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o If the file being tailed is moved back to the original location,

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resume using kqueue to monitor it, if possible.
  o auto-clear the read filter on EOF; this is needed when tailing a FIFO.
This commit is contained in:
Jonathan Lemon 2001-06-06 17:47:13 +00:00
parent 3b6e32b01e
commit a8fb4e2810
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=77823
1 changed files with 3 additions and 1 deletions
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4
usr.bin/tail/forward.c
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@ -204,7 +204,7 @@ forward(fp, style, off, sbp)
n++;
}
EV_SET(&ev[n], fileno(fp), EVFILT_READ,
EV_ADD | EV_ENABLE, 0, 0, 0);
EV_ADD | EV_ENABLE | EV_CLEAR, 0, 0, 0);
n++;
if (kevent(kq, ev, n, NULL, 0, &ts) < 0) {
@ -251,6 +251,8 @@ forward(fp, style, off, sbp)
*sbp = sb2;
if (kq != -1)
action = ADD_EVENTS;
} else if (kq != -1) {
action = USE_KQUEUE;
}
}
break;