Merge "atrace: don't use sendfile."

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/sendfile.h>

#include <time.h>

#include <unistd.h>

#include <zlib.h>

            fprintf(stderr, "error cleaning up zlib: %d\n", result);

        }

    } else {

        ssize_t sent = 0;

        while ((sent = sendfile(outFd, traceFD, NULL, 64*1024*1024)) > 0);

        if (sent == -1) {

            fprintf(stderr, "error dumping trace: %s (%d)\n", strerror(errno),

                    errno);

        char buf[4096];

        ssize_t rc;

        while ((rc = TEMP_FAILURE_RETRY(read(traceFD, buf, sizeof(buf)))) > 0) {

            if (!android::base::WriteFully(outFd, buf, rc)) {

                fprintf(stderr, "error writing trace: %s\n", strerror(errno));

                break;

            }

        }

        if (rc == -1) {

            fprintf(stderr, "error dumping trace: %s\n", strerror(errno));

        }

    }