Home | History | Annotate | Download | only in processgroup
      1 /*
      2  *  Copyright 2014 Google, Inc
      3  *
      4  *  Licensed under the Apache License, Version 2.0 (the "License");
      5  *  you may not use this file except in compliance with the License.
      6  *  You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  *  Unless required by applicable law or agreed to in writing, software
     11  *  distributed under the License is distributed on an "AS IS" BASIS,
     12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  *  See the License for the specific language governing permissions and
     14  *  limitations under the License.
     15  */
     16 
     17 #ifndef _PROCESSGROUP_H_
     18 #define _PROCESSGROUP_H_
     19 
     20 #include <sys/cdefs.h>
     21 #include <sys/types.h>
     22 
     23 __BEGIN_DECLS
     24 
     25 // Return 0 and removes the cgroup if there are no longer any processes in it.
     26 // Returns -1 in the case of an error occurring or if there are processes still running
     27 // even after retrying for up to 200ms.
     28 int killProcessGroup(uid_t uid, int initialPid, int signal);
     29 
     30 // Returns the same as killProcessGroup(), however it does not retry, which means
     31 // that it only returns 0 in the case that the cgroup exists and it contains no processes.
     32 int killProcessGroupOnce(uid_t uid, int initialPid, int signal);
     33 
     34 int createProcessGroup(uid_t uid, int initialPid);
     35 
     36 bool setProcessGroupSwappiness(uid_t uid, int initialPid, int swappiness);
     37 bool setProcessGroupSoftLimit(uid_t uid, int initialPid, int64_t softLimitInBytes);
     38 bool setProcessGroupLimit(uid_t uid, int initialPid, int64_t limitInBytes);
     39 
     40 void removeAllProcessGroups(void);
     41 
     42 __END_DECLS
     43 
     44 #endif
     45