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| author | Stacey Son <sson@FreeBSD.org> | 2023-09-25 21:27:05 +0300 |
|---|---|---|
| committer | Warner Losh <imp@bsdimp.com> | 2023-10-03 17:14:07 -0600 |
| commit | 4f0be683e399e7685608b83240da099ea45d84e6 (patch) | |
| tree | bc968e7cb72dddd9a662b2bc022aefc53676643f /bsd-user/bsd-mem.h | |
| parent | a99d74034754b1d8735d814cf17db6bf0eb4bfd1 (diff) | |
| download | focaccia-qemu-4f0be683e399e7685608b83240da099ea45d84e6.tar.gz focaccia-qemu-4f0be683e399e7685608b83240da099ea45d84e6.zip | |
bsd-user: Implement shm_open(2)
Co-authored-by: Kyle Evans <kevans@FreeBSD.org> Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Kyle Evans <kevans@FreeBSD.org> Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230925182709.4834-20-kariem.taha2.7@gmail.com>
Diffstat (limited to 'bsd-user/bsd-mem.h')
| -rw-r--r-- | bsd-user/bsd-mem.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index b296c5c6f0..f8dc943c23 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -257,4 +257,29 @@ static inline abi_long do_obreak(abi_ulong brk_val) return target_brk; } +/* shm_open(2) */ +static inline abi_long do_bsd_shm_open(abi_ulong arg1, abi_long arg2, + abi_long arg3) +{ + int ret; + void *p; + + if (arg1 == (uintptr_t)SHM_ANON) { + p = SHM_ANON; + } else { + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + } + ret = get_errno(shm_open(p, target_to_host_bitmask(arg2, fcntl_flags_tbl), + arg3)); + + if (p != SHM_ANON) { + unlock_user(p, arg1, 0); + } + + return ret; +} + #endif /* BSD_USER_BSD_MEM_H */ |