bsd/kern/sys_generic.c

155 __private_extern__ int	preparefileread(struct proc *p, struct fileproc **fp_ret, int fd, int check_for_vnode);
156 __private_extern__ void	donefileread(struct proc *p, struct fileproc *fp_ret, int fd);
207 	int fd = uap->fd;
210 	if ( (error = preparefileread(p, &fp, fd, 0)) )
219 	donefileread(p, fp, fd);
245 	int fd = uap->fd;
249 	if ( (error = preparefileread(p, &fp, fd, 1)) )
258 	donefileread(p, fp, fd);
261 	      uap->fd, uap->nbyte, (unsigned int)((uap->offset >> 32)), (unsigned int)(uap->offset), 0);
272 donefileread(struct proc *p, struct fileproc *fp, int fd)
278 	fp_drop(p, fd, fp, 1);
291 preparefileread(struct proc *p, struct fileproc **fp_ret, int fd, int check_for_pread)
297 	AUDIT_ARG(fd, fd);
301 	error = fp_lookup(p, fd, &fp, 1);
336 	fp_drop(p, fd, fp, 1);
433 	error = rd_uio(p, uap->fd, auio, retval);
463 	int fd = uap->fd;
465 	AUDIT_ARG(fd, fd);
467 	error = fp_lookup(p,fd,&fp,0);
480 	        fp_drop_written(p, fd, fp);
482 	        fp_drop(p, fd, fp, 0);
509 	int fd = uap->fd;
512 	AUDIT_ARG(fd, fd);
514 	error = fp_lookup(p,fd,&fp,0);
547 	        fp_drop_written(p, fd, fp);
549 	        fp_drop(p, fd, fp, 0);
552 	      uap->fd, uap->nbyte, (unsigned int)((uap->offset >> 32)), (unsigned int)(uap->offset), 0);
620 	AUDIT_ARG(fd, uap->fd);
649 	error = wr_uio(p, uap->fd, auio, retval);
753 	int fd = uap->fd;
756 	AUDIT_ARG(fd, uap->fd);
768 	error = fp_lookup(p,fd,&fp,1);
814 		*fdflags(p, uap->fd) &= ~UF_EXCLOSE;
818 		*fdflags(p, uap->fd) |= UF_EXCLOSE;
948 	fp_drop(p, fd, fp, 1);
1316 	int msk, i, j, fd;
1356 				while ((j = ffs(bits)) && (fd = i + --j) < nfd) {
1358 					fp = fdp->fd_ofiles[fd];
1360 					if (fp == NULL || (fdp->fd_ofileflags[fd] & UF_RESERVED)) {
1363 						 * fd, let the caller unwind...
1391 						optr[fd/NFDBITS] |= (1 << (fd % NFDBITS));
1434 	 * This is kinda bogus.  We have fd limits, but that is not
1484 		/* per spec, ignore fd values below zero */
1485 		if (fds[i].fd < 0) {
1491 		kev.ident = fds[i].fd;
1635  *		nfd			The number of fd's in the vector
1641  *						references an invalid fd
1643  * Implicit:	*countp (modified)	Count of fd's
1654 	int msk, i, j, fd;
1679 			while ((j = ffs(bits)) && (fd = i + --j) < nfd) {
1681 				fp = fdp->fd_ofiles[fd];
1683 					(fdp->fd_ofileflags[fd] & UF_RESERVED)) {
1722  *		ibits			Input pit bector of fd's
1723  *		nfd			Number of fd's
1735  * Notes:	An fd make become bad while the proc_fdlock() is not held,
1736  *		if a multithreaded application closes the fd out from under
1744 	int msk, i, j, fd;
1769 			while ((j = ffs(bits)) && (fd = i + --j) < nfd) {
1771 				fp = fdp->fd_ofiles[fd];
2708 /* this routine is called from the close of fd with proc_fdlock held */