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authorGravatar David Garcia Quintas <dgq@google.com>2016-05-04 00:14:14 -0700
committerGravatar David Garcia Quintas <dgq@google.com>2016-05-04 00:14:14 -0700
commit0d83db5f963d740b63a1d2874b991234f5305706 (patch)
treea59d6e5eb7a7c7807ba0a729f20d1f4db681da7e /src/core/ext
parentaea5f12e65afdc19a4d2c9d93723c7cb225db1dd (diff)
properly lock call to custom lr func
Diffstat (limited to 'src/core/ext')
-rw-r--r--src/core/ext/load_reporting/load_reporting_filter.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/core/ext/load_reporting/load_reporting_filter.c b/src/core/ext/load_reporting/load_reporting_filter.c
index 6970f064b8..902c110212 100644
--- a/src/core/ext/load_reporting/load_reporting_filter.c
+++ b/src/core/ext/load_reporting/load_reporting_filter.c
@@ -32,6 +32,7 @@
*/
#include <grpc/support/log.h>
+#include <grpc/support/sync.h>
#include <string.h>
#include "src/core/ext/load_reporting/load_reporting.h"
@@ -40,7 +41,10 @@
#include "src/core/lib/profiling/timers.h"
typedef struct call_data { void *dummy; } call_data;
-typedef struct channel_data { grpc_load_reporting_config *lrc; } channel_data;
+typedef struct channel_data {
+ gpr_mu mu;
+ grpc_load_reporting_config *lrc;
+} channel_data;
/* Constructor for call_data */
static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
@@ -52,7 +56,9 @@ static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
channel_data *chand = elem->channel_data;
if (chand->lrc != NULL) {
GPR_TIMER_BEGIN("load_reporting_filter", 0);
+ gpr_mu_lock(&chand->mu);
grpc_load_reporting_config_call(chand->lrc, stats);
+ gpr_mu_unlock(&chand->mu);
GPR_TIMER_END("load_reporting_filter", 0);
}
}
@@ -66,6 +72,7 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
channel_data *chand = elem->channel_data;
memset(chand, 0, sizeof(channel_data));
+ gpr_mu_init(&chand->mu);
for (size_t i = 0; i < args->channel_args->num_args; i++) {
if (0 == strcmp(args->channel_args->args[i].key,
GRPC_ARG_ENABLE_LOAD_REPORTING)) {
@@ -83,6 +90,7 @@ static void init_channel_elem(grpc_exec_ctx *exec_ctx,
static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
grpc_channel_element *elem) {
channel_data *chand = elem->channel_data;
+ gpr_mu_destroy(&chand->mu);
grpc_load_reporting_config_destroy(chand->lrc);
}