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Fixes to problem drivers.

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This commit is contained in:
Geoffrey Challen 2016-02-15 11:10:19 -05:00
parent dc00578b06
commit 0bdd3681c6
1 changed files with 20 additions and 45 deletions
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61
kern/test/synchprobs.c
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@ -81,7 +81,6 @@ static volatile int matchmaker_start_count;
static volatile int matchmaker_end_count;
static volatile int match_count;
static volatile int match_status[3 * NMATING];
static volatile void* whale_threads[3 * NMATING];
static volatile int whale_roles[3 * NMATING];
static struct semaphore *matcher_sem;
@ -117,11 +116,11 @@ male_start(uint32_t index) {
check_thread(whale_threads, index);
check_role(index, MALE);
male_start_count++;
kprintf_n("%s starting\n", curthread->t_name);
kprintf_t(".");
lock_release(testlock);
random_yielder(PROBLEMS_MAX_YIELDER);
random_spinner(PROBLEMS_MAX_SPINNER);
kprintf_n("%s starting\n", curthread->t_name);
kprintf_t(".");
V(startsem);
}
void
@ -131,11 +130,11 @@ male_end(uint32_t index) {
check_thread(whale_threads, index);
check_role(index, MALE);
male_end_count++;
kprintf_n("%s ending\n", curthread->t_name);
kprintf_t(".");
lock_release(testlock);
random_yielder(PROBLEMS_MAX_YIELDER);
random_spinner(PROBLEMS_MAX_SPINNER);
kprintf_n("%s ending\n", curthread->t_name);
kprintf_t(".");
V(endsem);
}
@ -160,11 +159,11 @@ female_start(uint32_t index) {
check_thread(whale_threads, index);
check_role(index, FEMALE);
female_start_count++;
kprintf_n("%s starting\n", curthread->t_name);
kprintf_t(".");
lock_release(testlock);
random_yielder(PROBLEMS_MAX_YIELDER);
random_spinner(PROBLEMS_MAX_SPINNER);
kprintf_n("%s starting\n", curthread->t_name);
kprintf_t(".");
V(startsem);
}
void
@ -174,11 +173,11 @@ female_end(uint32_t index) {
check_thread(whale_threads, index);
check_role(index, FEMALE);
female_end_count++;
kprintf_n("%s ending\n", curthread->t_name);
kprintf_t(".");
lock_release(testlock);
random_yielder(PROBLEMS_MAX_YIELDER);
random_spinner(PROBLEMS_MAX_SPINNER);
kprintf_n("%s ending\n", curthread->t_name);
kprintf_t(".");
V(endsem);
}
@ -204,11 +203,11 @@ matchmaker_start(uint32_t index) {
check_thread(whale_threads, index);
check_role(index, MATCHMAKER);
matchmaker_start_count++;
kprintf_n("%s starting\n", curthread->t_name);
kprintf_t(".");
lock_release(testlock);
random_yielder(PROBLEMS_MAX_YIELDER);
random_spinner(PROBLEMS_MAX_SPINNER);
kprintf_n("%s starting\n", curthread->t_name);
kprintf_t(".");
V(startsem);
}
void
@ -218,27 +217,16 @@ matchmaker_end(uint32_t index) {
check_thread(whale_threads, index);
check_role(index, MATCHMAKER);
int i = match_count * 3;
match_status[i] = male_start_count - male_end_count;
match_status[i+1] = female_start_count - female_end_count;
match_status[i+2] = matchmaker_start_count - matchmaker_end_count;
match_count++;
matchmaker_end_count++;
kprintf_n("%s ending\n", curthread->t_name);
kprintf_t(".");
lock_release(testlock);
random_yielder(PROBLEMS_MAX_YIELDER);
random_spinner(PROBLEMS_MAX_SPINNER);
kprintf_n("%s ending\n", curthread->t_name);
kprintf_t(".");
V(endsem);
}
static
void
check_zero(int count) {
failif((count != 0), "failed: not all threads completed");
}
int
whalemating(int nargs, char **args) {
(void) nargs;
@ -257,6 +245,9 @@ whalemating(int nargs, char **args) {
matchmaker_end_count = 0;
match_count = 0;
kprintf_n("Starting sp1...\n");
kprintf_n("If this tests hangs, your solution is incorrect.\n");
testlock = lock_create("testlock");
if (testlock == NULL) {
panic("sp1: lock_create failed\n");
@ -387,25 +378,6 @@ whalemating(int nargs, char **args) {
whalemating_cleanup();
check_zero(male_start_count - NMATING);
check_zero(female_start_count - NMATING);
check_zero(matchmaker_start_count - NMATING);
check_zero(male_start_count - male_end_count);
check_zero(female_start_count - female_end_count);
check_zero(matchmaker_start_count - matchmaker_end_count);
if (match_count == NMATING) {
for (i = 0; i < NMATING; i++) {
kprintf_t(".");
j = i * 3;
int male = match_status[j];
int female = match_status[j + 1];
failif((male == 0 || female == 0), "failed: not all males were matched");
}
} else {
failif(true, "failed: not all males were matched");
}
done:
for (i = 0; i < total_count; i++) {
P(endsem);
@ -619,6 +591,9 @@ int stoplight(int nargs, char **args) {
max_car_count = 0;
all_quadrant = 0;
kprintf_n("Starting sp2...\n");
kprintf_n("If this tests hangs, your solution is incorrect.\n");
for (i = 0; i < NUM_QUADRANTS; i++) {
quadrant_array[i] = 0;
}