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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-09-25 20:28:03 +0200
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-09-26 09:21:57 +0200
commitbd215ef170fb85b7572b617dacdeab26edd3d21c (patch)
treee8711e06ba51c63ca867037ce940ca0c9258959e /libpthread/nptl/sysdeps
parent56741422790d9a6ff74c4397d914f540a1be273d (diff)
always assume tgkill is present
We do not support 2.4 Linux kernels anyway, and almost all newer 2.6 kernels should have tgkill syscall. Cleanup the raise situation, pt-raise.c is unused, sync raise.c with latest GNU libc. Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Diffstat (limited to 'libpthread/nptl/sysdeps')
-rw-r--r--libpthread/nptl/sysdeps/pthread/createthread.c4
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch1
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c51
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c10
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/raise.c21
-rw-r--r--libpthread/nptl/sysdeps/xtensa/Makefile.arch2
6 files changed, 2 insertions, 87 deletions
diff --git a/libpthread/nptl/sysdeps/pthread/createthread.c b/libpthread/nptl/sysdeps/pthread/createthread.c
index 74146ae95..ebfee16f9 100644
--- a/libpthread/nptl/sysdeps/pthread/createthread.c
+++ b/libpthread/nptl/sysdeps/pthread/createthread.c
@@ -105,13 +105,9 @@ do_clone (struct pthread *pd, const struct pthread_attr *attr,
send it the cancellation signal. */
INTERNAL_SYSCALL_DECL (err2);
err_out:
-#if defined (__ASSUME_TGKILL) && __ASSUME_TGKILL
(void) INTERNAL_SYSCALL (tgkill, err2, 3,
THREAD_GETMEM (THREAD_SELF, pid),
pd->tid, SIGCANCEL);
-#else
- (void) INTERNAL_SYSCALL (tkill, err2, 2, pd->tid, SIGCANCEL);
-#endif
return (INTERNAL_SYSCALL_ERROR_P (res, err)
? INTERNAL_SYSCALL_ERRNO (res, err)
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch b/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch
index 81ce813a9..57481fdb5 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch
@@ -95,7 +95,6 @@ endif
libpthread-a-y += $(if $(DOPIC),$(libpthread_linux_OBJS:.o=.os),$(libpthread_linux_OBJS))
libpthread-so-y += $(libpthread_linux_OBJS:.o=.oS)
-libpthread-so-y += $(libpthread_linux_OUT)/pt-raise.oS
libc_linux_OBJS := $(libc_linux_arch_OBJS)
libc_linux_OBJS += $(patsubst %.c,$(libpthread_linux_OUT)/%.o,$(libc_linux_CSRC))
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
deleted file mode 100644
index 6784b1b58..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- 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 <sysdep.h>
-#include <tls.h>
-#include <bits/kernel-features.h>
-
-
-int
-raise (
- int sig)
-{
-#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
- /* raise is an async-safe function. It could be called while the
- fork function temporarily invalidated the PID field. Adjust for
- that. */
- pid_t pid = THREAD_GETMEM (THREAD_SELF, pid);
- if (__builtin_expect (pid < 0, 0))
- pid = -pid;
-#endif
-
-#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
- return INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
- sig);
-#else
-# ifdef __NR_tgkill
- int res = INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
- sig);
- if (res != -1 || errno != ENOSYS)
- return res;
-# endif
- return INLINE_SYSCALL (tkill, 2, THREAD_GETMEM (THREAD_SELF, tid), sig);
-#endif
-}
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
index 5bc6e0651..e27ab5104 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
@@ -58,18 +58,8 @@ __pthread_kill (
fork, it would have to happen in a signal handler. But this is
no allowed, pthread_kill is not guaranteed to be async-safe. */
int val;
-#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
tid, signo);
-#else
-# ifdef __NR_tgkill
- val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
- tid, signo);
- if (INTERNAL_SYSCALL_ERROR_P (val, err)
- && INTERNAL_SYSCALL_ERRNO (val, err) == ENOSYS)
-# endif
- val = INTERNAL_SYSCALL (tkill, err, 2, tid, signo);
-#endif
return (INTERNAL_SYSCALL_ERROR_P (val, err)
? INTERNAL_SYSCALL_ERRNO (val, err) : 0);
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c b/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c
index 8aa4830c0..6b159384f 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -21,17 +21,13 @@
#include <signal.h>
#include <sysdep.h>
#include <pthreadP.h>
-#include <bits/kernel-features.h>
int
-raise (
- int sig)
+raise (int sig)
{
struct pthread *pd = THREAD_SELF;
-#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
pid_t pid = THREAD_GETMEM (pd, pid);
-#endif
pid_t selftid = THREAD_GETMEM (pd, tid);
if (selftid == 0)
{
@@ -44,30 +40,17 @@ raise (
#endif
THREAD_SETMEM (pd, tid, selftid);
-#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
/* We do not set the PID field in the TID here since we might be
called from a signal handler while the thread executes fork. */
pid = selftid;
-#endif
}
-#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
else
/* raise is an async-safe function. It could be called while the
fork/vfork function temporarily invalidated the PID field. Adjust for
that. */
if (__builtin_expect (pid <= 0, 0))
pid = (pid & INT_MAX) == 0 ? selftid : -pid;
-#endif
-#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
-#else
-# ifdef __NR_tgkill
- int res = INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
- if (res != -1 || errno != ENOSYS)
- return res;
-# endif
- return INLINE_SYSCALL (tkill, 2, selftid, sig);
-#endif
}
libc_hidden_def (raise)
diff --git a/libpthread/nptl/sysdeps/xtensa/Makefile.arch b/libpthread/nptl/sysdeps/xtensa/Makefile.arch
index 23461177c..2c1fc1b5c 100644
--- a/libpthread/nptl/sysdeps/xtensa/Makefile.arch
+++ b/libpthread/nptl/sysdeps/xtensa/Makefile.arch
@@ -15,8 +15,6 @@
# License along with the GNU C Library; see the file COPYING.LIB. If
# not, see <http://www.gnu.org/licenses/>.
-CFLAGS-pt-raise.c = -DNOT_IN_libc -DIS_IN_libpthread
-
ASFLAGS-dl-tlsdesc.S = -DNOT_IN_libc=1
ASFLAGS-pthread_spin_lock.S = -DNOT_IN_libc -DIS_IN_libpthread
ASFLAGS-pthread_spin_trylock.S = -DNOT_IN_libc -DIS_IN_libpthread