diff options
Diffstat (limited to 'src/lib/shm_rbuff.c')
| -rw-r--r-- | src/lib/shm_rbuff.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/lib/shm_rbuff.c b/src/lib/shm_rbuff.c index f7f383fc..ebae9702 100644 --- a/src/lib/shm_rbuff.c +++ b/src/lib/shm_rbuff.c @@ -45,14 +45,14 @@ #define FN_MAX_CHARS 255 -#define SHM_RB_FILE_SIZE ((SHM_BUFFER_SIZE) * sizeof(ssize_t) \ +#define SHM_RB_FILE_SIZE ((SHM_RBUFF_SIZE) * sizeof(ssize_t) \ + 3 * sizeof(size_t) \ + sizeof(pthread_mutex_t) \ + 2 * sizeof (pthread_cond_t)) -#define shm_rbuff_used(rb) ((*rb->head + (SHM_BUFFER_SIZE) - *rb->tail) \ - & ((SHM_BUFFER_SIZE) - 1)) -#define shm_rbuff_free(rb) (shm_rbuff_used(rb) + 1 < (SHM_BUFFER_SIZE)) +#define shm_rbuff_used(rb) ((*rb->head + (SHM_RBUFF_SIZE) - *rb->tail) \ + & ((SHM_RBUFF_SIZE) - 1)) +#define shm_rbuff_free(rb) (shm_rbuff_used(rb) + 1 < (SHM_RBUFF_SIZE)) #define shm_rbuff_empty(rb) (*rb->head == *rb->tail) #define head_el_ptr(rb) (rb->shm_base + *rb->head) #define tail_el_ptr(rb) (rb->shm_base + *rb->tail) @@ -109,7 +109,7 @@ struct shm_rbuff * rbuff_create(pid_t pid, close(fd); rb->shm_base = shm_base; - rb->head = (size_t *) (rb->shm_base + (SHM_BUFFER_SIZE)); + rb->head = (size_t *) (rb->shm_base + (SHM_RBUFF_SIZE)); rb->tail = rb->head + 1; rb->acl = rb->tail + 1; rb->lock = (pthread_mutex_t *) (rb->acl + 1); |