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[Qemu-devel] [PATCH 07/18] linux-user: Use safe_syscall wrapper for rt_s


From: Peter Maydell
Subject: [Qemu-devel] [PATCH 07/18] linux-user: Use safe_syscall wrapper for rt_sigtimedwait syscall
Date: Mon, 6 Jun 2016 19:58:08 +0100

Use the safe_syscall wrapper for the rt_sigtimedwait syscall.

Signed-off-by: Peter Maydell <address@hidden>
---
 linux-user/syscall.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 559b4f7..300edc4 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -710,6 +710,8 @@ safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, 
size_t, len,
 safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, 
flags)
 safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags)
 safe_syscall2(int, flock, int, fd, int, operation)
+safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, 
uinfo,
+              const struct timespec *, uts, size_t, sigsetsize)
 #ifdef __NR_msgsnd
 safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz,
               int, flags)
@@ -7110,7 +7112,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
             } else {
                 puts = NULL;
             }
-            ret = get_errno(sigtimedwait(&set, &uinfo, puts));
+            ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts,
+                                                 SIGSET_T_SIZE));
             if (!is_error(ret)) {
                 if (arg2) {
                     p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
-- 
1.9.1




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