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Diffstat (limited to 'sysdeps/unix/sysv/linux/rseq-internal.h')
-rw-r--r--sysdeps/unix/sysv/linux/rseq-internal.h73
1 files changed, 0 insertions, 73 deletions
diff --git a/sysdeps/unix/sysv/linux/rseq-internal.h b/sysdeps/unix/sysv/linux/rseq-internal.h
deleted file mode 100644
index 8f6772ca1d..0000000000
--- a/sysdeps/unix/sysv/linux/rseq-internal.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/* Restartable Sequences internal API. Linux implementation.
- Copyright (C) 2020 Free Software Foundation, Inc.
-
- 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/>. */
-
-#ifndef RSEQ_INTERNAL_H
-#define RSEQ_INTERNAL_H
-
-#include <sysdep.h>
-#include <errno.h>
-#include <kernel-features.h>
-#include <stdio.h>
-#include <sys/rseq.h>
-
-#ifdef RSEQ_SIG
-static inline void
-rseq_register_current_thread (void)
-{
- int ret;
-
- if (__rseq_abi.cpu_id != RSEQ_CPU_ID_UNINITIALIZED)
- __libc_fatal ("glibc fatal error: "
- "rseq already initialized for this thread\n");
- ret = INTERNAL_SYSCALL_CALL (rseq, &__rseq_abi, sizeof (struct rseq),
- 0, RSEQ_SIG);
- if (INTERNAL_SYSCALL_ERROR_P (ret))
- {
- const char *msg = NULL;
-
- switch (INTERNAL_SYSCALL_ERRNO (ret))
- {
- case ENOSYS: /* rseq system call not implemented. */
- case EPERM: /* rseq system call filtered by seccomp. */
- case EACCES: /* rseq system call filtered by seccomp. */
- __rseq_abi.cpu_id = RSEQ_CPU_ID_REGISTRATION_FAILED;
- break;
- case EBUSY:
- msg = "glibc fatal error: rseq already registered for this thread\n";
- break;
- case EFAULT:
- msg = "glibc fatal error: rseq parameter is an invalid address\n";
- break;
- case EINVAL:
- msg = "glibc fatal error: rseq parameters are invalid\n";
- break;
- default:
- msg = "glibc fatal error: unexpected rseq errno\n";
- break;
- }
- if (msg != NULL)
- __libc_fatal (msg);
- }
-}
-#else /* RSEQ_SIG */
-static inline void
-rseq_register_current_thread (void)
-{
-}
-#endif /* RSEQ_SIG */
-
-#endif /* rseq-internal.h */