summaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/powerpc/time.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/time.c')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/time.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/time.c b/sysdeps/unix/sysv/linux/powerpc/time.c
new file mode 100644
index 0000000000..66b4eb3049
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/time.c
@@ -0,0 +1,62 @@
+/* time system call for Linux/PowerPC.
+ Copyright (C) 2013 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifdef SHARED
+
+# include <time.h>
+# include <sysdep.h>
+# include <bits/libc-vdso.h>
+
+void *time_ifunc (void) asm ("time");
+
+static time_t
+time_syscall (time_t *t)
+{
+ struct timeval tv;
+ time_t result;
+
+ if (INLINE_VSYSCALL (gettimeofday, 2, &tv, NULL) < 0)
+ result = (time_t) -1;
+ else
+ result = (time_t) tv.tv_sec;
+
+ if (t != NULL)
+ *t = result;
+ return result;
+}
+
+void *
+time_ifunc (void)
+{
+ /* If the vDSO is not available we fall back to the syscall. */
+ return (__vdso_time ? VDSO_IFUNC_RET (__vdso_time)
+ : time_syscall);
+}
+asm (".type time, %gnu_indirect_function");
+
+/* This is doing "libc_hidden_def (time)" but the compiler won't
+ * let us do it in C because it doesn't know we're defining time
+ * here in this file. */
+asm (".globl __GI_time\n"
+ "__GI_time = time");
+
+#else
+
+#include <sysdeps/posix/time.c>
+
+#endif