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print to stderr and introduce meson build script #15

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430c131
print to stderr
Prince781 Mar 5, 2020
22f8d79
Adding Meson build file
Prince781 Mar 7, 2020
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33 changes: 17 additions & 16 deletions gobject-list.c
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
* Philip Withnall <philip.withnall@collabora.co.uk>
*/
#include <glib-object.h>
#include <glib/gprintf.h>

/**
* In later versions of GLib, g_object_ref is defined as a macro to make the
Expand Down Expand Up @@ -133,7 +134,7 @@ display_filter (DisplayFlags flags)
}
#ifndef HAVE_LIBUNWIND
if (display_flags & DISPLAY_FLAG_BACKTRACE)
g_print ("Warning: backtrace is not available, it needs libunwind\n");
g_fprintf (stderr, "Warning: backtrace is not available, it needs libunwind\n");
#endif

parsed = TRUE;
Expand Down Expand Up @@ -176,12 +177,12 @@ print_trace (void)
result = unw_get_proc_name (&cursor, name, sizeof (name), &off);
if (result < 0 && result != -UNW_ENOMEM)
{
g_print ("Error getting frame: %s (%d)\n",
g_fprintf (stderr, "Error getting frame: %s (%d)\n",
unw_strerror (result), -result);
break;
}

g_print ("#%d %s + [0x%08x]\n", stack_num++, name, (unsigned int)off);
g_fprintf (stderr, "#%d %s + [0x%08x]\n", stack_num++, name, (unsigned int)off);
}
#endif
}
Expand All @@ -199,16 +200,16 @@ _dump_object_list (GHashTable *hash)
if (obj == NULL || obj->ref_count == 0)
continue;

g_print (" - %p, %s: %u refs\n",
g_fprintf (stderr, " - %p, %s: %u refs\n",
obj, G_OBJECT_TYPE_NAME (obj), obj->ref_count);
}
g_print ("%u objects\n", g_hash_table_size (hash));
g_fprintf (stderr, "%u objects\n", g_hash_table_size (hash));
}

static void
_sig_usr1_handler (G_GNUC_UNUSED int signal)
{
g_print ("Living Objects:\n");
g_fprintf (stderr, "Living Objects:\n");

G_LOCK (gobject_list);
_dump_object_list (gobject_list_state.objects);
Expand All @@ -223,28 +224,28 @@ _sig_usr2_handler (G_GNUC_UNUSED int signal)

G_LOCK (gobject_list);

g_print ("Added Objects:\n");
g_fprintf (stderr, "Added Objects:\n");
_dump_object_list (gobject_list_state.added);

g_print ("\nRemoved Objects:\n");
g_fprintf (stderr, "\nRemoved Objects:\n");
g_hash_table_iter_init (&iter, gobject_list_state.removed);
while (g_hash_table_iter_next (&iter, &obj, &type))
{
g_print (" - %p, %s\n", obj, (gchar *) type);
g_fprintf (stderr, " - %p, %s\n", obj, (gchar *) type);
}
g_print ("%u objects\n", g_hash_table_size (gobject_list_state.removed));
g_fprintf (stderr, "%u objects\n", g_hash_table_size (gobject_list_state.removed));

g_hash_table_remove_all (gobject_list_state.added);
g_hash_table_remove_all (gobject_list_state.removed);
g_print ("\nSaved new check point\n");
g_fprintf (stderr, "\nSaved new check point\n");

G_UNLOCK (gobject_list);
}

static void
print_still_alive (void)
{
g_print ("\nStill Alive:\n");
g_fprintf (stderr, "\nStill Alive:\n");

G_LOCK (gobject_list);
_dump_object_list (gobject_list_state.objects);
Expand Down Expand Up @@ -331,7 +332,7 @@ _object_finalized (G_GNUC_UNUSED gpointer data,
{
g_mutex_lock(&output_mutex);

g_print (" -- Finalized object %p, %s\n", obj, G_OBJECT_TYPE_NAME (obj));
g_fprintf (stderr, " -- Finalized object %p, %s\n", obj, G_OBJECT_TYPE_NAME (obj));
print_trace();

g_mutex_unlock(&output_mutex);
Expand Down Expand Up @@ -376,7 +377,7 @@ g_object_new (GType type,
{
g_mutex_lock(&output_mutex);

g_print (" ++ Created object %p, %s\n", obj, obj_name);
g_fprintf (stderr, " ++ Created object %p, %s\n", obj, obj_name);
print_trace();

g_mutex_unlock(&output_mutex);
Expand Down Expand Up @@ -428,7 +429,7 @@ g_object_ref (gpointer object)
{
g_mutex_lock(&output_mutex);

g_print (" + Reffed object %p, %s; ref_count: %d -> %d\n",
g_fprintf (stderr, " + Reffed object %p, %s; ref_count: %d -> %d\n",
obj, obj_name, ref_count, obj->ref_count);
print_trace();

Expand All @@ -453,7 +454,7 @@ g_object_unref (gpointer object)
{
g_mutex_lock(&output_mutex);

g_print (" - Unreffed object %p, %s; ref_count: %d -> %d\n",
g_fprintf (stderr, " - Unreffed object %p, %s; ref_count: %d -> %d\n",
obj, obj_name, obj->ref_count, obj->ref_count - 1);
print_trace();

Expand Down
31 changes: 31 additions & 0 deletions meson.build
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Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
project('gobject-list', 'c')

cc = meson.get_compiler('c')

c_args = cc.get_supported_arguments([
'-fPIC',
'-rdynamic',
'-g',
'-Wall',
'-Wextra',
])

libunwind_dep = dependency('libunwind', required: false)
libgobject_dep = dependency('gobject-2.0')
libc_dep = cc.find_library('c')
libdl_dep = cc.find_library('dl')

if libunwind_dep.found()
add_project_arguments(['-DHAVE_LIBUNWIND'], language: 'c')
endif

libgobject_list = library('gobject-list',
c_args: c_args,
sources: ['gobject-list.c'],
dependencies: [libunwind_dep, libgobject_dep, libc_dep, libdl_dep],
install: not meson.is_subproject(),
)

libgobject_list_dep = declare_dependency(
link_with: libgobject_list,
)