1#include "config.h" 2 3#define _GNU_SOURCE 4#include <stdio.h> 5#include <pthread.h> 6#include <string.h> 7#include <stdlib.h> 8#if defined(HAVE_SYS_PRCTL_H) 9#include <sys/prctl.h> 10#endif /* HAVE_SYS_PRCTL_H */ 11#include <sys/types.h> 12#include <unistd.h> 13#include <assert.h> 14#include "valgrind.h" 15 16static pthread_t children[3]; 17 18void bad_things(int offset) 19{ 20 char* m = malloc(sizeof(char)*offset); 21 m[offset] = 0; 22 free(m); 23} 24 25void* child_fn_2 ( void* arg ) 26{ 27 const char* threadname = "012345678901234"; 28 29# if !defined(VGO_darwin) 30 pthread_setname_np(pthread_self(), threadname); 31# else 32 pthread_setname_np(threadname); 33# endif 34 35 bad_things(4); 36 37 return NULL; 38} 39 40void* child_fn_1 ( void* arg ) 41{ 42 const char* threadname = "try1"; 43 int r; 44 45# if !defined(VGO_darwin) 46 pthread_setname_np(pthread_self(), threadname); 47# else 48 pthread_setname_np(threadname); 49# endif 50 51 bad_things(3); 52 VALGRIND_PRINTF("%s", "I am in child_fn_1\n"); 53 54 r = pthread_create(&children[2], NULL, child_fn_2, NULL); 55 assert(!r); 56 57 r = pthread_join(children[2], NULL); 58 assert(!r); 59 60 return NULL; 61} 62 63void* child_fn_0 ( void* arg ) 64{ 65 int r; 66 67 bad_things(2); 68 69 r = pthread_create(&children[1], NULL, child_fn_1, NULL); 70 assert(!r); 71 72 r = pthread_join(children[1], NULL); 73 assert(!r); 74 75 return NULL; 76} 77 78int main(int argc, const char** argv) 79{ 80 int r; 81 82 bad_things(1); 83 84 r = pthread_create(&children[0], NULL, child_fn_0, NULL); 85 assert(!r); 86 87 r = pthread_join(children[0], NULL); 88 assert(!r); 89 90 bad_things(5); 91 92 return 0; 93} 94 95