[src/trunk]: src/lib/librumphijack Define a generic ATCALL() and use it to im...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7965e4c748b2
branches:  trunk
changeset: 336529:7965e4c748b2
user:      pooka <pooka%NetBSD.org@localhost>
date:      Wed Mar 04 23:31:49 2015 +0000

description:
Define a generic ATCALL() and use it to implement utimensat()

diffstat:

 lib/librumphijack/hijack.c |  41 ++++++++++++++++++++++++++++++++++-------
 1 files changed, 34 insertions(+), 7 deletions(-)

diffs (76 lines):

diff -r 0137321652b5 -r 7965e4c748b2 lib/librumphijack/hijack.c
--- a/lib/librumphijack/hijack.c        Wed Mar 04 23:18:21 2015 +0000
+++ b/lib/librumphijack/hijack.c        Wed Mar 04 23:31:49 2015 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: hijack.c,v 1.113 2015/03/03 01:24:39 enami Exp $      */
+/*      $NetBSD: hijack.c,v 1.114 2015/03/04 23:31:49 pooka Exp $      */
 
 /*-
  * Copyright (c) 2011 Antti Kantee.  All Rights Reserved.
@@ -34,7 +34,7 @@
 #include <rump/rumpuser_port.h>
 
 #if !defined(lint)
-__RCSID("$NetBSD: hijack.c,v 1.113 2015/03/03 01:24:39 enami Exp $");
+__RCSID("$NetBSD: hijack.c,v 1.114 2015/03/04 23:31:49 pooka Exp $");
 #endif
 
 #include <sys/param.h>
@@ -525,6 +525,33 @@
 #define DPRINTF(x)
 #endif
 
+#define ATCALL(type, name, rcname, args, proto, vars)                  \
+type name args                                                         \
+{                                                                      \
+       type (*fun) proto;                                              \
+       int isrump = -1;                                                \
+                                                                       \
+       if (fd == AT_FDCWD) {                                           \
+               isrump = path_isrump(path);                             \
+       } else {                                                        \
+               isrump = fd_isrump(fd);                                 \
+       }                                                               \
+                                                                       \
+       DPRINTF(("%s -> %d:%s (%s)\n", __STRING(name),                  \
+           fd, path, isrump ? "rump" : "host"));                       \
+                                                                       \
+       assert(isrump != -1);                                           \
+       if (isrump) {                                                   \
+               fun = syscalls[rcname].bs_rump;                         \
+               if (fd != AT_FDCWD)                                     \
+                       fd = fd_host2rump(fd);                          \
+               path = path_host2rump(path);                            \
+       } else {                                                        \
+               fun = syscalls[rcname].bs_host;                         \
+       }                                                               \
+       return fun vars;                                                \
+}
+
 #define FDCALL(type, name, rcname, args, proto, vars)                  \
 type name args                                                         \
 {                                                                      \
@@ -2238,6 +2265,11 @@
  * Rest are std type calls.
  */
 
+ATCALL(int, utimensat, DUALCALL_UTIMENSAT,                             \
+       (int fd, const char *path, const struct timespec t[2], int f),  \
+       (int, const char *, const struct timespec [2], int),
+       (fd, path, t, f))
+
 FDCALL(int, bind, DUALCALL_BIND,                                       \
        (int fd, const struct sockaddr *name, socklen_t namelen),       \
        (int, const struct sockaddr *, socklen_t),                      \
@@ -2504,11 +2536,6 @@
        (const char *, const struct timeval *),                         \
        (path, tv))
 
-PATHCALL(int, utimensat, DUALCALL_UTIMENSAT,                           \
-       (int fd, const char *path, const struct timespec *ts, int flags), \
-       (int, const char *, const struct timespec *, int),              \
-       (fd, path, ts, flags))
-
 #ifdef HAVE_CHFLAGS
 PATHCALL(int, chflags, DUALCALL_CHFLAGS,                               \
        (const char *path, u_long flags),                               \