/* Determine various system internal values, Linux/Alpha version. Copyright (C) 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Schwab The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ /* We need to define a special parser for /proc/cpuinfo. */ #define GET_NPROCS_PARSER(FD, BUFFER, CP, RE, BUFFER_END, RESULT) \ do \ { \ /* Find the line that contains the information about the number of \ active cpus. We don't have to fear extremely long lines since \ the kernel will not generate them. 8192 bytes are really enough. \ If there is no "CPUs ..." line then we are on a UP system. */ \ char *l; \ (RESULT) = 1; \ while ((l = next_line (FD, BUFFER, &CP, &RE, BUFFER_END)) != NULL) \ if ((sscanf (BUFFER, "cpus active : %d", &(RESULT)) == 1) \ || (sscanf (BUFFER, "CPUs probed %*d active %d", \ &(RESULT)) == 1)) \ break; \ } \ while (0) /* On the Alpha we can distinguish between the number of configured and active cpus. */ #define GET_NPROCS_CONF_PARSER(FP, BUFFER, RESULT) \ do \ { \ /* Find the line that contains the information about the number of \ probed cpus. We don't have to fear extremely long lines since \ the kernel will not generate them. 8192 bytes are really enough. \ If there is no "CPUs ..." line then we are on a UP system. */ \ (RESULT) = 1; \ while (fgets_unlocked ((BUFFER), sizeof (BUFFER), (FP)) != NULL) \ if ((sscanf (buffer, "cpus detected : %d", &(RESULT)) == 1) \ || (sscanf (buffer, "CPUs probed %d", &(RESULT)) == 1)) \ break; \ } \ while (0) #include