Makefile

# SMT-Aware Multi-Process Job Scheduling System
# Makefile for Linux/WSL

CC = gcc
CFLAGS = -Wall -Wextra -O2 -pthread -D_GNU_SOURCE
LDFLAGS = -lpthread -lrt

# Binaries
SCHEDULER = scheduler
PRODUCER = producer
WORKER = worker

# Source files
SCHEDULER_SRC = scheduler.c
PRODUCER_SRC = producer.c
WORKER_SRC = worker.c

# Common header
COMMON = common.h

.PHONY: all clean run run-demo help

all: $(SCHEDULER) $(PRODUCER) $(WORKER)
	@echo ""
	@echo "Build complete! Executables created:"
	@echo "  - $(SCHEDULER)"
	@echo "  - $(PRODUCER)"
	@echo "  - $(WORKER)"
	@echo ""
	@echo "Run 'make help' for usage instructions"

$(SCHEDULER): $(SCHEDULER_SRC) $(COMMON)
	$(CC) $(CFLAGS) -o $@ $(SCHEDULER_SRC) $(LDFLAGS)
	@echo "Built: $@"

$(PRODUCER): $(PRODUCER_SRC) $(COMMON)
	$(CC) $(CFLAGS) -o $@ $(PRODUCER_SRC) $(LDFLAGS)
	@echo "Built: $@"

$(WORKER): $(WORKER_SRC) $(COMMON)
	$(CC) $(CFLAGS) -o $@ $(WORKER_SRC) $(LDFLAGS)
	@echo "Built: $@"

clean:
	rm -f $(SCHEDULER) $(PRODUCER) $(WORKER)
	@echo "Cleaned build artifacts"

# Clean IPC resources (if orphaned)
clean-ipc:
	@echo "Cleaning orphaned IPC resources..."
	-ipcrm -Q 0x1234 2>/dev/null || true
	-ipcrm -M 0x5678 2>/dev/null || true
	-ipcrm -S 0x9abc 2>/dev/null || true
	@echo "IPC resources cleaned"

# Run demo with default configuration
run-demo: all clean-ipc
	@echo "Starting SMT-Aware Job Scheduling Demo..."
	@echo ""
	./run_demo.sh

# Debug build
debug: CFLAGS += -g -DDEBUG -O0
debug: clean all

help:
	@echo ""
	@echo "╔═══════════════════════════════════════════════════════════════╗"
	@echo "║     SMT-Aware Multi-Process Job Scheduling System             ║"
	@echo "╚═══════════════════════════════════════════════════════════════╝"
	@echo ""
	@echo "Build Commands:"
	@echo "  make          - Build all executables"
	@echo "  make debug    - Build with debug symbols"
	@echo "  make clean    - Remove executables"
	@echo "  make clean-ipc - Clean orphaned IPC resources"
	@echo ""
	@echo "Run Commands:"
	@echo "  make run-demo - Run full demo with default settings"
	@echo ""
	@echo "Manual Execution:"
	@echo "  1. Start scheduler:  ./scheduler"
	@echo "  2. Start workers:    ./worker 0 & ./worker 1 & ./worker 2 & ./worker 3"
	@echo "  3. Start producers:  ./producer 0 20 & ./producer 1 20 & ./producer 2 20"
	@echo ""
	@echo "Configuration (edit common.h):"
	@echo "  MAX_PRODUCERS = 3       (Number of producer processes)"
	@echo "  MAX_WORKERS = 4         (Number of worker processes)"  
	@echo "  THREADS_PER_WORKER = 4  (Threads per worker)"
	@echo ""