From 5413fb67d5454666cd4606ac51e8f8d1ae31aa6e Mon Sep 17 00:00:00 2001
From: tslil <tslil@posteo.de>
Date: Sat, 4 Apr 2026 17:44:21 +0100
Subject: cleanup

---
 somebar/src/shm_buffer.cpp | 85 ----------------------------------------------
 1 file changed, 85 deletions(-)
 delete mode 100644 somebar/src/shm_buffer.cpp

(limited to 'somebar/src/shm_buffer.cpp')

diff --git a/somebar/src/shm_buffer.cpp b/somebar/src/shm_buffer.cpp
deleted file mode 100644
index 59baf6f..0000000
--- a/somebar/src/shm_buffer.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-// somebar - dwl bar
-// See LICENSE file for copyright and license details.
-
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include "shm_buffer.hpp"
-#include "common.hpp"
-
-static int createAnonShm();
-constexpr int n = 2;
-
-ShmBuffer::ShmBuffer(int w, int h, wl_shm_format format)
-	: width(w)
-	, height(h)
-	, stride(w*4)
-{
-	auto oneSize = stride*size_t(h);
-	auto totalSize = oneSize * n;
-	auto fd = createAnonShm();
-	if (fd < 0) {
-		diesys("memfd_create");
-	}
-	if (ftruncate(fd, totalSize) < 0) {
-		diesys("ftruncate");
-	}
-	auto pool = wl_shm_create_pool(shm, fd, totalSize);
-	auto ptr = reinterpret_cast<uint8_t*>(mmap(nullptr, totalSize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0));
-	if (!ptr) {
-		diesys("mmap");
-	}
-	_mapping = MemoryMapping {ptr, totalSize};
-	close(fd);
-	for (auto i=0; i<n; i++) {
-		auto offset = oneSize*i;
-		_buffers[i] = {
-			ptr+offset,
-			wl_unique_ptr<wl_buffer> { wl_shm_pool_create_buffer(pool, offset, width, height, stride, format) },
-		};
-	}
-	wl_shm_pool_destroy(pool);
-}
-
-uint8_t* ShmBuffer::data()
-{
-	return _buffers[_current].data;
-}
-
-wl_buffer* ShmBuffer::buffer()
-{
-	return _buffers[_current].buffer.get();
-}
-
-void ShmBuffer::flip()
-{
-	_current = 1-_current;
-}
-
-#if defined(__linux__)
-int createAnonShm() {
-	return memfd_create("wl_shm", MFD_CLOEXEC);
-}
-#elif defined(__FreeBSD__)
-int createAnonShm() {
-	auto fd = shm_open(SHM_ANON, O_CREAT | O_RDWR, 0600);
-	setCloexec(fd);
-	return fd;
-}
-#elif defined(__OpenBSD__)
-int createAnonShm() {
-	char name[] = "/wl_shm-XXXXXX";
-	auto fd = shm_mkstemp(name);
-	if (fd >= 0) {
-		auto res = shm_unlink(name);
-		if (res < 0) {
-			return res;
-		}
-	}
-	setCloexec(fd);
-	return fd;
-}
-#else
-#error "your system has no sane method of creating an anonymous shared memory object. no, calling shm_open in a loop is not sane."
-#endif
-- 
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