On Tue, Oct 25, 2016 at 11:44:36PM +0300, Marius Vlad wrote:
> +int
> +igt_pkill(int sig, const char *comm)
> +{
> + int err = 0;
> + PROCTAB *proc;
> + proc_t *proc_info;
> +
> + proc = openproc(PROC_FILLCOM | PROC_FILLSTAT | PROC_FILLARG);
> + igt_assert(proc != NULL);
> +
> + while ((proc_info = readproc(proc, NULL))) {
> + if (!strncasecmp(proc_info->cmd, comm, sizeof(proc_info->cmd)))
> {
> +
> + if (kill(proc_info->tid, sig) < 0)
> + err = -1;
err = -errno;
(we like to keep kernel conventions where nicely applicable)
> +
> + freeproc(proc_info);
> + break;
> + }
> + freeproc(proc_info);
> + }
> +
> + closeproc(proc);
> + return err;
> +}
> +int
bool
> +igt_kmod_is_loaded(const char *mod_name)
> +{
> + struct kmod_list *mod, *list;
> + struct kmod_ctx *ctx;
> + int ret = 0;
> +
> + ctx = kmod_new(NULL, NULL);
> + igt_assert(ctx != NULL);
> +
> + if (kmod_module_new_from_loaded(ctx, &list) < 0) {
> + kmod_unref(ctx);
> + return -1;
Too confusing! :)
if (kmod_module_new_from_loaded(ctx, &list) < 0)
goto out;
> + }
> +
> + kmod_list_foreach(mod, list) {
> + struct kmod_module *kmod = kmod_module_get_module(mod);
> + const char *kmod_name = kmod_module_get_name(kmod);
> +
> + if (!strncasecmp(kmod_name, mod_name, strlen(kmod_name))) {
strncasecmp? So what happens if we load i915 and I915_bpo ?
> + kmod_module_unref(kmod);
> + ret = 1;
> + break;
> + }
> + kmod_module_unref(kmod);
> + }
> +
> + kmod_module_unref_list(list);
out:
> + kmod_unref(ctx);
> +
> + return ret;
> +}
> +int
> +igt_kmod_load(const char *mod_name, const char *opts)
> +{
> + struct kmod_ctx *ctx;
> + struct kmod_module *kmod;
> + int err = 0;
> +
> + ctx = kmod_new(NULL, NULL);
> + igt_assert(ctx != NULL);
> +
> +
> + err = kmod_module_new_from_name(ctx, mod_name, &kmod);
> + if (err < 0) {
> + goto out;
> + }
> +
> + err = kmod_module_insert_module(kmod, 0, opts);
> + if (err < 0) {
> + switch (err) {
> + case -EEXIST:
> + igt_info("Module %s already inserted\n",
> + kmod_module_get_name(kmod));
> + err = -1;
Don't reduce the information, just return err; (as elsewhere)
Not sure if igt_info() makes sense, it will be noise for those expecting
and handling the error.
> + break;
> + case -ENOENT:
> + igt_info("Unknown symbol in module %s or "
> + "unknown parameter\n",
> + kmod_module_get_name(kmod));
> + err = -1;
> + break;
> + default:
> + igt_info("Could not insert %s (%s)\n",
> + kmod_module_get_name(kmod), strerror(-err));
> + err = -1;
> + break;
> + }
> + }
> +out:
> + kmod_module_unref(kmod);
> + kmod_unref(ctx);
> +
> + return err;
> +}
> +
--
Chris Wilson, Intel Open Source Technology Centre
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