diff options
author | Florian Weimer <fweimer@redhat.com> | 2020-05-15 11:26:37 +0200 |
---|---|---|
committer | Florian Weimer <fweimer@redhat.com> | 2020-05-20 20:22:31 +0200 |
commit | 714da1d4eac32400187255254dd40334b48b80f3 (patch) | |
tree | 71304ad87efc30ceaa5b16b8475670c9d9d76270 /sysdeps/unix/sysv/linux/pthread_setname.c | |
parent | b6ad64b907ab0066902215cf28eadc1e97307e84 (diff) | |
download | glibc-714da1d4eac32400187255254dd40334b48b80f3.tar glibc-714da1d4eac32400187255254dd40334b48b80f3.tar.gz glibc-714da1d4eac32400187255254dd40334b48b80f3.tar.bz2 glibc-714da1d4eac32400187255254dd40334b48b80f3.zip |
nptl: Replace some stubs with the Linux implementation
The stubs for pthread_getaffinity_np, pthread_getname_np,
pthread_setaffinity_np, pthread_setname_np are replaced, and corresponding
tests are moved.
After the removal of the NaCl port, nptl is Linux-specific, and the stubs
are no longer needed. This effectively reverts commit
c76d1ff5149bd03210f2bb8cd64446c51618d016 ("NPTL: Add stubs for Linux-only
extension functions.").
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/pthread_setname.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/pthread_setname.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/sysdeps/unix/sysv/linux/pthread_setname.c b/sysdeps/unix/sysv/linux/pthread_setname.c deleted file mode 100644 index 29df46b77c..0000000000 --- a/sysdeps/unix/sysv/linux/pthread_setname.c +++ /dev/null @@ -1,63 +0,0 @@ -/* pthread_setname_np -- Set thread name. Linux version - Copyright (C) 2010-2020 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; see the file COPYING.LIB. If - not, see <https://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <fcntl.h> -#include <pthreadP.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <sys/prctl.h> - -#include <not-cancel.h> - - -int -pthread_setname_np (pthread_t th, const char *name) -{ - const struct pthread *pd = (const struct pthread *) th; - - /* Unfortunately the kernel headers do not export the TASK_COMM_LEN - macro. So we have to define it here. */ -#define TASK_COMM_LEN 16 - size_t name_len = strlen (name); - if (name_len >= TASK_COMM_LEN) - return ERANGE; - - if (pd == THREAD_SELF) - return prctl (PR_SET_NAME, name) ? errno : 0; - -#define FMT "/proc/self/task/%u/comm" - char fname[sizeof (FMT) + 8]; - sprintf (fname, FMT, (unsigned int) pd->tid); - - int fd = __open64_nocancel (fname, O_RDWR); - if (fd == -1) - return errno; - - int res = 0; - ssize_t n = TEMP_FAILURE_RETRY (__write_nocancel (fd, name, name_len)); - if (n < 0) - res = errno; - else if (n != name_len) - res = EIO; - - __close_nocancel_nostatus (fd); - - return res; -} |