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windows-nat: Cleanups in get_windows_debug_event 

gdb/ChangeLog:

2015-04-16  Jon Turney  <jon.turney@dronecode.org.uk>

	* windows-nat.c (get_windows_debug_event): Replace retval with
	thread_id throughout.  Update stale comment.
This commit is contained in:
Jon Turney 2015-04-14 19:28:44 +01:00
parent 776704b917
commit e6ad66bd09
2 changed files with 20 additions and 15 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2015-04-16 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (get_windows_debug_event): Replace retval with
thread_id throughout. Update stale comment.
2015-04-16 Jon Turney <jon.turney@dronecode.org.uk>
* windows-nat.c (get_windows_debug_event): Don't use ternary

30
gdb/windows-nat.c
View File

@ -1307,8 +1307,8 @@ ctrl_c_handler (DWORD event_type)
return TRUE;
}
/* Get the next event from the child. Return 1 if the event requires
handling by WFI (or whatever). */
/* Get the next event from the child. Returns a non-zero thread id if the event
requires handling by WFI (or whatever). */
static int
get_windows_debug_event (struct target_ops *ops,
int pid, struct target_waitstatus *ourstatus)
@ -1317,7 +1317,7 @@ get_windows_debug_event (struct target_ops *ops,
DWORD continue_status, event_code;
windows_thread_info *th;
static windows_thread_info dummy_thread_info;
int retval = 0;
DWORD thread_id = 0;
last_sig = GDB_SIGNAL_0;
@ -1348,14 +1348,14 @@ get_windows_debug_event (struct target_ops *ops,
/* Kludge around a Windows bug where first event is a create
thread event. Caused when attached process does not have
a main thread. */
retval = fake_create_process ();
if (retval)
thread_id = fake_create_process ();
if (thread_id)
saw_create++;
}
break;
}
/* Record the existence of this thread. */
retval = current_event.dwThreadId;
thread_id = current_event.dwThreadId;
th = windows_add_thread (ptid_build (current_event.dwProcessId, 0,
current_event.dwThreadId),
current_event.u.CreateThread.hThread,
@ -1398,7 +1398,7 @@ get_windows_debug_event (struct target_ops *ops,
current_event.dwThreadId),
current_event.u.CreateProcessInfo.hThread,
current_event.u.CreateProcessInfo.lpThreadLocalBase);
retval = current_event.dwThreadId;
thread_id = current_event.dwThreadId;
break;
case EXIT_PROCESS_DEBUG_EVENT:
@ -1417,7 +1417,7 @@ get_windows_debug_event (struct target_ops *ops,
{
ourstatus->kind = TARGET_WAITKIND_EXITED;
ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode;
retval = main_thread_id;
thread_id = main_thread_id;
}
break;
@ -1432,7 +1432,7 @@ get_windows_debug_event (struct target_ops *ops,
catch_errors (handle_load_dll, NULL, (char *) "", RETURN_MASK_ALL);
ourstatus->kind = TARGET_WAITKIND_LOADED;
ourstatus->value.integer = 0;
retval = main_thread_id;
thread_id = main_thread_id;
break;
case UNLOAD_DLL_DEBUG_EVENT:
@ -1445,7 +1445,7 @@ get_windows_debug_event (struct target_ops *ops,
catch_errors (handle_unload_dll, NULL, (char *) "", RETURN_MASK_ALL);
ourstatus->kind = TARGET_WAITKIND_LOADED;
ourstatus->value.integer = 0;
retval = main_thread_id;
thread_id = main_thread_id;
break;
case EXCEPTION_DEBUG_EVENT:
@ -1461,7 +1461,7 @@ get_windows_debug_event (struct target_ops *ops,
continue_status = DBG_EXCEPTION_NOT_HANDLED;
break;
case 1:
retval = current_event.dwThreadId;
thread_id = current_event.dwThreadId;
break;
case -1:
last_sig = 1;
@ -1477,7 +1477,7 @@ get_windows_debug_event (struct target_ops *ops,
"OUTPUT_DEBUG_STRING_EVENT"));
if (saw_create != 1)
break;
retval = handle_output_debug_string (ourstatus);
thread_id = handle_output_debug_string (ourstatus);
break;
default:
@ -1491,7 +1491,7 @@ get_windows_debug_event (struct target_ops *ops,
break;
}
if (!retval || saw_create != 1)
if (!thread_id || saw_create != 1)
{
if (continue_status == -1)
windows_resume (ops, minus_one_ptid, 0, 1);
@ -1501,14 +1501,14 @@ get_windows_debug_event (struct target_ops *ops,
else
{
inferior_ptid = ptid_build (current_event.dwProcessId, 0,
retval);
thread_id);
current_thread = th;
if (!current_thread)
current_thread = thread_rec (current_event.dwThreadId, TRUE);
}
out:
return retval;
return thread_id;
}
/* Wait for interesting events to occur in the target process. */