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Fix to bug #506, http://bugs.skysql.com/show_bug.cgi?id=506

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If debug and/or trace log is stored to shared memory, the absolute path to file is now /dev/shm/<pid>/skygw_[trace1|debug1].log
This commit is contained in:
VilhoRaatikka
2014-09-29 13:21:26 +03:00
parent fa47bf760a
commit 686d28a1f0
3 changed files with 41 additions and 4 deletions
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30
log_manager/log_manager.cc
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@ -75,7 +75,7 @@ int lm_enabled_logfiles_bitmask = 0;
* Path to directory in which all files are stored to shared memory
* by the OS.
*/
const char* shm_pathname = "/dev/shm";
const char* shm_pathname_prefix = "/dev/shm/";
/** Logfile ids from call argument '-s' */
char* shmem_id_str = NULL;
@ -2064,7 +2064,31 @@ static bool logfile_init(
* directory.
*/
if (store_shmem) {
#if 1
char* c;
pid_t pid = getpid();
int len = strlen(shm_pathname_prefix)+
get_decimal_len((size_t)pid);
c = (char *)calloc(len, sizeof(char));
if (c == NULL)
{
succp = false;
goto file_create_fail;
}
sprintf(c, "%s%d", shm_pathname_prefix, pid);
logfile->lf_filepath = c;
if (mkdir(c, S_IRWXU | S_IRWXG) != 0 &&
errno != EEXIST)
{
succp = false;
goto file_create_fail;
}
#else
logfile->lf_filepath = strdup(shm_pathname);
#endif
logfile->lf_linkpath = strdup(fn->fn_logpath);
logfile->lf_linkpath = add_slash(logfile->lf_linkpath);
} else {
@ -2146,7 +2170,7 @@ static bool logfile_init(
}
}
}
file_create_fail:
file_create_fail:
if (namecreatefail || nameconflicts)
{
logfile->lf_name_seqno += 1;
@ -2161,7 +2185,7 @@ static bool logfile_init(
free(logfile->lf_full_link_name);
logfile->lf_full_link_name = NULL;
}
goto return_with_succp;
}
} while (namecreatefail || nameconflicts);
/**