diff options
| -rw-r--r-- | Utilities/cmlibuv/src/unix/atomic-ops.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Utilities/cmlibuv/src/unix/atomic-ops.h b/Utilities/cmlibuv/src/unix/atomic-ops.h index bc37c0d45d..7efed023c8 100644 --- a/Utilities/cmlibuv/src/unix/atomic-ops.h +++ b/Utilities/cmlibuv/src/unix/atomic-ops.h @@ -36,6 +36,12 @@ UV_UNUSED(static int cmpxchgi(int* ptr, int oldval, int newval)) { : "r" (newval), "0" (oldval) : "memory"); return out; +#elif defined(_AIX) && defined(__ibmxl__) + /* FIXME: This is not actually atomic but XLClang 16.1 for AIX + does not provide __sync_val_compare_and_swap or an equivalent. + Its documentation suggests using C++11 atomics but this is C. */ + __compare_and_swap((volatile int*)ptr, &oldval, newval); + return oldval; #elif defined(__MVS__) unsigned int op4; if (__plo_CSST(ptr, (unsigned int*) &oldval, newval, |