[PULL,02/13] linux-user: implement getsockopt SO_RCVTIMEO and SO_SNDTIMEO
diff mbox series

Message ID 20200220092053.1510215-3-laurent@vivier.eu
State New
Headers show
Series
  • [PULL,01/13] linux-user: Implement membarrier syscall
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Commit Message

Laurent Vivier Feb. 20, 2020, 9:20 a.m. UTC
From: Andreas Schwab <schwab@suse.de>

Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <mvmlfzaoh9p.fsf@suse.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/syscall.c | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

Patch
diff mbox series

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 7aaa9d96397c..9fa722f2388d 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2310,10 +2310,42 @@  static abi_long do_getsockopt(int sockfd, int level, int optname,
         level = SOL_SOCKET;
         switch (optname) {
         /* These don't just return a single integer */
-        case TARGET_SO_RCVTIMEO:
-        case TARGET_SO_SNDTIMEO:
         case TARGET_SO_PEERNAME:
             goto unimplemented;
+        case TARGET_SO_RCVTIMEO: {
+            struct timeval tv;
+            socklen_t tvlen;
+
+            optname = SO_RCVTIMEO;
+
+get_timeout:
+            if (get_user_u32(len, optlen)) {
+                return -TARGET_EFAULT;
+            }
+            if (len < 0) {
+                return -TARGET_EINVAL;
+            }
+
+            tvlen = sizeof(tv);
+            ret = get_errno(getsockopt(sockfd, level, optname,
+                                       &tv, &tvlen));
+            if (ret < 0) {
+                return ret;
+            }
+            if (len > sizeof(struct target_timeval)) {
+                len = sizeof(struct target_timeval);
+            }
+            if (copy_to_user_timeval(optval_addr, &tv)) {
+                return -TARGET_EFAULT;
+            }
+            if (put_user_u32(len, optlen)) {
+                return -TARGET_EFAULT;
+            }
+            break;
+        }
+        case TARGET_SO_SNDTIMEO:
+            optname = SO_SNDTIMEO;
+            goto get_timeout;
         case TARGET_SO_PEERCRED: {
             struct ucred cr;
             socklen_t crlen;