process.h

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#ifndef PROCESS_H
#define PROCESS_H

#include <unistd.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/sem.h>
#include <semaphore.h>

//#define EXCEPTION_POLICY
//#define EXIT_POLICY // DEFAULT


pid_t pfork(void);

pid_t pwait(int *status);

pid_t pwaitpid(pid_t pid, int *status, int options);

int pshmget(key_t key, size_t size, int shmflg);

int pshmctl(int shmid, int cmd, struct shmid_ds *buf);

void *pshmat(int shmid, const void *shmaddr, int shmflg);

void pshmdt(const void *shmaddr);

int psemget(key_t key, int nsems, int semflg);

int psemctl(int semid, int semnum, int cmd);
int psemctl(int semid, int semnum, int cmd, void *u);

void psemop(int semid, struct sembuf *sops, size_t nsops);

void psem_up(int semid, short unsigned int index);

void psem_down(int semid, short unsigned int index);

int pmsgget(key_t key, int msgflg);

int pmsgctl(int msqid, int cmd, struct msqid_ds *buf);

void pmsgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg);

size_t pmsgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg);

// named:
sem_t *psem_open(const char *name, int oflag);
sem_t *psem_open(const char *name, int oflag, mode_t mode, unsigned int value);

void psem_close(sem_t *sem);

void psem_unlink(const char *name);

// unnamed:
void psem_init(sem_t *sem, int pshared, unsigned int value);

void psem_destroy(sem_t *sem);

// named and unnamed:
void psem_wait(sem_t *sem);

int psem_trywait(sem_t *sem);

int psem_timedwait(sem_t *sem, const struct timespec *abs_timeout);

void psem_post(sem_t *sem);

#endif

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