Posted on 2010-03-04 22:46
S.l.e!ep.￠% 阅读(235)
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Unix
使用信号处理linux文件系统监视，(if no inotify) 收藏
linux下c的代码原型如下：
#define _GNU_SOURCE
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
static volatile int event_fd;
static void handler(int signum, siginfo_t *si, void *data){
event_fd = si->si_fd;
printf("info size:%d, data:%d\n", sizeof(siginfo_t), sizeof(data));
}
int main(int argc, char **argv){
struct sigaction action;
int fd;
action.sa_sigaction = handler;
sigemptyset(&action.sa_mask);
action.sa_flags = SA_SIGINFO;
sigaction(SIGRTMIN+1, &action, NULL);
fd = open("test", O_RDONLY);
fcntl(fd, F_SETSIG, SIGRTMIN+1);
fcntl(fd, F_NOTIFY, DN_MODIFY | DN_CREATE | DN_MULTISHOT);
fd = open(".", O_RDONLY);
fcntl(fd, F_SETSIG, SIGRTMIN+1);
fcntl(fd, F_NOTIFY, DN_MODIFY | DN_CREATE | DN_MULTISHOT);
while(1){
pause();
printf("got event on fd=%d\n", event_fd);
}
}
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/xiangya/archive/2007/01/21/1489526.aspx