// hunt down and kill processes that have files open on the given mount point
void Process::killProcessesWithOpenFiles(const char *path, int action) {
DIR* dir;
struct dirent* de;
if (!(dir = opendir("/proc"))) {
SLOGE("opendir failed (%s)", strerror(errno));
return;
}
LOGE("(%s) (%d)", path, action);
while ((de = readdir(dir))) {
int killed = 0;
int pid = getPid(de->d_name);
char name[PATH_MAX];
if (pid == -1)
continue;
getProcessName(pid, name, sizeof(name));
char openfile[PATH_MAX];
if (checkFileDescriptorSymLinks(pid, path, openfile, sizeof(openfile))) {
LOGE("Process %s (%d) has open file %s", name, pid, openfile);
killed = 1;
} else if (checkFileMaps(pid, path, openfile, sizeof(openfile))) {
LOGE("Process %s (%d) has open filemap for %s", name, pid, openfile);
killed = 1;
} else if (checkSymLink(pid, path, "cwd")) {
LOGE("Process %s (%d) has cwd within %s", name, pid, path);
killed = 1;
} else if (checkSymLink(pid, path, "root")) {
LOGE("Process %s (%d) has chroot within %s", name, pid, path);
killed = 1;
} else if (checkSymLink(pid, path, "exe")) {
LOGE("Process %s (%d) has executable path within %s", name, pid, path);
} else {
// continue;
}
#if 1
if( (!strcmp("android.process.media", name) && (strcmp("/mnt/extsd", path)) ) || killed == 1) {
if (action == 1) {
LOGE("Sending SIGHUP to process %d", pid);
kill(pid, SIGTERM);
} else if (action == 2) {
LOGE("Sending SIGKILL to process %d", pid);
kill(pid, SIGKILL);
}
}
#else
if (action == 1) {
SLOGE("Sending SIGHUP to process %d", pid);
kill(pid, SIGTERM);
} else if (action == 2) {
SLOGE("Sending SIGKILL to process %d", pid);
kill(pid, SIGKILL);
}
#endif
}
closedir(dir);
}
/*
* Hunt down processes that have files open at the given mount point.
*/
void Process::killProcessesWithOpenFiles(const char *path, int signal) {
DIR* dir;
struct dirent* de;
if (!(dir = opendir("/proc"))) {
SLOGE("opendir failed (%s)", strerror(errno));
return;
}
while ((de = readdir(dir))) {
int pid = getPid(de->d_name);
char name[PATH_MAX];
if (pid == -1)
continue;
getProcessName(pid, name, sizeof(name));
char openfile[PATH_MAX];
if (checkFileDescriptorSymLinks(pid, path, openfile, sizeof(openfile))) {
SLOGE("Process %s (%d) has open file %s", name, pid, openfile);
} else if (checkFileMaps(pid, path, openfile, sizeof(openfile))) {
SLOGE("Process %s (%d) has open filemap for %s", name, pid, openfile);
} else if (checkSymLink(pid, path, "cwd")) {
SLOGE("Process %s (%d) has cwd within %s", name, pid, path);
} else if (checkSymLink(pid, path, "root")) {
SLOGE("Process %s (%d) has chroot within %s", name, pid, path);
} else if (checkSymLink(pid, path, "exe")) {
SLOGE("Process %s (%d) has executable path within %s", name, pid, path);
} else {
continue;
}
if (signal != 0) {
SLOGW("Sending %s to process %d", strsignal(signal), pid);
kill(pid, signal);
}
}
closedir(dir);
}
int Process::checkFileMaps(int pid, const char *mountPoint) {
return checkFileMaps(pid, mountPoint, NULL, 0);
}
