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Work on cleanup

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Add signal handlers for daemon to shut down
Add destroy listeners for modules and do cleanup
Fix some leaks
Simplify port registration in new nodes
Hide some more data structures
Let the node implementation take care of the reuse_buffer signal because
then we can get to the graph nodes to find the destination port.
Destroy modules in core cleanup. Modules should undo everything they
have done.
Activate the link after we negotiated format and buffers.
This commit is contained in:
Wim Taymans 2017-08-22 18:30:10 +02:00
parent 12e2fae8ab
commit c25834a692
31 changed files with 586 additions and 344 deletions
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6
spa/plugins/support/loop.c
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@ -563,8 +563,10 @@ static void source_signal_func(struct spa_source *source)
{
struct source_impl *impl = SPA_CONTAINER_OF(source, struct source_impl, source);
struct signalfd_siginfo signal_info;
int len;
if (read(source->fd, &signal_info, sizeof(signal_info)) != sizeof(signal_info))
len = read(source->fd, &signal_info, sizeof signal_info);
if (!(len == -1 && errno == EAGAIN) && len != sizeof signal_info)
spa_log_warn(impl->impl->log, NAME " %p: failed to read signal fd %d: %s",
source, source->fd, strerror(errno));
@ -586,10 +588,12 @@ static struct spa_source *loop_add_signal(struct spa_loop_utils *utils,
source->source.loop = &impl->loop;
source->source.func = source_signal_func;
source->source.data = data;
sigemptyset(&mask);
sigaddset(&mask, signal_number);
source->source.fd = signalfd(-1, &mask, SFD_CLOEXEC | SFD_NONBLOCK);
sigprocmask(SIG_BLOCK, &mask, NULL);
source->source.mask = SPA_IO_IN;
source->impl = impl;
source->close = true;