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Kernel+LibC+UserspaceEmulator: Mostly add recvmsg(), sendmsg()

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The implementation only supports a single iovec for now.
Some might say having more than one iovec is the main point of
recvmsg() and sendmsg(), but I'm interested in the control message
bits.
This commit is contained in:
Nico Weber 2020-09-16 11:45:00 -04:00 • committed by Andreas Kling
parent 19f2203b53
commit b36a2d6686
9 changed files with 158 additions and 79 deletions
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4
Kernel/Process.h
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@ -290,8 +290,8 @@ public:
int sys$accept(int sockfd, Userspace<sockaddr*>, Userspace<socklen_t*>);
int sys$connect(int sockfd, Userspace<const sockaddr*>, socklen_t);
int sys$shutdown(int sockfd, int how);
ssize_t sys$sendto(Userspace<const Syscall::SC_sendto_params*>);
ssize_t sys$recvfrom(Userspace<const Syscall::SC_recvfrom_params*>);
ssize_t sys$sendmsg(int sockfd, Userspace<const struct msghdr*>, int flags);
ssize_t sys$recvmsg(int sockfd, Userspace<struct msghdr*>, int flags);
int sys$getsockopt(Userspace<const Syscall::SC_getsockopt_params*>);
int sys$setsockopt(Userspace<const Syscall::SC_setsockopt_params*>);
int sys$getsockname(Userspace<const Syscall::SC_getsockname_params*>);