bump stack size on musl

awslabs · Jul 23, 2024 · 3b10127 · 3b10127
1 parent 852f8ce
commit 3b10127
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Showing 2 changed files with 18 additions and 0 deletions.
diff --git a/cmake/AwsCRuntime.cmake b/cmake/AwsCRuntime.cmake
@@ -18,13 +18,15 @@ function(aws_determine_local_c_runtime target)
         if (NOT(${AWS_MUSL_INDEX} EQUAL -1))
             message(STATUS "MUSL libc detected")
             set(${target} "musl" PARENT_SCOPE)
+            add_definitions(-DAWS_C_RUNTIME_MUSL)
         else()
             if ((NOT(${AWS_GLIBC_INDEX} EQUAL -1)) OR (NOT(${AWS_GNU_INDEX} EQUAL -1)))
                 message(STATUS "Gnu libc detected")
             else()
                 message(STATUS "Could not determine C runtime, defaulting to gnu libc")
             endif()
             set(${target} "glibc" PARENT_SCOPE)
+            add_definitions(-DAWS_C_RUNTIME_GLIBC)
         endif()
     else()
         set(${target} "cruntime" PARENT_SCOPE)

diff --git a/source/posix/thread.c b/source/posix/thread.c
@@ -276,6 +276,22 @@ int aws_thread_launch(
                 goto cleanup;
             }
         }
+#ifdef AWS_C_RUNTIME_MUSL
+        if (!options->stack_size) {
+            size_t stack_size;
+            attr_return = pthread_attr_getstacksize(&attr, &stack_size);
+            if (attr_return) {
+                goto cleanup;
+            }
+
+            if (stack_size < 2 * 1024 * 1024) {
+                attr_return = pthread_attr_setstacksize(&attr, 2 * 1024 * 1024);
+                if (attr_return) {
+                    goto cleanup;
+                }
+            }
+        }
+#endif
 
 /* AFAIK you can't set thread affinity on apple platforms, and it doesn't really matter since all memory
  * NUMA or not is setup in interleave mode.