From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- src/common/signal.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 src/common/signal.h (limited to 'src/common/signal.h') diff --git a/src/common/signal.h b/src/common/signal.h new file mode 100644 index 000000000..4b323de47 --- /dev/null +++ b/src/common/signal.h @@ -0,0 +1,42 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab +/* + * Ceph - scalable distributed file system + * + * Copyright (C) 2011 New Dream Network + * + * This is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software + * Foundation. See file COPYING. + * + */ + +#ifndef CEPH_COMMON_SIGNAL_H +#define CEPH_COMMON_SIGNAL_H + +#include +#include + +// Returns a string showing the set of blocked signals for the calling thread. +// Other threads may have a different set (this is per-thread thing). +extern std::string signal_mask_to_str(); + +// Block a list of signals. If siglist == NULL, blocks all signals. +// If not, the list is terminated with a 0 element. +// +// On success, stores the old set of blocked signals in +// old_sigset. On failure, stores an invalid set of blocked signals in +// old_sigset. +extern void block_signals(const int *siglist, sigset_t *old_sigset); + +// Restore the set of blocked signals. Will not restore an invalid set of +// blocked signals. +extern void restore_sigset(const sigset_t *old_sigset); + +// Unblock all signals. On success, stores the old set of blocked signals in +// old_sigset. On failure, stores an invalid set of blocked signals in +// old_sigset. +extern void unblock_all_signals(sigset_t *old_sigset); + +#endif -- cgit v1.2.3