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/* * ===================================================================================== * * Filename: fa.c * * Description: * * Version: 1.0 * Created: 06/25/2014 08:04:55 AM * Revision: none * Compiler: gcc * * Author: YOUR NAME (), * Organization: * * ===================================================================================== */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <sys/ipc.h> #include <sys/msg.h> #include <time.h> struct mymsg { long mtype; /* message type, must be > 0 */ char mtext[180]; }; /* 获得文件大小 */ unsigned long get_file_size (const char *path) { unsigned long filesize = 0; struct stat statbuff; if (stat (path, &statbuff) < 0) { return filesize; } else { filesize = statbuff.st_size; return filesize; } } int cpfile(char *filename , char *newfilename) { int fd1 = 0, fd2 = 0, res = 0, filesize = 0; fd1 = open (filename, O_RDONLY); if (fd1 == -1) { perror ("open1"); return -1; } filesize = get_file_size(filename); printf ("file size=%d\n", filesize); char *buf = malloc (filesize+1); memset (buf, 0, filesize+1); res = read (fd1, buf, filesize); if (res == -1) { perror ("read"); return -1; } printf ("read size=%d\n", res); char *fullfilename = malloc (512); memset (fullfilename, 0, 512); char *dir = "/tmp/capturefile"; sprintf (fullfilename, "%s/%s", dir, newfilename); fd2 = open (fullfilename, S_IRWXU | O_CREAT | O_RDWR | O_TRUNC); if (fd2 == -1) { perror ("open2"); return -1; } res = write (fd2, buf, filesize); if (res == -1) { perror ("write-fa.c-78"); return -1; } if (buf) { free(buf); buf = NULL; } close (fd1); close (fd2); } #define KEY (key_t)0x1fff int main ( int argc, char *argv[] ) { key_t key; int msgid; int res; key = KEY; struct mymsg msg; printf ("发送给解析进程......\n"); strcpy (msg.mtext, "haha"); /* 创建消息队列 */ msgid = msgget (key, 0666 | IPC_CREAT); if (msgid == -1) { perror ("msgget"); } msg.mtype = 1; int i = 0; while((i++) < 4000000) { res = msgsnd (msgid, &msg, sizeof(struct mymsg), 0); printf ("fa ok msg.mtext = %s\n", msg.mtext); } return 0; }