Merge "Add more logging for dup(fd) failure" into lmp-dev

#include <private/binder/binder_module.h>

#include <fcntl.h>

#include <inttypes.h>

#include <stdio.h>

#include <stdlib.h>

    status_t err = NO_ERROR;

    for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) {

        fds[i] = dup(this->readFileDescriptor());

        int oldfd = this->readFileDescriptor();

        fds[i] = dup(oldfd);

        if (fds[i] < 0) {

            int dupErrno = errno;

            err = BAD_VALUE;

            ALOGE("dup() failed in Parcel::read, i is %zu, fds[i] is %d, fd_count is %zu, error: %s",

                i, fds[i], fd_count, strerror(errno));

            int flags = fcntl(oldfd, F_GETFD);

            int fcntlErrno = errno;

            const flat_binder_object* flat = readObject(true);

            ALOGE("dup failed in Parcel::read, fd %zu of %zu\n"

                "  dup(%d) = %d [errno: %d (%s)]\n"

                "  fcntl(%d, F_GETFD) = %d [errno: %d (%s)]\n"

                "  flat %p type %d",

                i, fd_count,

                oldfd, fds[i], dupErrno, strerror(dupErrno),

                oldfd, flags, fcntlErrno, strerror(fcntlErrno),

                flat, flat ? flat->type : 0);

        }

    }