[llvm][Support] Use __NR_gettid on Linux for compat with older glibc

[brad0]

No description provided.

[llvmbot]

@llvm/pr-subscribers-llvm-support

Author: Brad Smith (brad0)

Changes

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Full diff: https://github.com/llvm/llvm-project/pull/120007.diff

1 Files Affected:

• (modified) llvm/lib/Support/Unix/Threading.inc (+1-1)

diff --git a/llvm/lib/Support/Unix/Threading.inc b/llvm/lib/Support/Unix/Threading.inc index c7b4c7af3b9f33..aedcd9aa34b99a 100644 --- a/llvm/lib/Support/Unix/Threading.inc +++ b/llvm/lib/Support/Unix/Threading.inc @@ -141,7 +141,7 @@ uint64_t llvm::get_threadid() { #elif defined(__ANDROID__) return uint64_t(gettid()); #elif defined(__linux__) - return uint64_t(syscall(SYS_gettid)); + return uint64_t(syscall(__NR_gettid)); #else return uint64_t(pthread_self()); #endif