opal_hwloc_print_buffers_t *opal_hwloc_get_print_buffer(void)
{
opal_hwloc_print_buffers_t *ptr;
int ret, i;
if (!fns_init) {
/* setup the print_args function */
if (OPAL_SUCCESS != (ret = opal_tsd_key_create(&print_tsd_key, buffer_cleanup))) {
return NULL;
}
fns_init = true;
}
ret = opal_tsd_getspecific(print_tsd_key, (void**)&ptr);
if (OPAL_SUCCESS != ret) return NULL;
if (NULL == ptr) {
ptr = (opal_hwloc_print_buffers_t*)malloc(sizeof(opal_hwloc_print_buffers_t));
for (i=0; i < OPAL_HWLOC_PRINT_NUM_BUFS; i++) {
ptr->buffers[i] = (char *) malloc((OPAL_HWLOC_PRINT_MAX_SIZE+1) * sizeof(char));
}
ptr->cntr = 0;
ret = opal_tsd_setspecific(print_tsd_key, (void*)ptr);
}
return (opal_hwloc_print_buffers_t*) ptr;
}
static char*
get_hostname_buffer(void)
{
void *buffer;
int ret;
ret = opal_tsd_getspecific(hostname_tsd_key, &buffer);
if (OPAL_SUCCESS != ret) return NULL;
if (NULL == buffer) {
buffer = (void*) malloc((NI_MAXHOST + 1) * sizeof(char));
ret = opal_tsd_setspecific(hostname_tsd_key, buffer);
}
return (char*) buffer;
}