Port the atomic_fetchadd_int function for use on 5.X.

Reported by:	pointyhat via pav

1 files changed, 34 insertions, 2 deletions

diff --git a/audio/pulseaudio/files/patch-src_pulsecore_atomic.h b/audio/pulseaudio/files/patch-src_pulsecore_atomic.h
index e0d268727181..c63829b7e912 100644
--- a/audio/pulseaudio/files/patch-src_pulsecore_atomic.h
+++ b/audio/pulseaudio/files/patch-src_pulsecore_atomic.h
@@ -1,6 +1,6 @@
 --- src/pulsecore/atomic.h.orig	2008-01-23 19:44:20.000000000 -0500
-+++ src/pulsecore/atomic.h	2008-02-25 14:02:59.000000000 -0500
-@@ -106,6 +106,76 @@ static inline int pa_atomic_ptr_cmpxchg(
++++ src/pulsecore/atomic.h	2008-03-02 01:02:20.000000000 -0500
+@@ -106,6 +106,108 @@ static inline int pa_atomic_ptr_cmpxchg(
      return __sync_bool_compare_and_swap(&a->value, (long) old_p, (long) new_p);
  }
  
@@ -8,8 +8,40 @@
 +
 +#include <sys/cdefs.h>
 +#include <sys/types.h>
++#include <sys/param.h>
 +#include <machine/atomic.h>
 +
++#if __FreeBSD_version < 600000
++#if defined(__i386__) || defined(__amd64__)
++static inline u_int
++atomic_fetchadd_int(volatile u_int *p, u_int v)
++{
++	__asm __volatile(
++	"	" MPLOCKED "		"
++	"	xaddl	%0, %1 ;	"
++	"# atomic_fetchadd_int"
++	: "+r" (v),
++	  "=m" (*p)
++	: "m" (*p));
++
++	return (v);
++}
++#elif defined(__sparc64__)
++#define atomic_fetchadd_int	atomic_add_int
++#elif defined(__ia64__)
++static inline uint32_t
++atomic_fetchadd_int(volatile uint32_t *p, uint32_t v)
++{
++	uint32_t value;
++
++	do {
++		value = *p;
++	} while (!atomic_cmpset_32(p, value, value + v));
++	return (value);
++}
++#endif
++#endif
++
 +typedef struct pa_atomic {
 +	volatile unsigned long value;
 +} pa_atomic_t;