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Added missing operations

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This commit is contained in:
Justin Ethier 2021-01-07 09:23:28 -08:00
parent abe4e31d05
commit 220934f3d3
2 changed files with 89 additions and 13 deletions
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78
ck-polyfill.c
View file

@ -100,29 +100,95 @@ bool ck_array_commit(ck_array_t *array) {
bool ck_pr_cas_int(int *target, int old_value, int new_value)
{
bool result = false;
pthread_mutex_lock(&glock);
if (*target == old_value) {
*target = new_value;
return true;
result = true;
}
return false;
pthread_mutex_unlock(&glock);
return result;
}
bool ck_pr_cas_ptr(void *target, void *old_value, void *new_value)
{
bool result = false;
pthread_mutex_lock(&glock);
if ( *(void **)target == old_value ) {
*(void **)target = new_value;
return true;
result = true;
}
return false;
pthread_mutex_unlock(&glock);
return result;
// *(void **)v = set;
}
bool ck_pr_cas_8(uint8_t *target, uint8_t old_value, uint8_t new_value)
{
bool result = false;
pthread_mutex_lock(&glock);
if (*target == old_value) {
*target = new_value;
return true;
result = true;
}
return false;
pthread_mutex_unlock(&glock);
return result;
}
void
ck_pr_add_ptr(void *target, uintptr_t delta)
{
pthread_mutex_lock(&glock);
size_t value = (size_t) target;
size_t d = (size_t) delta;
size_t result = value + d;
*(void **)target = (void *)result;
// *(void **)v = set;
pthread_mutex_unlock(&glock);
}
void
ck_pr_add_int(int *target, int delta)
{
pthread_mutex_lock(&glock);
(*target) += delta;
pthread_mutex_unlock(&glock);
}
void
ck_pr_add_8(uint8_t *target, uint8_t delta)
{
pthread_mutex_lock(&glock);
(*target) += delta;
pthread_mutex_unlock(&glock);
}
void *
ck_pr_load_ptr(const void *target)
{
void *result;
pthread_mutex_lock(&glock);
result = *(void **)target;
pthread_mutex_unlock(&glock);
return result;
}
int
ck_pr_load_int(const int *target)
{
int result;
pthread_mutex_lock(&glock);
result = *target;
pthread_mutex_unlock(&glock);
return result;
}
uint8_t
ck_pr_load_8(const uint8_t *target)
{
uint8_t result;
pthread_mutex_lock(&glock);
result = *target;
pthread_mutex_unlock(&glock);
return result;
}

24
ck-polyfill.h
View file

@ -115,12 +115,22 @@ bool
ck_pr_cas_8(uint8_t *target, uint8_t old_value, uint8_t new_value);
TODO:
ck_pr_add_8
ck_pr_add_int
ck_pr_add_ptr
ck_pr_load_8
ck_pr_load_int
ck_pr_load_ptr
void
ck_pr_add_ptr(void *target, uintptr_t delta);
void
ck_pr_add_int(int *target, int delta);
void
ck_pr_add_8(uint8_t *target, uint8_t delta);
void *
ck_pr_load_ptr(const void *target);
int
ck_pr_load_int(const int *target);
uint8_t
ck_pr_load_8(const uint8_t *target);
#endif /* CYCLONE_CK_POLYFILL_H */