sewardj | 8eb8bab | 2015-07-21 14:44:28 +0000 | [diff] [blame] | 1 | #include "config.h" |
| 2 | |
florian | c5325ef | 2013-09-17 20:15:36 +0000 | [diff] [blame] | 3 | #define _GNU_SOURCE |
florian | 4978951 | 2013-09-16 17:08:50 +0000 | [diff] [blame] | 4 | #include <stdio.h> |
| 5 | #include <pthread.h> |
| 6 | #include <string.h> |
| 7 | #include <stdlib.h> |
sewardj | 8eb8bab | 2015-07-21 14:44:28 +0000 | [diff] [blame] | 8 | #if defined(HAVE_SYS_PRCTL_H) |
| 9 | #include <sys/prctl.h> |
| 10 | #endif /* HAVE_SYS_PRCTL_H */ |
florian | 4978951 | 2013-09-16 17:08:50 +0000 | [diff] [blame] | 11 | #include <sys/types.h> |
| 12 | #include <unistd.h> |
| 13 | #include <assert.h> |
florian | ead018e | 2015-07-30 21:49:49 +0000 | [diff] [blame] | 14 | #include "valgrind.h" |
florian | 7e90510 | 2014-09-27 11:36:08 +0000 | [diff] [blame] | 15 | |
florian | 4978951 | 2013-09-16 17:08:50 +0000 | [diff] [blame] | 16 | static pthread_t children[3]; |
| 17 | |
| 18 | void bad_things(int offset) |
| 19 | { |
| 20 | char* m = malloc(sizeof(char)*offset); |
| 21 | m[offset] = 0; |
| 22 | free(m); |
| 23 | } |
| 24 | |
| 25 | void* child_fn_2 ( void* arg ) |
| 26 | { |
| 27 | const char* threadname = "012345678901234"; |
| 28 | |
sewardj | 76ca27c | 2014-10-12 13:47:30 +0000 | [diff] [blame] | 29 | # if !defined(VGO_darwin) |
florian | 4978951 | 2013-09-16 17:08:50 +0000 | [diff] [blame] | 30 | pthread_setname_np(pthread_self(), threadname); |
sewardj | 76ca27c | 2014-10-12 13:47:30 +0000 | [diff] [blame] | 31 | # else |
| 32 | pthread_setname_np(threadname); |
| 33 | # endif |
florian | 4978951 | 2013-09-16 17:08:50 +0000 | [diff] [blame] | 34 | |
| 35 | bad_things(4); |
| 36 | |
| 37 | return NULL; |
| 38 | } |
| 39 | |
| 40 | void* child_fn_1 ( void* arg ) |
| 41 | { |
| 42 | const char* threadname = "try1"; |
| 43 | int r; |
| 44 | |
sewardj | 76ca27c | 2014-10-12 13:47:30 +0000 | [diff] [blame] | 45 | # if !defined(VGO_darwin) |
florian | 4978951 | 2013-09-16 17:08:50 +0000 | [diff] [blame] | 46 | pthread_setname_np(pthread_self(), threadname); |
sewardj | 76ca27c | 2014-10-12 13:47:30 +0000 | [diff] [blame] | 47 | # else |
| 48 | pthread_setname_np(threadname); |
| 49 | # endif |
florian | 4978951 | 2013-09-16 17:08:50 +0000 | [diff] [blame] | 50 | |
| 51 | bad_things(3); |
florian | ead018e | 2015-07-30 21:49:49 +0000 | [diff] [blame] | 52 | VALGRIND_PRINTF("%s", "I am in child_fn_1\n"); |
florian | 4978951 | 2013-09-16 17:08:50 +0000 | [diff] [blame] | 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 | |
| 63 | void* 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 | |
| 78 | int 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 | |