aboutsummaryrefslogtreecommitdiffstats
path: root/src/cg-remove.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/cg-remove.c')
-rw-r--r--src/cg-remove.c403
1 files changed, 0 insertions, 403 deletions
diff --git a/src/cg-remove.c b/src/cg-remove.c
deleted file mode 100644
index d942f87..0000000
--- a/src/cg-remove.c
+++ /dev/null
@@ -1,403 +0,0 @@
-/**
- * cg-tools -- Cooperative gamma-enabled tools
- * Copyright (C) 2016, 2018 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/>.
- */
-#include "arg.h"
-
-#include <libcoopgamma.h>
-
-#include <errno.h>
-#include <inttypes.h>
-#include <poll.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-
-
-/**
- * The libcoopgamma context
- */
-static libcoopgamma_context_t cg;
-
-
-
-/**
- * Print usage information and exit
- */
-static void usage(void)
-{
- fprintf(stderr,
- "Usage: %s [-M method] [-S site] [-c crtc]... class...\n",
- argv0);
- exit(1);
-}
-
-
-/**
- * Initialise the process, specifically
- * reset the signal mask and signal handlers
- *
- * @return Zero on success, -1 on error
- */
-static int initialise_proc(void)
-{
- sigset_t sigmask;
- int sig;
-
- for (sig = 1; sig < _NSIG; sig++)
- if (signal(sig, SIG_DFL) == SIG_ERR)
- if (sig == SIGCHLD)
- return -1;
-
- if (sigemptyset(&sigmask) < 0)
- return -1;
- if (sigprocmask(SIG_SETMASK, &sigmask, NULL) < 0)
- return -1;
-
- return 0;
-}
-
-
-/**
- * Print, to stdout, a list of all
- * recognised adjustment methods
- *
- * @return Zero on success, -1 on error
- */
-static int list_methods(void)
-{
- char** list;
- size_t i;
-
- list = libcoopgamma_get_methods();
- if (list == NULL)
- return -1;
- for (i = 0; list[i]; i++)
- printf("%s\n", list[i]);
- free(list);
- if (fflush(stdout) < 0)
- return -1;
-
- return 0;
-}
-
-
-/**
- * Print, to stdout, a list of all CRTC:s
- *
- * A connection to the coopgamma server
- * must have been made
- *
- * @return Zero on success, -1 on error, -2
- * on libcoopgamma error
- */
-static int list_crtcs(void)
-{
- char** list;
- size_t i;
-
- list = libcoopgamma_get_crtcs_sync(&cg);
- if (list == NULL)
- return -2;
- for (i = 0; list[i]; i++)
- printf("%s\n", list[i]);
- free(list);
- if (fflush(stdout) < 0)
- return -1;
-
- return 0;
-}
-
-
-/**
- * Remove selected filters from selected CRTC:s
- *
- * @param crtcs `NULL`-terminated list of CRTC names
- * @param classes `NULL`-terminated list of filter classes
- * @return Zero on success, -1 on error, -2 on
- * libcoopgamma error
- */
-static int remove_filters(char* const* restrict crtcs, char* const* restrict classes)
-{
- size_t n = 0, unsynced = 0, selected, i, j;
- char* synced = NULL;
- libcoopgamma_async_context_t* asyncs = NULL;
- int saved_errno, need_flush = 0, ret = 0;
- struct pollfd pollfd;
- libcoopgamma_filter_t command;
-
- for (i = 0; crtcs[i] != NULL; i++);
- for (j = 0; classes[j] != NULL; j++);
- synced = calloc(i, j * sizeof(*synced));
- if (synced == NULL)
- goto fail;
- asyncs = calloc(i, j * sizeof(*asyncs));
- if (asyncs == NULL)
- goto fail;
-
- i = j = 0;
- command.lifespan = LIBCOOPGAMMA_REMOVE;
- pollfd.fd = cg.fd;
- pollfd.events = POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI;
-
- while ((unsynced > 0) || (crtcs[i] != NULL))
- {
- wait:
- if (crtcs[i] != NULL)
- pollfd.events |= POLLOUT;
- else
- pollfd.events &= ~POLLOUT;
-
- pollfd.revents = 0;
- if (poll(&pollfd, (nfds_t)1, -1) < 0)
- goto fail;
-
- if (pollfd.revents & (POLLOUT | POLLERR | POLLHUP | POLLNVAL))
- {
- if (need_flush && (libcoopgamma_flush(&cg) < 0))
- goto send_fail;
- need_flush = 0;
- for (; crtcs[i] != NULL; i++, j = 0)
- {
- command.crtc = crtcs[i];
- while (classes[j] != NULL)
- {
- command.class = classes[j++];
- if (unsynced++, libcoopgamma_set_gamma_send(&command, &cg, asyncs + n++) < 0)
- goto send_fail;
- }
- }
- goto send_done;
- send_fail:
- switch (errno)
- {
- case EINTR:
- case EAGAIN:
-#if EAGAIN != EWOULDBLOCK
- case EWOULDBLOCK:
-#endif
- need_flush = 1;
- if (classes[j] == NULL)
- i++, j = 0;
- break;
- default:
- goto fail;
- }
- }
- send_done:
-
- if ((unsynced == 0) && (crtcs[i] == NULL))
- break;
-
- if (pollfd.revents & (POLLIN | POLLRDNORM | POLLRDBAND | POLLPRI))
- while (unsynced > 0)
- switch (libcoopgamma_synchronise(&cg, asyncs, n, &selected))
- {
- case 0:
- if (synced[selected])
- {
- libcoopgamma_skip_message(&cg);
- break;
- }
- synced[selected] = 1;
- unsynced -= 1;
- if (libcoopgamma_set_gamma_recv(&cg, asyncs + selected) < 0)
- goto cg_fail;
- break;
- default:
- switch (errno)
- {
- case 0:
- break;
- case EINTR:
- case EAGAIN:
-#if EAGAIN != EWOULDBLOCK
- case EWOULDBLOCK:
-#endif
- goto wait;
- default:
- goto fail;
- }
- break;
- }
- }
-
- done:
- saved_errno = errno;
- free(synced);
- free(asyncs);
- errno = saved_errno;
- return ret;
- fail:
- ret = -1;
- goto done;
- cg_fail:
- ret = -2;
- goto done;
-}
-
-
-/**
- * -M METHOD
- * Select adjustment method. If METHOD is "?",
- * available methods will be printed to stdout.
- *
- * -S SITE
- * Select site (display server instance).
- *
- * -c CRTC
- * Select CRT controller. If CRTC is "?", CRTC:s
- * will be printed to stdout.
- *
- * Can be used multiple times. If not used, all
- * CRTC:s are selected.
- *
- * @param argc The number of command line arguments
- * @param argv The command line arguments
- * @return 0 on success, 1 on error
- */
-int main(int argc, char* argv[])
-{
- int stage = 0;
- int rc = 0;
- char* method = NULL;
- char* site = NULL;
- char** crtcs_ = NULL;
- char** crtcs = alloca(argc * sizeof(char*));
- size_t i, crtcs_n = 0;
-
- ARGBEGIN
- {
- case 'M':
- if (method != NULL)
- usage();
- method = EARGF(usage());
- break;
- case 'S':
- if (site != NULL)
- usage();
- site = EARGF(usage());
- break;
- case 'c':
- crtcs[crtcs_n++] = EARGF(usage());
- break;
- default:
- usage();
- }
- ARGEND;
-
- if (initialise_proc() < 0)
- goto fail;
-
- if ((method != NULL) && !strcmp(method, "?"))
- {
- if ((site != NULL) || (crtcs_n > 0) || (argc > 0))
- usage();
- if (list_methods() < 0)
- goto fail;
- return 0;
- }
-
- if (libcoopgamma_context_initialise(&cg) < 0)
- goto fail;
- stage++;
- if (libcoopgamma_connect(method, site, &cg) < 0)
- {
- fprintf(stderr, "%s: server failed to initialise\n", argv0);
- goto custom_fail;
- }
- stage++;
-
- for (i = 0; i < crtcs_n; i++)
- if (!strcmp(crtcs[i], "?"))
- {
- if (argc > 0)
- usage();
- switch (list_crtcs())
- {
- case 0:
- goto done;
- case -1:
- goto fail;
- default:
- goto cg_fail;
- }
- }
-
- if (argc == 0)
- usage();
-
- if (crtcs_n == 0)
- {
- crtcs = crtcs_ = libcoopgamma_get_crtcs_sync(&cg);
- if (crtcs == NULL)
- goto cg_fail;
- }
- else
- crtcs[crtcs_n] = NULL;
-
- if (libcoopgamma_set_nonblocking(&cg, 1) < 0)
- goto fail;
-
- switch (remove_filters(crtcs, argv))
- {
- case 0:
- break;
- case -1:
- goto fail;
- default:
- goto cg_fail;
- }
-
- done:
- if (stage >= 1)
- libcoopgamma_context_destroy(&cg, stage >= 2);
- free(crtcs_);
- return rc;
-
- custom_fail:
- rc = 1;
- goto done;
-
- fail:
- rc = 1;
- perror(argv0);
- goto done;
-
- cg_fail:
- rc = 1;
- {
- const char* side = cg.error.server_side ? "server" : "client";
- if (cg.error.custom)
- {
- if ((cg.error.number != 0) || (cg.error.description != NULL))
- fprintf(stderr, "%s: %s-side error number %" PRIu64 ": %s\n",
- argv0, side, cg.error.number, cg.error.description);
- else if (cg.error.number != 0)
- fprintf(stderr, "%s: %s-side error number %" PRIu64 "\n", argv0, side, cg.error.number);
- else if (cg.error.description != NULL)
- fprintf(stderr, "%s: %s-side error: %s\n", argv0, side, cg.error.description);
- }
- else if (cg.error.description != NULL)
- fprintf(stderr, "%s: %s-side error: %s\n", argv0, side, cg.error.description);
- else
- fprintf(stderr, "%s: %s-side error: %s\n", argv0, side, strerror(cg.error.number));
- }
- goto done;
-}
-
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-25 06:51:05 +0000