2004-04-22 Jeff Johnston <jjohnstn@redhat.com>

            Daniel Jacobowitz  <drow@mvista.com>

        * gdb.threads/manythreads.c: New testcase.
        * gdb.threads/manythreads.exp: Ditto.

2 files changed, 167 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.threads/manythreads.c b/gdb/testsuite/gdb.threads/manythreads.c
new file mode 100644
index 0000000..c874b15
--- /dev/null
+++ b/gdb/testsuite/gdb.threads/manythreads.c
@@ -0,0 +1,42 @@
+#include <pthread.h>
+#include <stdio.h>
+
+void *
+thread_function (void *arg)
+{
+  int x = (int)arg;
+
+  printf ("Thread <%d> executing\n", x);
+
+  return NULL;
+}
+
+int 
+main (int argc, char **argv)
+{
+  pthread_attr_t attr;
+  pthread_t threads[256];
+  int i, j;
+
+  pthread_attr_init (&attr);
+
+  /* Create a ton of quick-executing threads, then wait for them to
+     complete.  */
+  for (i = 0; i < 1000; ++i) 
+    {
+      for (j = 0; j < 256; ++j)
+	{
+	  pthread_create (&threads[j], &attr, thread_function, 
+			  (void *)(i * 1000 + j));
+	}
+
+      for (j = 0; j < 256; ++j)
+	{
+	  pthread_join (threads[j], NULL);
+	}
+    }
+
+  pthread_attr_destroy (&attr);
+
+  return 0;
+}
diff --git a/gdb/testsuite/gdb.threads/manythreads.exp b/gdb/testsuite/gdb.threads/manythreads.exp
new file mode 100644
index 0000000..dcedd7f
--- /dev/null
+++ b/gdb/testsuite/gdb.threads/manythreads.exp
@@ -0,0 +1,125 @@
+# manythreads.exp -- Expect script to test stopping many threads
+# Copyright (C) 2004 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program 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 General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@prep.ai.mit.edu
+
+# This file was written by Jeff Johnston. (jjohnstn@redhat.com)
+
+if $tracelevel then {
+	strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+set testfile "manythreads"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
+    return -1
+}
+
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+gdb_test "set print sevenbit-strings" ""
+runto_main
+
+# We'll need this when we send_gdb a ^C to GDB.  Need to do it before we
+# run the program and gdb starts saving and restoring tty states.
+# On Ultrix, we don't need it and it is really slow (because shell_escape
+# doesn't use vfork).
+if ![istarget "*-*-ultrix*"] then {
+    gdb_test "shell stty intr '^C'" ""
+}
+
+set message "first continue"
+gdb_test_multiple "continue" "first continue" {
+  -re "error:.*$gdb_prompt $" {
+    fail "$message"
+  }
+  -re "Continuing" {
+    pass "$message"
+  }
+}
+
+# Send a Ctrl-C and verify that we can do info threads and continue
+after 1000 {send_gdb "\003"}
+set message "stop threads 1"
+gdb_test_multiple "" "stop threads 1" {
+  -re "\\\[New \[^\]\]*\\\]\r\n" {
+    exp_continue
+  }
+  -re "\\\[\[^\]\]* exited\\\]\r\n" {
+    exp_continue
+  }
+  -re "Thread \[^\n\]* executing\r\n" {
+    exp_continue
+  }
+  -re "Program received signal SIGINT.*$gdb_prompt $" {
+    pass "$message"
+  }
+  timeout {
+    fail "$message (timeout)"
+  }
+}
+
+gdb_test "info threads" ".*1 Thread.*.LWP.*"
+
+set message "second continue"
+gdb_test_multiple "continue" "second continue" {
+  -re "error:.*$gdb_prompt $" {
+    fail "$message"
+  }
+  -re "Continuing" {
+    pass "$message"
+  }
+}
+
+# Send another Ctrl-C and verify that we can do info threads and quit
+after 1000 {send_gdb "\003"}
+set message "stop threads 2"
+gdb_test_multiple "" "stop threads 2" {
+  -re "\\\[New \[^\]\]*\\\]\r\n" {
+    exp_continue
+  }
+  -re "\\\[\[^\]\]* exited\\\]\r\n" {
+    exp_continue
+  }
+  -re "Thread \[^\n\]* executing\r\n" {
+    exp_continue
+  }
+  -re "Program received signal SIGINT.*$gdb_prompt $" {
+    pass "stop threads 2"
+  }
+} 
+
+gdb_test_multiple "quit" "GDB exits after stopping multithreaded program" {
+    -re "The program is running.  Exit anyway\\? \\(y or n\\) $" {
+	send_gdb "y\n"
+	exp_continue
+    }
+    eof {
+        pass "GDB exits after stopping multithreaded program"
+    }
+    timeout {
+        fail "GDB exits after stopping multithreaded program (timeout)"
+    }
+}
+