diff options
Diffstat (limited to 'src/backend/port/atomics.c')
| -rw-r--r-- | src/backend/port/atomics.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/src/backend/port/atomics.c b/src/backend/port/atomics.c index 19a84a7849d..f98f6b6dbdb 100644 --- a/src/backend/port/atomics.c +++ b/src/backend/port/atomics.c @@ -17,29 +17,6 @@ #include "port/atomics.h" #include "storage/spin.h" -#ifdef PG_HAVE_MEMORY_BARRIER_EMULATION -#ifdef WIN32 -#error "barriers are required (and provided) on WIN32 platforms" -#endif -#include <signal.h> -#endif - -#ifdef PG_HAVE_MEMORY_BARRIER_EMULATION -void -pg_spinlock_barrier(void) -{ - /* - * NB: we have to be reentrant here, some barriers are placed in signal - * handlers. - * - * We use kill(0) for the fallback barrier as we assume that kernels on - * systems old enough to require fallback barrier support will include an - * appropriate barrier while checking the existence of the postmaster pid. - */ - (void) kill(PostmasterPid, 0); -} -#endif - #ifdef PG_HAVE_ATOMIC_U64_SIMULATION |