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- #include <stdio.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include <string.h>
- #include <sys/resource.h>
-
- #define TENMB 10*1024*1024
-
- int main() {
- char *p[10];
- for (int i = 0; i < 10; i++) {
- p[i] = malloc(TENMB);
- memset(p[i], 0, TENMB);
- struct rusage usage;
- if (getrusage(RUSAGE_SELF, &usage) == 0) {
- printf("Usage: %ldKB\n", usage.ru_maxrss);
- } else {
- perror("getrusage");
- exit(1);
- }
- sleep(1);
- }
- for (int i = 0; i < 10; i++) {
- free(p[i]);
- }
- }
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