| // kills itself using poison | |
| #define _GNU_SOURCE 1 | |
| #include <stdlib.h> | |
| #include <sys/mman.h> | |
| #include <stdio.h> | |
| #include <unistd.h> | |
| #define MADV_POISON 100 | |
| int main(void) | |
| { | |
| int PS = getpagesize(); | |
| char *ptr = mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_POPULATE, 0,0);; | |
| printf("ptr = %p\n", ptr); | |
| madvise(ptr, PS, MADV_POISON); | |
| printf("faulting\n"); | |
| *ptr = 1; | |
| printf("waiting\n"); | |
| sleep(100); | |
| return 0; | |
| } |