44 lines
1003 B
C++
44 lines
1003 B
C++
|
#include <X11/Xlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <sys/time.h>
|
||
|
|
|
||
|
|
double get_time(void) {
|
||
|
|
struct timeval timev;
|
||
|
|
gettimeofday(&timev, NULL);
|
||
|
|
return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000);
|
||
|
|
}
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
int count = 500;
|
||
|
|
Atom* atoms_x = (Atom*)malloc(count * sizeof(atoms_x));
|
||
|
|
char** names;
|
||
|
|
double end, diff_x;
|
||
|
|
|
||
|
|
/* init names */
|
||
|
|
names = (char**)malloc(count * sizeof(char*));
|
||
|
|
for (int i = 0; i < count; ++i) {
|
||
|
|
char buf[100];
|
||
|
|
sprintf(buf, "NAME%d", i);
|
||
|
|
names[i] = strdup(buf);
|
||
|
|
}
|
||
|
|
|
||
|
|
auto start = get_time();
|
||
|
|
auto disp = XOpenDisplay(getenv("DISPLAY"));
|
||
|
|
for (int i = 0; i < count; ++i)
|
||
|
|
atoms_x[i] = XInternAtom(disp, names[i], 0);
|
||
|
|
end = get_time();
|
||
|
|
XCloseDisplay(disp);
|
||
|
|
|
||
|
|
diff_x = end - start;
|
||
|
|
printf("Xlib use time : %f\n", diff_x);
|
||
|
|
|
||
|
|
free(atoms_x);
|
||
|
|
|
||
|
|
for (int i = 0; i < count; ++i)
|
||
|
|
free(names[i]);
|
||
|
|
free(names);
|
||
|
|
return 0;
|
||
|
|
}
|