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c wrapper for SetProcessProfiles

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The wrapper is to call SetProcessFiles (C++ API) from crosvm via FFI.

Bug: 223790172
Bug: 216788146
Test: m

Change-Id: If342ca0d19deb1cb7ee581bba2cc543385199cbe
This commit is contained in:
Jiyong Park 2022-04-01 12:24:22 +09:00
parent 9c822b55e0
commit 8bf5940012
1 changed files with 14 additions and 0 deletions
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14
libprocessgroup/processgroup.cpp
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@ -159,6 +159,20 @@ bool SetTaskProfiles(int tid, const std::vector<std::string>& profiles, bool use
return TaskProfiles::GetInstance().SetTaskProfiles(tid, profiles, use_fd_cache);
}
// C wrapper for SetProcessProfiles.
// No need to have this in the header file because this function is specifically for crosvm. Crosvm
// which is written in Rust has its own declaration of this foreign function and doesn't rely on the
// header. See
// https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3574427/5/src/linux/android.rs#12
extern "C" bool android_set_process_profiles(uid_t uid, pid_t pid, size_t num_profiles,
const char* profiles[]) {
std::vector<std::string> profiles_(num_profiles);
for (size_t i = 0; i < num_profiles; i++) {
profiles_.emplace_back(profiles[i]);
}
return SetProcessProfiles(uid, pid, profiles_);
}
static std::string ConvertUidToPath(const char* cgroup, uid_t uid) {
return StringPrintf("%s/uid_%d", cgroup, uid);
}