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-rw-r--r--src/threadpool.c95
1 files changed, 88 insertions, 7 deletions
diff --git a/src/threadpool.c b/src/threadpool.c
index e230ebb..808dd5d 100644
--- a/src/threadpool.c
+++ b/src/threadpool.c
@@ -4,6 +4,7 @@
4 4
5#include "ll.h" 5#include "ll.h"
6 6
7#include <asm-generic/errno-base.h>
7#include <threads.h> 8#include <threads.h>
8#include <stdlib.h> 9#include <stdlib.h>
9#include <errno.h> 10#include <errno.h>
@@ -161,34 +162,34 @@ static void ___ucleanup_dll(void *dll) {
161 162
162cqueue * cqueue_init(int mtx_type) { 163cqueue * cqueue_init(int mtx_type) {
163 unsigned char flag = 0; 164 unsigned char flag = 0;
164 cleanup_create(10); 165 cleanup_CREATE(10);
165 166
166 cqueue *cq = VALLOC(1, sizeof(*cq)); 167 cqueue *cq = VALLOC(1, sizeof(*cq));
167 if(!cq) 168 if(!cq)
168 return NULL; 169 return NULL;
169 cleanup_register(&__CLEANUP, free, cq); 170 cleanup_REGISTER(free, cq);
170 171
171 cq->mutex = VALLOC(1, sizeof(*(cq->mutex))); 172 cq->mutex = VALLOC(1, sizeof(*(cq->mutex)));
172 if(!(cq->mutex)) 173 if(!(cq->mutex))
173 flag++; 174 flag++;
174 cleanup_cndregister(&__CLEANUP, flag, free, cq->mutex); 175 cleanup_CNDREGISTER(flag, free, cq->mutex);
175 176
176 if(!flag && mtx_init(cq->mutex, mtx_type) != thrd_success) 177 if(!flag && mtx_init(cq->mutex, mtx_type) != thrd_success)
177 flag++; 178 flag++;
178 cleanup_cndregister(&__CLEANUP, flag, ___ucleanup_mtxd, cq->mutex); 179 cleanup_CNDREGISTER(flag, ___ucleanup_mtxd, cq->mutex);
179 180
180 if(!flag && !(cq->conditional = VALLOC(1, sizeof(*(cq->conditional))))) 181 if(!flag && !(cq->conditional = VALLOC(1, sizeof(*(cq->conditional)))))
181 flag++; 182 flag++;
182 cleanup_cndregister(&__CLEANUP, flag, free, cq->conditional); 183 cleanup_CNDREGISTER(flag, free, cq->conditional);
183 184
184 if(!flag && cnd_init(cq->conditional) != thrd_success) 185 if(!flag && cnd_init(cq->conditional) != thrd_success)
185 flag++; 186 flag++;
186 cleanup_cndregister(&__CLEANUP, flag, ___ucleanup_cndd, cq->conditional); 187 cleanup_CNDREGISTER(flag, ___ucleanup_cndd, cq->conditional);
187 188
188 cq->list = dlinkedlist_init(); 189 cq->list = dlinkedlist_init();
189 if(!flag && !cq->list) 190 if(!flag && !cq->list)
190 flag++; 191 flag++;
191 cleanup_cndregister(&__CLEANUP, flag, ___ucleanup_dll, cq->list); 192 cleanup_CNDREGISTER(flag, ___ucleanup_dll, cq->list);
192 193
193 if(flag) 194 if(flag)
194 cleanup_fire(&__CLEANUP); 195 cleanup_fire(&__CLEANUP);
@@ -210,4 +211,84 @@ void cqueue_free(cqueue *cq) {
210 free(cq); 211 free(cq);
211 212
212 return; 213 return;
214}
215
216int cqueue_append(cqueue * const cq, task *tsk) {
217 if(!cq || !tsk)
218 RETURNWERR(EINVAL, -1);
219
220 mtx_lock(cq->mutex);
221 dlinkedlist_append(cq->list, tsk, free);
222 mtx_unlock(cq->mutex);
223 cnd_signal(cq->conditional);
224
225 return 0;
226}
227
228int cqueue_prepend(cqueue * const cq, task *tsk) {
229 if(!cq || !tsk)
230 RETURNWERR(EINVAL, -1);
231
232 mtx_lock(cq->mutex);
233 dlinkedlist_prepend(cq->list, tsk, free);
234 mtx_unlock(cq->mutex);
235 cnd_signal(cq->conditional);
236
237 return 0;
238}
239
240int cqueue_insert(cqueue * const cq, task *tsk, int index) {
241 if(!cq || !tsk || index < 0) // Can't check to see if the index is too high without locking the mutex first
242 RETURNWERR(EINVAL, -1);
243
244 mtx_lock(cq->mutex);
245 dlinkedlist_insert(cq->list, tsk, free, index);
246 mtx_unlock(cq->mutex);
247 cnd_signal(cq->conditional);
248
249 return 0;
250}
251
252int cqueue_size(cqueue const * const cq) {
253 if(!cq)
254 RETURNWERR(EINVAL, -1);
255
256 mtx_lock(cq->mutex);
257 int retval = dlinkedlist_size(cq->list);
258 mtx_unlock(cq->mutex);
259
260 return retval;
261}
262
263int cqueue_isempty(cqueue const * const cq) {
264 return (cqueue_size(cq) == 0);
265}
266
267int cqueue_trypop(cqueue * const cq, task **ret) {
268 if(!cq || !ret || !*ret)
269 RETURNWERR(EINVAL, -1);
270
271 int retval = 0;
272
273 mtx_lock(cq->mutex);
274 if(!dlinkedlist_isempty(cq->list)) {
275 *ret = (task*)dlinkedlist_poplast(cq->list);
276 retval = 1;
277 }
278 mtx_unlock(cq->mutex);
279
280 return retval;
281}
282
283int cqueue_waitpop(cqueue * const cq, task **ret) {
284 if(!cq || !ret || !*ret)
285 RETURNWERR(EINVAL, -1);
286
287 mtx_lock(cq->mutex);
288 while(!dlinkedlist_isempty(cq->list))
289 cnd_wait(cq->conditional, cq->mutex); // Unlocks mutex while waiting, acquires lock once waiting is done
290 *ret = dlinkedlist_poplast(cq->list);
291 mtx_unlock(cq->mutex);
292
293 return 0;
213} \ No newline at end of file 294} \ No newline at end of file