ignore this commit

9 files changed, 129 insertions, 10 deletions

diff --git a/.clangd b/.clangd
new file mode 100644
index 0000000..03a6443
--- /dev/null
+++ b/.clangd
@@ -0,0 +1,2 @@
+CompileFlags:
+  Add: [-D_CLANGD=1]
diff --git a/include/macros.h b/include/macros.h
index 3702df7..b7a1bd2 100644
--- a/include/macros.h
+++ b/include/macros.h
@@ -3,10 +3,28 @@
 
 #include "config.h"
 
-#ifdef PTX_MODULE
+#define UNUSED(...) ((void)((void) __VA_ARGS__))
+#define NO_OP_DECL _Static_assert(1, "")
+
+#ifdef __has_attribute
+# if __has_attribute(unavailable)
+#  define PTX_UNAVAILABLE(_x) __attribute__((unavailable(_x)))
+#  define PTX_UNAVAILABLE_DEF(_x, _def) _def PTX_UNAVAILABLE(_x)
+# else
+#  define PTX_UNAVAILABLE(_x)
+#  define PTX_UNAVAILABLE_DEF(_x, _def) /* definition hidden */ NO_OP_DECL
+# endif
+#else
+# define PTX_UNAVAILABLE(_x)
+# define PTX_UNAVAILABLE_DEF(_x, _def) /* definition hidden */ NO_OP_DECL
+#endif
+
+#ifdef PTX_PLUGIN
 #define PTX_API PTX_IMPORT
+#define PTX_INTERNAL(_def) PTX_UNAVAILABLE_DEF("internal API", _def)
 #else
 #define PTX_API PTX_EXPORT
+#define PTX_INTERNAL(_def) _def
 #endif
 
 #endif /* include guard */
diff --git a/include/plugins.h b/include/plugins.h
new file mode 100644
index 0000000..f6865e5
--- /dev/null
+++ b/include/plugins.h
@@ -0,0 +1,24 @@
+#ifndef PTX_PLUGINS_H_INCLUDED
+#define PTX_PLUGINS_H_INCLUDED
+
+#include "macros.h"
+
+typedef struct ptx__plugin_manager_tag ptx_plugin_manager_t;
+typedef struct ptx__plugin_handle_tag ptx_plugin_t;
+
+/* for testing */
+#ifdef _CLANGD
+#undef PTX_PLUGIN
+#define PTX_PLUGIN 1
+#endif
+
+PTX_INTERNAL(ptx_plugin_manager_t *ptx_plugin_manager_new(void) ATTR_MALLOC() ATTR_MALLOC((ptx_plugin_manager_free, 1)) ATTR_WUR);
+PTX_INTERNAL(void ptx_plugin_manager_free(ptx_plugin_manager_t *mgr));
+
+PTX_INTERNAL(int ptx_plugin_manager_load_dir(ptx_plugin_manager_t *mgr, const char *dir));
+
+#ifdef PTX_PLUGIN
+
+#endif
+
+#endif
diff --git a/meson.build b/meson.build
index e144325..f6b16e7 100644
--- a/meson.build
+++ b/meson.build
@@ -22,8 +22,10 @@ conf_data.set('HAS_RESTRICT', c_comp.has_type('int *restrict'))
 
 configure_file(input : 'include/config.h.in', output : 'config.h', configuration : conf_data)
 
-conf_include = include_directories('.')
-src_include = include_directories('include')
+add_project_dependencies(
+  declare_dependency(include_directories : include_directories('.', 'include')),
+  language : 'c'
+)
 
 export_dynamic = []
 
@@ -36,8 +38,14 @@ endif
 subdir('src')
 
 executable('ptxmc', prog_sources,
-  include_directories : [ conf_include, src_include ],
   gnu_symbol_visibility : 'hidden',
   export_dynamic : true)
 
+plugin_kwargs = {
+  'gnu_symbol_visibility' : 'hidden',
+  'c_args' : ['-DPTX_PLUGIN=1'],
+  'name_prefix' : '',
+  'name_suffix' : 'ptxplugin'
+}
+
 subdir('plugins')
diff --git a/plugins/epoll.c b/plugins/epoll.c
new file mode 100644
index 0000000..5c1975a
--- /dev/null
+++ b/plugins/epoll.c
@@ -0,0 +1,2 @@
+#include <sys/epoll.h>
+
diff --git a/plugins/meson.build b/plugins/meson.build
index 59b5da0..c14f536 100644
--- a/plugins/meson.build
+++ b/plugins/meson.build
@@ -1,3 +1,6 @@
-shared_module('m_skibidi', 'skibidi.c',
-  include_directories : [ conf_include, src_include ],
-  c_args : [ '-DMODULE=1' ])
+shared_module('m_skibidi', 'skibidi.c', kwargs : plugin_kwargs)
+
+if c_comp.check_header('sys/epoll.h') \
+    and c_comp.has_header_symbol('sys/epoll.h', 'epoll_create1')
+  shared_module('m_epoll', 'epoll.c', kwargs : plugin_kwargs)
+endif
diff --git a/src/main.c b/src/main.c
index 83ed688..50baf66 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5,8 +5,6 @@
 
 #include "pipeline.h"
 
-#define UNUSED(_v) ((void)(_v))
-
 PIPELINE_STAGE static int identity_stage_handle(const ptx_pipeline_ctx_t *ctx, const void *data, size_t sz)
 {
   return ptx_pipeline_ctx_next(ctx, data, sz);
diff --git a/src/meson.build b/src/meson.build
index d1a3033..ba3d51b 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -1,5 +1,6 @@
 prog_sources = files(
   'pipeline.c',
   'connection.c',
-  'main.c'
+  'main.c',
+  'plugins.c'
 )
diff --git a/src/plugins.c b/src/plugins.c
new file mode 100644
index 0000000..f2f8d14
--- /dev/null
+++ b/src/plugins.c
@@ -0,0 +1,63 @@
+#include "plugins.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <dirent.h>
+
+struct ptx__plugin_manager_tag
+{
+  size_t sz_plugins;
+  ptx_plugin_t *plugins;
+};
+
+struct ptx__plugin_handle_tag
+{
+  char *path;
+};
+
+ptx_plugin_manager_t *ptx_plugin_manager_new(void)
+{
+  ptx_plugin_manager_t *mgr = malloc(sizeof(ptx_plugin_manager_t));
+  if (!mgr) return NULL;
+
+  /* do init */
+  mgr->sz_plugins = 0;
+  mgr->plugins = NULL;
+
+  return mgr;
+}
+
+void ptx_plugin_manager_free(ptx_plugin_manager_t *mgr)
+{
+  if (!mgr) return;
+
+  /* do cleanup */
+
+  free(mgr);
+  return;
+}
+
+int ptx_plugin_manager_load_dir(ptx_plugin_manager_t *mgr, const char *dirnam)
+{
+  struct dirent *ent;
+  DIR *dir = opendir(dirnam);
+
+  if (!dir) {
+    fprintf(stderr, "Failed to load plugins from %s (opendir): %s\n", dirnam, strerror(errno));
+    return -1;
+  }
+
+  while ((errno = 0, ent = readdir(dir))) {
+    
+  }
+
+  if (errno != 0) {
+    fprintf(stderr, "Error reading entries from %s (readdir): %s\n", dirnam, strerror(errno));
+    return -1;
+  }
+
+  return 0;
+}