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Commit 8bf59400 authored by Jiyong Park's avatar Jiyong Park
Browse files

c wrapper for SetProcessProfiles 

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

Bug: 223790172
Bug: 216788146
Test: m

Change-Id: If342ca0d19deb1cb7ee581bba2cc543385199cbe
parent 9c822b55

libprocessgroup/processgroup.cpp

+14 −0
Original line number Diff line number Diff line
@@ -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);

}