diff options
| -rw-r--r-- | bsd-user/bsd-mem.h | 25 | ||||
| -rw-r--r-- | bsd-user/freebsd/os-syscall.c | 4 |
2 files changed, 29 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 */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 92793ab1fb..0d4c3118f0 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -843,6 +843,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, ret = do_bsd_mincore(arg1, arg2, arg3); break; + case TARGET_FREEBSD_NR_freebsd12_shm_open: /* shm_open(2) */ + ret = do_bsd_shm_open(arg1, arg2, arg3); + break; + #if defined(__FreeBSD_version) && __FreeBSD_version >= 1300048 case TARGET_FREEBSD_NR_shm_open2: /* shm_open2(2) */ ret = do_freebsd_shm_open2(arg1, arg2, arg3, arg4, arg5); |