diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/gdbserver/ChangeLog | 8 | ||||
| -rw-r--r-- | gdb/gdbserver/event-loop.c | 34 |
2 files changed, 20 insertions, 22 deletions
diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog index fb96a39..6917e68 100644 --- a/gdb/gdbserver/ChangeLog +++ b/gdb/gdbserver/ChangeLog @@ -1,3 +1,11 @@ +2018-06-09 Tom Tromey <tom@tromey.com> + + * event-loop.c (gdb_event, gdb_event_p): Remove typedefs. Don't + declare queue. + (event_queue): Use std::queue. + (gdb_event_xfree): Remove. + (initialize_event_loop, process_event, wait_for_event): Update. + 2018-06-08 Stan Cox <scox@redhat.com> * win32-low.c (win32_create_inferior): last_ptid and last_status diff --git a/gdb/gdbserver/event-loop.c b/gdb/gdbserver/event-loop.c index eec0bcf..a3310a0 100644 --- a/gdb/gdbserver/event-loop.c +++ b/gdb/gdbserver/event-loop.c @@ -19,7 +19,6 @@ /* Based on src/gdb/event-loop.c. */ #include "server.h" -#include "queue.h" #include <sys/types.h> #include "gdb_sys_time.h" @@ -30,8 +29,8 @@ #endif #include <unistd.h> +#include <queue> -typedef struct gdb_event gdb_event; typedef int (event_handler_func) (gdb_fildes_t); /* Tell create_file_handler what events we are interested in. */ @@ -40,8 +39,7 @@ typedef int (event_handler_func) (gdb_fildes_t); #define GDB_WRITABLE (1<<2) #define GDB_EXCEPTION (1<<3) -/* Events are queued by calling 'QUEUE_enque (gdb_event_p, event_queue, - file_event_ptr)' and serviced later +/* Events are queued by on the event_queue and serviced later on by do_one_event. An event can be, for instance, a file descriptor becoming ready to be read. Servicing an event simply means that the procedure PROC will be called. We have 2 queues, @@ -52,14 +50,14 @@ typedef int (event_handler_func) (gdb_fildes_t); descriptor whose state change generated the event, plus doing other cleanups and such. */ -typedef struct gdb_event +struct gdb_event { /* Procedure to call to service this event. */ event_handler_func *proc; /* File descriptor that is ready. */ gdb_fildes_t fd; - } *gdb_event_p; + }; /* Information about each file descriptor we register with the event loop. */ @@ -89,9 +87,9 @@ typedef struct file_handler } file_handler; -DECLARE_QUEUE_P(gdb_event_p); -static QUEUE(gdb_event_p) *event_queue = NULL; -DEFINE_QUEUE_P(gdb_event_p); +typedef gdb::unique_xmalloc_ptr<gdb_event> gdb_event_up; + +static std::queue<gdb_event_up, std::list<gdb_event_up>> event_queue; /* Gdb_notifier is just a list of file descriptors gdb is interested in. These are the input file descriptor, and the target file @@ -146,18 +144,9 @@ static struct } callback_list; -/* Free EVENT. */ - -static void -gdb_event_xfree (struct gdb_event *event) -{ - xfree (event); -} - void initialize_event_loop (void) { - event_queue = QUEUE_alloc (gdb_event_p, gdb_event_xfree); } /* Process one event. If an event was processed, 1 is returned @@ -173,13 +162,14 @@ process_event (void) proc function could end up jumping out to the caller of this function. In that case, we would have on the event queue an event which has been processed, but not deleted. */ - if (!QUEUE_is_empty (gdb_event_p, event_queue)) + if (!event_queue.empty ()) { - gdb_event *event_ptr = QUEUE_deque (gdb_event_p, event_queue); + gdb_event_up event_ptr = std::move (event_queue.front ()); + event_queue.pop (); + event_handler_func *proc = event_ptr->proc; gdb_fildes_t fd = event_ptr->fd; - gdb_event_xfree (event_ptr); /* Now call the procedure associated with the event. */ if ((*proc) (fd)) return -1; @@ -522,7 +512,7 @@ wait_for_event (void) { gdb_event *file_event_ptr = create_file_event (file_ptr->fd); - QUEUE_enque (gdb_event_p, event_queue, file_event_ptr); + event_queue.emplace (file_event_ptr); } file_ptr->ready_mask = mask; } |