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authorDavid Robillard <d@drobilla.net>2012-02-13 01:01:38 +0000
committerDavid Robillard <d@drobilla.net>2012-02-13 01:01:38 +0000
commit806dd3218ab67efcc68e25bfe3a68fddfec029b6 (patch)
treec8cdc9b356d57fcaf7169afa0e8e9cf7b7ec4e50 /plugins/eg-sampler.lv2/sampler.c
parent651bc82e5d45c534115e85f568319feab95c38f6 (diff)
downloadlv2-806dd3218ab67efcc68e25bfe3a68fddfec029b6.tar.xz
Use portable thread implementation.
Diffstat (limited to 'plugins/eg-sampler.lv2/sampler.c')
-rw-r--r--plugins/eg-sampler.lv2/sampler.c52
1 files changed, 28 insertions, 24 deletions
diff --git a/plugins/eg-sampler.lv2/sampler.c b/plugins/eg-sampler.lv2/sampler.c
index 8ee2c05..c6bf30c 100644
--- a/plugins/eg-sampler.lv2/sampler.c
+++ b/plugins/eg-sampler.lv2/sampler.c
@@ -37,8 +37,6 @@
#include <stdlib.h>
#include <string.h>
-#include <pthread.h>
-
#include <sndfile.h>
#include "lv2/lv2plug.in/ns/ext/atom/atom-helpers.h"
@@ -48,6 +46,7 @@
#include "lv2/lv2plug.in/ns/lv2core/lv2.h"
#include "zix/sem.h"
+#include "zix/thread.h"
#include "./uris.h"
@@ -70,10 +69,14 @@ typedef struct {
/* Features */
LV2_URID_Map* map;
+ /* Worker thread */
+ ZixThread worker_thread;
+ ZixSem signal;
+ bool exit;
+
/* Sample */
SampleFile* samp;
SampleFile* pending_samp;
- ZixSem signal;
int pending_sample_ready;
/* Ports */
@@ -92,11 +95,9 @@ typedef struct {
} uris;
/* Playback state */
- bool play;
sf_count_t frame;
+ bool play;
- /* File loading */
- pthread_t worker_thread;
} Sampler;
static void
@@ -142,8 +143,7 @@ worker_thread_main(void* arg)
{
Sampler* plugin = (Sampler*)arg;
- /* TODO: This thread never exits cleanly */
- while (true) {
+ while (!plugin->exit) {
/* Wait for run() to signal that we need to load a sample */
zix_sem_wait(&plugin->signal);
@@ -155,21 +155,6 @@ worker_thread_main(void* arg)
}
static void
-cleanup(LV2_Handle instance)
-{
- Sampler* plugin = (Sampler*)instance;
- pthread_cancel(plugin->worker_thread);
- pthread_join(plugin->worker_thread, 0);
- zix_sem_destroy(&plugin->signal);
-
- free(plugin->samp->data);
- free(plugin->pending_samp->data);
- free(plugin->samp);
- free(plugin->pending_samp);
- free(instance);
-}
-
-static void
connect_port(LV2_Handle instance,
uint32_t port,
void* data)
@@ -216,7 +201,9 @@ instantiate(const LV2_Descriptor* descriptor,
}
/* Create worker thread */
- if (pthread_create(&plugin->worker_thread, 0, worker_thread_main, plugin)) {
+ plugin->exit = false;
+ if (zix_thread_create(
+ &plugin->worker_thread, 1024, worker_thread_main, plugin)) {
fprintf(stderr, "Could not initialize worker thread.\n");
goto fail;
}
@@ -258,6 +245,23 @@ fail:
}
static void
+cleanup(LV2_Handle instance)
+{
+ Sampler* plugin = (Sampler*)instance;
+
+ plugin->exit = true;
+ zix_sem_post(&plugin->signal);
+ zix_thread_join(plugin->worker_thread, 0);
+ zix_sem_destroy(&plugin->signal);
+
+ free(plugin->samp->data);
+ free(plugin->pending_samp->data);
+ free(plugin->samp);
+ free(plugin->pending_samp);
+ free(instance);
+}
+
+static void
run(LV2_Handle instance,
uint32_t sample_count)
{