Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/libc-bottom-half/sources/accept.c b/libc-bottom-half/sources/accept.c
new file mode 100644
index 0000000..902e731
--- /dev/null
+++ b/libc-bottom-half/sources/accept.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: BSD-2-Clause
+
+#include <sys/socket.h>
+
+#include <assert.h>
+#include <wasi/api.h>
+#include <errno.h>
+#include <string.h>
+
+int accept(int socket, struct sockaddr *restrict addr, socklen_t *restrict addrlen) {
+  int ret = -1;
+
+  __wasi_errno_t error = __wasi_sock_accept(socket, 0, &ret);
+
+  if (error != 0) {
+    errno = error;
+    return -1;
+  }
+
+  // Clear sockaddr to indicate undefined address
+  memset(addr, 0, *addrlen);
+  // might be AF_UNIX or AF_INET
+  addr->sa_family = AF_UNSPEC;
+  *addrlen = sizeof(struct sockaddr);
+
+  return ret;
+}
+
+int accept4(int socket, struct sockaddr *restrict addr, socklen_t *restrict addrlen, int flags) {
+  int ret = -1;
+
+  if (flags & ~(SOCK_NONBLOCK | SOCK_CLOEXEC)) {
+    errno = EINVAL;
+    return -1;
+  }
+
+  __wasi_errno_t error = __wasi_sock_accept(socket, (flags & SOCK_NONBLOCK) ? __WASI_FDFLAGS_NONBLOCK : 0, &ret);
+
+  if (error != 0) {
+    errno = error;
+    return -1;
+  }
+
+  // Clear sockaddr to indicate undefined address
+  memset(addr, 0, *addrlen);
+  // might be AF_UNIX or AF_INET
+  addr->sa_family = AF_UNSPEC;
+  *addrlen = sizeof(struct sockaddr);
+
+  return ret;
+}