Process port refactoring.

- Introduced nxt_runtime_process_port_create().
- Moved nxt_process_use() into nxt_process.c from nxt_runtime.c.
- Renamed nxt_runtime_process_remove_pid() as nxt_runtime_process_remove().
- Some public functions transformed to static.

This closes #327 issue on GitHub.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/nxt_process.c b/src/nxt_process.c
index 4b557b73..b246a58c 100644
--- a/src/nxt_process.c
+++ b/src/nxt_process.c
@@ -784,6 +784,17 @@ nxt_user_cred_set(nxt_task_t *task, nxt_user_cred_t *uc)
 
 
 void
+nxt_process_use(nxt_task_t *task, nxt_process_t *process, int i)
+{
+    process->use_count += i;
+
+    if (process->use_count == 0) {
+        nxt_runtime_process_release(task->thread->runtime, process);
+    }
+}
+
+
+void
 nxt_process_port_add(nxt_task_t *task, nxt_process_t *process, nxt_port_t *port)
 {
     nxt_assert(port->process == NULL);