Move more folks to FileUtils.copy().

Also extend API to accept a "count" argument of exactly how many
bytes to copy, and return the actual number of copied bytes.

Improve docs.

Test: bit FrameworksCoreTests:android.os.FileUtilsTest
Test: vogar --mode app_process --benchmark frameworks/base/core/tests/benchmarks/src/android/os/FileUtilsBenchmark.java
Bug: 71932978
Change-Id: I8d255e4f97462838c02a8ecb6d2d221188c4eff0

1 files changed, 6 insertions, 6 deletions

diff --git a/core/tests/benchmarks/src/android/os/FileUtilsBenchmark.java b/core/tests/benchmarks/src/android/os/FileUtilsBenchmark.java
index 4f7c924b1914..5989da7af655 100644
--- a/core/tests/benchmarks/src/android/os/FileUtilsBenchmark.java
+++ b/core/tests/benchmarks/src/android/os/FileUtilsBenchmark.java
@@ -54,7 +54,7 @@ public class FileUtilsBenchmark {
         for (int i = 0; i < reps; i++) {
             try (FileInputStream in = new FileInputStream(mSrc);
                     FileOutputStream out = new FileOutputStream(mDest)) {
-                copyInternalUserspace(in.getFD(), out.getFD(), null, null);
+                copyInternalUserspace(in.getFD(), out.getFD(), null, null, Long.MAX_VALUE);
             }
         }
     }
@@ -63,7 +63,7 @@ public class FileUtilsBenchmark {
         for (int i = 0; i < reps; i++) {
             try (FileInputStream in = new FileInputStream(mSrc);
                     FileOutputStream out = new FileOutputStream(mDest)) {
-                copyInternalSendfile(in.getFD(), out.getFD(), null, null);
+                copyInternalSendfile(in.getFD(), out.getFD(), null, null, Long.MAX_VALUE);
             }
         }
     }
@@ -72,7 +72,7 @@ public class FileUtilsBenchmark {
         for (int i = 0; i < reps; i++) {
             try (MemoryPipe in = MemoryPipe.createSource(mData);
                     FileOutputStream out = new FileOutputStream(mDest)) {
-                copyInternalUserspace(in.getFD(), out.getFD(), null, null);
+                copyInternalUserspace(in.getFD(), out.getFD(), null, null, Long.MAX_VALUE);
             }
         }
     }
@@ -81,7 +81,7 @@ public class FileUtilsBenchmark {
         for (int i = 0; i < reps; i++) {
             try (MemoryPipe in = MemoryPipe.createSource(mData);
                     FileOutputStream out = new FileOutputStream(mDest)) {
-                copyInternalSplice(in.getFD(), out.getFD(), null, null);
+                copyInternalSplice(in.getFD(), out.getFD(), null, null, Long.MAX_VALUE);
             }
         }
     }
@@ -90,7 +90,7 @@ public class FileUtilsBenchmark {
         for (int i = 0; i < reps; i++) {
             try (FileInputStream in = new FileInputStream(mSrc);
                     MemoryPipe out = MemoryPipe.createSink(mData)) {
-                copyInternalUserspace(in.getFD(), out.getFD(), null, null);
+                copyInternalUserspace(in.getFD(), out.getFD(), null, null, Long.MAX_VALUE);
             }
         }
     }
@@ -99,7 +99,7 @@ public class FileUtilsBenchmark {
         for (int i = 0; i < reps; i++) {
             try (FileInputStream in = new FileInputStream(mSrc);
                     MemoryPipe out = MemoryPipe.createSink(mData)) {
-                copyInternalSplice(in.getFD(), out.getFD(), null, null);
+                copyInternalSplice(in.getFD(), out.getFD(), null, null, Long.MAX_VALUE);
             }
         }
     }