Merge branch 'cm-13.0' of https://github.com/CyanogenMod/android_bionic into replicant-6.0replicant-6.0-alpha-0005replicant-6.0-alpha-0004

11 files changed, 157 insertions, 50 deletions

diff --git a/libc/bionic/legacy_32_bit_support.cpp b/libc/bionic/legacy_32_bit_support.cpp
index a107664..1336b43 100644
--- a/libc/bionic/legacy_32_bit_support.cpp
+++ b/libc/bionic/legacy_32_bit_support.cpp
@@ -91,3 +91,22 @@ int getrlimit64(int resource, rlimit64* limits64) {
 int setrlimit64(int resource, const rlimit64* limits64) {
   return prlimit64(0, resource, limits64, NULL);
 }
+
+// There is no prlimit system call, so we need to use prlimit64.
+int prlimit(pid_t pid, int resource, const rlimit* n32, rlimit* o32) {
+  rlimit64 n64;
+  if (n32 != nullptr) {
+    n64.rlim_cur = (n32->rlim_cur == RLIM_INFINITY) ? RLIM64_INFINITY : n32->rlim_cur;
+    n64.rlim_max = (n32->rlim_max == RLIM_INFINITY) ? RLIM64_INFINITY : n32->rlim_max;
+  }
+
+  rlimit64 o64;
+  int result = prlimit64(pid, resource,
+                         (n32 != nullptr) ? &n64 : nullptr,
+                         (o32 != nullptr) ? &o64 : nullptr);
+  if (result != -1 && o32 != nullptr) {
+    o32->rlim_cur = (o64.rlim_cur == RLIM64_INFINITY) ? RLIM_INFINITY : o64.rlim_cur;
+    o32->rlim_max = (o64.rlim_max == RLIM64_INFINITY) ? RLIM_INFINITY : o64.rlim_max;
+  }
+  return result;
+}
diff --git a/libc/dns/net/getaddrinfo.c b/libc/dns/net/getaddrinfo.c
index 829b679..cc8b8b4 100644
--- a/libc/dns/net/getaddrinfo.c
+++ b/libc/dns/net/getaddrinfo.c
@@ -1791,10 +1791,14 @@ _find_src_addr(const struct sockaddr *addr, struct sockaddr *src_addr, unsigned
 			return -1;
 		}
 	}
-	if (mark != MARK_UNSET && setsockopt(sock, SOL_SOCKET, SO_MARK, &mark, sizeof(mark)) < 0)
+	if (mark != MARK_UNSET && setsockopt(sock, SOL_SOCKET, SO_MARK, &mark, sizeof(mark)) < 0) {
+		close(sock);
 		return 0;
-	if (uid > 0 && uid != NET_CONTEXT_INVALID_UID && fchown(sock, uid, (gid_t)-1) < 0)
+	}
+	if (uid > 0 && uid != NET_CONTEXT_INVALID_UID && fchown(sock, uid, (gid_t)-1) < 0) {
+		close(sock);
 		return 0;
+	}
 	do {
 		ret = __connect(sock, addr, len);
 	} while (ret == -1 && errno == EINTR);
diff --git a/libc/include/libgen.h b/libc/include/libgen.h
index e89328e..4d22d15 100644
--- a/libc/include/libgen.h
+++ b/libc/include/libgen.h
@@ -32,18 +32,19 @@
 #include <sys/cdefs.h>
 #include <sys/types.h>
 
+
 __BEGIN_DECLS
 
-#if !defined(__bionic_using_gnu_basename)
 /*
- * <string.h> gets you the GNU basename.
- * <libgen.h> the POSIX one.
- * Note that our "POSIX" one has the wrong argument cv-qualifiers, but doesn't
- * modify its input and uses thread-local storage for the result if necessary.
+ * Including <string.h> will get you the GNU basename, unless <libgen.h> is
+ * included, either before or after including <string.h>.
+ *
+ * Note that this has the wrong argument cv-qualifiers, but doesn't modify its
+ * input and uses thread-local storage for the result if necessary.
  */
-extern char* basename(const char*);
-#define __bionic_using_posix_basename
-#endif
+extern char* __posix_basename(const char*) __RENAME(basename);
+
+#define basename __posix_basename
 
 /* This has the wrong argument cv-qualifiers, but doesn't modify its input and uses thread-local storage for the result if necessary. */
 extern char* dirname(const char*);
diff --git a/libc/include/string.h b/libc/include/string.h
index d32c164..8ceccd5 100644
--- a/libc/include/string.h
+++ b/libc/include/string.h
@@ -107,18 +107,18 @@ extern size_t strxfrm(char* __restrict, const char* __restrict, size_t);
 extern int    strcoll_l(const char *, const char *, locale_t) __purefunc;
 extern size_t strxfrm_l(char* __restrict, const char* __restrict, size_t, locale_t);
 
-#if defined(__USE_GNU) && !defined(__bionic_using_posix_basename)
+#if defined(__USE_GNU) && !defined(basename)
 /*
  * glibc has a basename in <string.h> that's different to the POSIX one in <libgen.h>.
  * It doesn't modify its argument, and in C++ it's const-correct.
  */
+
 #if defined(__cplusplus)
 extern "C++" char* basename(char*) __RENAME(__gnu_basename) __nonnull((1));
 extern "C++" const char* basename(const char*) __RENAME(__gnu_basename) __nonnull((1));
 #else
 extern char* basename(const char*) __RENAME(__gnu_basename) __nonnull((1));
 #endif
-#define __bionic_using_gnu_basename
 #endif
 
 extern void* __memchr_chk(const void*, int, size_t, size_t);
diff --git a/libc/include/sys/resource.h b/libc/include/sys/resource.h
index 3f8dd45..8209dfb 100644
--- a/libc/include/sys/resource.h
+++ b/libc/include/sys/resource.h
@@ -53,10 +53,7 @@ extern int setpriority(int, int, int);
 
 extern int getrusage(int, struct rusage*);
 
-#if __LP64__
-/* Implementing prlimit for 32-bit isn't worth the effort. */
 extern int prlimit(pid_t, int, const struct rlimit*, struct rlimit*);
-#endif
 extern int prlimit64(pid_t, int, const struct rlimit64*, struct rlimit64*);
 
 __END_DECLS
diff --git a/linker/linker.cpp b/linker/linker.cpp
index c81f5d3..bc40cf1 100644
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -980,16 +980,16 @@ static bool walk_dependencies_tree(soinfo* root_soinfos[], size_t root_soinfos_s
 
     visited.push_back(si);
 
-    si->get_children().for_each([&](soinfo* child) {
-      visit_list.push_back(child);
-    });
-
     if (do_shims) {
       shim_libs_for_each(si->get_realpath(), [&](soinfo* child) {
         si->add_child(child);
         visit_list.push_back(child);
       });
     }
+
+    si->get_children().for_each([&](soinfo* child) {
+      visit_list.push_back(child);
+    });
   }
 
   return true;
@@ -3013,12 +3013,14 @@ bool soinfo::link_image(const soinfo_list_t& global_group, const soinfo_list_t&
   if (has_text_relocations) {
     // Fail if app is targeting sdk version > 22
     // TODO (dimitry): remove != __ANDROID_API__ check once http://b/20020312 is fixed
+#if !defined(__i386__) // ffmpeg says that they require text relocations on x86
     if (get_application_target_sdk_version() != __ANDROID_API__
         && get_application_target_sdk_version() > 22) {
       PRINT("%s: has text relocations", get_realpath());
       DL_ERR("%s: has text relocations", get_realpath());
       return false;
     }
+#endif
     // Make segments writable to allow text relocations to work properly. We will later call
     // phdr_table_protect_segments() after all of them are applied and all constructors are run.
     DL_WARN("%s has text relocations. This is wasting memory and prevents "
diff --git a/tests/Android.mk b/tests/Android.mk
index dc2e410..b994cc3 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -64,6 +64,7 @@ libBionicStandardTests_src_files := \
     getcwd_test.cpp \
     inttypes_test.cpp \
     libc_logging_test.cpp \
+    libgen_basename_test.cpp \
     libgen_test.cpp \
     locale_test.cpp \
     malloc_test.cpp \
diff --git a/tests/libgen_basename_test.cpp b/tests/libgen_basename_test.cpp
new file mode 100644
index 0000000..55939d1
--- /dev/null
+++ b/tests/libgen_basename_test.cpp
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _GNU_SOURCE
+  #define _GNU_SOURCE 1
+#endif
+
+#include <string.h>
+
+#if defined(basename)
+  #error basename should not be defined at this point
+#endif
+
+static const char* gnu_basename(const char* in) {
+  return basename(in);
+}
+
+#include <libgen.h>
+
+#if !defined(basename)
+  #error basename should be defined at this point
+#endif
+
+static char* posix_basename(char* in) {
+  return basename(in);
+}
+
+#include <errno.h>
+#include <gtest/gtest.h>
+
+static void __TestGnuBasename(const char* in, const char* expected_out, int line) {
+  const char* out = gnu_basename(in);
+  ASSERT_STREQ(expected_out, out) << "(" << line << "): " << in << std::endl;
+  ASSERT_EQ(0, errno) << "(" << line << "): " << in << std::endl;
+}
+
+static void __TestPosixBasename(const char* in, const char* expected_out, int line) {
+  char* writable_in = (in != NULL) ? strdup(in) : NULL;
+  errno = 0;
+  const char* out = posix_basename(&writable_in[0]);
+  ASSERT_STREQ(expected_out, out) << "(" << line << "): " << in << std::endl;
+  ASSERT_EQ(0, errno) << "(" << line << "): " << in << std::endl;
+  free(writable_in);
+}
+
+#define TestGnuBasename(in, expected) __TestGnuBasename(in, expected, __LINE__)
+#define TestPosixBasename(in, expected) __TestPosixBasename(in, expected, __LINE__)
+
+TEST(libgen_basename, gnu_basename) {
+  // GNU's basename doesn't accept NULL
+  // TestGnuBasename(NULL, ".");
+  TestGnuBasename("", "");
+  TestGnuBasename("/usr/lib", "lib");
+  TestGnuBasename("/system/bin/sh/", "");
+  TestGnuBasename("/usr/", "");
+  TestGnuBasename("usr", "usr");
+  TestGnuBasename("/", "");
+  TestGnuBasename(".", ".");
+  TestGnuBasename("..", "..");
+  TestGnuBasename("///", "");
+  TestGnuBasename("//usr//lib//", "");
+}
+
+TEST(libgen_basename, posix_basename) {
+  TestPosixBasename(NULL, ".");
+  TestPosixBasename("", ".");
+  TestPosixBasename("/usr/lib", "lib");
+  TestPosixBasename("/system/bin/sh/", "sh");
+  TestPosixBasename("/usr/", "usr");
+  TestPosixBasename("usr", "usr");
+  TestPosixBasename("/", "/");
+  TestPosixBasename(".", ".");
+  TestPosixBasename("..", "..");
+  TestPosixBasename("///", "/");
+  TestPosixBasename("//usr//lib//", "lib");
+}
diff --git a/tests/libgen_test.cpp b/tests/libgen_test.cpp
index e9a5d5c..8a37a3f 100644
--- a/tests/libgen_test.cpp
+++ b/tests/libgen_test.cpp
@@ -19,15 +19,6 @@
 #include <errno.h>
 #include <gtest/gtest.h>
 
-static void TestBasename(const char* in, const char* expected_out) {
-  char* writable_in = (in != NULL) ? strdup(in) : NULL;
-  errno = 0;
-  const char* out = basename(&writable_in[0]);
-  ASSERT_STREQ(expected_out, out) << in;
-  ASSERT_EQ(0, errno) << in;
-  free(writable_in);
-}
-
 static void TestDirname(const char* in, const char* expected_out) {
   char* writable_in = (in != NULL) ? strdup(in) : NULL;
   errno = 0;
@@ -37,21 +28,6 @@ static void TestDirname(const char* in, const char* expected_out) {
   free(writable_in);
 }
 
-// Do not use basename as the test name, it's defined to another value in glibc
-// so leads to a differently named test on host versus target architectures.
-TEST(libgen, posix_basename) {
-  TestBasename(NULL, ".");
-  TestBasename("", ".");
-  TestBasename("/usr/lib", "lib");
-  TestBasename("/usr/", "usr");
-  TestBasename("usr", "usr");
-  TestBasename("/", "/");
-  TestBasename(".", ".");
-  TestBasename("..", "..");
-  TestBasename("///", "/");
-  TestBasename("//usr//lib//", "lib");
-}
-
 TEST(libgen, dirname) {
   TestDirname(NULL, ".");
   TestDirname("", ".");
diff --git a/tests/pthread_test.cpp b/tests/pthread_test.cpp
index ad8fac6..e210255 100644..100755
--- a/tests/pthread_test.cpp
+++ b/tests/pthread_test.cpp
@@ -1245,8 +1245,11 @@ TEST(pthread, pthread_attr_getstack_18908062) {
 }
 
 #if defined(__BIONIC__)
+static pthread_mutex_t gettid_mutex;
 static void* pthread_gettid_np_helper(void* arg) {
+  pthread_mutex_lock(&gettid_mutex);
   *reinterpret_cast<pid_t*>(arg) = gettid();
+  pthread_mutex_unlock(&gettid_mutex);
   return NULL;
 }
 #endif
@@ -1257,11 +1260,15 @@ TEST(pthread, pthread_gettid_np) {
 
   pid_t t_gettid_result;
   pthread_t t;
+  pthread_mutex_init(&gettid_mutex, NULL);
+  pthread_mutex_lock(&gettid_mutex);
   pthread_create(&t, NULL, pthread_gettid_np_helper, &t_gettid_result);
 
   pid_t t_pthread_gettid_np_result = pthread_gettid_np(t);
+  pthread_mutex_unlock(&gettid_mutex);
 
   pthread_join(t, NULL);
+  pthread_mutex_destroy(&gettid_mutex);
 
   ASSERT_EQ(t_gettid_result, t_pthread_gettid_np_result);
 #else
diff --git a/tests/sys_resource_test.cpp b/tests/sys_resource_test.cpp
index 8cefc65..0b6b6ef 100644
--- a/tests/sys_resource_test.cpp
+++ b/tests/sys_resource_test.cpp
@@ -33,7 +33,8 @@ class SysResourceTest : public ::testing::Test {
   virtual void SetUp() {
     ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32_));
     ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64_));
-    ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64_));
+    ASSERT_EQ(0, prlimit(0, RLIMIT_CORE, nullptr, &pr_l32_));
+    ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, nullptr, &pr_l64_));
   }
 
   void CheckResourceLimits();
@@ -41,21 +42,28 @@ class SysResourceTest : public ::testing::Test {
  protected:
   rlimit l32_;
   rlimit64 l64_;
+  rlimit pr_l32_;
   rlimit64 pr_l64_;
 };
 
 void SysResourceTest::CheckResourceLimits() {
   ASSERT_EQ(0, getrlimit(RLIMIT_CORE, &l32_));
   ASSERT_EQ(0, getrlimit64(RLIMIT_CORE, &l64_));
-  ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, NULL, &pr_l64_));
+  ASSERT_EQ(0, prlimit(0, RLIMIT_CORE, nullptr, &pr_l32_));
+  ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, nullptr, &pr_l64_));
+
+  ASSERT_EQ(l32_.rlim_cur, pr_l32_.rlim_cur);
   ASSERT_EQ(l64_.rlim_cur, pr_l64_.rlim_cur);
+
   if (l64_.rlim_cur == RLIM64_INFINITY) {
     ASSERT_EQ(RLIM_INFINITY, l32_.rlim_cur);
   } else {
     ASSERT_EQ(l64_.rlim_cur, l32_.rlim_cur);
   }
 
+  ASSERT_EQ(l32_.rlim_max, pr_l32_.rlim_max);
   ASSERT_EQ(l64_.rlim_max, pr_l64_.rlim_max);
+
   if (l64_.rlim_max == RLIM64_INFINITY) {
     ASSERT_EQ(RLIM_INFINITY, l32_.rlim_max);
   } else {
@@ -88,13 +96,16 @@ TEST_F(SysResourceTest, setrlimit64) {
   ASSERT_EQ(456U, l64_.rlim_cur);
 }
 
+TEST_F(SysResourceTest, prlimit) {
+  pr_l32_.rlim_cur = pr_l32_.rlim_max;
+  ASSERT_EQ(0, prlimit(0, RLIMIT_CORE, &pr_l32_, nullptr));
+  CheckResourceLimits();
+  ASSERT_EQ(pr_l32_.rlim_max, pr_l32_.rlim_cur);
+}
+
 TEST_F(SysResourceTest, prlimit64) {
   pr_l64_.rlim_cur = pr_l64_.rlim_max;
-  ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, &pr_l64_, NULL));
+  ASSERT_EQ(0, prlimit64(0, RLIMIT_CORE, &pr_l64_, nullptr));
   CheckResourceLimits();
   ASSERT_EQ(pr_l64_.rlim_max, pr_l64_.rlim_cur);
 }
-
-TEST_F(SysResourceTest, prlimit) {
-  // prlimit is prlimit64 on LP64 and unimplemented on 32-bit. So we only test prlimit64.
-}