int mca_memheap_base_static_init(mca_memheap_map_t *map)
{
/* read and parse segments from /proc/self/maps */
int ret = OSHMEM_SUCCESS;
assert(map);
assert(SYMB_SEG_INDEX <= map->n_segments);
ret = _load_segments();
if (OSHMEM_SUCCESS == ret) {
int i;
size_t total_mem;
for (i = 0, total_mem = 0; i < memheap_context.n_segments; i++) {
map_segment_t *s = &map->mem_segs[map->n_segments];
memset(s, 0, sizeof(*s));
MAP_SEGMENT_RESET_FLAGS(s);
s->seg_id = MAP_SEGMENT_SHM_INVALID;
s->seg_base_addr = memheap_context.mem_segs[i].start;
s->end = memheap_context.mem_segs[i].end;
s->seg_size = ((uintptr_t)s->end - (uintptr_t)s->seg_base_addr);
s->type = MAP_SEGMENT_STATIC;
map->n_segments++;
total_mem += ((uintptr_t)s->end - (uintptr_t)s->seg_base_addr);
}
MEMHEAP_VERBOSE(1,
"Memheap static memory: %llu byte(s), %d segments",
(unsigned long long)total_mem, map->n_segments);
}
return ret;
}
/**
* completely resets the contents of *ds_buf
*/
static inline void
shmem_ds_reset(map_segment_t *ds_buf)
{
OPAL_OUTPUT_VERBOSE(
(70, oshmem_sshmem_base_framework.framework_output,
"%s: %s: shmem_ds_resetting "
"(id: %d, size: %lu, name: %s)\n",
mca_sshmem_sysv_component.super.base_version.mca_type_name,
mca_sshmem_sysv_component.super.base_version.mca_component_name,
ds_buf->seg_id, (unsigned long)ds_buf->seg_size, ds_buf->seg_name)
);
MAP_SEGMENT_RESET_FLAGS(ds_buf);
ds_buf->seg_id = MAP_SEGMENT_SHM_INVALID;
ds_buf->seg_base_addr = 0;
ds_buf->end = 0;
ds_buf->seg_size = 0;
ds_buf->type = MAP_SEGMENT_UNKNOWN;
memset(ds_buf->seg_name, '\0', sizeof(ds_buf->seg_name));
}
