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Introduce Invincible Mode: Self recover service

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topjohnwu
2017-10-08 22:00:22 +08:00
parent 60181c4fcb
commit 03c8d716cc
10 changed files with 88 additions and 107 deletions
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21
jni/utils/misc.c
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@@ -167,32 +167,25 @@ void ps_filter_proc_name(const char *pattern, void (*func)(int)) {
ps(proc_name_filter);
}
#define DEV_BLOCK "/dev/block"
void unlock_blocks() {
char path[PATH_MAX];
DIR *dir;
struct dirent *entry;
int fd, OFF = 0;
int fd, dev, OFF = 0;
if (!(dir = xopendir(DEV_BLOCK)))
if ((dev = xopen("/dev/block", O_RDONLY | O_CLOEXEC)) < 0)
return;
dir = fdopendir(dev);
while((entry = readdir(dir))) {
if (entry->d_type == DT_BLK &&
strstr(entry->d_name, "ram") == NULL &&
strstr(entry->d_name, "loop") == NULL) {
snprintf(path, sizeof(path), "%s/%s", DEV_BLOCK, entry->d_name);
if ((fd = xopen(path, O_RDONLY)) < 0)
if (entry->d_type == DT_BLK) {
if ((fd = openat(dev, entry->d_name, O_RDONLY)) < 0)
continue;
if (ioctl(fd, BLKROSET, &OFF) == -1)
PLOGE("unlock %s", path);
PLOGE("unlock %s", entry->d_name);
close(fd);
}
}
closedir(dir);
close(dev);
}
void setup_sighandlers(void (*handler)(int)) {