D26620.id77782.diff
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	Index: sys/kern/vfs_vnops.c
	===================================================================
	--- sys/kern/vfs_vnops.c
	+++ sys/kern/vfs_vnops.c
	@@ -3012,7 +3012,7 @@
	struct uio io;
	off_t startoff, endoff, xfer, xfer2;
	u_long blksize;
	- int error;
	+ int error, interrupted;
	bool cantseek, readzeros, eof, lastblock;
	ssize_t aresid;
	size_t copylen, len, rem, savlen;
	@@ -3022,6 +3022,7 @@
	holein = holeout = 0;
	savlen = len = *lenp;
	error = 0;
	+ interrupted = 0;
	dat = NULL;

	error = vn_lock(invp, LK_SHARED);
	@@ -3111,7 +3112,7 @@
	* support holes on the server, but do not support FIOSEEKHOLE.
	*/
	eof = false;
	- while (len > 0 && error == 0 && !eof) {
	+ while (len > 0 && error == 0 && !eof && interrupted == 0) {
	endoff = 0; /* To shut up compilers. */
	cantseek = true;
	startoff = *inoffp;
	@@ -3172,6 +3173,8 @@
	*inoffp += xfer;
	*outoffp += xfer;
	len -= xfer;
	+ if (len < savlen)
	+ interrupted = sig_intr();
	}
	}
	copylen = MIN(len, endoff - startoff);
	@@ -3193,7 +3196,7 @@
	xfer -= (*inoffp % blksize);
	}
	/* Loop copying the data block. */
	- while (copylen > 0 && error == 0 && !eof) {
	+ while (copylen > 0 && error == 0 && !eof && interrupted == 0) {
	if (copylen < xfer)
	xfer = copylen;
	error = vn_lock(invp, LK_SHARED);
	@@ -3234,6 +3237,8 @@
	*outoffp += xfer;
	copylen -= xfer;
	len -= xfer;
	+ if (len < savlen)
	+ interrupted = sig_intr();
	}
	}
	xfer = blksize;