Revised CL for customisable logging (replacing printfs).

runtime/bin/process_android.cc

Index: runtime/bin/process_android.cc
===================================================================
--- runtime/bin/process_android.cc	(revision 14903)
+++ runtime/bin/process_android.cc	(working copy)
@@ -15,6 +15,7 @@
 #include <unistd.h>
 
 #include "bin/fdutils.h"
+#include "bin/log.h"
 #include "bin/thread.h"
 
 
@@ -326,16 +327,15 @@
   bool initialized = ExitCodeHandler::EnsureInitialized();
   if (!initialized) {
     SetChildOsErrorMessage(os_error_message, os_error_message_len);
-    fprintf(stderr,
-            "Error initializing exit code handler: %s\n",
-            os_error_message);
+    Log::PrintErr("Error initializing exit code handler: %s\n",
+                 os_error_message);
     return errno;
   }
 
   result = TEMP_FAILURE_RETRY(pipe(read_in));
   if (result < 0) {
     SetChildOsErrorMessage(os_error_message, os_error_message_len);
-    fprintf(stderr, "Error pipe creation failed: %s\n", os_error_message);
+    Log::PrintErr("Error pipe creation failed: %s\n", os_error_message);
     return errno;
   }
 
@@ -344,7 +344,7 @@
     SetChildOsErrorMessage(os_error_message, os_error_message_len);
     TEMP_FAILURE_RETRY(close(read_in[0]));
     TEMP_FAILURE_RETRY(close(read_in[1]));
-    fprintf(stderr, "Error pipe creation failed: %s\n", os_error_message);
+    Log::PrintErr("Error pipe creation failed: %s\n", os_error_message);
     return errno;
   }
 
@@ -355,7 +355,7 @@
     TEMP_FAILURE_RETRY(close(read_in[1]));
     TEMP_FAILURE_RETRY(close(read_err[0]));
     TEMP_FAILURE_RETRY(close(read_err[1]));
-    fprintf(stderr, "Error pipe creation failed: %s\n", os_error_message);
+    Log::PrintErr("Error pipe creation failed: %s\n", os_error_message);
     return errno;
   }
 
@@ -368,7 +368,7 @@
     TEMP_FAILURE_RETRY(close(read_err[1]));
     TEMP_FAILURE_RETRY(close(write_out[0]));
     TEMP_FAILURE_RETRY(close(write_out[1]));
-    fprintf(stderr, "Error pipe creation failed: %s\n", os_error_message);
+    Log::PrintErr("Error pipe creation failed: %s\n", os_error_message);
     return errno;
   }
 
@@ -387,7 +387,7 @@
     TEMP_FAILURE_RETRY(close(write_out[1]));
     TEMP_FAILURE_RETRY(close(exec_control[0]));
     TEMP_FAILURE_RETRY(close(exec_control[1]));
-    fprintf(stderr, "fcntl failed: %s\n", os_error_message);
+    Log::PrintErr("fcntl failed: %s\n", os_error_message);
     return errno;
   }
 
@@ -488,7 +488,7 @@
     TEMP_FAILURE_RETRY(close(read_err[1]));
     TEMP_FAILURE_RETRY(close(write_out[0]));
     TEMP_FAILURE_RETRY(close(write_out[1]));
-    fprintf(stderr, "Error pipe creation failed: %s\n", os_error_message);
+    Log::PrintErr("Error pipe creation failed: %s\n", os_error_message);
     return errno;
   }