http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/clplumbing/realtime.h

/* $Id: realtime.h,v 1.9 2005/07/28 08:20:05 sunjd Exp $ */ /* * This 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. * * This 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 this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef _CLPLUMBING_REALTIME_H # define _CLPLUMBING_REALTIME_H # include <sched.h> /* * * make_realtime() will make the current process a soft realtime process * and lock it into memory after growing the heap by heapgrowK*1024 bytes * * If you set spolicy or priority to <= 0, then defaults will be used. * Otherwise you need to use a value for spolicy from <sched.h> * and use an appropriate priority for the given spolicy. * * WARNING: badly behaved programs which use the make_realtime() function * can easily hang the machine. */ void cl_make_realtime ( int spolicy, /* SCHED_RR or SCHED_FIFO (or SCHED_OTHER) */ int priority, /* typically 1-99 */ int stackgrowK, /* Amount to grow stack by */ int heapgrowK /* Amount to grow heap by */ ); void cl_make_normaltime(void); /* Cause calls to make_realtime() to be ignored */ void cl_disable_realtime(void); /* Cause calls to make_realtime() to be accepted. * This is the default behaviour */ void cl_enable_realtime(void); /* Sleep a really short (the shortest) time */ int cl_shortsleep(void); /* Print messages if we've done (more) non-realtime mallocs */ void cl_realtime_malloc_check(void); /* Number of times we "go to the well" for memory after becoming realtime */ int cl_nonrealtime_malloc_count(void); /* Number of bytes we "got from the well" for memory after becoming realtime */ unsigned long cl_nonrealtime_malloc_size(void); #endif