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ports/audio/jack/files/patch-libjack_client.c
Thomas Zander 8befac40da Enable COOKEDMODE for more versatile soundcard support; use GitHub
Detailed log:
* Add COOKEDMODE option that turns on SNDCTL_DSP_COOKEDMODE.
  Without the cooked mode Jack's OSS driver currently fails for some
  soundcards (it chooses wrong sample rate). It's better to have
  COOKEDMODE=on by default since it often appears broken otherwise.
  Professionals probably want COOKEDMODE=off, after they make sure their
  soundcard works with jack.
* Switch to github for fetching the sources.
* Include the merged upstream pull request  to enable the realtime
  mode (-R).
* Add USES=autoreconf (github source doesn't include a configure script)
* Install more manpages.

PR:		220785
Submitted by:	yuri@rawbw.com
MFH:		2017Q3
2017-08-12 08:26:24 +00:00

190 lines
7 KiB
C

--- libjack/client.c.orig 2017-01-10 10:20:51 UTC
+++ libjack/client.c
@@ -68,6 +68,30 @@
static pthread_mutex_t client_lock;
static pthread_cond_t client_ready;
+/*
+ * The following read/write wrappers handle the case of interruption
+ * by system signals:
+ */
+static int
+read_retry(int fd, void *dst, int size)
+{
+ int error;
+ do {
+ error = read(fd, dst, size);
+ } while (error == -1 && errno == EINTR);
+ return (error);
+}
+
+static int
+write_retry(int fd, const void *src, int size)
+{
+ int error;
+ do {
+ error = write(fd, src, size);
+ } while (error == -1 && errno == EINTR);
+ return (error);
+}
+
static int
jack_client_close_aux(jack_client_t *client);
@@ -251,7 +275,7 @@ oop_client_deliver_request (void *ptr, j
int wok, rok;
jack_client_t *client = (jack_client_t*)ptr;
- wok = (write (client->request_fd, req, sizeof(*req))
+ wok = (write_retry (client->request_fd, req, sizeof(*req))
== sizeof(*req));
/* if necessary, add variable length key data after a PropertyChange request
@@ -259,7 +283,7 @@ oop_client_deliver_request (void *ptr, j
if (req->type == PropertyChangeNotify) {
if (req->x.property.keylen) {
- if (write (client->request_fd, req->x.property.key, req->x.property.keylen) != req->x.property.keylen) {
+ if (write_retry (client->request_fd, req->x.property.key, req->x.property.keylen) != req->x.property.keylen) {
jack_error ("cannot send property key of length %d to server",
req->x.property.keylen);
req->status = -1;
@@ -268,7 +292,7 @@ oop_client_deliver_request (void *ptr, j
}
}
- rok = (read (client->request_fd, req, sizeof(*req))
+ rok = (read_retry (client->request_fd, req, sizeof(*req))
== sizeof(*req));
if (wok && rok) { /* everything OK? */
@@ -837,14 +861,14 @@ server_event_connect (jack_client_t *cli
jack_uuid_copy (&req.client_id, client->control->uuid);
- if (write (fd, &req, sizeof(req)) != sizeof(req)) {
- jack_error ("cannot write event connect request to server (%s)",
+ if (write_retry (fd, &req, sizeof(req)) != sizeof(req)) {
+ jack_error ("cannot write_retry event connect request to server (%s)",
strerror (errno));
close (fd);
return -1;
}
- if (read (fd, &res, sizeof(res)) != sizeof(res)) {
+ if (read_retry (fd, &res, sizeof(res)) != sizeof(res)) {
jack_error ("cannot read event connect result from server (%s)",
strerror (errno));
close (fd);
@@ -1109,14 +1133,14 @@ jack_request_client (ClientType type,
snprintf (req.object_data, sizeof(req.object_data),
"%s", va->load_init);
- if (write (*req_fd, &req, sizeof(req)) != sizeof(req)) {
+ if (write_retry (*req_fd, &req, sizeof(req)) != sizeof(req)) {
jack_error ("cannot send request to jack server (%s)",
strerror (errno));
*status |= (JackFailure | JackServerError);
goto fail;
}
- if (read (*req_fd, res, sizeof(*res)) != sizeof(*res)) {
+ if (read_retry (*req_fd, res, sizeof(*res)) != sizeof(*res)) {
if (errno == 0) {
/* server shut the socket */
@@ -1512,7 +1536,7 @@ jack_internal_client_close (const char *
return;
}
- if (write (fd, &req, sizeof(req)) != sizeof(req)) {
+ if (write_retry (fd, &req, sizeof(req)) != sizeof(req)) {
jack_error ("cannot deliver ClientUnload request to JACK "
"server.");
}
@@ -1648,7 +1672,7 @@ jack_session_notify (jack_client_t* clie
request.x.session.type = code;
- if ( (write (client->request_fd, &request, sizeof(request))
+ if ( (write_retry (client->request_fd, &request, sizeof(request))
!= sizeof(request)) ) {
jack_error ("cannot send request type %d to server",
request.type);
@@ -1658,7 +1682,7 @@ jack_session_notify (jack_client_t* clie
while ( 1 ) {
jack_uuid_t uid;
- if (read (client->request_fd, &uid, sizeof(uid)) != sizeof(uid)) {
+ if (read_retry (client->request_fd, &uid, sizeof(uid)) != sizeof(uid)) {
jack_error ("cannot read result for request type %d from"
" server (%s)", request.type, strerror (errno));
goto out;
@@ -1680,19 +1704,19 @@ jack_session_notify (jack_client_t* clie
break;
}
- if (read (client->request_fd, (char*)retval[num_replies - 1].client_name, JACK_CLIENT_NAME_SIZE)
+ if (read_retry (client->request_fd, (char*)retval[num_replies - 1].client_name, JACK_CLIENT_NAME_SIZE)
!= JACK_CLIENT_NAME_SIZE) {
jack_error ("cannot read result for request type %d from"
" server (%s)", request.type, strerror (errno));
goto out;
}
- if (read (client->request_fd, (char*)retval[num_replies - 1].command, JACK_PORT_NAME_SIZE)
+ if (read_retry (client->request_fd, (char*)retval[num_replies - 1].command, JACK_PORT_NAME_SIZE)
!= JACK_PORT_NAME_SIZE) {
jack_error ("cannot read result for request type %d from"
" server (%s)", request.type, strerror (errno));
goto out;
}
- if (read (client->request_fd, &retval[num_replies - 1].flags, sizeof(retval[num_replies - 1].flags) )
+ if (read_retry (client->request_fd, &retval[num_replies - 1].flags, sizeof(retval[num_replies - 1].flags) )
!= sizeof(retval[num_replies - 1].flags) ) {
jack_error ("cannot read result for request type %d from"
" server (%s)", request.type, strerror (errno));
@@ -1811,7 +1835,7 @@ jack_client_process_events (jack_client_
/* server has sent us an event. process the
* event and reply */
- if (read (client->event_fd, &event, sizeof(event))
+ if (read_retry (client->event_fd, &event, sizeof(event))
!= sizeof(event)) {
jack_error ("cannot read server event (%s)",
strerror (errno));
@@ -1821,7 +1845,7 @@ jack_client_process_events (jack_client_
if (event.type == PropertyChange) {
if (event.y.key_size) {
key = (char*)malloc (event.y.key_size);
- if (read (client->event_fd, key, event.y.key_size) !=
+ if (read_retry (client->event_fd, key, event.y.key_size) !=
event.y.key_size) {
jack_error ("cannot read property change key (%s)",
strerror (errno));
@@ -1940,7 +1964,7 @@ jack_client_process_events (jack_client_
DEBUG ("client has dealt with the event, writing "
"response on event fd");
- if (write (client->event_fd, &status, sizeof(status))
+ if (write_retry (client->event_fd, &status, sizeof(status))
!= sizeof(status)) {
jack_error ("cannot send event response to "
"engine (%s)", strerror (errno));
@@ -1960,7 +1984,7 @@ jack_wake_next_client (jack_client_t* cl
int pret = 0;
char c = 0;
- if (write (client->graph_next_fd, &c, sizeof(c))
+ if (write_retry (client->graph_next_fd, &c, sizeof(c))
!= sizeof(c)) {
DEBUG ("cannot write byte to fd %d", client->graph_next_fd);
jack_error ("cannot continue execution of the "
@@ -1988,7 +2012,7 @@ jack_wake_next_client (jack_client_t* cl
}
if (pret > 0 && (pfds[0].revents & POLLIN)) {
- if (read (client->graph_wait_fd, &c, sizeof(c))
+ if (read_retry (client->graph_wait_fd, &c, sizeof(c))
!= sizeof(c)) {
jack_error ("cannot complete execution of the "
"processing graph (%s)", strerror (errno));