diff options
Diffstat (limited to 'libmudflap/testsuite/libmudflap.cth/pass39-frag.c')
-rw-r--r-- | libmudflap/testsuite/libmudflap.cth/pass39-frag.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libmudflap/testsuite/libmudflap.cth/pass39-frag.c b/libmudflap/testsuite/libmudflap.cth/pass39-frag.c new file mode 100644 index 000000000..cd3eb5abd --- /dev/null +++ b/libmudflap/testsuite/libmudflap.cth/pass39-frag.c @@ -0,0 +1,57 @@ +#include <stdlib.h> +#include <stdio.h> +#include <pthread.h> +#include <sched.h> +#include <assert.h> + +static void * +func (void *p) +{ + int *counter = (int *) p; + unsigned i; + enum { numarrays = 100, numels = 17 }; + char *arrays [numarrays]; + + for (i=0; i<numarrays; i++) + { + (*counter) ++; + unsigned x = i % numels; + arrays[i] = calloc (numels, sizeof(arrays[i][0])); + assert (arrays[i] != NULL); + arrays[i][x] = i; + free (arrays[i]); + sched_yield (); /* sleep (1); */ + } + + return (NULL); +} + + +int main () +{ + int rc; + unsigned i; + enum foo { NT=10 }; + pthread_t threads[NT]; + int counts[NT]; + + + for (i=0; i<NT; i++) + { + counts[i] = 0; + rc = pthread_create (& threads[i], NULL, func, (void *) & counts[i]); + if (rc) abort(); + } + + for (i=0; i<NT; i++) + { + rc = pthread_join (threads[i], NULL); + if (rc) abort(); + printf ("%d%s", counts[i], (i==NT-1) ? "\n" : " "); + } + + return 0; +} +/* { dg-output "100 100 100 100 100 100 100 100 100 100" } */ +/* { dg-repetitions 20 } */ +/* { dg-timeout 10 } */ |