diff options
Diffstat (limited to 'Utilities/cmlibuv/src/unix/atomic-ops.h')
| -rw-r--r-- | Utilities/cmlibuv/src/unix/atomic-ops.h | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/Utilities/cmlibuv/src/unix/atomic-ops.h b/Utilities/cmlibuv/src/unix/atomic-ops.h index 815e355..9dac255 100644 --- a/Utilities/cmlibuv/src/unix/atomic-ops.h +++ b/Utilities/cmlibuv/src/unix/atomic-ops.h @@ -43,8 +43,12 @@ UV_UNUSED(static int cmpxchgi(int* ptr, int oldval, int newval)) { __compare_and_swap(ptr, &oldval, newval); return out; #elif defined(__MVS__) - return __plo_CS(ptr, (unsigned int*) ptr, - oldval, (unsigned int*) &newval); + unsigned int op4; + if (__plo_CSST(ptr, (unsigned int*) &oldval, newval, + (unsigned int*) ptr, *ptr, &op4)) + return oldval; + else + return op4; #else return __sync_val_compare_and_swap(ptr, oldval, newval); #endif @@ -67,13 +71,18 @@ UV_UNUSED(static long cmpxchgl(long* ptr, long oldval, long newval)) { # endif /* if defined(__64BIT__) */ return out; #elif defined (__MVS__) -# ifdef _LP64 - return __plo_CSGR(ptr, (unsigned long long*) ptr, - oldval, (unsigned long long*) &newval); -# else - return __plo_CS(ptr, (unsigned int*) ptr, - oldval, (unsigned int*) &newval); -# endif +#ifdef _LP64 + unsigned long long op4; + if (__plo_CSSTGR(ptr, (unsigned long long*) &oldval, newval, + (unsigned long long*) ptr, *ptr, &op4)) +#else + unsigned long op4; + if (__plo_CSST(ptr, (unsigned int*) &oldval, newval, + (unsigned int*) ptr, *ptr, &op4)) +#endif + return oldval; + else + return op4; #else return __sync_val_compare_and_swap(ptr, oldval, newval); #endif |