feat: update tests
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9b2e156869
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2
Makefile
2
Makefile
@ -18,6 +18,8 @@ bins+=33-switch-many-cascade
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bins+=51-fibonacci
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bins+=61-mutex
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bins+=62-mutex
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bins+=63-mutex-equity
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bins+=64-mutex-join
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bins+=71-preemption
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bins+=81-deadlock
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@ -1,7 +1,7 @@
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#!/bin/sh
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tst_dir=tst
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filenames="01-main 02-switch 03-equity 11-join 12-join-main 21-create-many 22-create-many-recursive 23-create-many-once 31-switch-many 32-switch-many-join 33-switch-many-cascade 51-fibonacci 61-mutex 62-mutex 71-preemption 81-deadlock"
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filenames="01-main 02-switch 03-equity 11-join 12-join-main 21-create-many 22-create-many-recursive 23-create-many-once 31-switch-many 32-switch-many-join 33-switch-many-cascade 51-fibonacci 61-mutex 62-mutex 63-mutex-equity 64-mutex-join 71-preemption 81-deadlock"
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mkdir -p "${tst_dir}"
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for filename in ${filenames}
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@ -42,6 +42,7 @@ static void * thfunc(void *_nbth)
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us = (tv2.tv_sec-tv1.tv_sec)*1000000+(tv2.tv_usec-tv1.tv_usec);
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printf("%d yield avec plein de threads dans join: %ld us\n",
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nbyield, us);
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printf("%ld threads créés et détruits\n", nbthrd);
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printf("GRAPH;32;%ld;%d;%lu\n", nbthrd, nbyield, us);
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}
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return _nbth;
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@ -59,6 +60,5 @@ int main(int argc, char *argv[])
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thfunc((void*) nbthrd);
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printf("%ld threads créés et détruits\n", nbthrd);
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return 0;
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}
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84
tst/63-mutex-equity.c
Normal file
84
tst/63-mutex-equity.c
Normal file
@ -0,0 +1,84 @@
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <sys/time.h>
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#include "thread.h"
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/* test pour verifier que prendre un mutex ne desactive pas l'equité envers les autres threads.
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*
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* valgrind doit etre content.
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* Le programme doit finir.
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*
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* support nécessaire:
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* - thread_create()
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* - retour sans thread_exit()
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* - thread_join() sans récupération de la valeur de retour
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* - thread_mutex_init()
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* - thread_mutex_destroy()
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* - thread_mutex_lock()
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* - thread_mutex_unlock()
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*/
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int fini = 0;
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thread_mutex_t lock;
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static void * thfunc(void *dummy __attribute__((unused)))
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{
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unsigned i;
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/* on incremente progressivement fini jusque 5 pour debloquer le main */
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for(i=0; i<5; i++) {
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thread_yield();
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fini++;
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}
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/* on attend que main remette à 0 */
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thread_mutex_lock(&lock);
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while (fini != 0)
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thread_yield();
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thread_mutex_unlock(&lock);
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thread_exit(NULL);
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}
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int main(void)
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{
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thread_t th;
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int err, i;
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struct timeval tv1, tv2;
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unsigned long us;
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gettimeofday(&tv1, NULL);
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/* on cree le mutex et le thread */
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if (thread_mutex_init(&lock) != 0) {
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fprintf(stderr, "thread_mutex_init failed\n");
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return -1;
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}
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err = thread_create(&th, thfunc, NULL);
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assert(!err);
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/* on prend le lock puis on attend que l'autre mette fini = 5 */
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thread_mutex_lock(&lock);
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while (fini != 5)
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thread_yield();
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thread_mutex_unlock(&lock);
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/* on baisse progressivement jusque 0 */
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for(i=0; i<5; i++) {
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thread_yield();
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fini--;
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}
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/* fini */
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err = thread_join(th, NULL);
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assert(!err);
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gettimeofday(&tv2, NULL);
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thread_mutex_destroy(&lock);
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us = (tv2.tv_sec-tv1.tv_sec)*1000000+(tv2.tv_usec-tv1.tv_usec);
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printf("%lu us\n", us);
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return EXIT_SUCCESS;
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}
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94
tst/64-mutex-join.c
Normal file
94
tst/64-mutex-join.c
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@ -0,0 +1,94 @@
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <sys/time.h>
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#include "thread.h"
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/* test pour verifier que prendre un mutex ne casse pas le join
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*
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* valgrind doit etre content.
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* Le programme doit finir.
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*
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* support nécessaire:
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* - thread_create()
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* - retour sans thread_exit()
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* - thread_join() dans un mutex
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* - thread_mutex_init()
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* - thread_mutex_destroy()
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* - thread_mutex_lock()
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* - thread_mutex_unlock()
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*/
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int pret = 0;
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thread_mutex_t lock;
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static void * thfunc(void *dummy __attribute__((unused)))
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{
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unsigned i;
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int err;
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/* on prend le verrou puis on se marque pret */
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err = thread_mutex_lock(&lock);
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assert(!err);
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pret = 1;
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printf(" fils: verrouillé\n");
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for(i=0; i<5; i++) {
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printf(" fils: yield() pour verifier que le père n'arrive pas aller plus loin\n");
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thread_yield();
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}
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printf(" fils: va déverrouiller\n");
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pret = 2;
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err = thread_mutex_unlock(&lock);
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assert(!err);
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for(i=0; i<5; i++) {
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printf(" fils: yield() avant de finir\n");
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thread_yield();
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}
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thread_exit((void*) 0xdeadbeef);
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}
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int main(void)
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{
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thread_t th;
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int err;
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struct timeval tv1, tv2;
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unsigned long us;
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void *ret;
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gettimeofday(&tv1, NULL);
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/* on cree le mutex et le thread */
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if (thread_mutex_init(&lock) != 0) {
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fprintf(stderr, "thread_mutex_init failed\n");
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return -1;
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}
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err = thread_create(&th, thfunc, NULL);
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assert(!err);
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printf("pere: attend que le fils ait démarré\n");
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while (pret == 0)
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thread_yield();
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printf("pere: fils pret, on verrouille\n");
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err = thread_mutex_lock(&lock);
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assert(!err);
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printf("pere: verrouillé, on joine\n");
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err = thread_join(th, &ret);
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assert(!err);
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assert(ret == (void*)0xdeadbeef);
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assert(pret == 2);
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printf("pere: join réussi\n");
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gettimeofday(&tv2, NULL);
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err = thread_mutex_unlock(&lock);
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assert(!err);
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thread_mutex_destroy(&lock);
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us = (tv2.tv_sec-tv1.tv_sec)*1000000+(tv2.tv_usec-tv1.tv_usec);
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printf("%lu us\n", us);
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return EXIT_SUCCESS;
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}
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