glibc40/2efa9591e5e8a129e7b73ad0dad3eecbd69482ff.patch

From 2efa9591e5e8a129e7b73ad0dad3eecbd69482ff Mon Sep 17 00:00:00 2001
From: "Pierre-Loup A. Griffais" <pgriffais@valvesoftware.com>
Date: Tue, 30 Jul 2019 16:44:27 -0700
Subject: [PATCH] HACK: test app for pthread_mutex_lock_any(); should be
 tst-mutex* something.

---
 multimutextestapp/testapp.c | 78 +++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 multimutextestapp/testapp.c

diff --git a/multimutextestapp/testapp.c b/multimutextestapp/testapp.c
new file mode 100644
index 0000000000..eecf842dbc
--- /dev/null
+++ b/multimutextestapp/testapp.c
@@ -0,0 +1,78 @@
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static pthread_mutex_t m[3];
+
+
+static void *
+tf (void *arg)
+{
+  int out;
+  int ret = pthread_mutex_lock_any( m, 3, &out );
+
+  printf("new thread ret %i out %i!\n", ret, out );
+
+  sleep(5);
+  printf("new thread done sleeping!\n");
+
+  pthread_mutex_unlock( &m[out] );
+
+  return NULL;
+}
+
+
+int main(int ac, char**av)
+{
+  pthread_mutex_init (&m[0], NULL);
+  pthread_mutex_init (&m[1], NULL);
+  pthread_mutex_init (&m[2], NULL);
+
+  int out;
+
+  int ret = pthread_mutex_lock_any( m, 3, &out );
+
+  printf("main thread ret %i out %i!\n", ret, out );
+
+
+  pthread_t th;
+  if (pthread_create (&th, NULL, tf, NULL) != 0)
+  {
+    puts ("create failed");
+    return 1;
+  }
+
+  sleep(1);
+
+  ret = pthread_mutex_lock_any( m, 3, &out );
+
+  printf("main thread ret %i out %i!\n", ret, out );
+
+  sleep(1);
+
+  struct timespec timeoutTime;
+  clock_gettime(CLOCK_REALTIME, &timeoutTime);
+  timeoutTime.tv_sec += 1;
+
+  ret = pthread_mutex_timedlock_any( m, 3, &timeoutTime, &out );
+
+  printf("main thread ret %i out %i!\n", ret, out );
+
+  clock_gettime(CLOCK_REALTIME, &timeoutTime);
+  timeoutTime.tv_sec += 3;
+
+  ret = pthread_mutex_timedlock_any( m, 3, &timeoutTime, &out );
+
+  printf("main thread ret %i out %i!\n", ret, out );
+
+  pthread_mutex_unlock( &m[out] );
+  pthread_mutex_unlock( &m[0] );
+  pthread_mutex_unlock( &m[2] );
+
+  printf("DONE unlock!\n");
+
+  return 0;
+}