diff options
Diffstat (limited to 'src/H5detect.c')
| -rw-r--r-- | src/H5detect.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/H5detect.c b/src/H5detect.c index fd5e980..e4fe453 100644 --- a/src/H5detect.c +++ b/src/H5detect.c @@ -1655,6 +1655,21 @@ main(int argc, char *argv[]) if (!rawoutstream) rawoutstream = stdout; +#if defined(H5_HAVE_SETSYSINFO) && defined(SSI_NVPAIRS) +#if defined(UAC_NOPRINT) && defined(UAC_SIGBUS) + /* + * Make sure unaligned access generates SIGBUS and doesn't print warning + * messages so that we can detect alignment constraints on the DEC Alpha. + */ + int nvpairs[2]; + nvpairs[0] = SSIN_UACPROC; + nvpairs[1] = UAC_NOPRINT | UAC_SIGBUS; + if (setsysinfo(SSI_NVPAIRS, nvpairs, 1, 0, 0) < 0) { + fprintf(stderr, "H5detect: unable to turn off UAC handling: %s\n", HDstrerror(errno)); + } +#endif +#endif + #if defined(H5SETJMP) && defined(H5_HAVE_SIGNAL) /* verify the SIGBUS and SIGSEGV handlers work properly */ if (verify_signal_handlers(SIGBUS, sigbus_handler) != 0) { |