Clean up the cpuacct cruft.

Change-Id: I6ed63af8dfc2368e211420389fa8af4d5dc0908f

8 files changed, 29 insertions, 266 deletions

diff --git a/libc/bionic/cpuacct.c b/libc/bionic/cpuacct.c
deleted file mode 100644
index 1321d0e..0000000
--- a/libc/bionic/cpuacct.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * 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 "cpuacct.h"
-#include <fcntl.h>
-
-int cpuacct_add(uid_t uid)
-{
-    int count;
-    int fd;
-    char buf[80];
-    ssize_t n;
-    int ret = 0;
-
-    count = snprintf(buf, sizeof(buf), "/acct/uid/%d/tasks", uid);
-    fd = open(buf, O_RDWR | O_CREAT, 0666);
-    if (fd == -1) {
-        /* 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")] = '/';
-        fd = open(buf, O_RDWR | O_CREAT, 0666);
-    }
-    if (fd == -1)
-        return -errno;
-
-    n = TEMP_FAILURE_RETRY(write(fd, "0", 1));
-    if (n < 0)
-        ret = -errno;
-    else if (n == 0)
-        ret = -EIO;
-
-    if (TEMP_FAILURE_RETRY(close(fd)) == -1)
-        return -errno;
-
-    return ret;
-}
diff --git a/libc/bionic/cpuacct.h b/libc/bionic/cpuacct.h
deleted file mode 100644
index 8e24c8c..0000000
--- a/libc/bionic/cpuacct.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef _BIONIC_CPUACCT_H
-#define _BIONIC_CPUACCT_H
-
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-__BEGIN_DECLS
-
-extern int cpuacct_add(uid_t uid);
-
-__END_DECLS
-
-#endif /* _BIONIC_CPUACCT_H */
diff --git a/libc/bionic/fork.c b/libc/bionic/fork.c
deleted file mode 100644
index d30b41b..0000000
--- a/libc/bionic/fork.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2008 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 "pthread_internal.h"
-#include "cpuacct.h"
-
-#include "private/bionic_pthread.h"
-
-extern int  __fork(void);
-
-int  fork(void)
-{
-    int  ret;
-
-    /* Posix mandates that the timers of a fork child process be
-     * disarmed, but not destroyed. To avoid a race condition, we're
-     * going to stop all timers now, and only re-start them in case
-     * of error, or in the parent process
-     */
-    __timer_table_start_stop(1);
-    __bionic_atfork_run_prepare();
-
-    ret = __fork();
-    if (ret != 0) {  /* not a child process */
-        __timer_table_start_stop(0);
-        __bionic_atfork_run_parent();
-    } else {
-        // Fix the tid in the pthread_internal_t struct after a fork.
-        __pthread_settid(pthread_self(), gettid());
-
-        /*
-         * Newly created process must update cpu accounting.
-         * Call cpuacct_add passing in our uid, which will take
-         * the current task id and add it to the uid group passed
-         * as a parameter.
-         */
-        cpuacct_add(getuid());
-        __bionic_atfork_run_child();
-    }
-    return ret;
-}
diff --git a/libc/bionic/setresuid.c b/libc/bionic/fork.cpp
index e62b3e9..a3bea20 100644
--- a/libc/bionic/setresuid.c
+++ b/libc/bionic/fork.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 The Android Open Source Project
+ * Copyright (C) 2008 The Android Open Source Project
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -25,14 +25,30 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+
 #include <unistd.h>
-#include "cpuacct.h"
+#include "pthread_internal.h"
+
+#include "private/bionic_pthread.h"
 
-extern int __setresuid(uid_t ruid, uid_t euid, uid_t suid);
+extern "C" int __fork();
 
-int setresuid(uid_t ruid, uid_t euid, uid_t suid)
-{
-    cpuacct_add(euid);
-    return __setresuid(ruid, euid, suid);
+int fork() {
+  // POSIX mandates that the timers of a fork child process be
+  // disarmed, but not destroyed. To avoid a race condition, we're
+  // going to stop all timers now, and only re-start them in case
+  // of error, or in the parent process
+  __timer_table_start_stop(1);
+  __bionic_atfork_run_prepare();
 
+  int result = __fork();
+  if (result != 0) {  // Not a child process.
+    __timer_table_start_stop(0);
+    __bionic_atfork_run_parent();
+  } else {
+    // Fix the tid in the pthread_internal_t struct after a fork.
+    __pthread_settid(pthread_self(), gettid());
+    __bionic_atfork_run_child();
+  }
+  return result;
 }
diff --git a/libc/bionic/setegid.c b/libc/bionic/setegid.cpp
index 9bd697b..2030ee7 100644
--- a/libc/bionic/setegid.c
+++ b/libc/bionic/setegid.cpp
@@ -25,9 +25,9 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+
 #include <unistd.h>
 
-int setegid(gid_t egid)
-{
-    return setresgid(-1, egid, -1);
+int setegid(gid_t egid) {
+  return setresgid(-1, egid, -1);
 }
diff --git a/libc/bionic/seteuid.c b/libc/bionic/seteuid.cpp
index b3ea372..6d2c89c 100644
--- a/libc/bionic/seteuid.c
+++ b/libc/bionic/seteuid.cpp
@@ -25,13 +25,9 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-#include <unistd.h>
-#include "cpuacct.h"
 
-extern int __setresuid(uid_t, uid_t, uid_t);
+#include <unistd.h>
 
-int seteuid(uid_t euid)
-{
-    cpuacct_add(euid);
-    return __setresuid(-1, euid,-1);
+int seteuid(uid_t euid) {
+  return setresuid(-1, euid,-1);
 }
diff --git a/libc/bionic/setreuid.c b/libc/bionic/setreuid.c
deleted file mode 100644
index 32e70c8..0000000
--- a/libc/bionic/setreuid.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * 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 "cpuacct.h"
-
-extern int __setreuid(uid_t ruid, uid_t euid);
-
-int setreuid(uid_t ruid, uid_t euid)
-{
-    cpuacct_add(euid);
-    return __setreuid(ruid, euid);
-}
diff --git a/libc/bionic/setuid.c b/libc/bionic/setuid.c
deleted file mode 100644
index 30785d6..0000000
--- a/libc/bionic/setuid.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * 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 "cpuacct.h"
-
-extern int __setuid(uid_t);
-
-int setuid(uid_t uid)
-{
-    cpuacct_add(uid);
-    return __setuid(uid);
-}