crashpad/compat/android/dlfcn_internal.h
Joshua Peraza 990c6d9cb6 android: add Dlsym() which wraps dlsym
`dlsym` on Android KitKat (4.4.*) raises SIGFPE when searching for
non-existent symbols. This wrapper installs a signal handler prior to
calling `dlsym`.

Bug: crashpad:30
Change-Id: Iee94672d3c11b1fad1b01526eea7df688c0356cb
Reviewed-on: https://chromium-review.googlesource.com/835411
Commit-Queue: Joshua Peraza <jperaza@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
2017-12-22 23:43:25 +00:00

36 lines
1.3 KiB
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// Copyright 2017 The Crashpad Authors. All rights reserved.
//
// 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 CRASHPAD_COMPAT_ANDROID_DLFCN_INTERNAL_H_
#define CRASHPAD_COMPAT_ANDROID_DLFCN_INTERNAL_H_
namespace crashpad {
namespace internal {
//! \brief Provide a wrapper for `dlsym`.
//!
//! dlsym on Android KitKat (4.4.*) raises SIGFPE when searching for a
//! non-existent symbol. This wrapper avoids crashing in this circumstance.
//! https://code.google.com/p/android/issues/detail?id=61799
//!
//! The parameters and return value for this function are the same as for
//! `dlsym`, but a return value for `dlerror` may not be set in the event of an
//! error.
void* Dlsym(void* handle, const char* symbol);
} // namespace internal
} // namespace crashpad
#endif // CRASHPAD_COMPAT_ANDROID_DLFCN_INTERNAL_H_