fis-gtm/sr_unix/lke.c

183 lines
4.2 KiB
C

/****************************************************************
* *
* Copyright 2001, 2012 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "main_pragma.h"
#include "gtm_inet.h"
#include "gtm_fcntl.h"
#include "gtm_unistd.h"
#include <signal.h>
#include "mlkdef.h"
#include "gtm_stdlib.h"
#include "gtm_stdio.h"
#include "gtm_string.h"
#include "stp_parms.h"
#include "iosp.h"
#include "error.h"
#include "cli.h"
#include "stringpool.h"
#include "interlock.h"
#include "gtmimagename.h"
#include "gdsroot.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "gdskill.h"
#include "gdscc.h"
#include "filestruct.h"
#include "jnl.h"
#include "buddy_list.h"
#include "hashtab_int4.h" /* needed for tp.h */
#include "tp.h"
#include "repl_msg.h"
#include "gtmsource.h"
#include "util.h"
#include "gt_timer.h"
#include "lke.h"
#include "lke_fileio.h"
#include "get_page_size.h"
#include "gtm_startup_chk.h"
#include "generic_signal_handler.h"
#include "init_secshr_addrs.h"
#include "cli_parse.h"
#include "getzdir.h"
#include "getjobname.h"
#include "getjobnum.h"
#include "sig_init.h"
#include "gtmmsg.h"
#include "suspsigs_handler.h"
#include "patcode.h"
#include "gtm_env_init.h" /* for gtm_env_init() prototype */
#include "gtm_imagetype_init.h"
#include "gtm_threadgbl_init.h"
#include "gtmio.h"
#include "have_crit.h"
#ifdef UNICODE_SUPPORTED
#include "gtm_icu_api.h"
#include "gtm_utf8.h"
#endif
GBLREF VSIG_ATOMIC_T util_interrupt;
GBLREF bool licensed;
GBLREF void (*func)(void);
GBLREF spdesc rts_stringpool, stringpool;
GBLREF global_latch_t defer_latch;
GBLREF char cli_err_str[];
GBLREF CLI_ENTRY lke_cmd_ary[];
GBLDEF CLI_ENTRY *cmd_ary = &lke_cmd_ary[0]; /* Define cmd_ary to be the LKE specific cmd table */
static bool lke_process(int argc);
static void display_prompt(void);
error_def(ERR_CTRLC);
int main (int argc, char *argv[])
{
DCL_THREADGBL_ACCESS;
GTM_THREADGBL_INIT;
set_blocksig();
gtm_imagetype_init(LKE_IMAGE);
gtm_wcswidth_fnptr = gtm_wcswidth;
gtm_env_init(); /* read in all environment variables */
licensed = TRUE;
err_init(util_base_ch);
GTM_ICU_INIT_IF_NEEDED; /* Note: should be invoked after err_init (since it may error out) and before CLI parsing */
sig_init(generic_signal_handler, lke_ctrlc_handler, suspsigs_handler);
atexit(util_exit_handler);
SET_LATCH_GLOBAL(&defer_latch, LOCK_AVAILABLE);
get_page_size();
stp_init(STP_INITSIZE);
rts_stringpool = stringpool;
getjobname();
INVOKE_INIT_SECSHR_ADDRS;
getzdir();
prealloc_gt_timers();
initialize_pattern_table();
gvinit();
region_init(TRUE);
getjobnum();
cli_lex_setup(argc, argv);
/* this should be after cli_lex_setup() due to S390 A/E conversion */
gtm_chk_dist(argv[0]);
while (1)
{
if (!lke_process(argc) || 2 <= argc)
break;
}
lke_exit();
}
static bool lke_process(int argc)
{
bool flag = FALSE;
int res;
static int save_stderr = SYS_STDERR;
ESTABLISH_RET(util_ch, TRUE);
if (util_interrupt)
rts_error(VARLSTCNT(1) ERR_CTRLC);
if (SYS_STDERR != save_stderr) /* necesary in case of rts_error */
close_fileio(&save_stderr);
assert(SYS_STDERR == save_stderr);
func = 0;
util_interrupt = 0;
if (argc < 2)
display_prompt();
if ( EOF == (res = parse_cmd()))
{
if (util_interrupt)
{
rts_error(VARLSTCNT(1) ERR_CTRLC);
REVERT;
return TRUE;
}
else
{
REVERT;
return FALSE;
}
} else if (res)
{
if (1 < argc)
{
REVERT;
rts_error(VARLSTCNT(4) res, 2, LEN_AND_STR(cli_err_str));
} else
gtm_putmsg(VARLSTCNT(4) res, 2, LEN_AND_STR(cli_err_str));
}
if (func)
{
flag = open_fileio(&save_stderr); /* save_stderr = SYS_STDERR if -output option not present */
func();
if (flag)
close_fileio(&save_stderr);
assert(SYS_STDERR == save_stderr);
}
REVERT;
return(1 >= argc);
}
static void display_prompt(void)
{
PRINTF("LKE> ");
FFLUSH(stdout);
}