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Diffstat (limited to 'src/pmdas/linux/sem_limits.h')
| -rw-r--r-- | src/pmdas/linux/sem_limits.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/pmdas/linux/sem_limits.h b/src/pmdas/linux/sem_limits.h new file mode 100644 index 0000000..ef0694e --- /dev/null +++ b/src/pmdas/linux/sem_limits.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) International Business Machines Corp., 2002 + * + * 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 2 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, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * This code contributed by Mike Mason (mmlnx@us.ibm.com) + */ + +#ifdef _SEM_SEMUN_UNDEFINED +/* glibc 2.1 no longer defines semun, instead it defines + * _SEM_SEMUN_UNDEFINED so users can define semun on their own. + */ +union semun { + int val; + struct semid_ds *buf; + unsigned short int *array; + struct seminfo *__buf; +}; +#endif + +typedef struct { + unsigned int semmap; /* # of entries in semaphore map */ + unsigned int semmni; /* max # of semaphore identifiers */ + unsigned int semmns; /* max # of semaphores in system */ + unsigned int semmnu; /* num of undo structures system wide */ + unsigned int semmsl; /* max num of semaphores per id */ + unsigned int semopm; /* max num of ops per semop call */ + unsigned int semume; /* max num of undo entries per process */ + unsigned int semusz; /* sizeof struct sem_undo */ + unsigned int semvmx; /* semaphore maximum value */ + unsigned int semaem; /* adjust on exit max value */ +} sem_limits_t; + +extern int refresh_sem_limits(sem_limits_t*); + |