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Code Issues 1 Releases Wiki Activity

Allow loading current process on windows as well.

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This commit is contained in:
Calvin Rose 2022-06-18 10:31:00 -05:00
parent d803561582
commit e37be627e0
3 changed files with 12 additions and 1 deletions
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3
src/core/ffi.c
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@ -202,6 +202,7 @@ static const JanetAbstractType janet_struct_type = {
typedef struct {
Clib clib;
int closed;
int is_self;
} JanetAbstractNative;
static const JanetAbstractType janet_native_type = {
@ -1115,6 +1116,7 @@ JANET_CORE_FN(janet_core_raw_native,
JanetAbstractNative *anative = janet_abstract(&janet_native_type, sizeof(JanetAbstractNative));
anative->clib = lib;
anative->closed = 0;
anative->is_self = path == NULL;
return janet_wrap_abstract(anative);
}
@ -1138,6 +1140,7 @@ JANET_CORE_FN(janet_core_native_close,
janet_fixarity(argc, 1);
JanetAbstractNative *anative = janet_getabstract(argv, 0, &janet_native_type);
if (anative->closed) janet_panic("native object already closed");
if (anative->is_self) janet_panic("cannot close self");
anative->closed = 1;
free_clib(anative->clib);
return janet_wrap_nil();

8
src/core/util.c
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@ -912,6 +912,14 @@ char *error_clib(void) {
error_clib_buf[strlen(error_clib_buf) - 1] = '\0';
return error_clib_buf;
}
Clib load_clib(const char *name) {
if (name == NULL) {
return GetModuleHandle(NULL);
} else {
return LoadLibrary(name);
}
}
#endif
/* Alloc function macro fills */

2
src/core/util.h
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@ -144,9 +144,9 @@ typedef int Clib;
#elif defined(JANET_WINDOWS)
#include <windows.h>
typedef HINSTANCE Clib;
#define load_clib(name) LoadLibrary((name))
#define free_clib(c) FreeLibrary((c))
#define symbol_clib(lib, sym) GetProcAddress((lib), (sym))
Clib load_clib(const char *name);
char *error_clib(void);
#else
#include <dlfcn.h>