Exemple #1
0
gboolean
arv_make_thread_high_priority (int nice_level)
{
	GDBusConnection *bus;
	GError *error = NULL;

	bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
	if (error != NULL) {
		arv_warning_misc ("Failed to connect to system bus: %s", error->message);
		g_error_free (error);
		return FALSE;
	}

	arv_rtkit_make_high_priority (bus, _gettid(), nice_level, &error);
	g_object_unref (bus);

	if (error != NULL) {
		arv_warning_misc ("Failed to connect high priority: %s", error->message);
		g_error_free (error);
		return FALSE;
	}

	arv_debug_misc ("Nice level successfully changed to %d", nice_level);

	return TRUE;
}
Exemple #2
0
static void
arv_zip_build_file_list (ArvZip *zip)
{
        ArvZipFile *zip_file;
        const void *ptr;
        ptrdiff_t offset;
        int i;

        offset = zip->directory_offset;

	for (i = 0; i < zip->n_files; i++) {
		ptr = zip->buffer + zip->header_size + offset;
		if (GUINT32_FROM_LE_PTR (ptr) != 0x02014b50) return;

		zip_file = g_new0 (ArvZipFile, 1);
                zip_file->compressed_size = GUINT32_FROM_LE_PTR (ptr + 20);
                zip_file->uncompressed_size = GUINT32_FROM_LE_PTR (ptr + 24);
                zip_file->offset = GUINT32_FROM_LE_PTR (ptr + 42);
		zip_file->name = g_strndup ((char *) (ptr + 46), GUINT16_FROM_LE_PTR (ptr + 28));

		arv_debug_misc ("[Zip::list_files] %s", zip_file->name);

		zip->files = g_slist_prepend (zip->files, zip_file);

                offset += 0x2e +
			GUINT16_FROM_LE_PTR (ptr + 28) + /* filename size */
			GUINT16_FROM_LE_PTR (ptr + 30) + /* extra field */
			GUINT16_FROM_LE_PTR (ptr + 32);  /* file comment */
	}
}
Exemple #3
0
gboolean
arv_make_thread_realtime (int priority)
{
	arv_debug_misc ("SCHED API not supported on OSX");

	return FALSE;
}
Exemple #4
0
static ptrdiff_t
arv_zip_get_file_data (ArvZip *zip, ArvZipFile *zip_file)
{
        const void *ptr;

	ptr = zip->buffer + zip_file->offset + zip->header_size;

        if (ARV_GUINT32_FROM_LE_PTR (ptr, 0) != 0x04034b50) {
		arv_debug_misc ("[Zip::get_file_data] Magic number for file header not found (0x04034b50)");
	       	return -1;
	}

	return zip_file->offset + zip->header_size +
		ARV_GUINT16_FROM_LE_PTR (ptr, 26) +
		ARV_GUINT16_FROM_LE_PTR (ptr, 28) + 30;
}
Exemple #5
0
gboolean
arv_make_thread_realtime (int priority)
{
	struct sched_param p;

	memset(&p, 0, sizeof(p));
	p.sched_priority = priority;

	if (sched_setscheduler(_gettid (), SCHED_RR|SCHED_RESET_ON_FORK, &p) < 0
	    && errno == EPERM) {
		struct rlimit rlim;
		GDBusConnection *bus;
		GError *error = NULL;

		memset(&rlim, 0, sizeof(rlim));
		rlim.rlim_cur = rlim.rlim_max = 100000000ULL; /* 100ms */
		if ((setrlimit(RLIMIT_RTTIME, &rlim) < 0)) {
			arv_warning_misc ("Failed to set RLIMIT_RTTIME: %s", strerror (errno));
			return FALSE;
		}

		bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
		if (error != NULL) {
			arv_warning_misc ("Failed to connect to system bus: %s", error->message);
			g_error_free (error);
			return FALSE;
		}

		arv_rtkit_make_realtime(bus, _gettid (), p.sched_priority, &error);
		g_object_unref (bus);

		if (error != NULL) {
			arv_warning_misc ("Failed to connect make realtime: %s", error->message);
			g_error_free (error);
			return FALSE;
		}

		arv_debug_misc ("Thread became realtime with priority %d", priority);

		return TRUE;
	}

	return TRUE;
}