aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2003-02-17 19:15:42 +0000
committerUlrich Drepper <drepper@redhat.com>2003-02-17 19:15:42 +0000
commit81b5057288217437017b42780d7814eb7b0744d5 (patch)
tree5cc9c5a605362821c9032dbe622114c314b890b4 /sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
parent371a2972795a2eec8bd09fb8173b1ed800d68896 (diff)
downloadglibc-81b5057288217437017b42780d7814eb7b0744d5.tar
glibc-81b5057288217437017b42780d7814eb7b0744d5.tar.gz
glibc-81b5057288217437017b42780d7814eb7b0744d5.tar.bz2
glibc-81b5057288217437017b42780d7814eb7b0744d5.zip
Update.
2003-02-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> * sysdeps/unix/sysv/linux/powerpc/ftruncate64.c: Delete. * sysdeps/unix/sysv/linux/powerpc/truncate64.c: Delete. * sysdeps/unix/sysv/linux/powerpc/pread64.c: Delete. * sysdeps/unix/sysv/linux/powerpc/pread.c: Delete. * sysdeps/unix/sysv/linux/powerpc/pwrite64.c: Delete. * sysdeps/unix/sysv/linux/powerpc/pwrite.c: Delete. * sysdeps/unix/sysv/linux/powerpc/fe_nomask.c: Move file... * sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c: ...here. * sysdeps/unix/sysv/linux/powerpc/glob64.c: Move file... * sysdeps/unix/sysv/linux/powerpc/powerpc32/glob64.c: ...here. * sysdeps/unix/sysv/linux/tcgetattr.c: Use INLINE_SYSCALL. * sysdeps/unix/sysv/linux/tcsetattr.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/tcgetattr.c: Delete. * sysdeps/unix/sysv/linux/powerpc/tcsetattr.c: Delete.
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
new file mode 100644
index 0000000000..e51714d312
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c
@@ -0,0 +1,51 @@
+/* Procedure definition for FE_NOMASK_ENV for Linux/ppc.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <fenv.h>
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+
+/* This is rather fiddly under Linux. We don't have direct access,
+ and there is no system call, but we can change the bits
+ in a signal handler's context... */
+
+static struct sigaction oact;
+
+static void
+fe_nomask_handler (int signum, struct sigcontext *sc)
+{
+ sc->regs->msr |= 0x900ul; /* FE0 | FE1 */
+ sigaction (SIGUSR1, &oact, NULL);
+}
+
+const fenv_t *
+__fe_nomask_env (void)
+{
+ struct sigaction act;
+
+ act.sa_handler = (sighandler_t) fe_nomask_handler;
+ sigemptyset (&act.sa_mask);
+ act.sa_flags = 0;
+
+ sigaction (SIGUSR1, &act, &oact);
+ raise (SIGUSR1);
+
+ return FE_ENABLED_ENV;
+}