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authorJing Huang <jing.huang.pku@gmail.com>2012-07-24 14:01:42 +0000
committerPeter Maydell <peter.maydell@linaro.org>2012-08-14 20:26:55 +0100
commitaebf5bc727fa1837b3c5296c5325b560f19ed9ee (patch)
treeeddff0c9dd78483eb96c07fb0bae486cb56f41c3
parent920394db819e30fbbfa527f25e45360061d1a220 (diff)
downloadqemu-arm-aebf5bc727fa1837b3c5296c5325b560f19ed9ee.tar.gz
linux-user: make host_to_target_cmsg support SO_TIMESTAMP cmsg_type
Signed-off-by: Jing Huang <jing.huang.pku@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--linux-user/syscall.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ae9c1d0d12..41c869bfe0 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1359,16 +1359,28 @@ static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len));
- if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
- gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
- memcpy(target_data, data, len);
- } else {
+ if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) &&
+ (cmsg->cmsg_type == SCM_RIGHTS)) {
int *fd = (int *)data;
int *target_fd = (int *)target_data;
int i, numfds = len / sizeof(int);
for (i = 0; i < numfds; i++)
target_fd[i] = tswap32(fd[i]);
+ } else if ((cmsg->cmsg_level == TARGET_SOL_SOCKET) &&
+ (cmsg->cmsg_type == SO_TIMESTAMP) &&
+ (len == sizeof(struct timeval))) {
+ /* copy struct timeval to target */
+ struct timeval *tv = (struct timeval *)data;
+ struct target_timeval *target_tv =
+ (struct target_timeval *)target_data;
+
+ target_tv->tv_sec = tswapal(tv->tv_sec);
+ target_tv->tv_usec = tswapal(tv->tv_usec);
+ } else {
+ gemu_log("Unsupported ancillary data: %d/%d\n",
+ cmsg->cmsg_level, cmsg->cmsg_type);
+ memcpy(target_data, data, len);
}
cmsg = CMSG_NXTHDR(msgh, cmsg);