55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/time.h>
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#include <xcb/xcb.h>
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double get_time(void) {
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struct timeval timev;
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gettimeofday(&timev, NULL);
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return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000);
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}
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int main() {
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int count = 500;
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xcb_atom_t* atoms = (xcb_atom_t*)malloc(count * sizeof(atoms));
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xcb_intern_atom_cookie_t* cookies =
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(xcb_intern_atom_cookie_t*)malloc(count * sizeof(xcb_intern_atom_cookie_t));
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char** names;
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double end, diff_x;
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/* init names */
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names = (char**)malloc(count * sizeof(char*));
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for (int i = 0; i < count; ++i) {
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char buf[100];
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sprintf(buf, "NAME%d", i);
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names[i] = strdup(buf);
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}
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auto start = get_time();
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xcb_connection_t* connection = xcb_connect(NULL, NULL);
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for (int i = 0; i < count; ++i) {
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cookies[i] = xcb_intern_atom(connection, 0, strlen(names[i]), names[i]);
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}
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for (int i = 0; i < count; i++) {
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xcb_intern_atom_reply_t* r = xcb_intern_atom_reply(connection, cookies[i], 0);
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if (r) {
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atoms[i] = r->atom;
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free(r);
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}
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}
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xcb_disconnect(connection);
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end = get_time();
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diff_x = end - start;
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printf("XCB (good) use time : %f\n", diff_x);
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for (int i = 0; i < count; ++i)
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free(names[i]);
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free(names);
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free(atoms);
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free(cookies);
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return 0;
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}
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