Commit ad73682838ae0e66832aad97a8fbc5fb935130c6
2008-09-23T08:47:26
c-stack: work around Irix sigaltstack bug * m4/c-stack.m4 (AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC): Check whether sigaltstack uses wrong end of stack_t (copied in part from libsigsegv). * lib/c-stack.c (c_stack_action) [!HAVE_LIBSIGSEGV]: Work around Irix bug, without requiring an over-allocation. * doc/posix-functions/sigaltstack.texi (sigaltstack): Document the bug. Signed-off-by: Eric Blake <ebb9@byu.net>