Add generic/stub implementations of pthread_{kill,sigmask,sigqueue}.

ChangeLog

@@ -1,5 +1,9 @@
 2014-07-15  Roland McGrath  <roland@hack.frob.com>
 
+	* nptl/pthread_kill.c: New file.
+	* nptl/pthread_sigmask.c: New file.
+	* nptl/pthread_sigqueue.c: New file.
+
 	* sysdeps/nptl/lowlevellock.h: New file.
 	* sysdeps/unix/sysv/linux/lowlevellock-futex.h: New file.
 	* sysdeps/nptl/lowlevellock-futex.h: New file.

nptl/pthread_kill.c

@@ -0,0 +1,38 @@
+/* Send a signal to a specific pthread.  Stub version.
+   Copyright (C) 2014 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/>.  */
+
+#include <errno.h>
+#include <signal.h>
+#include <pthreadP.h>
+
+
+int
+__pthread_kill (pthread_t threadid, int signo)
+{
+  struct pthread *pd = (struct pthread *) threadid;
+
+  /* Make sure the descriptor is valid.  */
+  if (DEBUGGING_P && INVALID_TD_P (pd))
+    /* Not a valid thread handle.  */
+    return ESRCH;
+
+  return ENOSYS;
+}
+strong_alias (__pthread_kill, pthread_kill)
+
+stub_warning (pthread_kill)

nptl/pthread_sigmask.c

@@ -0,0 +1,32 @@
+/* Examine and change blocked signals for a thread.  Generic POSIX version.
+   Copyright (C) 2014 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/>.  */
+
+#include <errno.h>
+#include <signal.h>
+
+
+int
+pthread_sigmask (int how, const sigset_t *newmask, sigset_t *oldmask)
+{
+  /* Here we assume that sigprocmask actually does everything right.
+     The only difference is the return value protocol.  */
+  int result = __sigprocmask (how, newmask, oldmask);
+  if (result < 0)
+    result = errno;
+  return result;
+}

nptl/pthread_sigqueue.c

@@ -0,0 +1,37 @@
+/* Queue a signal (with value) for a specific pthread.  Stub version.
+   Copyright (C) 2014 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/>.  */
+
+#include <errno.h>
+#include <signal.h>
+#include <pthreadP.h>
+
+
+int
+pthread_sigqueue (pthread_t threadid, int signo, const union sigval value)
+{
+  struct pthread *pd = (struct pthread *) threadid;
+
+  /* Make sure the descriptor is valid.  */
+  if (DEBUGGING_P && INVALID_TD_P (pd))
+    /* Not a valid thread handle.  */
+    return ESRCH;
+
+  return ENOSYS;
+}
+
+stub_warning (pthread_sigqueue)