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@sl0ki
Created June 5, 2015 16:16
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fs_event.c
#include <errno.h> // for errno
#include <fcntl.h> // for O_RDONLY
#include <stdio.h> // for fprintf()
#include <stdlib.h> // for EXIT_SUCCESS
#include <string.h> // for strerror()
#include <sys/event.h> // for kqueue() etc.
#include <unistd.h> // for close()
#include <CoreServices/CoreServices.h>
void mycallback(
ConstFSEventStreamRef streamRef,
void *clientCallBackInfo,
size_t numEvents,
void *eventPaths,
const FSEventStreamEventFlags eventFlags[],
const FSEventStreamEventId eventIds[])
{
int i;
char **paths = eventPaths;
// printf("Callback called\n");
for (i=0; i<numEvents; i++) {
int count;
/* flags are unsigned long, IDs are uint64_t */
printf("Change %llu in %s, flags %lu\n", eventIds[i], paths[i], eventFlags[i]);
}
}
int main (int argc, const char *argv[])
{
/* Define variables and create a CFArray object containing
CFString objects containing paths to watch.
*/
CFStringRef mypath = CFSTR("/path/to/scan");
CFArrayRef pathsToWatch = CFArrayCreate(NULL, (const void **)&mypath, 1, NULL);
void *callbackInfo = NULL; // could put stream-specific data here.
FSEventStreamRef stream;
CFAbsoluteTime latency = 3.0; /* Latency in seconds */
/* Create the stream, passing in a callback */
stream = FSEventStreamCreate(NULL,
&mycallback,
callbackInfo,
pathsToWatch,
kFSEventStreamEventIdSinceNow, /* Or a previous event ID */
latency,
kFSEventStreamCreateFlagNone /* Flags explained in reference */
);
}
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