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/****************************************************************
* *
* Copyright (c) 2004-2018 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* 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"
#ifdef __MVS__
#include <env.h>
#endif
#include <errno.h>
#include <sys/sem.h>
#include <sys/types.h>
#include <locale.h>
#include "gtm_stat.h"
#include "gtm_string.h"
#include "gtm_strings.h"
#include "gtm_ctype.h"
#include "gtm_unistd.h"
#include "gtm_stdio.h"
#include "gtm_stdlib.h"
#include "gtmio.h"
#include "gtmimagename.h"
#include "gtm_logicals.h"
#include "trans_numeric.h"
#include "trans_log_name.h"
#include "logical_truth_value.h"
#include "iosp.h" /* for SS_ */
#include "nametabtyp.h" /* for namelook */
#include "namelook.h"
#include "io.h"
#include "iottdef.h"
#include "gtm_env_init.h" /* for gtm_env_init() and gtm_env_init_sp() prototype */
#include "gtm_utf8.h" /* UTF8_NAME */
#include "gtm_zlib.h"
#include "error.h"
#include "gtm_limits.h"
#include "compiler.h"
#include "gdsroot.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "filestruct.h"
#include "jnl.h"
#include "replgbl.h"
#include "gtm_semutils.h"
#include "gtmlink.h"
#include "send_msg.h"
#include "eintr_wrappers.h"
#include "utfcgr.h"
#include "gtm_reservedDB.h"
#define DEFAULT_NON_BLOCKED_WRITE_RETRIES 10 /* default number of retries */
#ifdef __MVS__
# define PUTENV_BPXK_MDUMP_PREFIX "_BPXK_MDUMP="
#endif
#ifdef DEBUG
/* Note the var below is NOT located in gtm_logicals because it is DEBUG-only which would screw-up
* regresion test v53003/D9I10002703.
*/
# define GTM_USESECSHR "$gtm_usesecshr"
/* GTM_TEST_FAKE_ENOSPC is used only in debug code so it does not have to go in gtm_logicals.h */
# define GTM_TEST_FAKE_ENOSPC "$gtm_test_fake_enospc"
/* GTM_TEST_AUTORELINK_ALWAYS is used only in debug code so it does not have to go in gtm_logicals.h */
# define GTM_TEST_AUTORELINK_ALWAYS "$gtm_test_autorelink_always"
/* GTM_DB_COUNTER_SEM_INCR is used only in debug code so it does not have to go in gtm_logicals.h */
# define GTM_DB_COUNTER_SEM_INCR "$gtm_db_counter_sem_incr"
/* GTM_TEST_JNLPOOL_SYNC is used only in debug code so it does not have to go in gtm_logicals.h */
# define GTM_TEST_JNLPOOL_SYNC "$gtm_test_jnlpool_sync"
#endif
/* Remove trailing '/' from path (unless only '/') */
#define REMOVE_TRAILING_SLASH_FROM_MSTR(TRANS) \
{ \
while ((1 < TRANS.len) && ('/' == TRANS.addr[TRANS.len - 1])) \
TRANS.len--; \
}
GBLREF uint4 gtm_principal_editing_defaults; /* ext_cap flags if tt */
GBLREF boolean_t is_gtm_chset_utf8;
GBLREF boolean_t utf8_patnumeric;
GBLREF boolean_t badchar_inhibit;
GBLREF boolean_t gtm_quiet_halt;
GBLREF int gtm_non_blocked_write_retries; /* number for retries for non_blocked write to pipe */
GBLREF char *gtm_core_file;
GBLREF char *gtm_core_putenv;
GBLREF boolean_t dmterm_default;
GBLREF boolean_t ipv4_only; /* If TRUE, only use AF_INET. */
ZOS_ONLY(GBLREF char *gtm_utf8_locale_object;)
ZOS_ONLY(GBLREF boolean_t gtm_tag_utf8_as_ascii;)
GBLREF volatile boolean_t timer_in_handler;
#ifdef USE_LIBAIO
GBLREF char io_setup_errstr[IO_SETUP_ERRSTR_ARRAYSIZE];
#endif
LITREF mstr relink_allowed_mstr[];
static readonly nametabent editing_params[] =
{
{7, "EDITING"},
{7, "EMPTERM"},
{6, "INSERT"},
{9, "NOEDITING"},
{9, "NOEMPTERM"},
{8, "NOINSERT"}
};
static readonly unsigned char editing_index[27] =
{
0, 0, 0, 0, 0, 2, 2, 2, 2, 3, 3, 3,
3, 3, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6
};
error_def(ERR_INVLOCALE);
error_def(ERR_INVLINKTMPDIR);
error_def(ERR_INVTMPDIR);
error_def(ERR_ARCTLMAXHIGH);
error_def(ERR_ARCTLMAXLOW);
void gtm_env_init_sp(void)
{ /* Unix only environment initializations */
mstr val, trans;
int4 status, index, len, hrtbt_cntr_delta, stat_res;
size_t cwdlen;
boolean_t ret, is_defined, novalidate;
char buf[MAX_SRCLINE + 1], *token, cwd[GTM_PATH_MAX];
char *cwdptr, *c, *end, *strtokptr;
struct stat outbuf;
int gtm_autorelink_shm_min;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
# ifdef __MVS__
/* For now OS/390 only. Eventually, this could be added to all UNIX platforms along with the
* capability to specify the desired directory to put a core file in. Needs to be setup before
* much of anything else is.
*/
if (NULL == gtm_core_file)
{
token = getcwd(cwd, SIZEOF(cwd));
if (NULL != token)
{
cwdlen = strlen(cwd);
gtm_core_putenv = malloc(cwdlen + ('/' == cwd[cwdlen - 1] ? 0 : 1) + SIZEOF(GTMCORENAME)
+ strlen(PUTENV_BPXK_MDUMP_PREFIX));
MEMCPY_LIT(gtm_core_putenv, PUTENV_BPXK_MDUMP_PREFIX);
gtm_core_file = cwdptr = gtm_core_putenv + strlen(PUTENV_BPXK_MDUMP_PREFIX);
memcpy(cwdptr, &cwd, cwdlen);
cwdptr += cwdlen;
if ('/' != cwd[cwdlen - 1])
*cwdptr++ = '/';
memcpy(cwdptr, GTMCORENAME, SIZEOF(GTMCORENAME)); /* Also copys in trailing null */
} /* else gtm_core_file/gtm_core_putenv remain null and we likely cannot generate proper core files */
}
# endif
assert(GTM_PATH_MAX <= MAX_SRCLINE);
/* Validate $gtm_tmp if specified, else that default is available */
val.addr = GTM_TMP_ENV;
val.len = SIZEOF(GTM_TMP_ENV) - 1;
if ((SS_NORMAL != (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long))) || (0 == trans.len))
{ /* Nothing for $gtm_tmp either - use DEFAULT_GTM_TMP which is already a string */
MEMCPY_LIT(buf, DEFAULT_GTM_TMP);
trans.addr = buf;
trans.len = SIZEOF(DEFAULT_GTM_TMP) - 1;
}
assert(GTM_PATH_MAX > trans.len);
REMOVE_TRAILING_SLASH_FROM_MSTR(trans); /* Remove trailing '/' from trans.addr */
trans.addr[trans.len] = '\0';
STAT_FILE(trans.addr, &outbuf, stat_res);
if ((-1 == stat_res) || !S_ISDIR(outbuf.st_mode))
{
/* Either the directory doesn't exist or the specified or defaulted entity is not a directory */
send_msg_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_INVTMPDIR, 2, trans.len, trans.addr);
}
/* Check for and and setup gtm_quiet_halt if specified */
val.addr = GTM_QUIET_HALT;
val.len = SIZEOF(GTM_QUIET_HALT) - 1;
ret = logical_truth_value(&val, FALSE, &is_defined);
if (is_defined)
gtm_quiet_halt = ret;
/* Initialize local variable null subscripts allowed flag */
val.addr = GTM_LVNULLSUBS;
val.len = SIZEOF(GTM_LVNULLSUBS) - 1;
ret = trans_numeric(&val, &is_defined, TRUE); /* Not initialized enuf for errors yet so silent rejection of invalid vals */
TREF(lv_null_subs) = ((is_defined && (LVNULLSUBS_FIRST < ret) && (LVNULLSUBS_LAST > ret)) ? ret : LVNULLSUBS_OK);
/* ZLIB library compression level */
val.addr = GTM_ZLIB_CMP_LEVEL;
val.len = SIZEOF(GTM_ZLIB_CMP_LEVEL) - 1;
gtm_zlib_cmp_level = trans_numeric(&val, &is_defined, TRUE);
if (GTM_CMPLVL_OUT_OF_RANGE(gtm_zlib_cmp_level))
gtm_zlib_cmp_level = ZLIB_CMPLVL_MIN; /* no compression in this case */
gtm_principal_editing_defaults = 0;
val.addr = GTM_PRINCIPAL_EDITING;
val.len = SIZEOF(GTM_PRINCIPAL_EDITING) - 1;
if (SS_NORMAL == (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long)))
{
assert(trans.len < GTM_PATH_MAX);
trans.addr[trans.len] = '\0';
token = STRTOK_R(trans.addr, ":", &strtokptr);
while (NULL != token)
{
if (ISALPHA_ASCII(token[0]))
index = namelook(editing_index, editing_params, STR_AND_LEN(token));
else
index = -1; /* ignore this token */
if (0 <= index)
{
switch (index)
{
case 0: /* EDITING */
gtm_principal_editing_defaults |= TT_EDITING;
break;
case 1: /* EMPTERM */
gtm_principal_editing_defaults |= TT_EMPTERM;
break;
case 2: /* INSERT */
gtm_principal_editing_defaults &= ~TT_NOINSERT;
break;
case 3: /* NOEDITING */
gtm_principal_editing_defaults &= ~TT_EDITING;
break;
case 4: /* NOEMPTERM */
gtm_principal_editing_defaults &= ~TT_EMPTERM;
break;
case 5: /* NOINSERT */
gtm_principal_editing_defaults |= TT_NOINSERT;
break;
}
}
token = STRTOK_R(NULL, ":", &strtokptr);
}
}
val.addr = GTM_CHSET_ENV;
val.len = STR_LIT_LEN(GTM_CHSET_ENV);
if (SS_NORMAL == (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long))
&& STR_LIT_LEN(UTF8_NAME) == trans.len)
{
if (!strncasecmp(buf, UTF8_NAME, STR_LIT_LEN(UTF8_NAME)))
{
is_gtm_chset_utf8 = TRUE;
# ifdef __MVS__
val.addr = GTM_CHSET_LOCALE_ENV;
val.len = STR_LIT_LEN(GTM_CHSET_LOCALE_ENV);
if ((SS_NORMAL == (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long))) &&
(0 < trans.len))
{ /* full path to 64 bit ASCII UTF-8 locale object */
gtm_utf8_locale_object = malloc(trans.len + 1);
STRNCPY_STR(gtm_utf8_locale_object, buf, trans.len);
gtm_utf8_locale_object[trans.len] = '\0';
}
val.addr = GTM_TAG_UTF8_AS_ASCII;
val.len = STR_LIT_LEN(GTM_TAG_UTF8_AS_ASCII);
if (SS_NORMAL == (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long)))
{ /* We to tag UTF8 files as ASCII so we can read them, this var disables that */
if (status = logical_truth_value(&val, FALSE, &is_defined) && is_defined)
gtm_tag_utf8_as_ascii = FALSE;
}
# endif
/* Initialize $ZPATNUMERIC only if $ZCHSET is "UTF-8" */
val.addr = GTM_PATNUMERIC_ENV;
val.len = STR_LIT_LEN(GTM_PATNUMERIC_ENV);
if (SS_NORMAL == (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long))
&& STR_LIT_LEN(UTF8_NAME) == trans.len
&& !strncasecmp(buf, UTF8_NAME, STR_LIT_LEN(UTF8_NAME)))
{
utf8_patnumeric = TRUE;
}
val.addr = GTM_BADCHAR_ENV;
val.len = STR_LIT_LEN(GTM_BADCHAR_ENV);
status = logical_truth_value(&val, TRUE, &is_defined);
if (is_defined)
badchar_inhibit = status ? TRUE : FALSE;
}
}
/* Initialize variable that controls number of retries for non-blocked writes to a pipe on unix */
val.addr = GTM_NON_BLOCKED_WRITE_RETRIES;
val.len = SIZEOF(GTM_NON_BLOCKED_WRITE_RETRIES) - 1;
gtm_non_blocked_write_retries = trans_numeric(&val, &is_defined, TRUE);
if (!is_defined)
gtm_non_blocked_write_retries = DEFAULT_NON_BLOCKED_WRITE_RETRIES;
/* Initialize variable that controls the behavior on journal error */
val.addr = GTM_ERROR_ON_JNL_FILE_LOST;
val.len = SIZEOF(GTM_ERROR_ON_JNL_FILE_LOST) - 1;
TREF(error_on_jnl_file_lost) = trans_numeric(&val, &is_defined, FALSE);
if (MAX_JNL_FILE_LOST_OPT < TREF(error_on_jnl_file_lost))
TREF(error_on_jnl_file_lost) = JNL_FILE_LOST_TURN_OFF; /* default behavior */
/* Initialize variable that controls jnl release timeout */
val.addr = GTM_JNL_RELEASE_TIMEOUT;
val.len = SIZEOF(GTM_JNL_RELEASE_TIMEOUT) - 1;
(TREF(replgbl)).jnl_release_timeout = trans_numeric(&val, &is_defined, TRUE);
if (!is_defined)
(TREF(replgbl)).jnl_release_timeout = DEFAULT_JNL_RELEASE_TIMEOUT;
else if (0 > (TREF(replgbl)).jnl_release_timeout) /* consider negative timeout value as zero */
(TREF(replgbl)).jnl_release_timeout = 0;
else if (MAXPOSINT4 / MILLISECS_IN_SEC < (TREF(replgbl)).jnl_release_timeout) /* max value supported for timers */
(TREF(replgbl)).jnl_release_timeout = MAXPOSINT4 / MILLISECS_IN_SEC;
/* Initialize variable that controls the maximum time that a process should spend while waiting for semaphores in db_init */
val.addr = GTM_DB_STARTUP_MAX_WAIT;
val.len = SIZEOF(GTM_DB_STARTUP_MAX_WAIT) - 1;
hrtbt_cntr_delta = trans_numeric(&val, &is_defined, FALSE);
if (!is_defined)
TREF(dbinit_max_delta_secs) = DEFAULT_DBINIT_MAX_DELTA_SECS;
else
TREF(dbinit_max_delta_secs) = hrtbt_cntr_delta;
/* Initialize variable that controls the location of GT.M custom errors file (used for anticipatory freeze) */
val.addr = GTM_CUSTOM_ERRORS;
val.len = SIZEOF(GTM_CUSTOM_ERRORS) - 1;
if ((SS_NORMAL == (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long))) && (0 < trans.len))
{
assert(GTM_PATH_MAX > trans.len);
(TREF(gtm_custom_errors)).addr = malloc(trans.len + 1); /* +1 for '\0'; This memory is never freed */
(TREF(gtm_custom_errors)).len = trans.len;
/* For now, we assume that if the environment variable is defined to NULL, anticipatory freeze is NOT in effect */
if (0 < trans.len)
{
memcpy((TREF(gtm_custom_errors)).addr, buf, trans.len);
((TREF(gtm_custom_errors)).addr)[trans.len] = '\0';
}
}
/* See if gtm_link is set */
val.addr = GTM_LINK;
val.len = SIZEOF(GTM_LINK) - 1;
TREF(relink_allowed) = LINK_NORECURSIVE; /* default */
if (SS_NORMAL == (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long)))
{
init_relink_allowed(&trans); /* set TREF(relink_allowed) */
}
# ifdef AUTORELINK_SUPPORTED
if (!IS_GTMSECSHR_IMAGE)
{ /* Set default or supplied value for $gtm_linktmpdir */
val.addr = GTM_LINKTMPDIR;
val.len = SIZEOF(GTM_LINKTMPDIR) - 1;
if (SS_NORMAL != (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long)))
{ /* Else use default $gtm_tmp value or its default */
val.addr = GTM_TMP_ENV;
val.len = SIZEOF(GTM_TMP_ENV) - 1;
if ((SS_NORMAL != (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long)))
|| (0 < trans.len))
{ /* Nothing for $gtm_tmp either - use DEFAULT_GTM_TMP which is already a string */
trans.addr = DEFAULT_GTM_TMP;
trans.len = SIZEOF(DEFAULT_GTM_TMP) - 1;
}
novalidate = TRUE; /* Don't validate gtm_linktmpdir if is defaulting to $gtm_tmp */
} else
novalidate = FALSE;
assert(GTM_PATH_MAX > trans.len);
REMOVE_TRAILING_SLASH_FROM_MSTR(trans); /* Remove trailing '/' from trans.addr */
(TREF(gtm_linktmpdir)).addr = malloc(trans.len + 1); /* +1 for '\0'; This memory is never freed */
(TREF(gtm_linktmpdir)).len = trans.len;
/* For now, we assume that if the environment variable is defined to NULL, anticipatory freeze is NOT in effect */
if (0 < trans.len)
memcpy((TREF(gtm_linktmpdir)).addr, trans.addr, trans.len);
((TREF(gtm_linktmpdir)).addr)[trans.len] = '\0';
if (!novalidate)
{ /* $gtm_linktmpdir was specified - validate it (bypass if using $gtm_tmp or its default as that was
* already checked earlier.
*/
STAT_FILE((TREF(gtm_linktmpdir)).addr, &outbuf, stat_res);
if ((-1 == stat_res) || !S_ISDIR(outbuf.st_mode))
{ /* Either the directory doesn't exist or the entity is not a directory */
send_msg_csa(CSA_ARG(NULL) VARLSTCNT(4)
ERR_INVLINKTMPDIR, 2, (TREF(gtm_linktmpdir)).len, (TREF(gtm_linktmpdir)).addr);
free((TREF(gtm_linktmpdir)).addr);
trans.len = SIZEOF(DEFAULT_GTM_TMP) - 1;
trans.addr = DEFAULT_GTM_TMP;
REMOVE_TRAILING_SLASH_FROM_MSTR(trans); /* Remove trailing '/' from trans.addr */
(TREF(gtm_linktmpdir)) = trans;
}
}
}
/* See if gtm_autorelink_shm is set */
val.addr = GTM_AUTORELINK_SHM;
val.len = SIZEOF(GTM_AUTORELINK_SHM) - 1;
gtm_autorelink_shm_min = trans_numeric(&val, &is_defined, TRUE);
if (!is_defined || !gtm_autorelink_shm_min)
TREF(relinkctl_shm_min_index) = 0;
else
{
gtm_autorelink_shm_min = (2 <= gtm_autorelink_shm_min) ? ceil_log2_32bit(gtm_autorelink_shm_min) : 0;
TREF(relinkctl_shm_min_index) = gtm_autorelink_shm_min;
}
/* See if gtm_autorelink_keeprtn is set */
val.addr = GTM_AUTORELINK_KEEPRTN;
val.len = SIZEOF(GTM_AUTORELINK_KEEPRTN) - 1;
TREF(gtm_autorelink_keeprtn) = logical_truth_value(&val, FALSE, &is_defined);
if (!is_defined)
TREF(gtm_autorelink_keeprtn) = FALSE;
/* See if gtm_autorelink_ctlmax is set */
val.addr = GTM_AUTORELINK_CTLMAX;
val.len = SIZEOF(GTM_AUTORELINK_CTLMAX) - 1;
TREF(gtm_autorelink_ctlmax) = trans_numeric(&val, &is_defined, TRUE);
if (!is_defined)
TREF(gtm_autorelink_ctlmax) = RELINKCTL_DEFAULT_ENTRIES;
else if (TREF(gtm_autorelink_ctlmax) > RELINKCTL_MAX_ENTRIES)
{
send_msg_csa(CSA_ARG(NULL) VARLSTCNT(6) ERR_ARCTLMAXHIGH, 4, LEN_AND_LIT(GTM_AUTORELINK_CTLMAX),
TREF(gtm_autorelink_ctlmax), RELINKCTL_MAX_ENTRIES);
TREF(gtm_autorelink_ctlmax) = RELINKCTL_MAX_ENTRIES;
} else if (TREF(gtm_autorelink_ctlmax) < RELINKCTL_MIN_ENTRIES)
{
send_msg_csa(CSA_ARG(NULL) VARLSTCNT(6) ERR_ARCTLMAXLOW, 4, LEN_AND_LIT(GTM_AUTORELINK_CTLMAX),
TREF(gtm_autorelink_ctlmax), RELINKCTL_MIN_ENTRIES);
TREF(gtm_autorelink_ctlmax) = RELINKCTL_MIN_ENTRIES;
}
# endif /* AUTORELINK_SUPPORTED */
# ifdef DEBUG
/* DEBUG-only option to bypass 'easy' methods of things and always use gtmsecshr for IPC cleanups, wakeups, file removal,
* etc. Basically use gtmsecshr for anything where it is an option - helps with testing gtmsecshr for proper operation.
*/
val.addr = GTM_USESECSHR;
val.len = SIZEOF(GTM_USESECSHR) - 1;
TREF(gtm_usesecshr) = logical_truth_value(&val, FALSE, &is_defined);
if (!is_defined)
TREF(gtm_usesecshr) = FALSE;
/* DEBUG-only option to enable/disable anticipatory freeze fake ENOSPC testing */
val.addr = GTM_TEST_FAKE_ENOSPC;
val.len = SIZEOF(GTM_TEST_FAKE_ENOSPC) - 1;
TREF(gtm_test_fake_enospc) = logical_truth_value(&val, FALSE, &is_defined);
if (!is_defined)
TREF(gtm_test_fake_enospc) = FALSE;
/* DEBUG-only option to enable autorelink on all directories in $zroutines (except for shlib directories) */
val.addr = GTM_TEST_AUTORELINK_ALWAYS;
val.len = SIZEOF(GTM_TEST_AUTORELINK_ALWAYS) - 1;
TREF(gtm_test_autorelink_always) = logical_truth_value(&val, FALSE, &is_defined);
if (!is_defined)
TREF(gtm_test_autorelink_always) = FALSE;
/* DEBUG-only option to enable counter semaphore to be incremented by more than the default value of 1 */
val.addr = GTM_DB_COUNTER_SEM_INCR;
val.len = SIZEOF(GTM_DB_COUNTER_SEM_INCR) - 1;
gtm_db_counter_sem_incr = trans_numeric(&val, &is_defined, TRUE);
if (!is_defined || !gtm_db_counter_sem_incr)
gtm_db_counter_sem_incr = DEFAULT_DB_COUNTER_SEM_INCR;
/* DEBUG-only option to force the journal pool accounting out of sync every n transactions. */
val.addr = GTM_TEST_JNLPOOL_SYNC;
val.len = SIZEOF(GTM_TEST_JNLPOOL_SYNC) - 1;
TREF(gtm_test_jnlpool_sync) = trans_numeric(&val, &is_defined, TRUE);
if (!is_defined)
TREF(gtm_test_jnlpool_sync) = 0;
# endif
# ifdef GTMDBGFLAGS_ENABLED
val.addr = GTMDBGFLAGS;
val.len = SIZEOF(GTMDBGFLAGS) - 1;
TREF(gtmdbgflags) = trans_numeric(&val, &is_defined, TRUE);
val.addr = GTMDBGFLAGS_FREQ;
val.len = SIZEOF(GTMDBGFLAGS_FREQ) - 1;
TREF(gtmdbgflags_freq) = trans_numeric(&val, &is_defined, TRUE);
# endif
/* See if gtm_ipv4_only is set */
val.addr = GTM_IPV4_ONLY;
val.len = SIZEOF(GTM_IPV4_ONLY) - 1;
ipv4_only = logical_truth_value(&val, FALSE, NULL);
/* See if gtm_dmterm is set */
val.addr = GTM_DMTERM;
val.len = SIZEOF(GTM_DMTERM) - 1;
dmterm_default = logical_truth_value(&val, FALSE, NULL);
/* Set values for gtm_utfcgr_strings and gtm_utfcgr_string_groups */
val.addr = GTM_UTFCGR_STRINGS;
val.len = SIZEOF(GTM_UTFCGR_STRINGS) - 1;
TREF(gtm_utfcgr_strings) = trans_numeric(&val, &is_defined, TRUE);
if (!is_defined)
{
assert(GTM_UTFCGR_STRINGS_DEFAULT <= GTM_UTFCGR_STRINGS_MAX);
TREF(gtm_utfcgr_strings) = GTM_UTFCGR_STRINGS_DEFAULT;
} else if (GTM_UTFCGR_STRINGS_MAX < TREF(gtm_utfcgr_strings))
TREF(gtm_utfcgr_strings) = GTM_UTFCGR_STRINGS_MAX;
val.addr = GTM_UTFCGR_STRING_GROUPS;
val.len = SIZEOF(GTM_UTFCGR_STRING_GROUPS) - 1;
TREF(gtm_utfcgr_string_groups) = trans_numeric(&val, &is_defined, TRUE);
if (!is_defined)
TREF(gtm_utfcgr_string_groups) = GTM_UTFCGR_STRING_GROUPS_DEFAULT;
/* If gtm_locale is defined, reset the locale for this process - but only for UTF8 mode */
if (is_gtm_chset_utf8)
{
val.addr = GTM_LOCALE;
val.len = SIZEOF(GTM_LOCALE) - 1;
if (SS_NORMAL == (status = TRANS_LOG_NAME(&val, &trans, buf, GTM_PATH_MAX, do_sendmsg_on_log2long)))
{
if ((0 < trans.len) && (GTM_PATH_MAX > trans.len))
{ /* Something was specified - need to clear LC_ALL and set LC_CTYPE but need room in buf[]
* for string-ending null.
*/
putenv("LC_ALL"); /* Clear LC_ALL before LC_CTYPE can take effect */
buf[trans.len] = '\0';
status = setenv("LC_CTYPE", buf, TRUE);
if (0 != status)
send_msg_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_INVLOCALE, 2, val.len, val.addr, status);
}
}
}
# ifdef USE_LIBAIO
/* Initialize variable that controls the nr_events parameter to io_setup() for linux AIO. */
val.addr = GTM_AIO_NR_EVENTS;
val.len = SIZEOF(GTM_AIO_NR_EVENTS) - 1;
TREF(gtm_aio_nr_events) = trans_numeric(&val, &is_defined, FALSE);
if (!is_defined || (TREF(gtm_aio_nr_events) == 0))
TREF(gtm_aio_nr_events) = GTM_AIO_NR_EVENTS_DEFAULT;
/* Populate the io_setup() error string. */
SNPRINTF(io_setup_errstr, ARRAYSIZE(io_setup_errstr), IO_SETUP_FMT, TREF(gtm_aio_nr_events));
# endif
/* Check if gtm_statshare is enabled */
val.addr = GTM_STATSHARE;
val.len = SIZEOF(GTM_STATSHARE) - 1;
ret = logical_truth_value(&val, FALSE, &is_defined);
TREF(statshare_opted_in) = (!is_defined) ? NO_STATS_OPTIN : ret ? ALL_STATS_OPTIN : NO_STATS_OPTIN;
/* Pull in specified gtm_statsdir if specified, else default to gtm_tmp or its default. Note we don't validate the directory
* here. It need not exist until a database is opened. If gtm_statsdir does not exist, find an appropriate default and
* set it so it is always resolvable.
*/
val.addr = GTM_STATSDIR;
val.len = SIZEOF(GTM_STATSDIR) - 1;
/* Using MAX_FN_LEN below instead of GTM_PATH_MAX because csa->nl->statsdb_fname[] size is MAX_FN_LEN + 1 */
if ((SS_NORMAL != (status = TRANS_LOG_NAME(&val, &trans, buf, MAX_STATSDIR_LEN, do_sendmsg_on_log2long)))
|| (0 == trans.len))
{ /* Either no translation for $gtm_statsdir or the current and/or expanded value of $gtm_statsdir exceeds the
* max path length. For either case $gtm_statsdir needs to be (re)set so try to use $gtm_tmp instead - note
* from here down we'll (re)set $gtm_statsdir so it ALWAYS has a (valid) value for mu_cre_file() to later use.
*/
val.addr = GTM_TMP_ENV;
val.len = SIZEOF(GTM_TMP_ENV) - 1;
if ((SS_NORMAL != (status = TRANS_LOG_NAME(&val, &trans, buf, MAX_STATSDIR_LEN, do_sendmsg_on_log2long)))
|| (0 == trans.len))
{ /* Nothing for $gtm_tmp - use DEFAULT_GTM_TMP instead */
trans.addr = DEFAULT_GTM_TMP;
trans.len = SIZEOF(DEFAULT_GTM_TMP) - 1;
}
/* In the setenv() call below, trans.addr always points to a double quoted string so has a NULL terminator */
c = GTM_STATSDIR;
c++; /* Bump past the '$' to get to the actual envvar name needed by setenv */
status = setenv(c, trans.addr, 1);
assert(0 == status);
}
assert(MAX_STATSDIR_LEN >= trans.len);
}
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