summaryrefslogtreecommitdiffstats
path: root/src/pulsecore
diff options
context:
space:
mode:
Diffstat (limited to 'src/pulsecore')
-rw-r--r--src/pulsecore/mutex-posix.c121
-rw-r--r--src/pulsecore/mutex.h39
-rw-r--r--src/pulsecore/thread-posix.c146
-rw-r--r--src/pulsecore/thread.h44
4 files changed, 350 insertions, 0 deletions
diff --git a/src/pulsecore/mutex-posix.c b/src/pulsecore/mutex-posix.c
new file mode 100644
index 00000000..d0156dbf
--- /dev/null
+++ b/src/pulsecore/mutex-posix.c
@@ -0,0 +1,121 @@
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <pthread.h>
+#include <atomic_ops.h>
+
+#include <pulse/xmalloc.h>
+
+#include "mutex.h"
+
+#define ASSERT_SUCCESS(x) do { \
+ int _r = (x); \
+ assert(_r == 0); \
+} while(0)
+
+struct pa_mutex {
+ pthread_mutex_t mutex;
+};
+
+struct pa_cond {
+ pthread_cond_t cond;
+};
+
+pa_mutex* pa_mutex_new(int recursive) {
+ pa_mutex *m;
+ pthread_mutexattr_t attr;
+
+ pthread_mutexattr_init(&attr);
+
+ if (recursive)
+ if (pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) < 0)
+ return NULL;
+
+ m = pa_xnew(pa_mutex, 1);
+
+ if (pthread_mutex_init(&m->mutex, &attr) < 0) {
+ pa_xfree(m);
+ return NULL;
+ }
+
+ return m;
+}
+
+void pa_mutex_free(pa_mutex *m) {
+ assert(m);
+
+ ASSERT_SUCCESS(pthread_mutex_destroy(&m->mutex));
+ pa_xfree(m);
+}
+
+void pa_mutex_lock(pa_mutex *m) {
+ assert(m);
+
+ ASSERT_SUCCESS(pthread_mutex_lock(&m->mutex));
+}
+
+void pa_mutex_unlock(pa_mutex *m) {
+ assert(m);
+
+ ASSERT_SUCCESS(pthread_mutex_unlock(&m->mutex));
+}
+
+
+pa_cond *pa_cond_new(void) {
+ pa_cond *c;
+
+ c = pa_xnew(pa_cond, 1);
+
+ if (pthread_cond_init(&c->cond, NULL) < 0) {
+ pa_xfree(c);
+ return NULL;
+ }
+
+ return c;
+}
+
+void pa_cond_free(pa_cond *c) {
+ assert(c);
+
+ ASSERT_SUCCESS(pthread_cond_destroy(&c->cond));
+ pa_xfree(c);
+}
+
+void pa_cond_signal(pa_cond *c, int broadcast) {
+ assert(c);
+
+ if (broadcast)
+ ASSERT_SUCCESS(pthread_cond_broadcast(&c->cond));
+ else
+ ASSERT_SUCCESS(pthread_cond_signal(&c->cond));
+}
+
+int pa_cond_wait(pa_cond *c, pa_mutex *m) {
+ assert(c);
+ assert(m);
+
+ return pthread_cond_wait(&c->cond, &m->mutex);
+}
diff --git a/src/pulsecore/mutex.h b/src/pulsecore/mutex.h
new file mode 100644
index 00000000..b3b9c5c6
--- /dev/null
+++ b/src/pulsecore/mutex.h
@@ -0,0 +1,39 @@
+#ifndef foopulsemutexhfoo
+#define foopulsemutexhfoo
+
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+typedef struct pa_mutex pa_mutex;
+
+pa_mutex* pa_mutex_new(int recursive);
+void pa_mutex_free(pa_mutex *m);
+void pa_mutex_lock(pa_mutex *m);
+void pa_mutex_unlock(pa_mutex *m);
+
+typedef struct pa_cond pa_cond;
+
+pa_cond *pa_cond_new(void);
+void pa_cond_free(pa_cond *c);
+void pa_cond_signal(pa_cond *c, int broadcast);
+int pa_cond_wait(pa_cond *c, pa_mutex *m);
+
+#endif
diff --git a/src/pulsecore/thread-posix.c b/src/pulsecore/thread-posix.c
new file mode 100644
index 00000000..15ade290
--- /dev/null
+++ b/src/pulsecore/thread-posix.c
@@ -0,0 +1,146 @@
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <pthread.h>
+#include <atomic_ops.h>
+
+#include <pulse/xmalloc.h>
+
+#include "thread.h"
+
+#define ASSERT_SUCCESS(x) do { \
+ int _r = (x); \
+ assert(_r == 0); \
+} while(0)
+
+struct pa_thread {
+ pthread_t id;
+ pa_thread_func_t thread_func;
+ void *userdata;
+ AO_t running;
+};
+
+struct pa_tls {
+ pthread_key_t key;
+};
+
+static pa_tls *thread_tls;
+static pthread_once_t thread_tls_once = PTHREAD_ONCE_INIT;
+
+static void thread_tls_once_func(void) {
+ thread_tls = pa_tls_new(NULL);
+ assert(thread_tls);
+}
+
+static void* internal_thread_func(void *userdata) {
+ pa_thread *t = userdata;
+ assert(t);
+
+ t->id = pthread_self();
+
+ ASSERT_SUCCESS(pthread_once(&thread_tls_once, thread_tls_once_func));
+ pa_tls_set(thread_tls, t);
+
+ AO_store_release_write(&t->running, 1);
+ t->thread_func(t->userdata);
+ AO_store_release_write(&t->running, 0);
+
+ return NULL;
+}
+
+pa_thread* pa_thread_new(pa_thread_func_t thread_func, void *userdata) {
+ pa_thread *t;
+
+ t = pa_xnew(pa_thread, 1);
+ t->thread_func = thread_func;
+ t->userdata = userdata;
+
+ if (pthread_create(&t->id, NULL, internal_thread_func, t) < 0) {
+ pa_xfree(t);
+ return NULL;
+ }
+
+ return t;
+}
+
+int pa_thread_is_running(pa_thread *t) {
+ assert(t);
+
+ return !!AO_load_acquire_read(&t->running);
+}
+
+void pa_thread_free(pa_thread *t) {
+ assert(t);
+
+ pa_thread_join(t);
+ pa_xfree(t);
+}
+
+int pa_thread_join(pa_thread *t) {
+ assert(t);
+
+ return pthread_join(t->id, NULL);
+}
+
+pa_thread* pa_thread_self(void) {
+ ASSERT_SUCCESS(pthread_once(&thread_tls_once, thread_tls_once_func));
+ return pa_tls_get(thread_tls);
+}
+
+pa_tls* pa_tls_new(pa_free_cb_t free_cb) {
+ pa_tls *t;
+
+ t = pa_xnew(pa_tls, 1);
+
+ if (pthread_key_create(&t->key, free_cb) < 0) {
+ pa_xfree(t);
+ return NULL;
+ }
+
+ return t;
+}
+
+void pa_tls_free(pa_tls *t) {
+ assert(t);
+
+ ASSERT_SUCCESS(pthread_key_delete(t->key));
+ pa_xfree(t);
+}
+
+void *pa_tls_get(pa_tls *t) {
+ assert(t);
+
+ return pthread_getspecific(t->key);
+}
+
+void *pa_tls_set(pa_tls *t, void *userdata) {
+ void *r;
+
+ r = pthread_getspecific(t->key);
+ ASSERT_SUCCESS(pthread_setspecific(t->key, userdata));
+ return r;
+}
+
diff --git a/src/pulsecore/thread.h b/src/pulsecore/thread.h
new file mode 100644
index 00000000..978e9927
--- /dev/null
+++ b/src/pulsecore/thread.h
@@ -0,0 +1,44 @@
+#ifndef foopulsethreadhfoo
+#define foopulsethreadhfoo
+
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#include <pulse/def.h>
+
+typedef struct pa_thread pa_thread;
+
+typedef void (*pa_thread_func_t) (void *userdata);
+
+pa_thread* pa_thread_new(pa_thread_func_t thread_func, void *userdata);
+void pa_thread_free(pa_thread *t);
+int pa_thread_join(pa_thread *t);
+int pa_thread_is_running(pa_thread *t);
+pa_thread *pa_thread_self(void);
+
+typedef struct pa_tls pa_tls;
+
+pa_tls* pa_tls_new(pa_free_cb_t free_cb);
+void pa_tls_free(pa_tls *t);
+void * pa_tls_get(pa_tls *t);
+void *pa_tls_set(pa_tls *t, void *userdata);
+
+#endif
generated by cgit (git 2.34.1) at 2024-04-25 18:01:40 +0000