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feat: ultimate dev container

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6arelyFuture 2025-03-22 15:18:26 +01:00
parent 81c509081f
commit 1f63f81979
6 changed files with 206 additions and 0 deletions
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55
.devcontainer/Dockerfile Normal file
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FROM ubuntu:noble
# Official workaround for "groupadd: GID '1000' already exists"
RUN userdel -r ubuntu
# Set non-interactive mode for apt-get
ENV DEBIAN_FRONTEND=noninteractive
# Install basic dependencies for compilation
RUN apt-get update && apt-get install -y --no-install-recommends \
build-essential \
gcc \
gcc-multilib \
g++-multilib \
make \
wget \
unzip \
git \
gdb \
libc6-dbg \
valgrind \
strace \
clang-format \
python3 python3-pip python3-venv \
&& apt-get clean && rm -rf /var/lib/apt/lists/*
# Create a virtual environment and install colour-valgrind
RUN python3 -m venv /opt/venv && \
/opt/venv/bin/pip install colour-valgrind
# Add the virtual environment to PATH for all users
ENV PATH="/opt/venv/bin:$PATH"
# Download and install Premake5
RUN wget https://github.com/premake/premake-core/releases/download/v5.0.0-beta5/premake-5.0.0-beta5-linux.tar.gz \
&& tar -xvf premake-5.0.0-beta5-linux.tar.gz \
&& mv premake5 /usr/local/bin/ \
&& chmod +x /usr/local/bin/premake5 \
&& rm premake-5.0.0-beta5-linux.tar.gz
ARG USERNAME=vscode
ARG USER_UID=1000
ARG USER_GID=$USER_UID
# Create the user
RUN groupadd --gid $USER_GID $USERNAME \
&& useradd --uid $USER_UID --gid $USER_GID -m $USERNAME \
#
# [Optional] Add sudo support. Omit if you don't need to install software after connecting.
&& apt-get update \
&& apt-get install -y sudo \
&& echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
&& chmod 0440 /etc/sudoers.d/$USERNAME
USER $USERNAME

32
.devcontainer/devcontainer.json Normal file
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{
"name": "MonitorRam Dev Container",
"build": {
"context": "..",
"dockerfile": "./Dockerfile"
},
"capAdd": [
"SYS_PTRACE"
],
"securityOpt": [
"seccomp=unconfined"
],
"customizations": {
"vscode": {
"extensions": [
"ms-vscode.cpptools-extension-pack"
],
"settings": {
"C_Cpp.clang_format_style": "file",
"C_Cpp.formatting": "clangFormat",
"editor.formatOnSave": true
}
}
},
"runArgs": [
"--network=host"
],
"forwardPorts": [
3000
],
"remoteUser": "vscode"
}

51
.vscode/launch.json vendored Normal file
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{
"version": "0.2.0",
"configurations": [
{
"name": "GDB Debug (Debug Build)",
"type": "cppdbg",
"request": "launch",
"program": "${workspaceFolder}/build/bin/x64/Debug/MonitorRam",
"args": [
""
], // Arguments to pass to your program
"stopAtEntry": false,
"cwd": "${workspaceFolder}",
"environment": [],
"externalConsole": false,
"MIMode": "gdb",
"miDebuggerPath": "/usr/bin/gdb", // Path to gdb inside the container
"setupCommands": [
{
"description": "Enable pretty-printing for gdb",
"text": "-enable-pretty-printing",
"ignoreFailures": true
}
],
"preLaunchTask": "build-debug" // Task to build the Debug version
},
{
"name": "GDB Debug (Release Build)",
"type": "cppdbg",
"request": "launch",
"program": "${workspaceFolder}/build/bin/x64/Release/MonitorRam",
"args": [
""
], // Arguments to pass to your program
"stopAtEntry": false,
"cwd": "${workspaceFolder}",
"environment": [],
"externalConsole": false,
"MIMode": "gdb",
"miDebuggerPath": "/usr/bin/gdb",
"setupCommands": [
{
"description": "Enable pretty-printing for gdb",
"text": "-enable-pretty-printing",
"ignoreFailures": true
}
],
"preLaunchTask": "build-release" // Task to build the Release version
}
]
}

54
.vscode/tasks.json vendored Normal file
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{
"version": "2.0.0",
"tasks": [
{
"label": "generate-makefiles",
"type": "shell",
"command": "premake5",
"args": [
"gmake"
], // Generate Makefiles
"group": {
"kind": "build",
"isDefault": false
},
"problemMatcher": []
},
{
"label": "build-debug",
"type": "shell",
"command": "make",
"args": [
"-C",
"build",
"config=debug_x64"
],
"group": {
"kind": "build",
"isDefault": true
},
"problemMatcher": [
"$gcc"
],
"dependsOn": "generate-makefiles"
},
{
"label": "build-release",
"type": "shell",
"command": "make",
"args": [
"-C",
"build",
"config=release_x64"
],
"group": {
"kind": "build",
"isDefault": false
},
"problemMatcher": [
"$gcc"
],
"dependsOn": "generate-makefiles"
}
]
}

6
src/main.c
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@ -1,5 +1,6 @@
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "common.h"
@ -19,7 +20,12 @@ int main(int argc, char* argv[]) {
}
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_handler = sigint_handler;
sigemptyset(&act.sa_mask); // Initialize the signal mask to empty
act.sa_flags = 0; // Set flags to 0
sigaction(SIGINT, &act, NULL);
int result = setup(argv[1]);

8
src/monitor.c
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@ -1,3 +1,4 @@
#include <assert.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
@ -108,6 +109,13 @@ static int is_process_wild(int curr_real_mem, int peak_real_mem,
}
int setup(const char* pid) {
assert(pid);
if (*pid == '\0') {
printf("Invalid PID\n");
return 1;
}
memset(&processes, 0, sizeof(processes));
char* command = va("pgrep %s", pid);