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Kernel+Userspace: Implement the accept4() system call

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Unlike accept() the new accept4() system call lets the caller specify
flags for the newly accepted socket file descriptor, such as
SOCK_CLOEXEC and SOCK_NONBLOCK.
This commit is contained in:
Gunnar Beutner 2021-05-16 19:56:11 +02:00 • committed by Andreas Kling
parent 529f605ac8
commit 89956cb0d6
7 changed files with 49 additions and 18 deletions
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8
Userland/Libraries/LibC/sys/socket.cpp
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@ -34,7 +34,13 @@ int listen(int sockfd, int backlog)
int accept(int sockfd, sockaddr* addr, socklen_t* addrlen)
{
int rc = syscall(SC_accept, sockfd, addr, addrlen);
return accept4(sockfd, addr, addrlen, 0);
}
int accept4(int sockfd, sockaddr* addr, socklen_t* addrlen, int flags)
{
Syscall::SC_accept4_params params { sockfd, addr, addrlen, flags };
int rc = syscall(SC_accept4, &params);
__RETURN_WITH_ERRNO(rc, rc, -1);
}