == NULL)
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@ -642,7 +683,7 @@ do_start(void)
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{
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print_msg(_("waiting for server to start..."));
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if (test_postmaster_connection() == false)
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if (test_postmaster_connection(false) == false)
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{
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printf(_("could not start server\n"));
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exit(1);
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@ -982,7 +1023,7 @@ pgwin32_CommandLine(bool registration)
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strcat(cmdLine, "\"");
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}
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if (do_wait)
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if (registration && do_wait)
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strcat(cmdLine, " -w");
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if (post_opts)
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@ -1065,15 +1106,6 @@ pgwin32_doUnregister(void)
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CloseServiceHandle(hSCM);
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}
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static SERVICE_STATUS status;
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static SERVICE_STATUS_HANDLE hStatus = (SERVICE_STATUS_HANDLE) 0;
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static HANDLE shutdownHandles[2];
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static pid_t postmasterPID = -1;
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#define shutdownEvent shutdownHandles[0]
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#define postmasterProcess shutdownHandles[1]
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static void
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pgwin32_SetServiceStatus(DWORD currentState)
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{
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@ -1118,6 +1150,7 @@ pgwin32_ServiceMain(DWORD argc, LPTSTR * argv)
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{
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PROCESS_INFORMATION pi;
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DWORD ret;
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DWORD check_point_start;
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/* Initialize variables */
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status.dwWin32ExitCode = S_OK;
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@ -1130,6 +1163,8 @@ pgwin32_ServiceMain(DWORD argc, LPTSTR * argv)
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memset(&pi, 0, sizeof(pi));
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read_post_opts();
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/* Register the control request handler */
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if ((hStatus = RegisterServiceCtrlHandler(register_servicename, pgwin32_ServiceHandler)) == (SERVICE_STATUS_HANDLE) 0)
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return;
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@ -1147,10 +1182,27 @@ pgwin32_ServiceMain(DWORD argc, LPTSTR * argv)
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postmasterPID = pi.dwProcessId;
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postmasterProcess = pi.hProcess;
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CloseHandle(pi.hThread);
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if (do_wait)
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{
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write_eventlog(EVENTLOG_INFORMATION_TYPE, _("Waiting for server startup...\n"));
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if (test_postmaster_connection(true) == false)
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{
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write_eventlog(EVENTLOG_INFORMATION_TYPE, _("Timed out waiting for server startup\n"));
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pgwin32_SetServiceStatus(SERVICE_STOPPED);
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return;
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}
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write_eventlog(EVENTLOG_INFORMATION_TYPE, _("Server started and accepting connections\n"));
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}
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/* Save the checkpoint value as it might have been incremented in test_postmaster_connection */
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check_point_start = status.dwCheckPoint;
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pgwin32_SetServiceStatus(SERVICE_RUNNING);
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/* Wait for quit... */
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ret = WaitForMultipleObjects(2, shutdownHandles, FALSE, INFINITE);
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pgwin32_SetServiceStatus(SERVICE_STOP_PENDING);
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switch (ret)
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{
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