NPTL definitions for setXid function definitions.
authordrepper <drepper>
Fri, 12 Nov 2004 01:22:00 +0000 (01:22 +0000)
committerdrepper <drepper>
Fri, 12 Nov 2004 01:22:00 +0000 (01:22 +0000)
nptl/sysdeps/pthread/setxid.h [new file with mode: 0644]

diff --git a/nptl/sysdeps/pthread/setxid.h b/nptl/sysdeps/pthread/setxid.h
new file mode 100644 (file)
index 0000000..8ec382f
--- /dev/null
@@ -0,0 +1,64 @@
+/* Copyright (C) 2004 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 <pthreadP.h>
+#include <sysdep.h>
+
+#define __SETXID_1(cmd, arg1) \
+  cmd.id[0] = arg1
+#define __SETXID_2(cmd, arg1, arg2) \
+  __SETXID_1 (cmd, arg1); cmd.id[1] = arg2
+#define __SETXID_3(cmd, arg1, arg2, arg3) \
+  __SETXID_2 (cmd, arg1, arg2); cmd.id[2] = arg3
+
+#ifdef SINGLE_THREAD
+# define INLINE_SETXID_SYSCALL(name, nr, args...) \
+  INLINE_SYSCALL (name, nr, args)
+#elif defined SHARED
+# define INLINE_SETXID_SYSCALL(name, nr, args...) \
+  ({                                                                   \
+    int __result;                                                      \
+    if (__builtin_expect (__libc_pthread_functions.ptr__nptl_setxid    \
+                         != NULL, 0))                                  \
+      {                                                                        \
+       struct xid_command __cmd;                                       \
+       __cmd.syscall_no = __NR_##name;                                 \
+       __SETXID_##nr (__cmd, args);                                    \
+       __result = __libc_pthread_functions.ptr__nptl_setxid (&__cmd);  \
+       }                                                               \
+    else                                                               \
+      __result = INLINE_SYSCALL (name, nr, args);                      \
+    __result;                                                          \
+   })
+#else
+# define INLINE_SETXID_SYSCALL(name, nr, args...) \
+  ({                                                                   \
+    extern __typeof (__nptl_setxid) __nptl_setxid __attribute__((weak));\
+    int __result;                                                      \
+    if (__builtin_expect (__nptl_setxid        != NULL, 0))                    \
+      {                                                                        \
+       struct xid_command __cmd;                                       \
+       __cmd.syscall_no = __NR_##name;                                 \
+       __SETXID_##nr (__cmd, args);                                    \
+       __result =__nptl_setxid (&__cmd);                               \
+      }                                                                        \
+    else                                                               \
+      __result = INLINE_SYSCALL (name, nr, args);                      \
+    __result;                                                          \
+   })
+#endif