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Code Issues Releases Activity

Fix releasing of nv displays

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This commit is contained in:
Rafał Lalik 2022-10-14 04:17:14 +02:00 committed by Brenden Matthews
parent 268906b957
commit 63f3f8a526
1 changed files with 23 additions and 20 deletions
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43
src/nvidia.cc
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@ -101,6 +101,8 @@
#include "temphelper.h"
#include "x11.h"
#include <memory>
// Separators for nvidia string parsing
// (sample: "perf=0, nvclock=324, nvclockmin=324, nvclockmax=324 ; perf=1,
// nvclock=549, nvclockmin=549, nvclockmax=549")
@ -366,6 +368,14 @@ struct nvidia_c_string {
const int MAXNUMGPU = 64;
namespace {
// Deleter for nv display to use with std::unique_ptr
void close_nvdisplay(Display * dp) {
XCloseDisplay(dp);
}
using unique_display_t = std::unique_ptr<Display, decltype(&close_nvdisplay)>;
class nvidia_display_setting
: public conky::simple_config_setting<std::string> {
typedef conky::simple_config_setting<std::string> Base;
@ -378,7 +388,7 @@ class nvidia_display_setting
public:
nvidia_display_setting() : Base("nvidia_display", std::string(), false) {}
virtual Display *get_nvdisplay();
virtual unique_display_t get_nvdisplay();
};
void nvidia_display_setting::lua_setter(lua::state &l, bool init) {
@ -391,28 +401,21 @@ void nvidia_display_setting::lua_setter(lua::state &l, bool init) {
++s;
} // namespace
Display *nvidia_display_setting::get_nvdisplay() {
unique_display_t nvidia_display_setting::get_nvdisplay() {
if (!nvdisplay.empty()) {
Display *nvd = XOpenDisplay(nvdisplay.c_str());
if (nvd == nullptr) {
unique_display_t nvd(XOpenDisplay(nvdisplay.c_str()), &close_nvdisplay);
if (!nvd) {
NORM_ERR(nullptr, NULL, "can't open nvidia display: %s",
XDisplayName(nvdisplay.c_str()));
}
return nvd;
}
return nullptr;
return unique_display_t(nullptr, &close_nvdisplay);
} // namespace
void nvidia_display_setting::cleanup(lua::state &l) {
lua::stack_sentry s(l, -1);
Display *nvdisplay = get_nvdisplay();
if (nvdisplay && nvdisplay != display) {
XCloseDisplay(nvdisplay);
nvdisplay = nullptr;
}
l.pop();
}
@ -754,8 +757,8 @@ static int cache_nvidia_value(TARGET_ID tid, ATTR_ID aid, Display *dpy,
// Retrieve attribute value via nvidia interface
static int get_nvidia_value(TARGET_ID tid, ATTR_ID aid, int gid,
const char *arg) {
Display *dpy = nvidia_display.get_nvdisplay();
if (!dpy) dpy = display;
auto nvdpy = nvidia_display.get_nvdisplay();
Display * dpy = nvdpy ? nvdpy.get() : display;
int value;
// Check if the aid is cacheable
@ -785,8 +788,8 @@ static int get_nvidia_value(TARGET_ID tid, ATTR_ID aid, int gid,
// Retrieve attribute string via nvidia interface
static char *get_nvidia_string(TARGET_ID tid, ATTR_ID aid, int gid,
const char *arg) {
Display *dpy = nvidia_display.get_nvdisplay();
if (!dpy) dpy = display;
auto nvdpy = nvidia_display.get_nvdisplay();
Display * dpy = nvdpy ? nvdpy.get() : display;
char *str;
// Query nvidia interface
@ -958,8 +961,8 @@ void print_nvidia_value(struct text_object *obj, char *p,
int event_base;
int error_base;
Display *dpy = nvidia_display.get_nvdisplay();
if (!dpy) dpy = display;
auto nvdpy = nvidia_display.get_nvdisplay();
Display * dpy = nvdpy ? nvdpy.get() : display;
if (!dpy) {
NORM_ERR("%s: no display set (try setting nvidia_display)", __func__);
@ -1062,8 +1065,8 @@ double get_nvidia_barval(struct text_object *obj) {
int event_base;
int error_base;
Display *dpy = nvidia_display.get_nvdisplay();
if (!dpy) dpy = display;
auto nvdpy = nvidia_display.get_nvdisplay();
Display * dpy = nvdpy ? nvdpy.get() : display;
if (!dpy) {
NORM_ERR("%s: no display set (try setting nvidia_display)", __func__);