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-rw-r--r--src/servers/coopgamma.h101
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diff --git a/src/servers/coopgamma.h b/src/servers/coopgamma.h
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--- a/src/servers/coopgamma.h
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-/**
- * coopgammad -- Cooperative gamma server
- * Copyright (C) 2016 Mattias Andrée (maandree@kth.se)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-#ifndef SERVERS_COOPGAMMA_H
-#define SERVERS_COOPGAMMA_H
-
-
-#include "../types/output.h"
-
-#include <stddef.h>
-
-
-
-#ifndef GCC_ONLY
-# if defined(__GNUC__) && !defined(__clang__)
-# define GCC_ONLY(...) __VA_ARGS__
-# else
-# define GCC_ONLY(...) /* nothing */
-# endif
-#endif
-
-
-
-/**
- * Handle a closed connection
- *
- * @param client The file descriptor for the client
- * @return Zero on success, -1 on error
- */
-int connection_closed(int client);
-
-/**
- * Handle a ‘Command: get-gamma’ message
- *
- * @param conn The index of the connection
- * @param message_id The value of the ‘Message ID’ header
- * @param crtc The value of the ‘CRTC’ header
- * @param coalesce The value of the ‘Coalesce’ header
- * @param high_priority The value of the ‘High priority’ header
- * @param low_priority The value of the ‘Low priority’ header
- * @return Zero on success (even if ignored), -1 on error,
- * 1 if connection closed
- */
-GCC_ONLY(__attribute__((nonnull(2))))
-int handle_get_gamma(size_t conn, const char* restrict message_id, const char* restrict crtc,
- const char* restrict coalesce, const char* restrict high_priority,
- const char* restrict low_priority);
-
-/**
- * Handle a ‘Command: set-gamma’ message
- *
- * @param conn The index of the connection
- * @param message_id The value of the ‘Message ID’ header
- * @param crtc The value of the ‘CRTC’ header
- * @param priority The value of the ‘Priority’ header
- * @param class The value of the ‘Class’ header
- * @param lifespan The value of the ‘Lifespan’ header
- * @return Zero on success (even if ignored), -1 on error,
- * 1 if connection closed
- */
-GCC_ONLY(__attribute__((nonnull(2))))
-int handle_set_gamma(size_t conn, const char* restrict message_id, const char* restrict crtc,
- const char* restrict priority, const char* restrict class, const char* restrict lifespan);
-
-
-/**
- * Recalculate the resulting gamma and
- * update push the new gamma ramps to the CRTC
- *
- * @param output The output
- * @param first_updated The index of the first added or removed filter
- * @return Zero on success, -1 on error
- */
-GCC_ONLY(__attribute__((nonnull)))
-int flush_filters(struct output* restrict output, size_t first_updated);
-
-
-/**
- * Preserve current gamma ramps at priority 0 for all outputs
- *
- * @return Zero on success, -1 on error
- */
-int preserve_gamma(void);
-
-
-#endif
-