19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "Zygote" 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <unistd.h> 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <fcntl.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/misc.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <errno.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/select.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "jni.h" 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <JNIHelp.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "android_runtime/AndroidRuntime.h" 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 30b3c4a0bb5c95417ae6761d5df775f90da6c80fedNick Kralevich#include <sys/capability.h> 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/prctl.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class com.android.internal.os.ZygoteInit: 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * private static native boolean setreuid(int ruid, int euid) 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint com_android_internal_os_ZygoteInit_setreuid( 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env, jobject clazz, jint ruid, jint euid) 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4205554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden if (setreuid(ruid, euid) < 0) { 4305554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden return errno; 4405554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden } 4505554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden return 0; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class com.android.internal.os.ZygoteInit: 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * private static native int setregid(int rgid, int egid) 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint com_android_internal_os_ZygoteInit_setregid( 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env, jobject clazz, jint rgid, jint egid) 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5505554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden if (setregid(rgid, egid) < 0) { 5605554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden return errno; 5705554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden } 5805554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden return 0; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class com.android.internal.os.ZygoteInit: 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * private static native int setpgid(int rgid, int egid) 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint com_android_internal_os_ZygoteInit_setpgid( 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env, jobject clazz, jint pid, jint pgid) 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6805554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden if (setpgid(pid, pgid) < 0) { 6905554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden return errno; 7005554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden } 7105554a4ee99ae4696929cb1b9a646dbd7a6c7e76Andy McFadden return 0; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * In class com.android.internal.os.ZygoteInit: 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * private static native int getpgid(int pid) 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint com_android_internal_os_ZygoteInit_getpgid( 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project JNIEnv* env, jobject clazz, jint pid) 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project pid_t ret; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ret = getpgid(pid); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ret < 0) { 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowIOException(env, errno); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ret; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9169a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughesstatic void com_android_internal_os_ZygoteInit_reopenStdio(JNIEnv* env, 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject clazz, jobject in, jobject out, jobject errfd) 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int err; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fd = jniGetFDFromFileDescriptor(env, in); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionOccurred() != NULL) { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = dup2(fd, STDIN_FILENO); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (err < 0 && errno == EINTR); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fd = jniGetFDFromFileDescriptor(env, out); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionOccurred() != NULL) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = dup2(fd, STDOUT_FILENO); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (err < 0 && errno == EINTR); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fd = jniGetFDFromFileDescriptor(env, errfd); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionOccurred() != NULL) { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = dup2(fd, STDERR_FILENO); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (err < 0 && errno == EINTR); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic void com_android_internal_os_ZygoteInit_setCloseOnExec (JNIEnv *env, 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject clazz, jobject descriptor, jboolean flag) 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int err; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fdFlags; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fd = jniGetFDFromFileDescriptor(env, descriptor); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionOccurred() != NULL) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fdFlags = fcntl(fd, F_GETFD); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fdFlags < 0) { 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowIOException(env, errno); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (flag) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fdFlags |= FD_CLOEXEC; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fdFlags &= ~FD_CLOEXEC; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = fcntl(fd, F_SETFD, fdFlags); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < 0) { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowIOException(env, errno); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jint com_android_internal_os_ZygoteInit_selectReadable ( 16369a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes JNIEnv *env, jobject clazz, jobjectArray fds) 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fds == NULL) { 16669a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes jniThrowNullPointerException(env, "fds == null"); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jsize length = env->GetArrayLength(fds); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fd_set fdset; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionOccurred() != NULL) { 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FD_ZERO(&fdset); 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int nfds = 0; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize i = 0; i < length; i++) { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject fdObj = env->GetObjectArrayElement(fds, i); 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionOccurred() != NULL) { 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fdObj == NULL) { 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = jniGetFDFromFileDescriptor(env, fdObj); 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionOccurred() != NULL) { 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FD_SET(fd, &fdset); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fd >= nfds) { 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nfds = fd + 1; 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int err; 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = select (nfds, &fdset, NULL, NULL, NULL); 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (err < 0 && errno == EINTR); 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < 0) { 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jniThrowIOException(env, errno); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (jsize i = 0; i < length; i++) { 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project jobject fdObj = env->GetObjectArrayElement(fds, i); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionOccurred() != NULL) { 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fdObj == NULL) { 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int fd = jniGetFDFromFileDescriptor(env, fdObj); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (env->ExceptionOccurred() != NULL) { 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (FD_ISSET(fd, &fdset)) { 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (jint)i; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic jobject com_android_internal_os_ZygoteInit_createFileDescriptor ( 23069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes JNIEnv *env, jobject clazz, jint fd) 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return jniCreateFileDescriptor(env, fd); 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * JNI registration. 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod gMethods[] = { 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* name, signature, funcPtr */ 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setreuid", "(II)I", 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*) com_android_internal_os_ZygoteInit_setreuid }, 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setregid", "(II)I", 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void*) com_android_internal_os_ZygoteInit_setregid }, 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "setpgid", "(II)I", 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *) com_android_internal_os_ZygoteInit_setpgid }, 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "getpgid", "(I)I", 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *) com_android_internal_os_ZygoteInit_getpgid }, 24869a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes { "reopenStdio", 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "(Ljava/io/FileDescriptor;Ljava/io/FileDescriptor;" 25069a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes "Ljava/io/FileDescriptor;)V", 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *) com_android_internal_os_ZygoteInit_reopenStdio}, 25269a017bc1d1649350f830dfada5c6ed5eac0b770Elliott Hughes { "setCloseOnExec", "(Ljava/io/FileDescriptor;Z)V", 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *) com_android_internal_os_ZygoteInit_setCloseOnExec}, 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "selectReadable", "([Ljava/io/FileDescriptor;)I", 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *) com_android_internal_os_ZygoteInit_selectReadable }, 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { "createFileDescriptor", "(I)Ljava/io/FileDescriptor;", 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (void *) com_android_internal_os_ZygoteInit_createFileDescriptor } 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_com_android_internal_os_ZygoteInit(JNIEnv* env) 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return AndroidRuntime::registerNativeMethods(env, 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "com/android/internal/os/ZygoteInit", gMethods, NELEM(gMethods)); 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 266