feat: initial commit

Signed-off-by: Harald Hoyer <harald@matterlabs.dev>

packages/libuv/no-eventfd.patch

@@ -0,0 +1,36 @@
+diff --git a/src/unix/async.c b/src/unix/async.c
+index 0ff2669e..2bb87863 100644
+--- a/src/unix/async.c
++++ b/src/unix/async.c
+@@ -35,6 +35,13 @@
+ #include <sched.h>  /* sched_yield() */
+ 
+ #ifdef __linux__
++#define HAVE_EVENT_FD
++#endif
++
++// No eventfd for gramine
++#undef HAVE_EVENT_FD
++
++#ifdef HAVE_EVENT_FD
+ #include <sys/eventfd.h>
+ #endif
+ 
+@@ -188,7 +195,7 @@ static void uv__async_send(uv_loop_t* loop) {
+   len = 1;
+   fd = loop->async_wfd;
+ 
+-#if defined(__linux__)
++#if defined(HAVE_EVENT_FD)
+   if (fd == -1) {
+     static const uint64_t val = 1;
+     buf = &val;
+@@ -219,7 +226,7 @@ static int uv__async_start(uv_loop_t* loop) {
+   if (loop->async_io_watcher.fd != -1)
+     return 0;
+ 
+-#ifdef __linux__
++#ifdef HAVE_EVENT_FD
+   err = eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK);
+   if (err < 0)
+     return UV__ERR(errno);