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[Qemu-devel] [PATCH] linux-user: implement getsockopt SO_RCVTIMEO and SO
From: |
Andreas Schwab |
Subject: |
[Qemu-devel] [PATCH] linux-user: implement getsockopt SO_RCVTIMEO and SO_SNDTIMEO |
Date: |
Mon, 13 May 2019 11:06:26 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) |
Signed-off-by: Andreas Schwab <address@hidden>
---
linux-user/syscall.c | 36 ++++++++++++++++++++++++++++++++++--
1 file changed, 34 insertions(+), 2 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index d113a65831..ba5775a94e 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2171,10 +2171,42 @@ 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;
--
2.21.0
--
Andreas Schwab, SUSE Labs, address@hidden
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
- [Qemu-devel] [PATCH] linux-user: implement getsockopt SO_RCVTIMEO and SO_SNDTIMEO,
Andreas Schwab <=