diff options
Diffstat (limited to 'libc/bionic/cpuacct.c')
-rw-r--r-- | libc/bionic/cpuacct.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libc/bionic/cpuacct.c b/libc/bionic/cpuacct.c new file mode 100644 index 0000000..abdbc51 --- /dev/null +++ b/libc/bionic/cpuacct.c @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +#include <unistd.h> +#include <stdio.h> +#include <errno.h> +#include <sys/stat.h> +//#include <sys/types.h> + +int cpuacct_add(uid_t uid) +{ + int count; + FILE *fp; + char buf[80]; + + count = snprintf(buf, sizeof(buf), "/acct/uid/%d/tasks", uid); + fp = fopen(buf, "w+"); + if (!fp) { + /* Note: sizeof("tasks") returns 6, which includes the NULL char */ + buf[count - sizeof("tasks")] = 0; + if (mkdir(buf, 0775) < 0) + return -errno; + + /* Note: sizeof("tasks") returns 6, which includes the NULL char */ + buf[count - sizeof("tasks")] = '/'; + fp = fopen(buf, "w+"); + } + if (!fp) + return -errno; + + fprintf(fp, "0"); + if (fclose(fp)) + return -errno; + + return 0; +} |