From c906108c21474dfb4ed285bcc0ac6fe02cd400cc Mon Sep 17 00:00:00 2001
From: Stan Shebs <shebs@codesourcery.com>
Date: Fri, 16 Apr 1999 01:35:26 +0000
Subject: Initial creation of sourceware repository

---
 gdb/testsuite/gdb.threads/step.c | 221 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 221 insertions(+)
 create mode 100644 gdb/testsuite/gdb.threads/step.c

(limited to 'gdb/testsuite/gdb.threads/step.c')

diff --git a/gdb/testsuite/gdb.threads/step.c b/gdb/testsuite/gdb.threads/step.c
new file mode 100644
index 0000000..1b18a4b
--- /dev/null
+++ b/gdb/testsuite/gdb.threads/step.c
@@ -0,0 +1,221 @@
+/*    step.c for step.exp    */
+#include <ipc.h>
+#include <pthread.h>
+#include <st.h>
+#include <signal.h>
+#include <stdio.h>
+
+void alarm_handler ();
+void alarm_handler1 ();
+void alarm_handler2 ();
+void thread1 ();
+void thread2 ();
+
+#define TIME_LIMIT 30
+
+
+int count1 = 0;
+int count2 = 0;
+
+pthread_t tid1, tid2;
+pthread_attr_t attr1, attr2;
+
+pthread_mutex_t mut;
+pthread_mutexattr_t mut_attr;
+
+pthread_condattr_t cv_attr_a, cv_attr_b;
+pthread_cond_t cv_a, cv_b;
+
+struct cv_struct
+  {
+    char a;
+    char b;
+  }
+test_struct;
+
+main ()
+{
+  /*init la struct */
+  test_struct.a = 0;
+  test_struct.b = 1;
+
+  /* create le mutex */
+  if (pthread_mutexattr_create (&mut_attr) == -1)
+    {
+      perror ("mutexattr_create");
+      exit (1);
+    }
+
+
+  if (pthread_mutex_init (&mut, mut_attr) == -1)
+    {
+      perror ("mutex_init");
+      exit (1);
+    }
+
+  /* create 2 cv */
+  if (pthread_condattr_create (&cv_attr_a) == -1)
+    {
+      perror ("condattr_create(1)");
+      exit (1);
+    }
+
+  if (pthread_cond_init (&cv_a, cv_attr_a) == -1)
+    {
+      perror ("cond_init(1)");
+      exit (1);
+    }
+
+  if (pthread_condattr_create (&cv_attr_b) == -1)
+    {
+      perror ("condattr_create(2)");
+      exit (1);
+    }
+
+  if (pthread_cond_init (&cv_b, cv_attr_b) == -1)
+    {
+      perror ("cond_init(2)");
+      exit (1);
+    }
+
+  /* create 2 threads of execution */
+  if (pthread_attr_create (&attr1) == -1)
+    {
+      perror ("attr_create(1)");
+      exit (1);
+    }
+
+  if (pthread_create (&tid1, attr1, thread1, &count1) == -1)
+    {
+      perror ("pthread_create(1)");
+      exit (1);
+    }
+
+  if (pthread_attr_create (&attr2) == -1)
+    {
+      perror ("attr_create(2)");
+      exit (1);
+    }
+
+  if (pthread_create (&tid2, attr2, thread2, &count2) == -1)
+    {
+      perror ("pthread_create(2)");
+      exit (1);
+    }
+
+  /* set alarm to print out data and exit */
+  signal (SIGALRM, alarm_handler);
+  alarm (TIME_LIMIT);
+
+  for (;;)
+    pause ();
+}
+
+void 
+thread1 (count)
+     int *count;
+{
+  tid_t tid;
+
+  tid = getstid ();
+  printf ("Thread1 tid 0x%x  (%d) \n", tid, tid);
+  printf ("Thread1 @tid=0x%x \n", &tid);
+  signal (SIGALRM, alarm_handler1);
+
+  for (;;)
+    {
+      if (pthread_mutex_lock (&mut) == -1)
+	{
+	  perror ("pthread_mutex_lock(1)");
+	  pthread_exit ((void *) 0);
+	}
+
+      while (test_struct.a == 0)
+	{
+	  if (pthread_cond_wait (&cv_a, &mut) == -1)
+	    {
+	      perror ("pthread_cond_wait(1)");
+	      pthread_exit ((void *) -1);
+	    }
+	}
+
+      (*count)++;
+      printf ("*******thread1 count %d\n", *count);
+
+      test_struct.a = 0;
+
+      test_struct.b = 1;
+      pthread_cond_signal (&cv_b);
+
+      if (pthread_mutex_unlock (&mut) == -1)
+	{
+	  perror ("pthread_mutex_unlock(1)");
+	  pthread_exit ((void *) -1);
+	}
+    }
+}
+
+void 
+thread2 (count)
+     int *count;
+{
+  tid_t tid;
+
+  tid = getstid ();
+  printf ("Thread2 tid 0x%x  (%d) \n", tid, tid);
+  printf ("Thread1 @tid=0x%x \n", &tid);
+  signal (SIGALRM, alarm_handler2);
+
+  for (;;)
+    {
+      if (pthread_mutex_lock (&mut) == -1)
+	{
+	  perror ("pthread_mutex_lock(2)");
+	  pthread_exit ((void *) 0);
+	}
+
+      while (test_struct.b == 0)
+	{
+	  if (pthread_cond_wait (&cv_b, &mut) == -1)
+	    {
+	      perror ("pthread_cond_wait(2)");
+	      pthread_exit ((void *) -1);
+	    }
+	}
+
+      (*count)++;
+      printf ("*******thread2 count %d\n", *count);
+
+      test_struct.b = 0;
+
+      test_struct.a = 1;
+      pthread_cond_signal (&cv_a);
+
+      if (pthread_mutex_unlock (&mut) == -1)
+	{
+	  perror ("pthread_mutex_unlock(2)");
+	  pthread_exit ((void *) -1);
+	}
+    }
+}
+
+
+void 
+alarm_handler ()
+{
+  printf ("\tcount1 (%d) \n\tcount2 (%d)\n", count1, count2);
+  exit (0);
+}
+
+void 
+alarm_handler1 ()
+{
+  printf ("ALARM thread 1\n");
+}
+
+void 
+alarm_handler2 ()
+{
+  printf ("ALARM thread 2\n");
+  pthread_exit ((void *) 0);
+}
-- 
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