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linux-user/syscall.c: add target-to-host mapping for epoll_create1()

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Noticed by Barnabás Virágh as a python-3.7 failue on qemu-alpha.

The bug shows up on alpha as it's one of the targets where
EPOLL_CLOEXEC differs from other targets:
    sysdeps/unix/sysv/linux/alpha/bits/epoll.h: EPOLL_CLOEXEC  = 01000000
    sysdeps/unix/sysv/linux/bits/epoll.h:        EPOLL_CLOEXEC = 02000000

Bug: https://bugs.gentoo.org/717548
Reported-by: Barnabás Virágh
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
CC: Riku Voipio <riku.voipio@iki.fi>
CC: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200415220508.5044-1-slyfox@gentoo.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Sergei Trofimovich 2020-04-15 23:05:08 +01:00 committed by Laurent Vivier
parent 20038cd7a8
commit 386d386568
1 changed files with 1 additions and 1 deletions
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linux-user/syscall.c
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@ -12012,7 +12012,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
#endif
#if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1)
case TARGET_NR_epoll_create1:
return get_errno(epoll_create1(arg1));
return get_errno(epoll_create1(target_to_host_bitmask(arg1, fcntl_flags_tbl)));
#endif
#if defined(TARGET_NR_epoll_ctl)
case TARGET_NR_epoll_ctl: