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Introducing use counters for port and app. Thread safe port write.

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Use counter helps to simplify logic around port and application free.

Port 'post' function introduced to simplify post execution of particular
function to original port engine's thread.

Write message queue is protected by mutex which makes port write operation
thread safe.
This commit is contained in:
Max Romanov
2017-10-04 14:58:47 +03:00
parent 414d508e04
commit 6a64533fa3
9 changed files with 691 additions and 416 deletions
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36
src/nxt_runtime.c
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@@ -553,7 +553,7 @@ nxt_runtime_exit(nxt_task_t *task, void *obj, void *data)
nxt_runtime_process_each(rt, process) {
nxt_runtime_process_remove(rt, process);
nxt_runtime_process_remove(task, process);
} nxt_runtime_process_loop;
@@ -1725,13 +1725,16 @@ nxt_runtime_process_get(nxt_runtime_t *rt, nxt_pid_t pid)
void
nxt_runtime_process_add(nxt_runtime_t *rt, nxt_process_t *process)
nxt_runtime_process_add(nxt_task_t *task, nxt_process_t *process)
{
nxt_port_t *port;
nxt_runtime_t *rt;
nxt_lvlhsh_query_t lhq;
nxt_assert(process->registered == 0);
rt = task->thread->runtime;
nxt_runtime_process_lhq_pid(&lhq, &process->pid);
lhq.replace = 0;
@@ -1753,7 +1756,7 @@ nxt_runtime_process_add(nxt_runtime_t *rt, nxt_process_t *process)
port->pid = process->pid;
nxt_runtime_port_add(rt, port);
nxt_runtime_port_add(task, port);
} nxt_process_port_loop;
@@ -1809,9 +1812,12 @@ nxt_runtime_process_remove_pid(nxt_runtime_t *rt, nxt_pid_t pid)
void
nxt_runtime_process_remove(nxt_runtime_t *rt, nxt_process_t *process)
nxt_runtime_process_remove(nxt_task_t *task, nxt_process_t *process)
{
nxt_port_t *port;
nxt_port_t *port;
nxt_runtime_t *rt;
rt = task->thread->runtime;
if (process->port_cleanups == 0) {
if (process->registered == 1) {
@@ -1823,9 +1829,9 @@ nxt_runtime_process_remove(nxt_runtime_t *rt, nxt_process_t *process)
} else {
nxt_process_port_each(process, port) {
nxt_runtime_port_remove(rt, port);
nxt_port_close(task, port);
nxt_port_release(port);
nxt_runtime_port_remove(task, port);
} nxt_process_port_loop;
}
@@ -1851,22 +1857,34 @@ nxt_runtime_port_first(nxt_runtime_t *rt, nxt_lvlhsh_each_t *lhe)
void
nxt_runtime_port_add(nxt_runtime_t *rt, nxt_port_t *port)
nxt_runtime_port_add(nxt_task_t *task, nxt_port_t *port)
{
nxt_runtime_t *rt;
rt = task->thread->runtime;
nxt_port_hash_add(&rt->ports, port);
rt->port_by_type[port->type] = port;
nxt_port_use(task, port, 1);
}
void
nxt_runtime_port_remove(nxt_runtime_t *rt, nxt_port_t *port)
nxt_runtime_port_remove(nxt_task_t *task, nxt_port_t *port)
{
nxt_runtime_t *rt;
rt = task->thread->runtime;
nxt_port_hash_remove(&rt->ports, port);
if (rt->port_by_type[port->type] == port) {
rt->port_by_type[port->type] = NULL;
}
nxt_port_use(task, port, -1);
}