From d40ecd66182c9dbcf320c63a359917968cc9b73c Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Mon, 6 Jun 2016 19:58:06 +0100 Subject: [PATCH] linux-user: Use safe_syscall wrapper for mq_timedsend and mq_timedreceive Use the safe_syscall wrapper for mq_timedsend and mq_timedreceive syscalls. Signed-off-by: Peter Maydell Signed-off-by: Riku Voipio --- linux-user/syscall.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index b41d2699ef..294e5ee236 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -750,6 +750,12 @@ static int safe_msgrcv(int msgid, void *msgp, size_t sz, long type, int flags) return safe_ipc(Q_IPCCALL(1, Q_MSGRCV), msgid, sz, flags, msgp, type); } #endif +#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) +safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, + size_t, len, unsigned, prio, const struct timespec *, timeout) +safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, + size_t, len, unsigned *, prio, const struct timespec *, timeout) +#endif static inline int host_to_target_sock_type(int host_type) { @@ -10593,11 +10599,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, p = lock_user (VERIFY_READ, arg2, arg3, 1); if (arg5 != 0) { target_to_host_timespec(&ts, arg5); - ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); + ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); host_to_target_timespec(arg5, &ts); + } else { + ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); } - else - ret = get_errno(mq_send(arg1, p, arg3, arg4)); unlock_user (p, arg2, arg3); } break; @@ -10610,11 +10616,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, p = lock_user (VERIFY_READ, arg2, arg3, 1); if (arg5 != 0) { target_to_host_timespec(&ts, arg5); - ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); + ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, + &prio, &ts)); host_to_target_timespec(arg5, &ts); + } else { + ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, + &prio, NULL)); } - else - ret = get_errno(mq_receive(arg1, p, arg3, &prio)); unlock_user (p, arg2, arg3); if (arg4 != 0) put_user_u32(prio, arg4);