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-rw-r--r--erts/emulator/beam/erl_alloc.c37
-rw-r--r--erts/emulator/beam/sys.h6
2 files changed, 43 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c
index 6dec383cee..2babe2f416 100644
--- a/erts/emulator/beam/erl_alloc.c
+++ b/erts/emulator/beam/erl_alloc.c
@@ -1174,6 +1174,25 @@ get_kb_value(char *param_end, char** argv, int* ip)
return ((Uint) tmp)*1024;
}
+static UWord
+get_mb_value(char *param_end, char** argv, int* ip)
+{
+ SWord tmp;
+ UWord max = ((~((Uint) 0))/(1024*1024)) + 1;
+ char *rest;
+ char *param = argv[*ip]+1;
+ char *value = get_value(param_end, argv, ip);
+ errno = 0;
+ tmp = (SWord) ErtsStrToSint(value, &rest, 10);
+ if (errno != 0 || rest == value || tmp < 0 || max < ((UWord) tmp))
+ bad_value(param, param_end, value);
+ if (max == (UWord) tmp)
+ return ~((UWord) 0);
+ else
+ return ((UWord) tmp)*1024*1024;
+}
+
+
#if 0
static Uint
get_byte_value(char *param_end, char** argv, int* ip)
@@ -1448,6 +1467,24 @@ handle_args(int *argc, char **argv, erts_alc_hndl_args_init_t *init)
#endif
get_amount_value(argv[i]+6, argv, &i);
}
+ else if (has_prefix("scs", argv[i]+3)) {
+#if HAVE_ERTS_MSEG
+ init->mseg.mmap.scs =
+#endif
+ get_mb_value(argv[i]+6, argv, &i);
+ }
+ else if (has_prefix("sco", argv[i]+3)) {
+#if HAVE_ERTS_MSEG
+ init->mseg.mmap.sco =
+#endif
+ get_bool_value(argv[i]+6, argv, &i);
+ }
+ else if (has_prefix("scmgc", argv[i]+3)) {
+#if HAVE_ERTS_MSEG
+ init->mseg.mmap.scmgc =
+#endif
+ get_amount_value(argv[i]+8, argv, &i);
+ }
else {
bad_param(param, param+2);
}
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 97e6ed8410..dfe60d8ea0 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -277,16 +277,19 @@ typedef unsigned long UWord;
typedef long SWord;
#define SWORD_CONSTANT(Const) Const##L
#define UWORD_CONSTANT(Const) Const##UL
+#define ERTS_SWORD_MAX LONG_MAX
#elif SIZEOF_VOID_P == SIZEOF_INT
typedef unsigned int UWord;
typedef int SWord;
#define SWORD_CONSTANT(Const) Const
#define UWORD_CONSTANT(Const) Const##U
+#define ERTS_SWORD_MAX INT_MAX
#elif SIZEOF_VOID_P == SIZEOF_LONG_LONG
typedef unsigned long long UWord;
typedef long long SWord;
#define SWORD_CONSTANT(Const) Const##LL
#define UWORD_CONSTANT(Const) Const##ULL
+#define ERTS_SWORD_MAX LLONG_MAX
#else
#error Found no appropriate type to use for 'Eterm', 'Uint' and 'Sint'
#endif
@@ -299,6 +302,7 @@ typedef unsigned long Uint;
typedef long Sint;
#define SWORD_CONSTANT(Const) Const##L
#define UWORD_CONSTANT(Const) Const##UL
+#define ERTS_SWORD_MAX LONG_MAX
#define ERTS_SIZEOF_ETERM SIZEOF_LONG
#define ErtsStrToSint strtol
#elif SIZEOF_VOID_P == SIZEOF_INT
@@ -307,6 +311,7 @@ typedef unsigned int Uint;
typedef int Sint;
#define SWORD_CONSTANT(Const) Const
#define UWORD_CONSTANT(Const) Const##U
+#define ERTS_SWORD_MAX INT_MAX
#define ERTS_SIZEOF_ETERM SIZEOF_INT
#define ErtsStrToSint strtol
#elif SIZEOF_VOID_P == SIZEOF_LONG_LONG
@@ -315,6 +320,7 @@ typedef unsigned long long Uint;
typedef long long Sint;
#define SWORD_CONSTANT(Const) Const##LL
#define UWORD_CONSTANT(Const) Const##ULL
+#define ERTS_SWORD_MAX LLONG_MAX
#define ERTS_SIZEOF_ETERM SIZEOF_LONG_LONG
#if defined(__WIN32__)
#define ErtsStrToSint _strtoi64