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Merge "add killProcessGroupOnce"

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am: c8a575588a

Change-Id: I5382136149b2d7916fe3d891fe04fd79ade97bb2
This commit is contained in:
Keun-young Park 2017-03-30 01:55:24 +00:00 committed by android-build-merger
commit d140cc9bf3
2 changed files with 13 additions and 6 deletions
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2
libprocessgroup/include/processgroup/processgroup.h
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@ -24,6 +24,8 @@ __BEGIN_DECLS
int killProcessGroup(uid_t uid, int initialPid, int signal);
int killProcessGroupOnce(uid_t uid, int initialPid, int signal);
int createProcessGroup(uid_t uid, int initialPid);
void removeAllProcessGroups(void);

17
libprocessgroup/processgroup.cpp
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@ -252,8 +252,7 @@ void removeAllProcessGroups()
}
}
static int killProcessGroupOnce(uid_t uid, int initialPid, int signal)
{
static int doKillProcessGroupOnce(uid_t uid, int initialPid, int signal) {
int processes = 0;
struct ctx ctx;
pid_t pid;
@ -282,13 +281,11 @@ static int killProcessGroupOnce(uid_t uid, int initialPid, int signal)
return processes;
}
int killProcessGroup(uid_t uid, int initialPid, int signal)
{
static int killProcessGroup(uid_t uid, int initialPid, int signal, int retry) {
std::chrono::steady_clock::time_point start = std::chrono::steady_clock::now();
int retry = 40;
int processes;
while ((processes = killProcessGroupOnce(uid, initialPid, signal)) > 0) {
while ((processes = doKillProcessGroupOnce(uid, initialPid, signal)) > 0) {
LOG(VERBOSE) << "killed " << processes << " processes for processgroup " << initialPid;
if (retry > 0) {
std::this_thread::sleep_for(5ms);
@ -313,6 +310,14 @@ int killProcessGroup(uid_t uid, int initialPid, int signal)
}
}
int killProcessGroup(uid_t uid, int initialPid, int signal) {
return killProcessGroup(uid, initialPid, signal, 40 /*maxRetry*/);
}
int killProcessGroupOnce(uid_t uid, int initialPid, int signal) {
return killProcessGroup(uid, initialPid, signal, 0 /*maxRetry*/);
}
static bool mkdirAndChown(const char *path, mode_t mode, uid_t uid, gid_t gid)
{
if (mkdir(path, mode) == -1 && errno != EEXIST) {