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