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author | Ulrich Drepper <drepper@redhat.com> | 2007-11-08 01:07:04 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2007-11-08 01:07:04 +0000 |
commit | f6ed654cabb55cc809bde696ad8357498af39757 (patch) | |
tree | 699d12220dc547380f544f9d7cf3996e60459d93 /nptl/tst-basic7.c | |
parent | f2a8406a4f5974230d33995105160a8bacbce500 (diff) | |
download | glibc-f6ed654cabb55cc809bde696ad8357498af39757.zip glibc-f6ed654cabb55cc809bde696ad8357498af39757.tar.gz glibc-f6ed654cabb55cc809bde696ad8357498af39757.tar.bz2 |
* sysdeps/x86_64/memset.S: Add sfence after movnti.
Diffstat (limited to 'nptl/tst-basic7.c')
-rw-r--r-- | nptl/tst-basic7.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/nptl/tst-basic7.c b/nptl/tst-basic7.c new file mode 100644 index 0000000..da461e4 --- /dev/null +++ b/nptl/tst-basic7.c @@ -0,0 +1,56 @@ +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/mman.h> +#include <sys/resource.h> + +static void +use_up_memory (void) +{ + struct rlimit rl; + getrlimit (RLIMIT_AS, &rl); + rl.rlim_cur = 10 * 1024 * 1024; + setrlimit (RLIMIT_AS, &rl); + + char *c; + int PAGESIZE = getpagesize (); + while (1) + { + c = mmap (NULL, PAGESIZE, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0); + if (c == MAP_FAILED) + break; + } +} + +static void * +child (void *arg) +{ + sleep (1); + return arg; +} + +static int +do_test (void) +{ + int err; + pthread_t tid; + + use_up_memory (); + + err = pthread_create (&tid, NULL, child, NULL); + if (err != 0) + { + printf ("pthread_create returns %d: %s\n", err, + err == EAGAIN ? "OK" : "FAIL"); + return err != EAGAIN; + } + + /* We did not fail to allocate memory despite the preparation. Oh well. */ + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |