Revision: 1569 http://geany-plugins.svn.sourceforge.net/geany-plugins/?rev=1569&view=re... Author: dmaphy Date: 2010-09-12 19:02:40 +0000 (Sun, 12 Sep 2010)
Log Message: ----------- send commands directly to GDB, buffer them only, if the sending to GDB failed. This should fix some issues where binaries may not be loaded or loading caused high cpu usage
Modified Paths: -------------- trunk/geany-plugins/geanygdb/src/gdb-io-run.c
Modified: trunk/geany-plugins/geanygdb/src/gdb-io-run.c =================================================================== --- trunk/geany-plugins/geanygdb/src/gdb-io-run.c 2010-09-09 16:19:56 UTC (rev 1568) +++ trunk/geany-plugins/geanygdb/src/gdb-io-run.c 2010-09-12 19:02:40 UTC (rev 1569) @@ -57,6 +57,9 @@ static gint process_token = 0;
+static void send_to_gdb(const gchar *data); + + /* Hash table to associate a "tokenized" GDB command with a function call. This stores a list of key-value pairs where the unique sequence-number @@ -82,6 +85,7 @@ gdbio_send_seq_cmd(ResponseHandler func, const gchar * fmt, ...) { va_list args; + GString *data; if (!gdbio_pid) { return 0; @@ -99,10 +103,13 @@ sequencer = g_hash_table_new(g_direct_hash, g_direct_equal); } g_hash_table_insert(sequencer, GINT_TO_POINTER(sequence), func); - g_string_append_printf(&send_buf, "%d", sequence); + data = g_string_sized_new(128); + g_string_append_printf(data, "%d", sequence); va_start(args, fmt); - g_string_append_vprintf(&send_buf, fmt, args); + g_string_append_vprintf(data, fmt, args); va_end(args); + send_to_gdb(data->str); + g_string_free(data, TRUE); return sequence; }
@@ -230,13 +237,17 @@ gdbio_send_cmd(const gchar * fmt, ...) { va_list args; + gchar *data; if (!gdbio_pid) { return; } va_start(args, fmt); - g_string_append_vprintf(&send_buf, fmt, args); + data = g_strdup_vprintf(fmt, args); va_end(args); + + send_to_gdb(data); + g_free(data); }
@@ -424,7 +435,6 @@ g_spawn_close_pid(pid);
- g_source_remove(gdbio_id_in); shutdown_channel(&gdbio_ch_in);
g_source_remove(gdbio_id_out); @@ -450,11 +460,13 @@
static gboolean -on_send_to_gdb(GIOChannel * src, GIOCondition cond, gpointer data) +on_send_to_gdb(gpointer data) { GIOStatus st; GError *err = NULL; gsize count; + GIOChannel *src = gdbio_ch_in; + if (send_buf.len) { while (send_buf.len) @@ -472,12 +484,52 @@ gerror("Error pushing command", &err); gdbio_wait(10); } - do_loop(); - return TRUE; + return (send_buf.len > 0); }
+static void +delay_send_to_gdb(const gchar *data) +{ + g_string_append(&send_buf, data); + g_idle_add(on_send_to_gdb, NULL); +} + + + +static void +send_to_gdb(const gchar *data) +{ + GIOStatus st; + GError *err = NULL; + gsize count; + GIOChannel *src = gdbio_ch_in; + GString *text = g_string_new(data); + + if (text->len) + { + while (text->len) + { + st = g_io_channel_write_chars(src, text->str, text->len, &count, + &err); + g_string_erase(text, 0, count); + if (err || (st == G_IO_STATUS_ERROR) || (st == G_IO_STATUS_EOF)) + { + gerror("Error sending command", &err); + /* puffer string for later retry */ + delay_send_to_gdb(text->str); + break; + } + } + st = g_io_channel_flush(src, &err); + gerror("Error pushing command", &err); + } + g_string_free(text, TRUE); +} + + + void gdbio_target_exited(gchar * reason) { @@ -752,7 +804,6 @@ gerror("Error setting encoding", &err); g_io_channel_set_buffered(gdbio_ch_out, FALSE);
- gdbio_id_in = g_io_add_watch(gdbio_ch_in, G_IO_OUT, on_send_to_gdb, NULL); gdbio_id_out = g_io_add_watch(gdbio_ch_out, G_IO_IN, on_read_from_gdb, NULL);
gdbio_send_cmd("-gdb-set width 0\n-gdb-set height 0\n");
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