about summary refs log tree commit diff
path: root/nptl/sysdeps/unix/sysv/linux/getpid.c
diff options
context:
space:
mode:
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/getpid.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/getpid.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/getpid.c b/nptl/sysdeps/unix/sysv/linux/getpid.c
new file mode 100644
index 0000000000..75decc1385
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/getpid.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2003 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; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <unistd.h>
+#include <tls.h>
+#include <sysdep.h>
+
+
+pid_t
+__getpid (void)
+{
+  pid_t result;
+#ifndef NOT_IN_libc
+  result = THREAD_GETMEM (THREAD_SELF, pid);
+  if (__builtin_expect (result == 0, 0))
+#endif
+    {
+      INTERNAL_SYSCALL_DECL (err);
+      result = INTERNAL_SYSCALL (getpid, err, 0);
+#ifndef NOT_IN_libc
+      THREAD_SETMEM (THREAD_SELF, pid, result);
+#endif
+    }
+  return result;
+}
+libc_hidden_def (__getpid)
+weak_alias (__getpid, getpid)
+libc_hidden_def (getpid)