fx.io: import system-level streams and uni-directional pipes

2026-06-10 19:08:36 +01:00
parent 15784c3404
commit 2512611f8f
5 changed files with 240 additions and 0 deletions
@@ -0,0 +1,30 @@
+#include "posix.h"
+
+#include <errno.h>
+#include <fx/io/stream.h>
+#include <unistd.h>
+
+fx_status fx_pipe_create(fx_iostream **reader, fx_iostream **writer)
+{
+	int fds[2];
+	int err = pipe(fds);
+	if (err != 0) {
+		return fx_status_from_errno(errno, FX_ERR_NOT_SUPPORTED);
+	}
+
+	fprintf(stderr, "created pipe %d->%d\n", fds[1], fds[0]);
+	fx_iostream *r = fx_iostream_create(FX_STREAM_READ, fds[0], true);
+	fx_iostream *w = fx_iostream_create(FX_STREAM_WRITE, fds[1], true);
+
+	if (!r || !w) {
+		fx_iostream_unref(r);
+		fx_iostream_unref(w);
+		close(fds[0]);
+		close(fds[1]);
+		return FX_ERR_NO_MEMORY;
+	}
+
+	*reader = r;
+	*writer = w;
+	return FX_SUCCESS;
+}