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First Day
Linux overview
- Linux
- The various licenses used by Linux (GPL, LGPL, etc.)
- Linux distributions
Linux for the user
- The Linux filesystem
- The Linux shell and scripts
- The vi editor
- Basic administration of a Linux system
Linux application development
- Structure of Linux applications
- Linux development tools
- Compiling
- Documentation
- Makefiles
- Integrated Development Environments
- Creating Linux libraries
- Static libraries
- Dynamic libraries
| Exercise: |
Writing a simple, static and dynamic, library |
Second Day
Linux application debugging
- Software Debug tools
- Gdb
- Memory management debug using dmalloc and efence
- Runtime checks using valgrind
| Exercise: |
Debug an application and its libraries using gdbserver |
| Exercise: |
Checking memory management using dmalloc and valgrind |
Input-Output
- Standard input-output
- Network programming
- sockets
- UDP and TCP protocols
- Asynchronous input-output
- Non-blocking I/O
- Multiplexed (the select and poll APIs)
- Notified I/O
- Chained I/O (the aio POSIX API)
| Exercise: |
Programming a client-server application |
| Exercise: |
Handle several parallel connections using asynchronous I/O |
Tracing system calls
| Exercise: |
Understanding Strace |
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Third Day
Time and signal handling
- Signal handling
- Signal types
- Handling a signal
- Functions usable in a signal handler
- Signal masking and synchronous handling
- User Timers
| Exercise: |
Manage timeouts using signals and timers |
Multitask programming
- Processes
- The process concept
- Processes and security
- Process states
- Process life-cycle : the "fork" and '"exec" calls
- POSIX Threads
- User and kernel threads
- Thread programming
- Mutexes and condition variables
- Barriers
- Thread-specific data
| Exercise: |
Managing several clients in parallel using fork |
| Exercise: |
Create a remote server using fork and exec |
| Exercise: |
Managing several clients in parallel using threads |
| Exercise: |
Manage thread-static data in a library |
Fourth Day
Memory management and Scheduling
- Linux Memory Management
- Virtual and physical memory
- Pagination and protection
- Swapping
- Memory allocation
- Caches
- Scheduling in the Linux kernel
- Context switches
- The Completely Fair Scheduler
- Scheduling groups
- The real-time scheduler
- Scheduling and SMP (Symmetrical Multi Processors)
Inter Process Communication
- Inter Process Communication
- File mapping of files and devices
- Shared memory
- Message queues
- Pipes
- Task synchronisation
- The System V IPC (optional, described in appendix)
| Exercise: |
Handle communications between processes in a multi-process client-server system |
| Exercise: |
Setup timeouts to close dead connections on a server |
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