From ab7f9b938f8f0008fe71e8c790afb7f86a267e1c Mon Sep 17 00:00:00 2001 From: Christopher Faylor Date: Fri, 30 Aug 2002 15:47:10 +0000 Subject: * miscfuncs.cc (check_iovec_for_read): Don't check buffer when zero length iov_len. (check_iovec_for_write): Ditto. * fhandler.h (fhandler_base::readv): New method. (fhandler_base::writev): Ditto. * fhandler.cc (fhandler_base::readv): New method. (fhandler_base::writev): Ditto. * syscalls.cc (_read): Delegate to readv(2). (_write): Ditto, mutatis mutandi. (readv): Rewrite, based on the old _read code, to use the new fhandler_base::readv method. Improve access mode handling and ensure all calls reach the final strace statement. (writev): Ditto, mutatis mutandi. * include/sys/uio.h (struct iovec): Change field types to match SUSv3. * winsup.h (check_iovec_for_read): New function. (check_iovec_for_write): Ditto. * miscfuncs.cc (check_iovec_for_read): Ditto. (check_iovec_for_write): Ditto. --- winsup/cygwin/fhandler.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'winsup/cygwin/fhandler.h') diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h index ec72091e3..a63c0514e 100644 --- a/winsup/cygwin/fhandler.h +++ b/winsup/cygwin/fhandler.h @@ -116,6 +116,7 @@ class path_conv; class fhandler_disk_file; typedef struct __DIR DIR; struct dirent; +struct iovec; enum bg_check_types { @@ -297,6 +298,8 @@ class fhandler_base virtual char const * ttyname () { return get_name(); } virtual int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3))); virtual int write (const void *ptr, size_t len); + virtual ssize_t readv (const struct iovec *, int iovcnt, ssize_t tot = -1); + virtual ssize_t writev (const struct iovec *, int iovcnt, ssize_t tot = -1); virtual __off64_t lseek (__off64_t offset, int whence); virtual int lock (int, struct flock *); virtual void dump (); -- cgit v1.2.3