diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_loadavg.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_loadavg.c.svn-base | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_loadavg.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_loadavg.c.svn-base deleted file mode 100644 index 690199ca..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/plugin_loadavg.c.svn-base +++ /dev/null @@ -1,141 +0,0 @@ -/* $Id$ - * $URL$ - * - * plugin for load average - * - * Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at> - * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> - * - * This file is part of LCD4Linux. - * - * LCD4Linux 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 2, or (at your option) - * any later version. - * - * LCD4Linux 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, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * exported functions: - * - * int plugin_init_loadavg (void) - * adds functions for load average - * - */ - - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/time.h> -#include <fcntl.h> - -#include "debug.h" -#include "plugin.h" - -#ifndef HAVE_GETLOADAVG -static int fd = -2; - -int getloadavg(double loadavg[], int nelem) -{ - char buf[65], *p; - ssize_t nread; - int i; - - if (fd == -2) - fd = open("/proc/loadavg", O_RDONLY); - if (fd < 0) - return -1; - - lseek(fd, 0, SEEK_SET); - nread = read(fd, buf, sizeof buf - 1); - - if (nread < 0) - return -1; - buf[nread - 1] = '\0'; - - if (nelem > 3) - nelem = 3; - p = buf; - for (i = 0; i < nelem; ++i) { - char *endp; - loadavg[i] = strtod(p, &endp); - if (endp == NULL || endp == p) - /* This should not happen. The format of /proc/loadavg - must have changed. Don't return with what we have, - signal an error. */ - return -1; - p = endp; - } - - return i; -} - -#endif - - -static void my_loadavg(RESULT * result, RESULT * arg1) -{ - static int nelem = -1; - int index, age; - static double loadavg[3]; - static struct timeval last_value; - struct timeval now; - - gettimeofday(&now, NULL); - - age = (now.tv_sec - last_value.tv_sec) * 1000 + (now.tv_usec - last_value.tv_usec) / 1000; - /* reread every 10 msec only */ - if (nelem == -1 || age == 0 || age > 10) { - - nelem = getloadavg(loadavg, 3); - if (nelem < 0) { - error("getloadavg() failed!"); - SetResult(&result, R_STRING, ""); - return; - } - last_value = now; - } - - index = R2N(arg1); - if (index < 1 || index > nelem) { - error("loadavg(%d): index out of range!", index); - SetResult(&result, R_STRING, ""); - return; - } - - - SetResult(&result, R_NUMBER, &(loadavg[index - 1])); - return; - -} - -int plugin_init_loadavg(void) -{ - AddFunction("loadavg", 1, my_loadavg); - return 0; -} - -void plugin_exit_loadavg(void) -{ -#ifndef HAVE_GETLOADAVG - if (fd > 0) - close(fd); - fd = -2; -#endif -} |
