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ruby/SOURCES/ruby-fiddle-1.1.1-closure-f...

129 lines
3.7 KiB

From beb0358d90ad77e59cf5d13cc2469de94fe06331 Mon Sep 17 00:00:00 2001
From: Sutou Kouhei <kou@clear-code.com>
Date: Thu, 15 Sep 2022 07:08:20 +0900
Subject: [PATCH] merge revision(s) a4ad6bd9aac564e93219284c912b26a72f9e82fc:
[ruby/fiddle] closure: free resources when an exception is raised in
Closure.new
GitHub: GH-102
https://github.com/ruby/fiddle/commit/81a8a56239
---
ext/fiddle/closure.c | 56 ++++++++++++++++++++++++++++++++++++++++------------
1 file changed, 43 insertions(+), 13 deletions(-)
---
ext/fiddle/closure.c | 56 ++++++++++++++++++++++++++++++++++----------
1 file changed, 43 insertions(+), 13 deletions(-)
diff --git a/ext/fiddle/closure.c b/ext/fiddle/closure.c
index 27f448a24f..c08ec5940d 100644
--- a/ext/fiddle/closure.c
+++ b/ext/fiddle/closure.c
@@ -224,9 +224,16 @@ allocate(VALUE klass)
return i;
}
+typedef struct {
+ VALUE self;
+ int argc;
+ VALUE *argv;
+} initialize_data;
+
static VALUE
-initialize(int rbargc, VALUE argv[], VALUE self)
+initialize_body(VALUE user_data)
{
+ initialize_data *data = (initialize_data *)user_data;
VALUE ret;
VALUE args;
VALUE normalized_args;
@@ -237,14 +244,14 @@ initialize(int rbargc, VALUE argv[], VALUE self)
ffi_status result;
int i, argc;
- if (2 == rb_scan_args(rbargc, argv, "21", &ret, &args, &abi))
- abi = INT2NUM(FFI_DEFAULT_ABI);
+ if (2 == rb_scan_args(data->argc, data->argv, "21", &ret, &args, &abi))
+ abi = INT2NUM(FFI_DEFAULT_ABI);
Check_Type(args, T_ARRAY);
argc = RARRAY_LENINT(args);
- TypedData_Get_Struct(self, fiddle_closure, &closure_data_type, cl);
+ TypedData_Get_Struct(data->self, fiddle_closure, &closure_data_type, cl);
cl->argv = (ffi_type **)xcalloc(argc + 1, sizeof(ffi_type *));
@@ -257,8 +264,8 @@ initialize(int rbargc, VALUE argv[], VALUE self)
cl->argv[argc] = NULL;
ret = rb_fiddle_type_ensure(ret);
- rb_iv_set(self, "@ctype", ret);
- rb_iv_set(self, "@args", normalized_args);
+ rb_iv_set(data->self, "@ctype", ret);
+ rb_iv_set(data->self, "@args", normalized_args);
cif = &cl->cif;
pcl = cl->pcl;
@@ -269,25 +276,48 @@ initialize(int rbargc, VALUE argv[], VALUE self)
rb_fiddle_int_to_ffi_type(NUM2INT(ret)),
cl->argv);
- if (FFI_OK != result)
- rb_raise(rb_eRuntimeError, "error prepping CIF %d", result);
+ if (FFI_OK != result) {
+ rb_raise(rb_eRuntimeError, "error prepping CIF %d", result);
+ }
#if USE_FFI_CLOSURE_ALLOC
result = ffi_prep_closure_loc(pcl, cif, callback,
- (void *)self, cl->code);
+ (void *)(data->self), cl->code);
#else
result = ffi_prep_closure(pcl, cif, callback, (void *)(data->self));
cl->code = (void *)pcl;
i = mprotect(pcl, sizeof(*pcl), PROT_READ | PROT_EXEC);
if (i) {
- rb_sys_fail("mprotect");
+ rb_sys_fail("mprotect");
}
#endif
- if (FFI_OK != result)
- rb_raise(rb_eRuntimeError, "error prepping closure %d", result);
+ if (FFI_OK != result) {
+ rb_raise(rb_eRuntimeError, "error prepping closure %d", result);
+ }
+
+ return data->self;
+}
- return self;
+static VALUE
+initialize_rescue(VALUE user_data, VALUE exception)
+{
+ initialize_data *data = (initialize_data *)user_data;
+ dealloc(RTYPEDDATA_DATA(data->self));
+ RTYPEDDATA_DATA(data->self) = NULL;
+ rb_exc_raise(exception);
+ return data->self;
+}
+
+static VALUE
+initialize(int argc, VALUE *argv, VALUE self)
+{
+ initialize_data data;
+ data.self = self;
+ data.argc = argc;
+ data.argv = argv;
+ return rb_rescue(initialize_body, (VALUE)&data,
+ initialize_rescue, (VALUE)&data);
}
static VALUE
--
2.44.0