GRPC C++  1.26.0
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, do we need this?
26 
27 #include <grpc/support/sync.h>
29 
31 
34  uint8_t next;
35 };
36 
37 // c core representation of an error. See error.h for high level description of
38 // this object.
39 struct grpc_error {
40  // All atomics in grpc_error must be stored in this nested struct. The rest of
41  // the object is memcpy-ed in bulk in copy_and_unref.
42  struct atomics {
46  // These arrays index into dynamic arena at the bottom of the struct.
47  // UINT8_MAX is used as a sentinel value.
51  // The child errors are stored in the arena, but are effectively a linked list
52  // structure, since they are contained within grpc_linked_error objects.
53  uint8_t first_err;
54  uint8_t last_err;
55  // The arena is dynamically reallocated with a grow factor of 1.5.
56  uint8_t arena_size;
57  uint8_t arena_capacity;
58  intptr_t arena[0];
59 };
60 
61 #endif /* GRPC_CORE_LIB_IOMGR_ERROR_INTERNAL_H */
@ GRPC_ERROR_TIME_MAX
Must always be last.
Definition: error.h:118
@ GRPC_ERROR_INT_MAX
Must always be last.
Definition: error.h:80
@ GRPC_ERROR_STR_MAX
Must always be last.
Definition: error.h:110
intptr_t gpr_atm
Definition: atm_gcc_atomic.h:30
Definition: sync_generic.h:36
Definition: error_internal.h:42
gpr_refcount refs
Definition: error_internal.h:43
gpr_atm error_string
Definition: error_internal.h:44
Definition: error_internal.h:39
struct grpc_error::atomics atomics
uint8_t arena_size
Definition: error_internal.h:56
intptr_t arena[0]
Definition: error_internal.h:58
uint8_t arena_capacity
Definition: error_internal.h:57
uint8_t first_err
Definition: error_internal.h:53
uint8_t strs[GRPC_ERROR_STR_MAX]
Definition: error_internal.h:49
uint8_t last_err
Definition: error_internal.h:54
uint8_t times[GRPC_ERROR_TIME_MAX]
Definition: error_internal.h:50
uint8_t ints[GRPC_ERROR_INT_MAX]
Definition: error_internal.h:48
Definition: error_internal.h:32
grpc_error * err
Definition: error_internal.h:33
uint8_t next
Definition: error_internal.h:34