diff options
Diffstat (limited to 'src/lib/shm_du_map.c')
| -rw-r--r-- | src/lib/shm_du_map.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/lib/shm_du_map.c b/src/lib/shm_du_map.c index 1bd89744..e207c05e 100644 --- a/src/lib/shm_du_map.c +++ b/src/lib/shm_du_map.c @@ -334,7 +334,6 @@ int shm_release_du_buff(struct shm_du_map * dum, ssize_t idx) long sz; long blocks = 0; - if (idx > SHM_BLOCKS_IN_MAP) return -1; @@ -352,7 +351,8 @@ int shm_release_du_buff(struct shm_du_map * dum, ssize_t idx) return 0; } - while (get_tail_ptr(dum)->garbage == 1) { + while (get_tail_ptr(dum)->garbage == 1 && + *dum->ptr_tail != *dum->ptr_head) { sz = get_tail_ptr(dum)->size; while (sz + (long) sizeof(struct shm_du_buff) > 0) { sz -= SHM_DU_BUFF_BLOCK_SIZE; @@ -361,6 +361,7 @@ int shm_release_du_buff(struct shm_du_map * dum, ssize_t idx) *(dum->ptr_tail) = (*dum->ptr_tail + blocks) & (SHM_BLOCKS_IN_MAP - 1); + blocks = 0; } |