Merge pull request #460 from pawosm-arm/unlocked_malloc

runtime: remove locks around malloc()/free() in mpmalloc.c for glibc-…

Author: sscalpone

runtime/flangrti/mpmalloc.c

@@ -17,18 +17,28 @@
 
 /* mp-safe wrappers for malloc, etc. */
 
+#ifdef TARGET_LINUX
+#include <features.h>
+#endif
+
 #include <stdlib.h>
 #include "llcrit.h"
+#ifndef __GNU_LIBRARY__
 MP_SEMAPHORE(static, sem);
+#endif
 
 void *
 _mp_malloc(size_t n)
 {
   void *p;
 
+#ifndef __GNU_LIBRARY__
   _mp_p(&sem);
+#endif
   p = malloc(n);
+#ifndef __GNU_LIBRARY__
   _mp_v(&sem);
+#endif
   return (p);
 }
 
@@ -37,9 +47,13 @@ _mp_calloc(size_t n, size_t t)
 {
   void *p;
 
+#ifndef __GNU_LIBRARY__
   _mp_p(&sem);
+#endif
   p = calloc(n, t);
+#ifndef __GNU_LIBRARY__
   _mp_v(&sem);
+#endif
   return (p);
 }
 
@@ -48,9 +62,13 @@ _mp_realloc(void *p, size_t n)
 {
   void *q;
 
+#ifndef __GNU_LIBRARY__
   _mp_p(&sem);
+#endif
   q = realloc(p, n);
+#ifndef __GNU_LIBRARY__
   _mp_v(&sem);
+#endif
   return (q);
 }
 
@@ -59,7 +77,11 @@ _mp_free(void *p)
 {
   if (p == 0)
     return;
+#ifndef __GNU_LIBRARY__
   _mp_p(&sem);
+#endif
   free(p);
+#ifndef __GNU_LIBRARY__
   _mp_v(&sem);
+#endif
 }