filesystemtest.c

#include <stdio.h>
#include <stdlib.h>
#include <uv.h>

uv_loop_t *loop;
void fs_callback(uv_fs_event_t *handle, const char *filename, int events, int status) {
    fprintf(stderr, "Change detected(%d) in %s: ", events, handle->path);
    if (events & UV_RENAME)
	fprintf(stderr, "renamed");
    if (events & UV_CHANGE)
	fprintf(stderr, "changed");
    fprintf(stderr, " %s\n", filename ? filename : "");

}
int main(int argc, char **argv) {
    if (argc <= 1) {
	fprintf(stderr, "Usage: %s <file1> [file2 ...]\n", argv[0]);
	return 1;
    }
    loop = uv_default_loop();
    while (argc-- > 1) {
	fprintf(stderr, "Adding watch on %s\n", argv[argc]);
	uv_fs_event_t *fs_event_req = malloc(sizeof(uv_fs_event_t));
	uv_fs_event_init(loop, fs_event_req);
	// The recursive flag watches subdirectories too.
	uv_fs_event_start(fs_event_req, fs_callback, argv[argc], UV_FS_EVENT_RECURSIVE);
    }
    return uv_run(loop, UV_RUN_DEFAULT);
}