1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mozglue/build/cpuacct.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,61 @@
1.4 +/*
1.5 + * Copyright (C) 2010 The Android Open Source Project
1.6 + * All rights reserved.
1.7 + *
1.8 + * Redistribution and use in source and binary forms, with or without
1.9 + * modification, are permitted provided that the following conditions
1.10 + * are met:
1.11 + * * Redistributions of source code must retain the above copyright
1.12 + * notice, this list of conditions and the following disclaimer.
1.13 + * * Redistributions in binary form must reproduce the above copyright
1.14 + * notice, this list of conditions and the following disclaimer in
1.15 + * the documentation and/or other materials provided with the
1.16 + * distribution.
1.17 + *
1.18 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.19 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.20 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
1.21 + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
1.22 + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
1.23 + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
1.24 + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
1.25 + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
1.26 + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
1.27 + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
1.28 + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.29 + * SUCH DAMAGE.
1.30 + */
1.31 +#include <unistd.h>
1.32 +#include <errno.h>
1.33 +#include <sys/stat.h>
1.34 +#include <fcntl.h>
1.35 +#include <stdio.h>
1.36 +#include "cpuacct.h"
1.37 +
1.38 +int cpuacct_add(uid_t uid)
1.39 +{
1.40 + int count;
1.41 + int fd;
1.42 + char buf[80];
1.43 +
1.44 + count = snprintf(buf, sizeof(buf), "/acct/uid/%d/tasks", uid);
1.45 + fd = open(buf, O_RDWR|O_CREAT|O_TRUNC|O_SYNC);
1.46 + if (fd < 0) {
1.47 + /* Note: sizeof("tasks") returns 6, which includes the NULL char */
1.48 + buf[count - sizeof("tasks")] = 0;
1.49 + if (mkdir(buf, 0775) < 0)
1.50 + return -errno;
1.51 +
1.52 + /* Note: sizeof("tasks") returns 6, which includes the NULL char */
1.53 + buf[count - sizeof("tasks")] = '/';
1.54 + fd = open(buf, O_RDWR|O_CREAT|O_TRUNC|O_SYNC);
1.55 + }
1.56 + if (fd < 0)
1.57 + return -errno;
1.58 +
1.59 + write(fd, "0", 2);
1.60 + if (close(fd))
1.61 + return -errno;
1.62 +
1.63 + return 0;
1.64 +}
