about summary refs log tree commit diff
path: root/sysdeps/unix
diff options
context:
space:
mode:
authorFlorian Weimer <fweimer@redhat.com>2021-05-11 11:07:59 +0200
committerFlorian Weimer <fweimer@redhat.com>2021-05-11 11:08:06 +0200
commit5f717849198273153a5d390985157fbf973c4e39 (patch)
tree282cfb9a76ea214135e4ecd6d07585b544b3853d /sysdeps/unix
parent1d25bd274cbb8e731e90caf97809340d267bbb45 (diff)
downloadglibc-5f717849198273153a5d390985157fbf973c4e39.tar.gz
glibc-5f717849198273153a5d390985157fbf973c4e39.tar.xz
glibc-5f717849198273153a5d390985157fbf973c4e39.zip
nptl: Replace pthread_sigqueue implementation with Linux one
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/pthread_sigqueue.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/sysdeps/unix/sysv/linux/pthread_sigqueue.c b/sysdeps/unix/sysv/linux/pthread_sigqueue.c
deleted file mode 100644
index 64bacfe41b..0000000000
--- a/sysdeps/unix/sysv/linux/pthread_sigqueue.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/* Copyright (C) 2009-2021 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2009.
-
-   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
-   <https://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <signal.h>
-#include <string.h>
-#include <unistd.h>
-#include <pthreadP.h>
-#include <tls.h>
-#include <sysdep.h>
-
-
-int
-pthread_sigqueue (pthread_t threadid, int signo, const union sigval value)
-{
-#ifdef __NR_rt_tgsigqueueinfo
-  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;
-
-  /* Force load of pd->tid into local variable or register.  Otherwise
-     if a thread exits between ESRCH test and tgkill, we might return
-     EINVAL, because pd->tid would be cleared by the kernel.  */
-  pid_t tid = atomic_forced_read (pd->tid);
-  if (__glibc_unlikely (tid <= 0))
-    /* Not a valid thread handle.  */
-    return ESRCH;
-
-  /* Disallow sending the signal we use for cancellation, timers,
-     for the setxid implementation.  */
-  if (signo == SIGCANCEL || signo == SIGTIMER || signo == SIGSETXID)
-    return EINVAL;
-
-  pid_t pid = getpid ();
-
-  /* Set up the siginfo_t structure.  */
-  siginfo_t info;
-  memset (&info, '\0', sizeof (siginfo_t));
-  info.si_signo = signo;
-  info.si_code = SI_QUEUE;
-  info.si_pid = pid;
-  info.si_uid = getuid ();
-  info.si_value = value;
-
-  /* We have a special syscall to do the work.  */
-  int val = INTERNAL_SYSCALL_CALL (rt_tgsigqueueinfo, pid, tid, signo,
-				   &info);
-  return (INTERNAL_SYSCALL_ERROR_P (val)
-	  ? INTERNAL_SYSCALL_ERRNO (val) : 0);
-#else
-  return ENOSYS;
-#endif
-}