diff options
Diffstat (limited to 'src/gpgme.c')
| -rw-r--r-- | src/gpgme.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/gpgme.c b/src/gpgme.c index 2372a06a..73788e7e 100644 --- a/src/gpgme.c +++ b/src/gpgme.c @@ -45,6 +45,10 @@ static char *def_lc_messages; gpgme_error_t _gpgme_selftest = GPG_ERR_NOT_OPERATIONAL; +/* Protects all reference counters in result structures. All other + accesses to a key are read only. */ +DEFINE_STATIC_LOCK (result_ref_lock); + /* Create a new context as an environment for GPGME crypto operations. */ @@ -178,29 +182,39 @@ gpgme_release (gpgme_ctx_t ctx) void gpgme_result_ref (void *result) { - struct ctx_op_data *data = result - sizeof (struct ctx_op_data); + struct ctx_op_data *data; if (! result) return; + data = result - sizeof (struct ctx_op_data); + + LOCK (result_ref_lock); data->references++; + UNLOCK (result_ref_lock); } void gpgme_result_unref (void *result) { - struct ctx_op_data *data = result - sizeof (struct ctx_op_data); + struct ctx_op_data *data; if (! result) return; - if (--data->references == 0) + data = result - sizeof (struct ctx_op_data); + + LOCK (result_ref_lock); + if (--data->references) { - if (data->cleanup) - (*data->cleanup) (data->hook); - free (data); + UNLOCK (result_ref_lock); + return; } + + if (data->cleanup) + (*data->cleanup) (data->hook); + free (data); } |