static void WINAPI pgwin32_ServiceMain(DWORD argc, LPTSTR *argv) { PROCESS_INFORMATION pi; DWORD ret; DWORD check_point_start; /* Initialize variables */ status.dwWin32ExitCode = S_OK; status.dwCheckPoint = 0; status.dwWaitHint = 60000; status.dwServiceType = SERVICE_WIN32_OWN_PROCESS; status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_PAUSE_CONTINUE; status.dwServiceSpecificExitCode = 0; status.dwCurrentState = SERVICE_START_PENDING; memset(&pi, 0, sizeof(pi)); read_post_opts(); /* Register the control request handler */ if ((hStatus = RegisterServiceCtrlHandler(register_servicename, pgwin32_ServiceHandler)) == (SERVICE_STATUS_HANDLE) 0) return; if ((shutdownEvent = CreateEvent(NULL, true, false, NULL)) == NULL) return; /* Start the postmaster */ pgwin32_SetServiceStatus(SERVICE_START_PENDING); if (!CreateRestrictedProcess(pgwin32_CommandLine(false), &pi, true)) { pgwin32_SetServiceStatus(SERVICE_STOPPED); return; } postmasterPID = pi.dwProcessId; postmasterProcess = pi.hProcess; CloseHandle(pi.hThread); if (do_wait) { write_eventlog(EVENTLOG_INFORMATION_TYPE, _("Waiting for server startup...\n")); if (test_postmaster_connection(true) == false) { write_eventlog(EVENTLOG_INFORMATION_TYPE, _("Timed out waiting for server startup\n")); pgwin32_SetServiceStatus(SERVICE_STOPPED); return; } write_eventlog(EVENTLOG_INFORMATION_TYPE, _("Server started and accepting connections\n")); } /* * Save the checkpoint value as it might have been incremented in * test_postmaster_connection */ check_point_start = status.dwCheckPoint; pgwin32_SetServiceStatus(SERVICE_RUNNING); /* Wait for quit... */ ret = WaitForMultipleObjects(2, shutdownHandles, FALSE, INFINITE); pgwin32_SetServiceStatus(SERVICE_STOP_PENDING); switch (ret) { case WAIT_OBJECT_0: /* shutdown event */ kill(postmasterPID, SIGINT); /* * Increment the checkpoint and try again Abort after 12 * checkpoints as the postmaster has probably hung */ while (WaitForSingleObject(postmasterProcess, 5000) == WAIT_TIMEOUT && status.dwCheckPoint < 12) status.dwCheckPoint++; break; case (WAIT_OBJECT_0 + 1): /* postmaster went down */ break; default: /* shouldn't get here? */ break; } CloseHandle(shutdownEvent); CloseHandle(postmasterProcess); pgwin32_SetServiceStatus(SERVICE_STOPPED); }
static void do_start(void) { pgpid_t pid; pgpid_t old_pid = 0; int exitcode; if (ctl_command != RESTART_COMMAND) { old_pid = get_pgpid(); if (old_pid != 0) write_stderr(_("%s: another server might be running; " "trying to start server anyway\n"), progname); } read_post_opts(); /* No -D or -D already added during server start */ if (ctl_command == RESTART_COMMAND || pgdata_opt == NULL) pgdata_opt = ""; if (exec_path == NULL) exec_path = find_other_exec_or_die(argv0, "postgres", PG_BACKEND_VERSIONSTR); #if defined(HAVE_GETRLIMIT) && defined(RLIMIT_CORE) if (allow_core_files) unlimit_core_size(); #endif /* * If possible, tell the postmaster our parent shell's PID (see the * comments in CreateLockFile() for motivation). Windows hasn't got * getppid() unfortunately. */ #ifndef WIN32 { static char env_var[32]; snprintf(env_var, sizeof(env_var), "PG_GRANDPARENT_PID=%d", (int) getppid()); putenv(env_var); } #endif exitcode = start_postmaster(); if (exitcode != 0) { write_stderr(_("%s: could not start server: exit code was %d\n"), progname, exitcode); exit(1); } if (old_pid != 0) { pg_usleep(1000000); pid = get_pgpid(); if (pid == old_pid) { write_stderr(_("%s: could not start server\n" "Examine the log output.\n"), progname); exit(1); } } if (do_wait) { print_msg(_("waiting for server to start...")); if (test_postmaster_connection(false) == false) { write_stderr(_("%s: could not start server\n" "Examine the log output.\n"), progname); exit(1); } else { print_msg(_(" done\n")); print_msg(_("server started\n")); } } else print_msg(_("server starting\n")); }
static void do_start(void) { pgpid_t pid; pgpid_t old_pid = 0; int exitcode; if (ctl_command != RESTART_COMMAND) { old_pid = get_pgpid(); if (old_pid != 0) write_stderr(_("%s: another server might be running; " "trying to start server anyway\n"), progname); } read_post_opts(); /* No -D or -D already added during server start */ if (ctl_command == RESTART_COMMAND || pgdata_opt == NULL) pgdata_opt = ""; if (postgres_path == NULL) { char *postmaster_path; int ret; postmaster_path = pg_malloc(MAXPGPATH); if ((ret = find_other_exec(argv0, "postgres", PM_VERSIONSTR, postmaster_path)) < 0) { char full_path[MAXPGPATH]; if (find_my_exec(argv0, full_path) < 0) strlcpy(full_path, progname, sizeof(full_path)); if (ret == -1) write_stderr(_("The program \"postgres\" is needed by %s " "but was not found in the\n" "same directory as \"%s\".\n" "Check your installation.\n"), progname, full_path); else write_stderr(_("The program \"postgres\" was found by \"%s\"\n" "but was not the same version as %s.\n" "Check your installation.\n"), full_path, progname); exit(1); } postgres_path = postmaster_path; } #if defined(HAVE_GETRLIMIT) && defined(RLIMIT_CORE) if (allow_core_files) unlimit_core_size(); #endif exitcode = start_postmaster(); if (exitcode != 0) { write_stderr(_("%s: could not start server: exit code was %d\n"), progname, exitcode); exit(1); } if (old_pid != 0) { pg_usleep(1000000); pid = get_pgpid(); if (pid == old_pid) { write_stderr(_("%s: could not start server\n" "Examine the log output.\n"), progname); exit(1); } } if (do_wait) { print_msg(_("waiting for server to start...")); if (test_postmaster_connection(false) == false) { printf(_("could not start server\n")); exit(1); } else { print_msg(_(" done\n")); print_msg(_("server started\n")); } } else print_msg(_("server starting\n")); }