rework autospawning code to survive multiple pa_contexts in a single process

1 files changed, 109 insertions, 0 deletions

diff --git a/src/tests/lock-autospawn-test.c b/src/tests/lock-autospawn-test.c
new file mode 100644
index 00000000..cb3dc87c
--- /dev/null
+++ b/src/tests/lock-autospawn-test.c
@@ -0,0 +1,109 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2008 Lennart Poettering
+
+  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 <sys/poll.h>
+#include <string.h>
+
+#include <pulsecore/macro.h>
+#include <pulsecore/thread.h>
+#include <pulse/lock-autospawn.h>
+#include <pulse/util.h>
+
+static void thread_func(void*k) {
+    pa_assert_se(pa_autospawn_lock_init() >= 0);
+
+    pa_log("%i, Trying to acquire lock.", PA_PTR_TO_INT(k));
+
+    pa_assert_se(pa_autospawn_lock_acquire(TRUE) > 0);
+
+    pa_log("%i, Got the lock!, Sleeping for 5s", PA_PTR_TO_INT(k));
+
+    pa_msleep(5000);
+
+    pa_log("%i, Releasing", PA_PTR_TO_INT(k));
+
+    pa_autospawn_lock_release();
+
+    pa_autospawn_lock_done(FALSE);
+}
+
+static void thread_func2(void *k) {
+    int fd;
+
+    pa_assert_se((fd = pa_autospawn_lock_init()) >= 0);
+
+    pa_log("%i, Trying to acquire lock.", PA_PTR_TO_INT(k));
+
+    for (;;) {
+        struct pollfd pollfd;
+        int j;
+
+        if ((j = pa_autospawn_lock_acquire(FALSE)) > 0)
+            break;
+
+        pa_assert(j == 0);
+
+        memset(&pollfd, 0, sizeof(pollfd));
+        pollfd.fd = fd;
+        pollfd.events = POLLIN;
+
+        pa_assert_se(poll(&pollfd, 1, -1) == 1);
+
+        pa_log("%i, woke up", PA_PTR_TO_INT(k));
+    }
+
+    pa_log("%i, Got the lock!, Sleeping for 5s", PA_PTR_TO_INT(k));
+
+    pa_msleep(5000);
+
+    pa_log("%i, Releasing", PA_PTR_TO_INT(k));
+
+    pa_autospawn_lock_release();
+
+    pa_autospawn_lock_done(FALSE);
+}
+
+int main(int argc, char**argv) {
+    pa_thread *a, *b, *c, *d;
+
+    pa_assert_se((a = pa_thread_new(thread_func, PA_INT_TO_PTR(1))));
+    pa_assert_se((b = pa_thread_new(thread_func2, PA_INT_TO_PTR(2))));
+    pa_assert_se((c = pa_thread_new(thread_func2, PA_INT_TO_PTR(3))));
+    pa_assert_se((d = pa_thread_new(thread_func, PA_INT_TO_PTR(4))));
+
+    pa_thread_join(a);
+    pa_thread_join(b);
+    pa_thread_join(c);
+    pa_thread_join(d);
+
+    pa_thread_free(a);
+    pa_thread_free(b);
+    pa_thread_free(c);
+    pa_thread_free(d);
+
+    pa_log("End");
+
+    return 0;
+}