From 47e6e7c84f008a53061e661f31ae96629bc694ef Mon Sep 17 00:00:00 2001 From: Igor Pashev Date: Sun, 26 Oct 2014 12:33:50 +0400 Subject: Debian 3.9.10 --- src/pmdas/linux/sem_limits.c | 51 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 src/pmdas/linux/sem_limits.c (limited to 'src/pmdas/linux/sem_limits.c') diff --git a/src/pmdas/linux/sem_limits.c b/src/pmdas/linux/sem_limits.c new file mode 100644 index 0000000..24e336e --- /dev/null +++ b/src/pmdas/linux/sem_limits.c @@ -0,0 +1,51 @@ +/* + * Copyright (c) International Business Machines Corp., 2002 + * This code contributed by Mike Mason + * + * 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. + */ + +#define __USE_GNU 1 /* required for IPC_INFO define */ +#include +#include + +#include "pmapi.h" +#include "sem_limits.h" + +int +refresh_sem_limits(sem_limits_t *sem_limits) +{ + static int started; + static struct seminfo seminfo; + static union semun arg; + + if (!started) { + started = 1; + memset(sem_limits, 0, sizeof(sem_limits_t)); + arg.array = (unsigned short *) &seminfo; + } + + if (semctl(0, 0, IPC_INFO, arg) < 0) { + return -oserror(); + } + + sem_limits->semmap = seminfo.semmap; + sem_limits->semmni = seminfo.semmni; + sem_limits->semmns = seminfo.semmns; + sem_limits->semmnu = seminfo.semmnu; + sem_limits->semmsl = seminfo.semmsl; + sem_limits->semopm = seminfo.semopm; + sem_limits->semume = seminfo.semume; + sem_limits->semusz = seminfo.semusz; + sem_limits->semvmx = seminfo.semvmx; + sem_limits->semaem = seminfo.semaem; + return 0; +} -- cgit v1.2.3