Module Name: src
Committed By: martin
Date: Fri Mar 4 11:48:58 UTC 2011
Modified Files:
src/lib/libc/softfloat: softfloat-specialize
Log Message:
Use sigqueueinfo() instead of raise() to generate exceptions. Provide
minimalistic siginfo data.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/lib/libc/softfloat/softfloat-specialize
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/softfloat/softfloat-specialize
diff -u src/lib/libc/softfloat/softfloat-specialize:1.4 src/lib/libc/softfloat/softfloat-specialize:1.5
--- src/lib/libc/softfloat/softfloat-specialize:1.4 Sun Sep 26 21:13:27 2004
+++ src/lib/libc/softfloat/softfloat-specialize Fri Mar 4 11:48:58 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: softfloat-specialize,v 1.4 2004/09/26 21:13:27 jmmv Exp $ */
+/* $NetBSD: softfloat-specialize,v 1.5 2011/03/04 11:48:58 martin Exp $ */
/* This is a derivative work. */
@@ -33,6 +33,8 @@
*/
#include <signal.h>
+#include <string.h>
+#include <unistd.h>
/*
-------------------------------------------------------------------------------
@@ -56,11 +58,26 @@
fp_except float_exception_mask = 0;
void float_raise( fp_except flags )
{
+ siginfo_t info;
float_exception_flags |= flags;
if ( flags & float_exception_mask ) {
- raise( SIGFPE );
+ memset(&info, 0, sizeof info);
+ info.si_signo = SIGFPE;
+ info.si_pid = getpid();
+ info.si_uid = geteuid();
+ if (flags & float_flag_underflow)
+ info.si_code = FPE_FLTUND;
+ else if (flags & float_flag_overflow)
+ info.si_code = FPE_FLTOVF;
+ else if (flags & float_flag_divbyzero)
+ info.si_code = FPE_FLTDIV;
+ else if (flags & float_flag_invalid)
+ info.si_code = FPE_FLTINV;
+ else if (flags & float_flag_inexact)
+ info.si_code = FPE_FLTRES;
+ sigqueueinfo(getpid(), &info);
}
}
