Programmer Think

1, Experimental purpose (1) Learn to use VC to write basic Win32 console application (console application). (2) By creating processes, observing the programming and debugging operations of running processes and terminating processes, we can further get familiar with the process concept of the operating system and understand the "life" ...

Foreword Azexplosion, a particle crushing effect component based on Android platform( https://github.com/Xieyupeng520/AZExplosion ), the functional migration and reconstruction of Hongmeng are realized. The code has been open source to( https://gitee.com/isrc_ohos/azexplosion_ohos ), welcome all developers to download and use and put forward v ...

Linux source code can go here https://mirrors.edge.kernel.org/pub/linux/kernel/ Download. This article is based on linux-2.6.34. The code of the old version is simpler and easier to understand. Little friends who have learned Linux system programming should know that the entry functions of Linux system calls in the kernel are sys_xxx, ...

Explanation: these experiments written in blog are not comprehensive and are not final versions of the experimental reports (which are simple notes recorded in typora in their own experiments). The complete content (including code + experimental report) can be downloaded by links, or WeChat official account is paid attention to "free blog& ...

Today is another day submerged by pouring demand. Does anyone know where to sign up for the chicken soup class of "I cut 18 demands for me in three sentences" and want to apply. The class of "understanding applause" is even more difficult. Going further, back to our topic today, let's understand the catalogue of this ...

This is bilibili - [End] 2020 Nanjing University "operating system: design and implementation" (Jiang Yanyan) Course notes for Summary of this lecture: What is concurrency, why concurrency is needed, and a new understanding of concurrent programming Abandon the atomicity, sequence and visibility of the program Concurrency an ...

Shared memory allows two unrelated processes to access the same logical memory. It is a very effective way to transfer data between two running processes. Most of the specific implementations of shared memory arrange the memory shared by different processes into the same physical memory. Shared memory is a special address range created by I ...

FreeRTOS list List NOUN List List_t typedef struct xLIST { listFIRST_LIST_INTEGRITY_CHECK_VALUE /*< Set to a known value if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */ configLIST_VOLATILE UBaseType_t uxNumberOfItems; ListItem_t * configLIST_VOLATILE pxIndex; /*< Used to walk through the list. Points to the last it ...

FreeRTOS kernel control FreeRTOS has some functions only for the kernel, which are generally not allowed by applications. These are the system kernel functions. Kernel control function API taskYIELD(): task switching taskENTER_CRITICAL(): enter the critical area, which is used in the task taskEXIT_CRITICAL(): exit the critical area, which is ...

FreeRTOS task creation and suspension 1 task related concepts Task status Running state When a task is running, it can be said that the task is running. If it is a single core processor, there is always only one task in progress at any time. Ready Tasks in the ready state are those that are ready (these tasks are not blocked or suspended) ...