diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/nptl-signals.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/nptl-signals.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/sysdeps/unix/sysv/linux/nptl-signals.h b/sysdeps/unix/sysv/linux/nptl-signals.h deleted file mode 100644 index f30c597c0e..0000000000 --- a/sysdeps/unix/sysv/linux/nptl-signals.h +++ /dev/null @@ -1,85 +0,0 @@ -/* Special use of signals in NPTL internals. Linux version. - Copyright (C) 2014-2017 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 - <http://www.gnu.org/licenses/>. */ - -#include <signal.h> -#include <sigsetops.h> - -/* The signal used for asynchronous cancelation. */ -#define SIGCANCEL __SIGRTMIN - - -/* Signal needed for the kernel-supported POSIX timer implementation. - We can reuse the cancellation signal since we can distinguish - cancellation from timer expirations. */ -#define SIGTIMER SIGCANCEL - - -/* Signal used to implement the setuid et.al. functions. */ -#define SIGSETXID (__SIGRTMIN + 1) - - -/* Return is sig is used internally. */ -static inline int -__nptl_is_internal_signal (int sig) -{ - return (sig == SIGCANCEL) || (sig == SIGTIMER) || (sig == SIGSETXID); -} - -/* Remove internal glibc signal from the mask. */ -static inline void -__nptl_clear_internal_signals (sigset_t *set) -{ - __sigdelset (set, SIGCANCEL); - __sigdelset (set, SIGTIMER); - __sigdelset (set, SIGSETXID); -} - -#define SIGALL_SET \ - ((__sigset_t) { .__val = {[0 ... _SIGSET_NWORDS-1 ] = -1 } }) - -/* Block all signals, including internal glibc ones. */ -static inline int -__libc_signal_block_all (sigset_t *set) -{ - INTERNAL_SYSCALL_DECL (err); - return INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_BLOCK, &SIGALL_SET, - set, _NSIG / 8); -} - -/* Block all application signals (excluding internal glibc ones). */ -static inline int -__libc_signal_block_app (sigset_t *set) -{ - sigset_t allset = SIGALL_SET; - __nptl_clear_internal_signals (&allset); - INTERNAL_SYSCALL_DECL (err); - return INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_BLOCK, &allset, set, - _NSIG / 8); -} - -/* Restore current process signal mask. */ -static inline int -__libc_signal_restore_set (const sigset_t *set) -{ - INTERNAL_SYSCALL_DECL (err); - return INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, set, NULL, - _NSIG / 8); -} - -/* Used to communicate with signal handler. */ -extern struct xid_command *__xidcmd attribute_hidden; |