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- #include <stdio.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include <sys/mman.h>
- #include <string.h>
- #include <errno.h>
- int main (int argc, char *argv[])
- {
- int size = 1024 * 1024 * 100;
- for (int i = 0; i < 10000000; ++i) {
- void* mem = mmap(0, size, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANON, 0, 0);
- if (mem == MAP_FAILED) {
- fprintf(stderr, "#%d, map failed (%s)\n", i, strerror(errno));
- sleep(5);
- exit(1);
- }
- // int* ptr = (int*) mem;
- // ++(*ptr);
- if (i % 100000 == 0)
- printf("#%d, Allocated %d bytes at %p\n", i, size, mem);
- }
- printf("Sleeping...");
- fflush(stdout);
- sleep(30);
- printf(" Exiting...\n");
- return 0;
- }
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