dhcpcd: fix delay after dhcp down.

[ipfire-2.x.git] / src / patches / glibc / glibc-rh929388.patch

diff -pruN glibc-2.5-20061008T1257/sysdeps/x86_64/fpu/math_private.h glibc-2.5-20061008T1257.patched/sysdeps/x86_64/fpu/math_private.h
--- glibc-2.5-20061008T1257/sysdeps/x86_64/fpu/math_private.h	2013-02-12 07:05:08.000000000 -0500
+++ glibc-2.5-20061008T1257.patched/sysdeps/x86_64/fpu/math_private.h	2013-02-12 06:59:08.000000000 -0500
@@ -90,10 +90,14 @@ while (0)
 #undef libc_feupdateenv
 #define libc_feupdateenv(e) \
   do {									      \
-    unsigned int mxcsr;							      \
+    unsigned int mxcsr, new_mxcsr;					      \
     asm volatile ("stmxcsr %0" : "=m" (*&mxcsr));			      \
-    asm volatile ("ldmxcsr %0" : : "m" ((e)->__mxcsr));			      \
-    feraiseexcept (mxcsr & FE_ALL_EXCEPT);				      \
+    /* Merge in the old exceptions.  */					      \
+    new_mxcsr = mxcsr & FE_ALL_EXCEPT | (e)->__mxcsr;			      \
+    asm volatile ("ldmxcsr %0" : : "m" (*&new_mxcsr));			      \
+    /* Only raise exception if there are any that are not masked.  */	      \
+    if (~(mxcsr >> 7) & mxcsr & FE_ALL_EXCEPT)				      \
+      feraiseexcept (mxcsr & FE_ALL_EXCEPT);				      \
   } while (0)
 #undef libc_feupdateenvf
 #define libc_feupdateenvf(e) libc_feupdateenv (e)