SysV IPC headers

svn path=/trunk/; revision=2956
This commit is contained in:
KJK::Hyperion 2002-05-17 01:37:15 +00:00
parent cca52d053b
commit 9523648137
7 changed files with 138 additions and 7 deletions

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@ -1,4 +1,4 @@
/* $Id: ipc.h,v 1.2 2002/02/20 09:17:56 hyperion Exp $
/* $Id: ipc.h,v 1.3 2002/05/17 01:37:15 hyperion Exp $
*/
/*
* sys/ipc.h
@ -30,10 +30,31 @@
/* OBJECTS */
/* TYPES */
struct ipc_perm
{
uid_t uid; /* owner's user ID */
gid_t gid; /* owner's group ID */
uid_t cuid; /* creator's user ID */
gid_t cgid; /* creator's group ID */
mode_t mode; /* read/write permission */
};
/* CONSTANTS */
/* Mode bits */
#define IPC_CREAT (0x00000200) /* Create entry if key does not exist */
#define IPC_EXCL (0x00000400) /* Fail if key exists */
#define IPC_NOWAIT (0x00000800) /* Error if request must wait */
/* Keys */
#define IPC_PRIVATE (0xFFFFFFFF) /* Private key */
/* Control commands */
#define IPC_RMID (1) /* Remove identifier */
#define IPC_SET (2) /* Set options */
#define IPC_STAT (3) /* Get options */
/* PROTOTYPES */
key_t ftok(const char *, int);
/* MACROS */

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@ -1,4 +1,4 @@
/* $Id: msg.h,v 1.2 2002/02/20 09:17:56 hyperion Exp $
/* $Id: msg.h,v 1.3 2002/05/17 01:37:15 hyperion Exp $
*/
/*
* sys/msg.h
@ -26,14 +26,35 @@
#define __SYS_SOCKET_H_INCLUDED__
/* INCLUDES */
#include <sys/ipc.h>
/* OBJECTS */
/* TYPES */
typedef unsigned int msgqnum_t; /* Used for the number of messages in the message queue */
typedef unsigned int msglen_t; /* Used for the number of bytes allowed in a message queue */
struct msqid_ds
{
struct ipc_perm msg_perm; /* operation permission structure */
msgqnum_t msg_qnum; /* number of messages currently on queue */
msglen_t msg_qbytes; /* maximum number of bytes allowed on queue */
pid_t msg_lspid; /* process ID of last msgsnd() */
pid_t msg_lrpid; /* process ID of last msgrcv() */
time_t msg_stime; /* time of last msgsnd() */
time_t msg_rtime; /* time of last msgrcv() */
time_t msg_ctime; /* time of last change */
};
/* CONSTANTS */
/* Message operation flag */
#define MSG_NOERROR (0x00001000) /* No error if big message */
/* PROTOTYPES */
int msgctl(int, int, struct msqid_ds *);
int msgget(key_t, int);
ssize_t msgrcv(int, void *, size_t, long int, int);
int msgsnd(int, const void *, size_t, int);
/* MACROS */

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@ -1,4 +1,4 @@
/* $Id: resource.h,v 1.2 2002/02/20 09:17:56 hyperion Exp $
/* $Id: resource.h,v 1.3 2002/05/17 01:37:15 hyperion Exp $
*/
/*
* sys/resource.h
@ -26,10 +26,16 @@
#define __SYS_RESOURCE_H_INCLUDED__
/* INCLUDES */
#include <sys/time.h>
/* OBJECTS */
/* TYPES */
struct rusage
{
struct timeval ru_utime; /* user time used */
struct timeval ru_stime; /* system time used */
};
/* CONSTANTS */

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@ -1,4 +1,4 @@
/* $Id: sem.h,v 1.2 2002/02/20 09:17:56 hyperion Exp $
/* $Id: sem.h,v 1.3 2002/05/17 01:37:15 hyperion Exp $
*/
/*
* sys/sem.h
@ -26,14 +26,43 @@
#define __SYS_SEM_H_INCLUDED__
/* INCLUDES */
#include <sys/ipc.h>
/* OBJECTS */
/* TYPES */
struct semid_ds
{
struct ipc_perm sem_perm; /* operation permission structure */
unsigned short int sem_nsems; /* number of semaphores in set */
time_t sem_otime; /* last semop time */
time_t sem_ctime; /* last time changed by semctl() */
};
struct sembuf
{
unsigned short int sem_num; /* semaphore number */
short int sem_op; /* semaphore operation */
short int sem_flg; /* operation flags */
};
/* CONSTANTS */
/* Semaphore operation flags */
#define SEM_UNDO (0x00001000) /* Set up adjust on exit entry */
/* Command definitions for the function semctl() */
#define GETNCNT (1) /* Get semncnt */
#define GETPID (2) /* Get sempid */
#define GETVAL (3) /* Get semval */
#define GETALL (4) /* Get all cases of semval */
#define GETZCNT (5) /* Get semzcnt */
#define SETVAL (6) /* Set semval */
#define SETALL (7) /* Set all cases of semval */
/* PROTOTYPES */
int semctl(int, int, int, ...);
int semget(key_t, int, int);
int semop(int, struct sembuf *, size_t);
/* MACROS */

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@ -1,4 +1,4 @@
/* $Id: shm.h,v 1.2 2002/02/20 09:17:56 hyperion Exp $
/* $Id: shm.h,v 1.3 2002/05/17 01:37:15 hyperion Exp $
*/
/*
* sys/shm.h
@ -30,10 +30,31 @@
/* OBJECTS */
/* TYPES */
typedef unsigned short shmatt_t;
struct shmid_ds
{
struct ipc_perm shm_perm; /* operation permission structure */
size_t shm_segsz; /* size of segment in bytes */
pid_t shm_lpid; /* process ID of last shared memory operation */
pid_t shm_cpid; /* process ID of creator */
shmatt_t shm_nattch; /* number of current attaches */
time_t shm_atime; /* time of last shmat() */
time_t shm_dtime; /* time of last shmdt() */
time_t shm_ctime; /* time of last change by shmctl() */
};
/* CONSTANTS */
#define SHM_RDONLY (0x00000200) /* Attach read-only (else read-write). */
#define SHM_RND (0x00000400) /* Round attach address to SHMLBA. */
#define SHMLBA (4096) /* Segment low boundary address multiple. */
/* PROTOTYPES */
void *shmat(int, const void *, int);
int shmctl(int, int, struct shmid_ds *);
int shmdt(const void *);
int shmget(key_t, size_t, int);
/* MACROS */

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@ -1,4 +1,4 @@
/* $Id: time.h,v 1.2 2002/02/20 09:17:56 hyperion Exp $
/* $Id: time.h,v 1.3 2002/05/17 01:37:15 hyperion Exp $
*/
/*
* sys/time.h
@ -30,6 +30,11 @@
/* OBJECTS */
/* TYPES */
struct timeval
{
time_t tv_sec; /* seconds */
suseconds_t tv_usec; /* microseconds */
};
/* CONSTANTS */

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@ -1,4 +1,4 @@
/* $Id: wait.h,v 1.2 2002/02/20 09:17:56 hyperion Exp $
/* $Id: wait.h,v 1.3 2002/05/17 01:37:15 hyperion Exp $
*/
/*
* sys/wait.h
@ -26,16 +26,44 @@
#define __SYS_WAIT_H_INCLUDED__
/* INCLUDES */
#include <signal.h>
#include <sys/resource.h>
/* OBJECTS */
/* TYPES */
typedef enum __tagidtype_t
{
P_ALL,
P_PID,
P_PGID
} idtype_t;
/* CONSTANTS */
/* Possible values for the options argument to waitid() */
#define WEXITED (0x00000001) /* Wait for processes that have exited */
#define WSTOPPED (0x00000002) /* Status will be returned for any child that has stopped upon receipt of a signal */
#define WNOWAIT (0x00000004) /* Keep the process whose status is returned in infop in a waitable state */
#define WCONTINUED (0x00000008) /* Status will be returned for any child that was stopped and has been continued */
#define WNOHANG (0x00000010) /* Return immediately if there are no children to wait for */
#define WUNTRACED (0x00000020) /* Report status of stopped child process */
/* PROTOTYPES */
pid_t wait(int *);
pid_t wait3(int *, int, struct rusage *);
int waitid(idtype_t, id_t, siginfo_t *, int);
pid_t waitpid(pid_t, int *, int);
/* MACROS */
/* Macros for analysis of process status values */
#define WEXITSTATUS(__STATUS__) (1) /* Return exit status */
#define WIFCONTINUED(__STATUS__) (1) /* True if child has been continued */
#define WIFEXITED(__STATUS__) (1) /* True if child exited normally */
#define WIFSIGNALED(__STATUS__) (1) /* True if child exited due to uncaught signal */
#define WIFSTOPPED(__STATUS__) (1) /* True if child is currently stopped */
#define WSTOPSIG(__STATUS__) (1) /* Return signal number that caused process to stop */
#define WTERMSIG(__STATUS__) (1) /* Return signal number that caused process to terminate */
#endif /* __SYS_WAIT_H_INCLUDED__ */