- update to 6.8.91.20090930-1 from fedora

[packages/gdb.git] / gdb-6.3-mapping-zero-inode-test.patch

diff --git a/gdb-6.3-mapping-zero-inode-test.patch b/gdb-6.3-mapping-zero-inode-test.patch
index 8b4a8c8a8be0e5f689b36ffd85a3a818c656e69c..73d24464c15f759a9da77de1f55bb024e32b4ed3 100644 (file)
--- a/gdb-6.3-mapping-zero-inode-test.patch
+++ b/gdb-6.3-mapping-zero-inode-test.patch
@@ -1,7 +1,9 @@
---- /dev/null  2008-05-02 23:36:22.370004160 +0200
-+++ gdb-6.8/gdb/testsuite/gdb.base/gcore-shmid0.exp    2008-05-03 22:36:56.000000000 +0200
-@@ -0,0 +1,120 @@
-+# Copyright 2007 Free Software Foundation, Inc.
+Index: gdb-6.8.50.20090302/gdb/testsuite/gdb.base/gcore-shmid0.exp
+===================================================================
+--- /dev/null  1970-01-01 00:00:00.000000000 +0000
++++ gdb-6.8.50.20090302/gdb/testsuite/gdb.base/gcore-shmid0.exp        2009-06-29 16:24:36.000000000 +0200
+@@ -0,0 +1,96 @@
++# Copyright 2007, 2009 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
@@ -17,43 +19,22 @@
 +# 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
-+
 +# Test GDB's handling of gcore for mapping with a name but zero inode.
 +
-+set testfile "gcore-shmid0"
-+set srcfile  ${testfile}.c
-+set binfile  ${objdir}/${subdir}/${testfile}
-+
-+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
-+     untested gcore.exp
-+     return -1
++if { [prepare_for_testing gcore-shmid0.exp gcore-shmid0] } {
++    return -1
 +}
 +
-+# Start with a fresh gdb.
-+
-+gdb_exit
-+gdb_start
-+gdb_reinitialize_dir $srcdir/$subdir
-+gdb_load ${binfile}
-+
 +# Does this gdb support gcore?
-+send_gdb "help gcore\n"
-+gdb_expect {
++set test "help gcore"
++gdb_test_multiple $test $test {
 +    -re "Undefined command: .gcore.*$gdb_prompt $" {
 +      # gcore command not supported -- nothing to test here.
 +      unsupported "gdb does not support gcore on this target"
 +      return -1;
 +    }
 +    -re "Save a core file .*$gdb_prompt $" {
-+      pass "help gcore"
-+    }
-+    -re ".*$gdb_prompt $" {
-+      fail "help gcore"
-+    }
-+    timeout {
-+      fail "help gcore (timeout)"
++      pass $test
 +    }
 +}
 +
@@ -86,9 +67,6 @@
 +    -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
 +      unsupported $test
 +    }
-+    eof {
-+      fail $test
-+    }
 +}
 +
 +# Be sure to remove the handle first.
@@ -121,10 +99,12 @@
 +      fail $test
 +    }
 +}
---- /dev/null  2008-05-02 23:36:22.370004160 +0200
-+++ gdb-6.8/gdb/testsuite/gdb.base/gcore-shmid0.c      2008-05-03 22:39:10.000000000 +0200
-@@ -0,0 +1,95 @@
-+/* Copyright 2007 Free Software Foundation, Inc.
+Index: gdb-6.8.50.20090302/gdb/testsuite/gdb.base/gcore-shmid0.c
+===================================================================
+--- /dev/null  1970-01-01 00:00:00.000000000 +0000
++++ gdb-6.8.50.20090302/gdb/testsuite/gdb.base/gcore-shmid0.c  2009-06-29 16:22:49.000000000 +0200
+@@ -0,0 +1,123 @@
++/* Copyright 2007, 2009 Free Software Foundation, Inc.
 +
 +   This file is part of GDB.
 +
@@ -155,7 +135,10 @@
 +#include <unistd.h>
 +#include <assert.h>
 +
-+/* We need a backtrace through the stack.  */
++/* The same test running in a parallel testsuite may steal us the zero SID,
++   even if we never get any EEXIST.  Just try a while.  */
++
++#define TIMEOUT_SEC 10
 +
 +static void
 +initialized (void)
@@ -172,19 +155,41 @@
 +{
 +  int sid;
 +  unsigned int *addr = (void *) -1L;
-+  int try;
++  int attempt, round = 0;
++  time_t ts_start, ts;
 +
-+  /* The generated SID will cycle with an increment of 32768, try until it
++  if (time (&ts_start) == (time_t) -1)
++    {
++      printf ("time (): %m\n");
++      exit (1);
++    }
++
++  /* The generated SID will cycle with an increment of 32768, attempt until it
 +   * wraps to 0.  */
 +
-+  for (try = 0; addr == (void *) -1L; try++)
++  for (attempt = 0; addr == (void *) -1L; attempt++)
 +    {
-+      /* At least kernel-2.6.25-8.fc9.x86_64 just never returns the value 0 by
-+         shmget(2).  */
-+      if (try > 0x10000)
++      /* kernel-2.6.25-8.fc9.x86_64 just never returns the value 0 by
++       shmget(2).  shmget returns SID range 0..1<<31 in steps of 32768,
++       0x1000 should be enough but wrap the range it to be sure.  */
++
++      if (attempt > 0x21000)
 +        {
-+        printf ("Problem no longer reproducible on this kernel (try %d)\n",
-+                try);
++        if (time (&ts) == (time_t) -1)
++          {
++            printf ("time (): %m\n");
++            exit (1);
++          }
++
++        if (ts >= ts_start && ts < ts_start + TIMEOUT_SEC)
++          {
++            attempt = 0;
++            round++;
++            continue;
++          }
++
++        printf ("Problem is not reproducible on this kernel (attempt %d, "
++                "round %d))\n", attempt, round);
 +        unresolved ();
 +        exit (1);
 +      }
@@ -192,6 +197,9 @@
 +      sid = shmget ((key_t) rand (), 0x1000, IPC_CREAT | IPC_EXCL | 0777);
 +      if (sid == -1)
 +      {
++        if (errno == EEXIST)
++          continue;
++
 +        printf ("shmget (%d, 0x1000, IPC_CREAT): errno %d\n", 0, errno);
 +        exit (1);
 +      }