Process ID (PID) Manger In C For Linux

/* Start code for Programming Project 5. Create 4 files with proper file extension. */ // File 1, pid.h // This header file is included in pid.c and test.c #include <pthread.h> #define PID_MIN 300 #define PID_MAX 350 /* mutex lock for accessing pid_map */ pthread_mutex_t mutex; //File 2, pid.c #include “pid.h” #include <pthread.h> #include <stdio.h> /** * Allocates the pid map. */ int allocate_map(void) { } /** * Allocates a pid */ int allocate_pid(void) { } /** * Releases a pid */ void release_pid(int pid) { } //File , test.c #include <pthread.h> #include <unistd.h> #include <stdio.h> #include <time.h> #include “pid.h” #define NUM_THREADS 100 #define ITERATIONS 10 #define SLEEP 5 /** * mutex lock used when accessing data structure * to ensure there are no duplicate pid’s in use. */ pthread_mutex_t test_mutex; void *allocator(void *param) { } int main(void) { int i; pthread_t tids[NUM_THREADS]; //Todo: /* allocate the pid map */ if (allocate_map() == -1) return -1; //Todo: printf(“***DONE***\n”); return 0; } //File 4, Makefile, To compile, enter “make all” all: testpid testpid: test.o pid.o gcc -lpthread -o testpid test.o pid.o pid.o: pid.c pid.h gcc -c pid.c test.o: test.c pid.h gcc -lpthread -c test.c

 

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