From: Mathis Marion <mathis.marion@silabs.com>
When reading the expiration count from a timerfd, the endianness of the
64bit value read is the one of the host, just as for eventfds.
Signed-off-by: Mathis Marion <mathis.marion@silabs.com>
---
linux-user/fd-trans.c | 10 +++++++---
linux-user/fd-trans.h | 1 +
linux-user/syscall.c | 8 ++++++--
3 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/linux-user/fd-trans.c b/linux-user/fd-trans.c
index 7b25468d02..146aaaafaa 100644
--- a/linux-user/fd-trans.c
+++ b/linux-user/fd-trans.c
@@ -1622,7 +1622,7 @@ TargetFdTrans target_signalfd_trans = {
.host_to_target_data = host_to_target_data_signalfd,
};
-static abi_long swap_data_eventfd(void *buf, size_t len)
+static abi_long swap_data_u64(void *buf, size_t len)
{
uint64_t *counter = buf;
int i;
@@ -1640,8 +1640,12 @@ static abi_long swap_data_eventfd(void *buf, size_t len)
}
TargetFdTrans target_eventfd_trans = {
- .host_to_target_data = swap_data_eventfd,
- .target_to_host_data = swap_data_eventfd,
+ .host_to_target_data = swap_data_u64,
+ .target_to_host_data = swap_data_u64,
+};
+
+TargetFdTrans target_timerfd_trans = {
+ .host_to_target_data = swap_data_u64,
};
#if defined(CONFIG_INOTIFY) && (defined(TARGET_NR_inotify_init) || \
diff --git a/linux-user/fd-trans.h b/linux-user/fd-trans.h
index 1b9fa2041c..910faaf237 100644
--- a/linux-user/fd-trans.h
+++ b/linux-user/fd-trans.h
@@ -130,6 +130,7 @@ extern TargetFdTrans target_netlink_route_trans;
extern TargetFdTrans target_netlink_audit_trans;
extern TargetFdTrans target_signalfd_trans;
extern TargetFdTrans target_eventfd_trans;
+extern TargetFdTrans target_timerfd_trans;
#if (defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)) || \
(defined(CONFIG_INOTIFY1) && defined(TARGET_NR_inotify_init1) && \
defined(__NR_inotify_init1))
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 1e868e9b0e..58549de125 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -13117,8 +13117,12 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int
num, abi_long arg1,
#if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD)
case TARGET_NR_timerfd_create:
- return get_errno(timerfd_create(arg1,
- target_to_host_bitmask(arg2, fcntl_flags_tbl)));
+ ret = get_errno(timerfd_create(arg1,
+ target_to_host_bitmask(arg2, fcntl_flags_tbl)));
+ if (ret >= 0) {
+ fd_trans_register(ret, &target_timerfd_trans);
+ }
+ return ret;
#endif
#if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD)