Move x86_64 timer_*.c out of nptl/

6 files changed, 231 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/x86_64/Versions b/sysdeps/unix/sysv/linux/x86_64/Versions
index 34c100b..4ce7b78 100644
--- a/sysdeps/unix/sysv/linux/x86_64/Versions
+++ b/sysdeps/unix/sysv/linux/x86_64/Versions
@@ -10,3 +10,11 @@ libc {
     __vdso_clock_gettime;
   }
 }
+
+librt {
+  GLIBC_2.3.3 {
+    # Changed timer_t.
+    timer_create; timer_delete; timer_getoverrun; timer_gettime;
+    timer_settime;
+  }
+}
diff --git a/sysdeps/unix/sysv/linux/x86_64/timer_create.c b/sysdeps/unix/sysv/linux/x86_64/timer_create.c
new file mode 100644
index 0000000..a1209f9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/timer_create.c
@@ -0,0 +1,65 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   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; see the file COPYING.LIB.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#include <shlib-compat.h>
+#include "compat-timer.h"
+#include <atomic.h>
+
+
+#define timer_create_alias __timer_create_new
+#include <sysdeps/unix/sysv/linux/timer_create.c>
+
+#undef timer_create
+versioned_symbol (librt, __timer_create_new, timer_create, GLIBC_2_3_3);
+
+
+#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
+timer_t __compat_timer_list[OLD_TIMER_MAX] attribute_hidden;
+
+
+int
+__timer_create_old (clockid_t clock_id, struct sigevent *evp, int *timerid)
+{
+  timer_t newp;
+
+  int res = __timer_create_new (clock_id, evp, &newp);
+  if (res == 0)
+    {
+      int i;
+      for (i = 0; i < OLD_TIMER_MAX; ++i)
+	if (__compat_timer_list[i] == NULL
+	    && ! atomic_compare_and_exchange_bool_acq (&__compat_timer_list[i],
+						       newp, NULL))
+	  {
+	    *timerid = i;
+	    break;
+	  }
+
+      if (__glibc_unlikely (i == OLD_TIMER_MAX))
+	{
+	  /* No free slot.  */
+	  (void) __timer_delete_new (newp);
+	  __set_errno (EINVAL);
+	  res = -1;
+	}
+    }
+
+  return res;
+}
+compat_symbol (librt, __timer_create_old, timer_create, GLIBC_2_2);
+#endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/timer_delete.c b/sysdeps/unix/sysv/linux/x86_64/timer_delete.c
new file mode 100644
index 0000000..25861b7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/timer_delete.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   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; see the file COPYING.LIB.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#include <shlib-compat.h>
+#include "compat-timer.h"
+
+
+#define timer_delete_alias __timer_delete_new
+#include <sysdeps/unix/sysv/linux/timer_delete.c>
+
+#undef timer_delete
+versioned_symbol (librt, __timer_delete_new, timer_delete, GLIBC_2_3_3);
+
+
+#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
+int
+__timer_delete_old (int timerid)
+{
+  int res = __timer_delete_new (__compat_timer_list[timerid]);
+
+  if (res == 0)
+    /* Successful timer deletion, now free the index.  We only need to
+       store a word and that better be atomic.  */
+    __compat_timer_list[timerid] = NULL;
+
+  return res;
+}
+compat_symbol (librt, __timer_delete_old, timer_delete, GLIBC_2_2);
+#endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/timer_getoverr.c b/sysdeps/unix/sysv/linux/x86_64/timer_getoverr.c
new file mode 100644
index 0000000..7f45000
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/timer_getoverr.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   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; see the file COPYING.LIB.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#include <shlib-compat.h>
+#include "compat-timer.h"
+
+
+#define timer_getoverrun_alias __timer_getoverrun_new
+#include <sysdeps/unix/sysv/linux/timer_getoverr.c>
+
+#undef timer_getoverrun
+versioned_symbol (librt, __timer_getoverrun_new, timer_getoverrun,
+		  GLIBC_2_3_3);
+
+
+#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
+int
+__timer_getoverrun_old (int timerid)
+{
+  return __timer_getoverrun_new (__compat_timer_list[timerid]);
+}
+compat_symbol (librt, __timer_getoverrun_old, timer_getoverrun, GLIBC_2_2);
+#endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/timer_gettime.c b/sysdeps/unix/sysv/linux/x86_64/timer_gettime.c
new file mode 100644
index 0000000..7df4804
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/timer_gettime.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   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; see the file COPYING.LIB.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#include <shlib-compat.h>
+#include "compat-timer.h"
+
+
+#define timer_gettime_alias __timer_gettime_new
+#include <sysdeps/unix/sysv/linux/timer_gettime.c>
+
+#undef timer_gettime
+versioned_symbol (librt, __timer_gettime_new, timer_gettime, GLIBC_2_3_3);
+
+
+#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
+int
+__timer_gettime_old (int timerid, struct itimerspec *value)
+{
+  return __timer_gettime_new (__compat_timer_list[timerid], value);
+}
+compat_symbol (librt, __timer_gettime_old, timer_gettime, GLIBC_2_2);
+#endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/timer_settime.c b/sysdeps/unix/sysv/linux/x86_64/timer_settime.c
new file mode 100644
index 0000000..399ff83
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/timer_settime.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   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; see the file COPYING.LIB.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#include <shlib-compat.h>
+#include "compat-timer.h"
+
+
+#define timer_settime_alias __timer_settime_new
+#include <sysdeps/unix/sysv/linux/timer_settime.c>
+
+#undef timer_settime
+versioned_symbol (librt, __timer_settime_new, timer_settime, GLIBC_2_3_3);
+
+
+#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
+int
+__timer_settime_old (int timerid, int flags, const struct itimerspec *value,
+		     struct itimerspec *ovalue)
+{
+  return __timer_settime_new (__compat_timer_list[timerid], flags,
+			      value, ovalue);
+}
+compat_symbol (librt, __timer_settime_old, timer_settime, GLIBC_2_2);
+#endif