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localsocket: do not hold socket mutex while sleeping

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Matheus
2026-07-07 01:17:48 -03:00
parent bf03d99211
commit 5414393872
1 changed files with 13 additions and 5 deletions
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kernel-src/io/net/localsocket.c
+13 -5
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@@ -428,12 +428,12 @@ static int localsock_send(socket_t *socket, sockdesc_t *sockdesc) {
goto leave;
}
localsocket_t *peer = pair->client == localsocket ? pair->server : pair->client;
MUTEX_ACQUIRE(&pair->mutex);
localsocket_t *peer;
// check/wait for space
for (;;) {
peer = pair->client == localsocket ? pair->server : pair->client;
polldesc_t desc = {0};
error = poll_initdesc(&desc, 1);
if (error)
@@ -460,14 +460,18 @@ static int localsock_send(socket_t *socket, sockdesc_t *sockdesc) {
poll_destroydesc(&desc);
goto leave;
}
MUTEX_RELEASE(&pair->mutex);
MUTEX_RELEASE(&socket->mutex);
error = poll_dowait(&desc, 0);
poll_leave(&desc);
poll_destroydesc(&desc);
MUTEX_ACQUIRE(&socket->mutex);
MUTEX_ACQUIRE(&pair->mutex);
if (error)
goto leave;
}
@@ -554,13 +558,16 @@ static int localsock_recv(socket_t *socket, sockdesc_t *sockdesc) {
poll_destroydesc(&desc);
goto leave;
}
MUTEX_RELEASE(&pair->mutex);
MUTEX_RELEASE(&socket->mutex);
error = poll_dowait(&desc, 0);
poll_leave(&desc);
poll_destroydesc(&desc);
MUTEX_ACQUIRE(&socket->mutex);
MUTEX_ACQUIRE(&pair->mutex);
if (error)
goto leave;
@@ -636,7 +643,7 @@ static int localsock_accept(socket_t *_server, socket_t *_clientconnection, sock
return EINVAL;
}
MUTEX_ACQUIRE(&server->binding->mutex);
MUTEX_ACQUIRE(&binding->mutex);
if (server->listening == false) {
error = EINVAL;
@@ -678,6 +685,7 @@ static int localsock_accept(socket_t *_server, socket_t *_clientconnection, sock
}
MUTEX_RELEASE(&binding->mutex);
MUTEX_RELEASE(&server->socket.mutex);
error = poll_dowait(&desc, 0);
@@ -685,8 +693,9 @@ static int localsock_accept(socket_t *_server, socket_t *_clientconnection, sock
poll_destroydesc(&desc);
if (error)
goto leave_nobinding;
return error;
MUTEX_ACQUIRE(&server->socket.mutex);
MUTEX_ACQUIRE(&binding->mutex);
}
@@ -715,7 +724,6 @@ static int localsock_accept(socket_t *_server, socket_t *_clientconnection, sock
leave:
MUTEX_RELEASE(&binding->mutex);
leave_nobinding:
MUTEX_RELEASE(&server->socket.mutex);
return error;
}