bonic: libc: cpuacct support for setuid functions

Any of the setuid functions now updates /acct/uid/ with its own tid
before changing users. This is so we can properly account for cpu time
per uid.

Change-Id: I34186cf4d5228cac8439e582a9e26c01ef3011e4
Signed-off-by: Mike Chan <mike@android.com>
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 3020930..4a8caac 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -6,7 +6,7 @@
 syscall_src += arch-arm/syscalls/waitid.S
 syscall_src += arch-arm/syscalls/__sys_clone.S
 syscall_src += arch-arm/syscalls/execve.S
-syscall_src += arch-arm/syscalls/setuid.S
+syscall_src += arch-arm/syscalls/__setuid.S
 syscall_src += arch-arm/syscalls/getuid.S
 syscall_src += arch-arm/syscalls/getgid.S
 syscall_src += arch-arm/syscalls/geteuid.S
@@ -19,8 +19,8 @@
 syscall_src += arch-arm/syscalls/getppid.S
 syscall_src += arch-arm/syscalls/setsid.S
 syscall_src += arch-arm/syscalls/setgid.S
-syscall_src += arch-arm/syscalls/setreuid.S
-syscall_src += arch-arm/syscalls/setresuid.S
+syscall_src += arch-arm/syscalls/__setreuid.S
+syscall_src += arch-arm/syscalls/__setresuid.S
 syscall_src += arch-arm/syscalls/setresgid.S
 syscall_src += arch-arm/syscalls/__brk.S
 syscall_src += arch-arm/syscalls/__ptrace.S
diff --git a/libc/arch-arm/syscalls/setresuid.S b/libc/arch-arm/syscalls/__setresuid.S
similarity index 81%
rename from libc/arch-arm/syscalls/setresuid.S
rename to libc/arch-arm/syscalls/__setresuid.S
index 266c1a1..7710772 100644
--- a/libc/arch-arm/syscalls/setresuid.S
+++ b/libc/arch-arm/syscalls/__setresuid.S
@@ -2,12 +2,12 @@
 #include <sys/linux-syscalls.h>
 
     .text
-    .type setresuid, #function
-    .globl setresuid
+    .type __setresuid, #function
+    .globl __setresuid
     .align 4
     .fnstart
 
-setresuid:
+__setresuid:
     .save   {r4, r7}
     stmfd   sp!, {r4, r7}
     ldr     r7, =__NR_setresuid32
diff --git a/libc/arch-arm/syscalls/setreuid.S b/libc/arch-arm/syscalls/__setreuid.S
similarity index 82%
rename from libc/arch-arm/syscalls/setreuid.S
rename to libc/arch-arm/syscalls/__setreuid.S
index 0f94b47..0c68866 100644
--- a/libc/arch-arm/syscalls/setreuid.S
+++ b/libc/arch-arm/syscalls/__setreuid.S
@@ -2,12 +2,12 @@
 #include <sys/linux-syscalls.h>
 
     .text
-    .type setreuid, #function
-    .globl setreuid
+    .type __setreuid, #function
+    .globl __setreuid
     .align 4
     .fnstart
 
-setreuid:
+__setreuid:
     .save   {r4, r7}
     stmfd   sp!, {r4, r7}
     ldr     r7, =__NR_setreuid32
diff --git a/libc/arch-arm/syscalls/setuid.S b/libc/arch-arm/syscalls/__setuid.S
similarity index 83%
rename from libc/arch-arm/syscalls/setuid.S
rename to libc/arch-arm/syscalls/__setuid.S
index 31cf446..efc6e56 100644
--- a/libc/arch-arm/syscalls/setuid.S
+++ b/libc/arch-arm/syscalls/__setuid.S
@@ -2,12 +2,12 @@
 #include <sys/linux-syscalls.h>
 
     .text
-    .type setuid, #function
-    .globl setuid
+    .type __setuid, #function
+    .globl __setuid
     .align 4
     .fnstart
 
-setuid:
+__setuid:
     .save   {r4, r7}
     stmfd   sp!, {r4, r7}
     ldr     r7, =__NR_setuid32