diff options
Diffstat (limited to 'src/core/lib/gpr/cpu_iphone.cc')
-rw-r--r-- | src/core/lib/gpr/cpu_iphone.cc | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/core/lib/gpr/cpu_iphone.cc b/src/core/lib/gpr/cpu_iphone.cc new file mode 100644 index 0000000000..2847e03ba5 --- /dev/null +++ b/src/core/lib/gpr/cpu_iphone.cc @@ -0,0 +1,36 @@ +/* + * + * Copyright 2015 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include <grpc/support/port_platform.h> + +#include <grpc/support/cpu.h> + +#ifdef GPR_CPU_IPHONE + +/* Probably 2 instead of 1, but see comment on gpr_cpu_current_cpu. */ +unsigned gpr_cpu_num_cores(void) { return 1; } + +/* Most code that's using this is using it to shard across work queues. So + unless profiling shows it's a problem or there appears a way to detect the + currently running CPU core, let's have it shard the default way. + Note that the interface in cpu.h lets gpr_cpu_num_cores return 0, but doing + it makes it impossible for gpr_cpu_current_cpu to satisfy its stated range, + and some code might be relying on it. */ +unsigned gpr_cpu_current_cpu(void) { return 0; } + +#endif /* GPR_CPU_IPHONE */ |