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lvm2/lib/misc/lvm-signal.h
Zdenek Kabelac 941f67ed09 signals: add interruptible usleep
Add small wrapper that temporarily enables signal handling during
usleep() and return  '0' when interrupted.
2021-03-14 16:34:38 +01:00

35 lines
990 B
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2014 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _LVM_SIGNAL_H
#define _LVM_SIGNAL_H
#include <unistd.h>
void remove_ctrl_c_handler(void);
void install_ctrl_c_handler(void);
int init_signals(int suppress_messages);
void sigint_allow(void);
int sigint_caught(void);
void sigint_restore(void);
void sigint_clear(void);
void block_signals(uint32_t flags);
void unblock_signals(void);
int interruptible_usleep(useconds_t usec);
#endif