Mercurial > projects > pwm
view pager.h @ 19:5c6155c8e9b6
Handle signals
Handled signals are generally blocked and only unblocked when doing blocking
I/O, i.e. either when reading commands or printing results. A (possibly
queued) signal will then interrupt I/O and can be dealt with in the main loop.
author | Guido Berhoerster <guido+pwm@berhoerster.name> |
---|---|
date | Fri, 01 Sep 2017 22:33:41 +0200 |
parents | a08ef0674d8e |
children |
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/* * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name> * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef PAGER_H #define PAGER_H #include <stdarg.h> #include "io.h" struct pager; struct pager * pager_create(int); void pager_destroy(struct pager *); int pager_vprintf(struct pager *, const char *, va_list); int pager_printf(struct pager *, const char *, ...); enum io_status pager_show(struct pager *); #endif /* !PAGER_H */