GRPC C++  1.39.1
error_internal.h
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1 /*
2  *
3  * Copyright 2016 gRPC authors.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 
19 #ifndef GRPC_CORE_LIB_IOMGR_ERROR_INTERNAL_H
20 #define GRPC_CORE_LIB_IOMGR_ERROR_INTERNAL_H
21 
23 
24 #include <inttypes.h>
25 #include <stdbool.h> // TODO(unknown): , do we need this?
26 
27 #include <grpc/support/sync.h>
29 
30 #ifndef GRPC_ERROR_IS_ABSEIL_STATUS
31 
33 
36  uint8_t next;
37 };
38 
39 // c core representation of an error. See error.h for high level description of
40 // this object.
41 struct grpc_error {
42  // All atomics in grpc_error must be stored in this nested struct. The rest of
43  // the object is memcpy-ed in bulk in copy_and_unref.
44  struct atomics {
48  // These arrays index into dynamic arena at the bottom of the struct.
49  // UINT8_MAX is used as a sentinel value.
53  // The child errors are stored in the arena, but are effectively a linked list
54  // structure, since they are contained within grpc_linked_error objects.
55  uint8_t first_err;
56  uint8_t last_err;
57  // The arena is dynamically reallocated with a grow factor of 1.5.
58  uint8_t arena_size;
59  uint8_t arena_capacity;
60  intptr_t arena[0];
61 };
62 
63 #endif // GRPC_ERROR_IS_ABSEIL_STATUS
64 
65 #endif /* GRPC_CORE_LIB_IOMGR_ERROR_INTERNAL_H */
@ GRPC_ERROR_TIME_MAX
Must always be last.
Definition: error.h:143
@ GRPC_ERROR_INT_MAX
Must always be last.
Definition: error.h:99
@ GRPC_ERROR_STR_MAX
Must always be last.
Definition: error.h:135
intptr_t gpr_atm
Definition: atm_gcc_atomic.h:30
Definition: sync_generic.h:36
Definition: error_internal.h:44
gpr_refcount refs
Definition: error_internal.h:45
gpr_atm error_string
Definition: error_internal.h:46
Definition: error_internal.h:41
struct grpc_error::atomics atomics
uint8_t arena_size
Definition: error_internal.h:58
intptr_t arena[0]
Definition: error_internal.h:60
uint8_t arena_capacity
Definition: error_internal.h:59
uint8_t first_err
Definition: error_internal.h:55
uint8_t strs[GRPC_ERROR_STR_MAX]
Definition: error_internal.h:51
uint8_t last_err
Definition: error_internal.h:56
uint8_t times[GRPC_ERROR_TIME_MAX]
Definition: error_internal.h:52
uint8_t ints[GRPC_ERROR_INT_MAX]
Definition: error_internal.h:50
Definition: error_internal.h:34
grpc_error_handle err
Definition: error_internal.h:35
uint8_t next
Definition: error_internal.h:36