system-calls

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How to access all pipes in the system from Linux kernel space

I want to add a new system call to the Linux kernel that w开发者_高级运维ill show information about all pipes that are created in the system.[详细]

2023-03-05 10:49 分类：问答
Strange behaviour from system call creat

I am creating a file as follows int fd= creat(file_path.c_str() ,S_IRWXU|S_IRWXG|S_IRWXO); Though i am providing all permissions to all three entities, it creates the files with the below permissi[详细]

2023-03-05 09:45 分类：问答
indir system-call

What is the system call indir开发者_开发问答 ? Where can i find any information (signature, etc) about it?This syscall?[详细]

2023-03-04 06:45 分类：问答
gdb break when program opens specific file

Back story: While running a program under strace I notice that \'/dev/urandom\' is being open\'ed.I would like to know where this call is coming from (it is not part of the program itself, it is part[详细]

2023-03-02 21:58 分类：问答
Why are many system calls (getpid) captured only once using strace?

I invoked getpid() in a program for many times (to test the efficiency of system calls), however when I use strace to get the trace, only one getpid() call is captured.[详细]

2023-02-28 20:32 分类：问答
Does execv replace the current process like this?

If in my code, I were to call execv, and then I had several lines of code after the call to execv, would those lines get executed, or would they not g开发者_运维百科et executed, since whatever was sta[详细]

2023-02-28 18:56 分类：问答
system call giving not enough memory in c++

I was trying to enter list of files in a file by using command system(\"dir *.txt /b :gen> file.txt\");[详细]

2023-02-27 01:27 分类：问答
System Call on PHP

Having a bit of problem with this. Script A calls/includes Script B. Script B has to execute a system call and return to Script A. Fails in flames.[详细]

2023-02-25 15:22 分类：问答
How to track Windows system calls

Is it possible to write a Windows 7 kernel module and create some generic system call filter? Simply, to write some code tha开发者_开发百科t is fired when a system call is made (from any process)?[详细]

2023-02-23 17:45 分类：问答
How does a system call translate to CPU instructions?

Let\'s say there is a simple program like: #include<stdio.h> void main() { int x; printf(\"Cool\");[详细]

2023-02-22 18:50 分类：问答