Linux下目录新增文件监控

#include <sys/inotify.h>
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#define INOTIFY_EVENT_ARR_SIZE (1024)

int main(int argc, char *argv[])
{
    const char *installlist_path("/tmp");

    int fd, wd, count = 5;
    struct inotify_event eventArr[INOTIFY_EVENT_ARR_SIZE];
    int eventSize = sizeof(struct inotify_event);
    int eventArrSize = eventSize * INOTIFY_EVENT_ARR_SIZE;

    do {
        if ((fd = inotify_init()) < 0) {
            printf("Open file descriptor failn");
            continue;
        }  

        if ((wd = inotify_add_watch(fd, installlist_path, IN_CREATE | IN_MOVED_TO)) < 0) {
        	printf("Inotify add watch failn");
            close(fd);
            continue;
        }
        break;
    } while (count--);

    if (count < 0) {
    	printf("exitn");
        return -1;
    }

    while (1) {
        memset(eventArr, 0x00, eventArrSize);
        int readLen = read(fd, eventArr, eventArrSize);
        if(readLen <= 0) {
        	printf("Read fail ( Check whether it is interrupted by signaln");
            sleep(1);
            continue;
        }

        int size = readLen / eventSize;
        for (int i = 0; i < size; ++i) {
            if (eventArr[i].len && (eventArr[i].mask & IN_CREATE)) {
                printf("%s/%sn", installlist_path, eventArr[i].nam);
                i += (
                        (eventArr[i].len % eventSize) ? 
                        (eventArr[i].len / eventSize + 1) : 
                        (eventArr[i].len / eventSize)
                    );
            }
        }
    }
    close(fd);
    return 0;
}

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