+1997-05-01 03:13 Ulrich Drepper <drepper@cygnus.com>
+
+ * sysdeps/unix/sysv/linux/shmat.c (shmat): For Linux-2.0 and up the
+ kernel can return negative values. Only fail when return value is
+ in range in range which is never returned as valid address.
+ Patch by Bruno Haible <haible@ilog.fr>.
+
1997-04-30 17:35 Ulrich Drepper <drepper@cygnus.com>
* math/libm-test.c: Implement test for exceptions.
Boston, MA 02111-1307, USA. */
#include <complex.h>
+#include <fenv.h>
#include <math.h>
#include "math_private.h"
is not +-inf the result is NaN + iNaN. */
__real__ retval = __nan ("");
__imag__ retval = __nan ("");
+
+#ifdef FE_INVALID
+ feraiseexcept (FE_INVALID);
+#endif
}
}
else if (rcls == FP_INFINITE)
{
__real__ retval = HUGE_VAL;
__imag__ retval = __nan ("");
+
+#ifdef FE_INVALID
+ if (icls == FP_INFINITE)
+ feraiseexcept (FE_INVALID);
+#endif
}
else
{
/* If the real part is NaN the result is NaN + iNaN. */
__real__ retval = __nan ("");
__imag__ retval = __nan ("");
+
+#ifdef FE_INVALID
+ if (rcls != FP_NAN || icls != FP_NAN)
+ feraiseexcept (FE_INVALID);
+#endif
}
return retval;
unsigned long raddr;
retval = __ipc (IPCOP_shmat, shmid, shmflg, (int) &raddr, shmaddr);
- return retval < 0 ? (void *) retval : (void *) raddr;
+ return ((unsigned long int) retval > -(unsigned long int) SHMLBA
+ ? (void *) retval : (void *) raddr);
}