diff options
Diffstat (limited to 'libglusterfs')
| -rw-r--r-- | libglusterfs/src/fd.c | 47 | ||||
| -rw-r--r-- | libglusterfs/src/fd.h | 2 |
2 files changed, 24 insertions, 25 deletions
diff --git a/libglusterfs/src/fd.c b/libglusterfs/src/fd.c index d6002a4eb17..a8a88b0f96f 100644 --- a/libglusterfs/src/fd.c +++ b/libglusterfs/src/fd.c @@ -105,13 +105,13 @@ gf_fd_fdtable_alloc (void) if (!fdtable) return NULL; - pthread_mutex_init (&fdtable->lock, NULL); + pthread_rwlock_init (&fdtable->lock, NULL); - pthread_mutex_lock (&fdtable->lock); + pthread_rwlock_wrlock (&fdtable->lock); { gf_fd_fdtable_expand (fdtable, 0); } - pthread_mutex_unlock (&fdtable->lock); + pthread_rwlock_unlock (&fdtable->lock); return fdtable; } @@ -145,11 +145,11 @@ gf_fd_fdtable_get_all_fds (fdtable_t *fdtable, uint32_t *count) fdentry_t *entries = NULL; if (fdtable) { - pthread_mutex_lock (&fdtable->lock); + pthread_rwlock_wrlock (&fdtable->lock); { entries = __gf_fd_fdtable_get_all_fds (fdtable, count); } - pthread_mutex_unlock (&fdtable->lock); + pthread_rwlock_unlock (&fdtable->lock); } return entries; @@ -193,11 +193,11 @@ gf_fd_fdtable_copy_all_fds (fdtable_t *fdtable, uint32_t *count) fdentry_t *entries = NULL; if (fdtable) { - pthread_mutex_lock (&fdtable->lock); + pthread_rwlock_rdlock (&fdtable->lock); { entries = __gf_fd_fdtable_copy_all_fds (fdtable, count); } - pthread_mutex_unlock (&fdtable->lock); + pthread_rwlock_unlock (&fdtable->lock); } return entries; @@ -221,12 +221,12 @@ gf_fd_fdtable_destroy (fdtable_t *fdtable) return; } - pthread_mutex_lock (&fdtable->lock); + pthread_rwlock_wrlock (&fdtable->lock); { fdentries = __gf_fd_fdtable_get_all_fds (fdtable, &fd_count); GF_FREE (fdtable->fdentries); } - pthread_mutex_unlock (&fdtable->lock); + pthread_rwlock_unlock (&fdtable->lock); if (fdentries != NULL) { for (i = 0; i < fd_count; i++) { @@ -237,7 +237,7 @@ gf_fd_fdtable_destroy (fdtable_t *fdtable) } GF_FREE (fdentries); - pthread_mutex_destroy (&fdtable->lock); + pthread_rwlock_destroy (&fdtable->lock); GF_FREE (fdtable); } } @@ -257,7 +257,7 @@ gf_fd_unused_get (fdtable_t *fdtable, fd_t *fdptr) return EINVAL; } - pthread_mutex_lock (&fdtable->lock); + pthread_rwlock_wrlock (&fdtable->lock); { fd_alloc_try_again: if (fdtable->first_free != GF_FDTABLE_END) { @@ -296,7 +296,7 @@ gf_fd_unused_get (fdtable_t *fdtable, fd_t *fdptr) } } out: - pthread_mutex_unlock (&fdtable->lock); + pthread_rwlock_unlock (&fdtable->lock); return fd; } @@ -323,7 +323,7 @@ gf_fd_put (fdtable_t *fdtable, int32_t fd) return; } - pthread_mutex_lock (&fdtable->lock); + pthread_rwlock_wrlock (&fdtable->lock); { fde = &fdtable->fdentries[fd]; /* If the entry is not allocated, put operation must return @@ -341,7 +341,7 @@ gf_fd_put (fdtable_t *fdtable, int32_t fd) fdtable->first_free = fd; } unlock_out: - pthread_mutex_unlock (&fdtable->lock); + pthread_rwlock_unlock (&fdtable->lock); if (fdptr) { fd_unref (fdptr); @@ -361,7 +361,7 @@ gf_fdptr_put (fdtable_t *fdtable, fd_t *fd) return; } - pthread_mutex_lock (&fdtable->lock); + pthread_rwlock_wrlock (&fdtable->lock); { for (i = 0; i < fdtable->max_fds; i++) { if (fdtable->fdentries[i].fd == fd) { @@ -392,7 +392,7 @@ gf_fdptr_put (fdtable_t *fdtable, fd_t *fd) fdtable->first_free = i; } unlock_out: - pthread_mutex_unlock (&fdtable->lock); + pthread_rwlock_unlock (&fdtable->lock); if ((fd != NULL) && (fde != NULL)) { fd_unref (fd); @@ -419,14 +419,14 @@ gf_fd_fdptr_get (fdtable_t *fdtable, int64_t fd) return NULL; } - pthread_mutex_lock (&fdtable->lock); + pthread_rwlock_rdlock (&fdtable->lock); { fdptr = fdtable->fdentries[fd].fd; if (fdptr) { fd_ref (fdptr); } } - pthread_mutex_unlock (&fdtable->lock); + pthread_rwlock_unlock (&fdtable->lock); return fdptr; } @@ -1084,8 +1084,7 @@ fdtable_dump (fdtable_t *fdtable, char *prefix) if (!fdtable) return; - ret = pthread_mutex_trylock (&fdtable->lock); - + ret = pthread_rwlock_tryrdlock (&fdtable->lock); if (ret) goto out; @@ -1106,7 +1105,7 @@ fdtable_dump (fdtable_t *fdtable, char *prefix) } } - pthread_mutex_unlock(&fdtable->lock); + pthread_rwlock_unlock(&fdtable->lock); out: if (ret != 0) @@ -1213,9 +1212,9 @@ fdtable_dump_to_dict (fdtable_t *fdtable, char *prefix, dict_t *dict) if (!dict) return; - ret = pthread_mutex_trylock (&fdtable->lock); + ret = pthread_rwlock_tryrdlock (&fdtable->lock); if (ret) - goto out; + return; memset (key, 0, sizeof (key)); snprintf (key, sizeof (key), "%s.fdtable.refcount", prefix); @@ -1251,6 +1250,6 @@ fdtable_dump_to_dict (fdtable_t *fdtable, char *prefix, dict_t *dict) ret = dict_set_int32 (dict, key, openfds); out: - pthread_mutex_unlock (&fdtable->lock); + pthread_rwlock_unlock (&fdtable->lock); return; } diff --git a/libglusterfs/src/fd.h b/libglusterfs/src/fd.h index 31f494a7e8f..3b4acf762ae 100644 --- a/libglusterfs/src/fd.h +++ b/libglusterfs/src/fd.h @@ -65,7 +65,7 @@ typedef struct fd_table_entry fdentry_t; struct _fdtable { int refcount; uint32_t max_fds; - pthread_mutex_t lock; + pthread_rwlock_t lock; fdentry_t *fdentries; int first_free; }; |