From e6ad66bd097f17ec32c03462dd65b7f833fd49ab Mon Sep 17 00:00:00 2001 From: Jon Turney Date: Tue, 14 Apr 2015 19:28:44 +0100 Subject: [PATCH] windows-nat: Cleanups in get_windows_debug_event gdb/ChangeLog: 2015-04-16 Jon Turney * windows-nat.c (get_windows_debug_event): Replace retval with thread_id throughout. Update stale comment. --- gdb/ChangeLog | 5 +++++ gdb/windows-nat.c | 30 +++++++++++++++--------------- 2 files changed, 20 insertions(+), 15 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 7e25c19a477..1ea002c426b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2015-04-16 Jon Turney + + * windows-nat.c (get_windows_debug_event): Replace retval with + thread_id throughout. Update stale comment. + 2015-04-16 Jon Turney * windows-nat.c (get_windows_debug_event): Don't use ternary diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c index dea4368729e..4b08d4d4e90 100644 --- a/gdb/windows-nat.c +++ b/gdb/windows-nat.c @@ -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. */ -- 2.30.2