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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>
This commit is contained in:
Petar Jovanovic 2013-04-08 20:26:10 +02:00 committed by Stefan Hajnoczi
parent 183543cdb6
commit 5947c697ce
1 changed files with 10 additions and 1 deletions
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11
linux-user/syscall.c
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@ -8823,8 +8823,17 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
#endif #endif
#if defined(TARGET_NR_eventfd2) #if defined(TARGET_NR_eventfd2)
case 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; break;
}
#endif #endif
#endif /* CONFIG_EVENTFD */ #endif /* CONFIG_EVENTFD */
#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)