msg_sample.c
来自「linux下进程间通讯列子」· C语言 代码 · 共 34 行
C
34 行
#include <sys/ipc.h>#include <sys/msg.h>#include <sys/types.h>#include <errno.h>#include <string.h>struct message{ long type; char data[128];};int main(int argc,char *argv[]){ int msg_id; struct message msg_info; msg_info.type=10; strcpy(msg_info.data,"ipc sample.."); msg_id=msgget((key_t)3333,IPC_CREAT|0666); if(msg_id==-1) { perror("msgget:"); return -1; } if(msgsnd(msg_id,&msg_info,128,0)==-1) perror("msgsnd:"); msg_info.type=20; strcpy(msg_info.data,"ffffffffffff"); msgsnd(msg_id,&msg_info,128,0); return 0;}
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