diff options
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/tst-setcontext10.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/stdlib/tst-setcontext10.c b/stdlib/tst-setcontext10.c index 2926753cb1..d714563742 100644 --- a/stdlib/tst-setcontext10.c +++ b/stdlib/tst-setcontext10.c @@ -16,6 +16,15 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ +/* When _FORTIFY_SOURCE is defined to 2, ____longjmp_chk is called, + instead of longjmp. ____longjmp_chk compares the relative stack + values to decide if it is called from a stack frame which called + setjmp. If not, ____longjmp_chk assumes that an alternate signal + stack is used. Since comparing the relative stack values isn't + reliable with user context, when there is no signal, ____longjmp_chk + will fail. Undefine _FORTIFY_SOURCE to avoid ____longjmp_chk. */ +#undef _FORTIFY_SOURCE + #include <stdio.h> #include <stdlib.h> #include <setjmp.h> |