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authorPetar Jovanovic <petar.jovanovic@rt-rk.com>2013-04-08 20:26:10 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2013-04-12 14:33:20 +0200
commit5947c697ce71898015ae1c6ac5d23d1ecc388552 (patch)
treeefe4aa208f801e8d100e9a907f7c1f7d9d494ba2 /linux-user
parent183543cdb68a0f2e1ff1c68d37338037dcc9d6c5 (diff)
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linux-user: pass correct host flags to eventfd2 call
This change makes conversion of TARGET_O_NONBLOCK and TARGET_O_CLOEXEC flags to host flags before calling eventfd for TARGET_NR_eventfd2. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/syscall.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ee82a2d..1f07621 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8823,8 +8823,17 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
#endif
#if defined(TARGET_NR_eventfd2)
case TARGET_NR_eventfd2:
- ret = get_errno(eventfd(arg1, arg2));
+ {
+ int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
+ if (arg2 & TARGET_O_NONBLOCK) {
+ host_flags |= O_NONBLOCK;
+ }
+ if (arg2 & TARGET_O_CLOEXEC) {
+ host_flags |= O_CLOEXEC;
+ }
+ ret = get_errno(eventfd(arg1, host_flags));
break;
+ }
#endif
#endif /* CONFIG_EVENTFD */
#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)