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Implement BSD, Apple dir watch (#35)

This commit is contained in:
Arun Prakash Jana 2017-08-21 22:03:26 +05:30 committed by GitHub
parent e4596db30a
commit 96e9028226
1 changed files with 38 additions and 1 deletions
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39
nnn.c
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@ -9,6 +9,9 @@
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) \
|| defined(__APPLE__)
# include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>
#define BSD_KQUEUE
#else
# include <sys/sysmacros.h>
#endif
@ -131,6 +134,9 @@ disabledbg()
#ifdef LINUX_INOTIFY
#define EVENT_SIZE (sizeof(struct inotify_event))
#define EVENT_BUF_LEN (1024 * (EVENT_SIZE + 16))
#elif defined(BSD_KQUEUE)
#define NUM_EVENT_SLOTS 1
#define NUM_EVENT_FDS 1
#endif
typedef unsigned long ulong;
@ -198,6 +204,11 @@ static uchar color = 4;
#ifdef LINUX_INOTIFY
static int inotify_fd, inotify_wd = -1;
static uint INOTIFY_MASK = IN_ATTRIB | IN_CREATE | IN_DELETE | IN_DELETE_SELF | IN_MODIFY | IN_MOVE_SELF | IN_MOVED_FROM | IN_MOVED_TO;
#elif defined(BSD_KQUEUE)
static int kq, event_fd = -1;
static struct kevent events_to_monitor[NUM_EVENT_FDS];
static uint KQUEUE_FFLAGS = NOTE_DELETE | NOTE_EXTEND | NOTE_LINK | NOTE_RENAME | NOTE_REVOKE | NOTE_WRITE;
static struct timespec gtimeout;
#endif
/* Utilities to open files, run actions */
@ -768,6 +779,8 @@ nextsel(char **run, char **env, int *presel)
static uint len = LEN(bindings);
#ifdef LINUX_INOTIFY
static char inotify_buf[EVENT_BUF_LEN];
#elif defined(BSD_KQUEUE)
static struct kevent event_data[NUM_EVENT_SLOTS];
#endif
c = *presel;
@ -786,8 +799,11 @@ nextsel(char **run, char **env, int *presel)
*/
if (!cfg.blkorder && inotify_wd >= 0 && idle & 1)
if (read(inotify_fd, inotify_buf, EVENT_BUF_LEN) > 0)
c = CONTROL('L');
#elif defined(BSD_KQUEUE)
if (!cfg.blkorder && event_fd >= 0 && idle & 1)
if (kevent(kq, events_to_monitor, NUM_EVENT_SLOTS, event_data, NUM_EVENT_FDS, &gtimeout) > 0)
#endif
c = CONTROL('L');
} else
idle = 0;
@ -1945,6 +1961,9 @@ begin:
#ifdef LINUX_INOTIFY
if (inotify_wd >= 0)
inotify_rm_watch(inotify_fd, inotify_wd);
#elif defined(BSD_KQUEUE)
if (event_fd >= 0)
close(event_fd);
#endif
if (populate(path, oldpath, fltr) == -1) {
@ -1954,6 +1973,10 @@ begin:
#ifdef LINUX_INOTIFY
inotify_wd = inotify_add_watch(inotify_fd, path, INOTIFY_MASK);
#elif defined(BSD_KQUEUE)
event_fd = open(path, O_EVTONLY);
if (event_fd >= 0)
EV_SET(&events_to_monitor[0], event_fd, EVFILT_VNODE, EV_ADD | EV_CLEAR, KQUEUE_FFLAGS, 0, path);
#endif
for (;;) {
@ -2627,6 +2650,15 @@ main(int argc, char *argv[])
fprintf(stderr, "Cannot initialize inotify: %s\n", strerror(errno));
exit(1);
}
#elif defined(BSD_KQUEUE)
kq = kqueue();
if (kq < 0) {
fprintf(stderr, "Cannot initialize kqueue: %s\n", strerror(errno));
exit(1);
}
gtimeout.tv_sec = 0;
gtimeout.tv_nsec = 50; /* 50 ns delay */
#endif
/* Parse bookmarks string, if available */
@ -2679,7 +2711,12 @@ main(int argc, char *argv[])
if (inotify_wd >= 0)
inotify_rm_watch(inotify_fd, inotify_wd);
close(inotify_fd);
#elif defined(BSD_KQUEUE)
if (event_fd >= 0)
close(event_fd);
close(kq);
#endif
#ifdef DEBUGMODE
disabledbg();
#endif