diff options
| author |  Yash Tibrewal <yashkt@google.com> | 2018-03-14 11:49:12 -0700 |
|---|---|---|
| committer | Yash Tibrewal <yashkt@google.com> | 2018-03-14 11:49:12 -0700 |
| commit | 0b4361c1b7c987dc2de4f15eb32dbe87994f07d9 (patch) | |
| tree | 9cd2e85a87613ecbffe127f98dd7495406ff18fc /src | |
| parent | b62d77f05b158291061637984e0197475c3e8f1a (diff) | |
Add checking for hotplugged CPUs in gpr_cpu_current_cpu for linux
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/lib/gpr/cpu_linux.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/core/lib/gpr/cpu_linux.cc b/src/core/lib/gpr/cpu_linux.cc index fda28916f8..9fc2f0b141 100644 --- a/src/core/lib/gpr/cpu_linux.cc +++ b/src/core/lib/gpr/cpu_linux.cc @@ -71,6 +71,10 @@ unsigned gpr_cpu_current_cpu(void) { gpr_log(GPR_ERROR, "Error determining current CPU: %s\n", strerror(errno)); return 0; } + if (static_cast<unsigned>(cpu) >= gpr_cpu_num_cores()) { + gpr_log(GPR_ERROR, "Cannot handle hot-plugged CPUs"); + return 0; + } return static_cast<unsigned>(cpu); #endif } |