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author | Stefan Zabka <zabkaste@hu-berlin.de> | 2020-06-22 16:43:42 +0200 |
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committer | Stefan Zabka <zabkaste@hu-berlin.de> | 2020-06-22 16:43:42 +0200 |
commit | 239f248456ad00f894dc26dceefa968898738c9d (patch) | |
tree | 14d41af555b12c88401d8bb46bae9f4319497b62 /04_exercise/slotmap/slotmap.c | |
parent | 021afcb8e4aa4fbc7905f527089c415108c86c75 (diff) | |
download | betriebssysteme-239f248456ad00f894dc26dceefa968898738c9d.tar.gz betriebssysteme-239f248456ad00f894dc26dceefa968898738c9d.zip |
Getting make to run
Diffstat (limited to '04_exercise/slotmap/slotmap.c')
-rw-r--r-- | 04_exercise/slotmap/slotmap.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/04_exercise/slotmap/slotmap.c b/04_exercise/slotmap/slotmap.c deleted file mode 100644 index 57c4ef5..0000000 --- a/04_exercise/slotmap/slotmap.c +++ /dev/null @@ -1,48 +0,0 @@ -// -// Created by stefan on 18.06.20. -// - -#include "slotmap.h" -#include <stdio.h> -smHeader smInit(smEntry * slab, size_t size) { - for (int i = 0; i < size; ++i) { - slab[i].value = (intptr_t)NULL; - } - return (smHeader){.slab = slab, .size=size}; -} -int smInsert(smHeader const * header, void * value) { - for (size_t i = 0; i< header->size; ++i ) { - intptr_t ptr = atomic_load(&header->slab[i].value); - if((void *)ptr == NULL) { - intptr_t expected = (intptr_t) NULL; - if(atomic_compare_exchange_strong(&header->slab[i].value, &expected, (intptr_t) value)){ - return 0; - } - } - } - return -1; -} -void smDelete(smEntry * node) { - intptr_t oldval = atomic_exchange(&node->value, (intptr_t)(NULL)); - if((void *) oldval == NULL) { - fprintf(stderr, "A Node has been double deleted"); - } -} -void smDeleteValue(smHeader const * header, void * value){ - for (size_t i = 0; i< header->size; ++i ) { - intptr_t ptr = atomic_load(&header->slab[i].value); - if((void *)ptr == value) { - smDelete(&header->slab[i]); - } - } -} -smEntry *smFindEntry(smHeader const * header, SearchFunction func){ - for (size_t i = 0; i< header->size; ++i ) { - void * value = (void *) atomic_load(&header->slab[i].value); - - if(value != NULL && func(value)) { - return &header->slab[i]; - } - } - return NULL; -} |