[RFA record/replay branch] Eliminate a global variable

[Michael Snyder]

Thanks, committing now.

Good thing, too, because that global doesn't exist any more in HEAD.
;-)

teawater wrote:
> Looks good. Please check it in.
> 
> Thanks,
> Hui
> 
> On Fri, Oct 3, 2008 at 08:16, Michael Snyder <msnyder@vmware.com> wrote:
>> Seems like we can use target_can_async_p() here
>> instead of relying on a global variable.
>>
>>
>> 2008-10-02  Michael Snyder  <msnyder@vmware.com>
>>
>>        * record.c (record_open): Call target_can_async_p() instead
>>        of relying on a global variable.
>>        * record.h (record_linux_async_permitted): Delete.
>>        * linux-nat.h (record_linux_async_permitted): Delete reference.
>>
>> Index: record.c
>> ===================================================================
>> RCS file: /cvs/src/src/gdb/Attic/record.c,v
>> retrieving revision 1.1.2.14
>> diff -u -p -r1.1.2.14 record.c
>> --- record.c    22 Sep 2008 17:43:11 -0000      1.1.2.14
>> +++ record.c    3 Oct 2008 00:12:38 -0000
>> @@ -48,7 +48,6 @@ static int record_insn_num = 0;
>>  struct target_ops record_ops;
>>  int record_resume_step = 0;
>>  enum exec_direction_kind record_execdir = EXEC_FORWARD;
>> -int record_linux_async_permitted = 0;
>>  static int record_get_sig = 0;
>>  static sigset_t record_maskall;
>>  static int record_not_record = 0;
>> @@ -423,7 +422,7 @@ record_open (char *name, int from_tty)
>>     {
>>       error (_("Record: record target can't debug inferior in non-stop mode
>> (non-stop)."));
>>     }
>> -  if (record_linux_async_permitted)
>> +  if (target_can_async_p ())
>>     {
>>       error (_("Record: record target can't debug the GNU/Linux inferior in
>> asynchronous mode (linux-async)."));
>>     }
>> Index: record.h
>> ===================================================================
>> RCS file: /cvs/src/src/gdb/Attic/record.h,v
>> retrieving revision 1.1.2.4
>> diff -u -p -r1.1.2.4 record.h
>> --- record.h    2 Sep 2008 09:18:28 -0000       1.1.2.4
>> +++ record.h    3 Oct 2008 00:12:38 -0000
>> @@ -77,7 +77,6 @@ extern struct target_ops record_ops;
>>  extern int record_resume_step;
>>  extern int record_regcache_raw_write_regnum;
>>  extern enum exec_direction_kind record_execdir;
>> -extern int record_linux_async_permitted;
>>
>>  extern int record_arch_list_add_reg (int num);
>>  extern int record_arch_list_add_mem (CORE_ADDR addr, int len);
>> Index: linux-nat.c
>> ===================================================================
>> RCS file: /cvs/src/src/gdb/linux-nat.c,v
>> retrieving revision 1.94.2.3
>> diff -u -p -r1.94.2.3 linux-nat.c
>> --- linux-nat.c 2 Sep 2008 09:18:28 -0000       1.94.2.3
>> +++ linux-nat.c 3 Oct 2008 00:12:38 -0000
>> @@ -4126,7 +4126,6 @@ set_maintenance_linux_async_permitted (c
>>     }
>>
>>   linux_async_permitted = linux_async_permitted_1;
>> -  record_linux_async_permitted = linux_async_permitted;
>>   linux_nat_set_async_mode (linux_async_permitted);
>>  }
>>
>>
>>