projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| d54eed1a UD |
1 | /* Determine various system internal values, Linux/Alpha version. |
| 2 | Copyright (C) 1999 Free Software Foundation, Inc. | |
| 3 | This file is part of the GNU C Library. | |
| 4 | Contributed by Andreas Schwab <schwab@suse.de> | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Library General Public License as | |
| 8 | published by the Free Software Foundation; either version 2 of the | |
| 9 | License, or (at your option) any later version. | |
| 10 | ||
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | Library General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Library General Public | |
| 17 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
| 18 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 | Boston, MA 02111-1307, USA. */ | |
| 20 | ||
| 21 | ||
| 22 | /* We need to define a special parser for /proc/cpuinfo. */ | |
| bad8d32c UD |
23 | #define GET_NPROCS_PARSER(FP, BUFFER, RESULT) \ |
| 24 | do \ | |
| 25 | { \ | |
| 26 | /* Find the line that contains the information about the number of \ | |
| 27 | active cpus. We don't have to fear extremely long lines since \ | |
| 28 | the kernel will not generate them. 8192 bytes are really enough. \ | |
| 29 | If there is no "CPUs ..." line then we are on a UP system. */ \ | |
| 30 | (RESULT) = 1; \ | |
| 31 | while (fgets_unlocked (BUFFER, sizeof (BUFFER), FP) != NULL) \ | |
| 4adec71e UD |
32 | if ((sscanf (BUFFER, "cpus active : %d", &(RESULT)) == 1) \ |
| 33 | || (sscanf (BUFFER, "CPUs probed %*d active %d", \ | |
| 34 | &(RESULT)) == 1)) \ | |
| bad8d32c UD |
35 | break; \ |
| 36 | } \ | |
| d54eed1a UD |
37 | while (0) |
| 38 | ||
| 39 | ||
| 40 | /* On the Alpha we can distinguish between the number of configured and | |
| 41 | active cpus. */ | |
| bad8d32c UD |
42 | #define GET_NPROCS_CONF_PARSER(FP, BUFFER, RESULT) \ |
| 43 | do \ | |
| 44 | { \ | |
| 45 | /* Find the line that contains the information about the number of \ | |
| 46 | probed cpus. We don't have to fear extremely long lines since \ | |
| 47 | the kernel will not generate them. 8192 bytes are really enough. \ | |
| 48 | If there is no "CPUs ..." line then we are on a UP system. */ \ | |
| 49 | (RESULT) = 1; \ | |
| 50 | while (fgets_unlocked ((BUFFER), sizeof (BUFFER), (FP)) != NULL) \ | |
| 4adec71e UD |
51 | if ((sscanf (buffer, "cpus detected : %d", &(RESULT)) == 1) \ |
| 52 | || (sscanf (buffer, "CPUs probed %d", &(RESULT)) == 1)) \ | |
| bad8d32c UD |
53 | break; \ |
| 54 | } \ | |
| d54eed1a UD |
55 | while (0) |
| 56 | ||
| 57 | #include <sysdeps/unix/sysv/linux/getsysstats.c> |