Android NDK和pthread

概述我正在使用 android NDK独立工具链编译Qt / C项目.我用make-standalone-toolchain.sh创建了独立工具链–arch = arm –toolchain = arm-linux-androideabi-4.9 –platform = android-21命令. NDK版本是android-ndk-r10e.目标项目使用pthread库中的一些函数.在编译时,我收到 我正在使用 android NDK独立工具链编译Qt / C项目.我用make-standalone-toolchain.sh创建了独立工具链–arch = arm –toolchain = arm-linux-androIDeabi-4.9 –platform = androID-21命令. NDK版本是androID-ndk-r10e.目标项目使用pthread库中的一些函数.在编译时,我收到以下错误：

error: 'pthread_getaffinity_np' was not declared in this scopeconst int err = pthread_getaffinity_np(_pthreadID,sizeof(cpu_set_t),&cpuSetMask);compilation terminated due to -Wfatal-errors.

我已经检查了ndk工具链中包含的pthread的标题,我没有找到pthread_getaffinity_np函数的声明.

AndroID的pthread功能是否有限？如何正确使用pthread与AndroID NDK？

解决方法 AndroID的pthread功能是否有限？

AFAIK,是的.

http://mobilepearls.com/labs/native-android-api/#pthreads

POSIX threads (pthreads)The androID libc,bionic,provIDes built-in support for pthreads,so noadditional linking (-lpthreads) is necessary. It does not implement fullPOSIX threads functionality and leaves out support for read/write locks,pthread_cancel(),process-shared mutexes and condition variables as well asother more advanced features. Read the bionic OVERVIEW.txt for moreinformation.TLS,thread-local storage,is limited to 59 pthread_key_t slots availableto applications,lower than the posix minimum of 128.

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