void FonctionC_1(char* pszMsgData) { char aux; MSG_RTDATA_STRUCT mRT; MSG_CSDATA_STRUCT sM; // holds alarm info MSG_TEXT_STRUCT tClase; MSG_TEXT_STRUCT tTipo; MSG_TEXT_STRUCT tEstacion; MSG_TEXT_STRUCT tMeld; CMN_ERROR pError; memset( &mRT, 0, sizeof( MSG_RTDATA_STRUCT ) )...
};/* one msg_msg structure for each message */structmsg_msg{structlist_headm_list;longm_type;size_tm_ts;/* message text size */void*next;/* struct msg_msgseg *next; */void*security;/* NULL without SELinux *//* the actual message follows immediately */};intmain(){size_t*buf;s...
#define DATALEN_MSG ((size_t)PAGE_SIZE-sizeof(struct msg_msg)) #define DATALEN_SEG ((size_t)PAGE_SIZE-sizeof(struct msg_msgseg)) static struct msg_msg *alloc_msg(size_t len) { struct msg_msg *msg; struct msg_msgseg **pseg;...
int store_msg(void __user *dest, struct msg_msg *msg, size_t len) { size_t alen; struct msg_msgseg *seg; alen = min(len, DATALEN_MSG); if (copy_to_user(dest, msg + 1, alen)) return -1; for (seg = msg->next; seg != NULL; seg = seg->next) { len -= alen; dest...
struct msg_msgseg *next; void *security; /* the actual message follows immediately */ }; 1. 2. 3. 4. 5. 6. 7. 8. 9. msgsnd发送数据调用链及方法 调用链:通过msgsnd() -> ksys_msgsnd() -> do_msgsnd() -> load_msg() -> alloc_msg()来分配消息头和消息的数据...
typedef struct RILMSGCDMAOUTSUBMIT { RILADDRESS raDestAddress; RILSUBADDRESS rsaDestSubaddr; BOOL bDigit; RILSYSTEMTIME stValidityPeriodAbs; RILSYSTEMTIME stValidityPeriodRel; RILSYSTEMTIME stDeferredDelTimeAbs; RILSYSTEMTIME stDeferredDelTimeRel; BOOL bDeliveryAckRequest; BOOL bUserAckRequest; BOOL ...
structwsacmsghdr{UINT cmsg_len; INT cmsg_level; INT cmsg_type;/* followed by UCHAR cmsg_data[] */} WSACMSGHDR; NoteThe transport, not the application, fills out the header information in theWSACMSGHDRstructure. The application simply sets the needed socket options and provides the adequate...
struct msg_msg*msg; struct msg_msgseg*seg; interr=-EFAULT; size_t alen; msg=alloc_msg(len); if(msg==NULL) returnERR_PTR(-ENOMEM); alen=min(len, DATALEN_MSG); if(copy_from_user(msg+1, src, alen)) goto out_err; for(seg=msg->next; seg !=NULL; seg=seg->next) { ...
struct msg_msgseg { struct msg_msgseg*next; /*thenextpart of the message follows immediately*/ }; 可以看到msg_msgseg就是一个嵌套的结构体指针。 源码分析 msgget 1 intmsgget(key_t key,intmsgflag) 其中参数含义: 调用msgget函数会创建新的消息队列,或者获取已有的消息队列,若创建新的消息队列,会创建...
SIZEOF_STRUCT(9F) SLIST_EMPTY(9F) SLIST_ENTRY(9F) SLIST_FIRST(9F) SLIST_FOREACH(9F) SLIST_HEAD(9F) SLIST_HEAD_INITIALIZER(9F) SLIST_INIT(9F) SLIST_INSERT_AFTER(9F) SLIST_INSERT_HEAD(9F) SLIST_NEXT(9F) SLIST_REMOVE(9F) SLIST_REMOVE_HEAD(9F) snprintf(9F) sof_bypass(9F) so...