BionicGlue.cpp (1464B)
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this file, 4 * You can obtain one at http://mozilla.org/MPL/2.0/. */ 5 6 #include <sys/types.h> 7 #include <unistd.h> 8 #include <sys/syscall.h> 9 10 #define NS_EXPORT __attribute__((visibility("default"))) 11 12 extern "C" NS_EXPORT int raise(int sig) { 13 // Bug 741272: Bionic incorrectly uses kill(), which signals the 14 // process, and thus could signal another thread (and let this one 15 // return "successfully" from raising a fatal signal). 16 // 17 // Bug 943170: POSIX specifies pthread_kill(pthread_self(), sig) as 18 // equivalent to raise(sig), but Bionic also has a bug with these 19 // functions, where a forked child will kill its parent instead. 20 21 extern pid_t gettid(void); 22 return syscall(__NR_tgkill, getpid(), gettid(), sig); 23 } 24 25 /* Flash plugin uses symbols that are not present in Android >= 4.4 */ 26 namespace android { 27 namespace VectorImpl { 28 NS_EXPORT void reservedVectorImpl1(void) {} 29 NS_EXPORT void reservedVectorImpl2(void) {} 30 NS_EXPORT void reservedVectorImpl3(void) {} 31 NS_EXPORT void reservedVectorImpl4(void) {} 32 NS_EXPORT void reservedVectorImpl5(void) {} 33 NS_EXPORT void reservedVectorImpl6(void) {} 34 NS_EXPORT void reservedVectorImpl7(void) {} 35 NS_EXPORT void reservedVectorImpl8(void) {} 36 } // namespace VectorImpl 37 } // namespace android