diff options
Diffstat (limited to 'gdb/thread.c')
| -rw-r--r-- | gdb/thread.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gdb/thread.c b/gdb/thread.c index bceaf49..ac1d8a1 100644 --- a/gdb/thread.c +++ b/gdb/thread.c @@ -56,6 +56,13 @@ void _initialize_thread (void); struct thread_info *thread_list = NULL; static int highest_thread_num; +/* True if any thread is, or may be executing. We need to track this + separately because until we fully sync the thread list, we won't + know whether the target is fully stopped, even if we see stop + events for all known threads, because any of those threads may have + spawned new threads we haven't heard of yet. */ +static int threads_executing; + static void thread_command (char *tidstr, int from_tty); static void thread_apply_all_command (char *, int); static int thread_alive (struct thread_info *); @@ -167,6 +174,7 @@ init_thread_list (void) } thread_list = NULL; + threads_executing = 0; } /* Allocate a new thread with target id PTID and add it to the thread @@ -702,6 +710,22 @@ set_executing (ptid_t ptid, int executing) gdb_assert (tp); tp->executing = executing; } + + /* It only takes one running thread to spawn more threads.*/ + if (executing) + threads_executing = 1; + /* Only clear the flag if the caller is telling us everything is + stopped. */ + else if (ptid_equal (minus_one_ptid, ptid)) + threads_executing = 0; +} + +/* See gdbthread.h. */ + +int +threads_are_executing (void) +{ + return threads_executing; } void @@ -1501,11 +1525,31 @@ gdb_thread_select (struct ui_out *uiout, char *tidstr, char **error_message) return GDB_RC_OK; } +/* Update the 'threads_executing' global based on the threads we know + about right now. */ + +static void +update_threads_executing (void) +{ + struct thread_info *tp; + + threads_executing = 0; + ALL_NON_EXITED_THREADS (tp) + { + if (tp->executing) + { + threads_executing = 1; + break; + } + } +} + void update_thread_list (void) { prune_threads (); target_find_new_threads (); + update_threads_executing (); } /* Return a new value for the selected thread's id. Return a value of 0 if |