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-rw-r--r--src/nxt_port_rpc.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/src/nxt_port_rpc.c b/src/nxt_port_rpc.c
index 77e8af45..37f2d902 100644
--- a/src/nxt_port_rpc.c
+++ b/src/nxt_port_rpc.c
@@ -8,7 +8,7 @@
#include <nxt_port_rpc.h>
-static nxt_atomic_t nxt_stream_ident = 1;
+static volatile uint32_t *nxt_stream_ident;
typedef struct nxt_port_rpc_reg_s nxt_port_rpc_reg_t;
@@ -30,6 +30,29 @@ nxt_port_rpc_remove_from_peers(nxt_task_t *task, nxt_port_t *port,
nxt_port_rpc_reg_t *reg);
+nxt_int_t
+nxt_port_rpc_init(void)
+{
+ void *p;
+
+ if (nxt_stream_ident != NULL) {
+ return NXT_OK;
+ }
+
+ p = nxt_mem_mmap(NULL, sizeof(*nxt_stream_ident), PROT_READ | PROT_WRITE,
+ MAP_ANON | MAP_SHARED, -1, 0);
+
+ if (nxt_slow_path(p == MAP_FAILED)) {
+ return NXT_ERROR;
+ }
+
+ nxt_stream_ident = p;
+ *nxt_stream_ident = 1;
+
+ return NXT_OK;
+}
+
+
static nxt_int_t
nxt_rpc_reg_test(nxt_lvlhsh_query_t *lhq, void *data)
{
@@ -105,8 +128,7 @@ nxt_port_rpc_register_handler_ex(nxt_task_t *task, nxt_port_t *port,
nxt_assert(port->pair[0] != -1);
- stream =
- (uint32_t) nxt_atomic_fetch_add(&nxt_stream_ident, 1) & 0x3FFFFFFF;
+ stream = nxt_atomic_fetch_add(nxt_stream_ident, 1);
reg = nxt_mp_zalloc(port->mem_pool, sizeof(nxt_port_rpc_reg_t) + ex_size);