From 8badf496ab2cfa40a8d98fa0557b69c539e10a72 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 15 Jul 2014 15:48:18 -0700 Subject: [PATCH] Add generic/stub implementations of pthread_{kill,sigmask,sigqueue}. --- ChangeLog | 4 ++++ nptl/pthread_kill.c | 38 ++++++++++++++++++++++++++++++++++++++ nptl/pthread_sigmask.c | 32 ++++++++++++++++++++++++++++++++ nptl/pthread_sigqueue.c | 37 +++++++++++++++++++++++++++++++++++++ 4 files changed, 111 insertions(+) create mode 100644 nptl/pthread_kill.c create mode 100644 nptl/pthread_sigmask.c create mode 100644 nptl/pthread_sigqueue.c diff --git a/ChangeLog b/ChangeLog index 7be5a52e49..3f78f8243e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2014-07-15 Roland McGrath + * 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. diff --git a/nptl/pthread_kill.c b/nptl/pthread_kill.c new file mode 100644 index 0000000000..d7eb34e1d5 --- /dev/null +++ b/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 + . */ + +#include +#include +#include + + +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) diff --git a/nptl/pthread_sigmask.c b/nptl/pthread_sigmask.c new file mode 100644 index 0000000000..217cdc068b --- /dev/null +++ b/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 + . */ + +#include +#include + + +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; +} diff --git a/nptl/pthread_sigqueue.c b/nptl/pthread_sigqueue.c new file mode 100644 index 0000000000..5684c57ec4 --- /dev/null +++ b/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 + . */ + +#include +#include +#include + + +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) -- 2.11.4.GIT