archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-08-15 13:39:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Fix Window private file mapping unlink EACCES issue. (#9358)

Browse source 
* Don't return early.

* Add missing `mapping` assignment.

* Make debug logs conditional.
This commit is contained in:
Samuel Williams 2023-12-27 00:36:56 +13:00 • committed by GitHub
parent b1f67cf08e
commit e5a4f757bd
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 24 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

18
io_buffer.c
View file

@ -42,6 +42,8 @@ enum {
// This is used to validate the flags given by the user.
RB_IO_BUFFER_FLAGS_MASK = RB_IO_BUFFER_EXTERNAL | RB_IO_BUFFER_INTERNAL | RB_IO_BUFFER_MAPPED | RB_IO_BUFFER_SHARED | RB_IO_BUFFER_LOCKED | RB_IO_BUFFER_PRIVATE | RB_IO_BUFFER_READONLY,
RB_IO_BUFFER_DEBUG = 0,
};
struct rb_io_buffer {
@ -113,6 +115,7 @@ io_buffer_map_file(struct rb_io_buffer *buffer, int descriptor, size_t size, rb_
}
HANDLE mapping = CreateFileMapping(file, NULL, protect, 0, 0, NULL);
if (RB_IO_BUFFER_DEBUG) fprintf(stderr, "io_buffer_map_file:CreateFileMapping -> %p\n", mapping);
if (!mapping) rb_sys_fail("io_buffer_map_descriptor:CreateFileMapping");
void *base = MapViewOfFile(mapping, access, (DWORD)(offset >> 32), (DWORD)(offset & 0xFFFFFFFF), size);
@ -213,9 +216,13 @@ io_buffer_initialize(VALUE self, struct rb_io_buffer *buffer, void *base, size_t
buffer->size = size;
buffer->flags = flags;
RB_OBJ_WRITE(self, &buffer->source, source);
#if defined(_WIN32)
buffer->mapping = NULL;
#endif
}
static int
static void
io_buffer_free(struct rb_io_buffer *buffer)
{
if (buffer->base) {
@ -247,18 +254,17 @@ io_buffer_free(struct rb_io_buffer *buffer)
buffer->size = 0;
buffer->flags = 0;
buffer->source = Qnil;
return 1;
}
#if defined(_WIN32)
if (buffer->mapping) {
CloseHandle(buffer->mapping);
if (RB_IO_BUFFER_DEBUG) fprintf(stderr, "io_buffer_free:CloseHandle -> %p\n", buffer->mapping);
if (!CloseHandle(buffer->mapping)) {
fprintf(stderr, "io_buffer_free:GetLastError -> %d\n", GetLastError());
}
buffer->mapping = NULL;
}
#endif
return 0;
}
void