From f9bbe3cf28ae7157724a364da6f4a7231f2fdfb3 Mon Sep 17 00:00:00 2001 From: Stacey Son Date: Mon, 25 Sep 2023 21:27:07 +0300 Subject: [PATCH] bsd-user: Implement shmctl(2) Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Message-Id: <20230925182709.4834-22-kariem.taha2.7@gmail.com> --- bsd-user/bsd-mem.h | 39 +++++++++++++++++++++++++++++++++++ bsd-user/freebsd/os-syscall.c | 4 ++++ 2 files changed, 43 insertions(+) diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h index c362cc07a3..b82f3eaa25 100644 --- a/bsd-user/bsd-mem.h +++ b/bsd-user/bsd-mem.h @@ -305,4 +305,43 @@ static inline abi_long do_bsd_shmget(abi_long arg1, abi_ulong arg2, return get_errno(shmget(arg1, arg2, arg3)); } +/* shmctl(2) */ +static inline abi_long do_bsd_shmctl(abi_long shmid, abi_long cmd, + abi_ulong buff) +{ + struct shmid_ds dsarg; + abi_long ret = -TARGET_EINVAL; + + cmd &= 0xff; + + switch (cmd) { + case IPC_STAT: + if (target_to_host_shmid_ds(&dsarg, buff)) { + return -TARGET_EFAULT; + } + ret = get_errno(shmctl(shmid, cmd, &dsarg)); + if (host_to_target_shmid_ds(buff, &dsarg)) { + return -TARGET_EFAULT; + } + break; + + case IPC_SET: + if (target_to_host_shmid_ds(&dsarg, buff)) { + return -TARGET_EFAULT; + } + ret = get_errno(shmctl(shmid, cmd, &dsarg)); + break; + + case IPC_RMID: + ret = get_errno(shmctl(shmid, cmd, NULL)); + break; + + default: + ret = -TARGET_EINVAL; + break; + } + + 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 4f67677eb9..0512d41db7 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -867,6 +867,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, ret = do_bsd_shmget(arg1, arg2, arg3); break; + case TARGET_FREEBSD_NR_shmctl: /* shmctl(2) */ + ret = do_bsd_shmctl(arg1, arg2, arg3); + break; + /* * Misc */