aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/erl_binary.h
diff options
context:
space:
mode:
authorSverker Eriksson <[email protected]>2014-09-04 20:10:54 +0200
committerSverker Eriksson <[email protected]>2014-09-04 20:17:59 +0200
commit2b53f2b1514b0d405ab92c767277483c761ad928 (patch)
tree614f9ccb33969eb17bd7bf59967854d276b90257 /erts/emulator/beam/erl_binary.h
parent35ff91189c8dd4ceed3d8f29536f500787ba4782 (diff)
downloadotp-2b53f2b1514b0d405ab92c767277483c761ad928.tar.gz
otp-2b53f2b1514b0d405ab92c767277483c761ad928.tar.bz2
otp-2b53f2b1514b0d405ab92c767277483c761ad928.zip
erts: Refactor binary allocation interface to also initialize Binary
except the reference counter 'refc', as different callers have different strategies regarding the lifetime of the binary.
Diffstat (limited to 'erts/emulator/beam/erl_binary.h')
-rw-r--r--erts/emulator/beam/erl_binary.h34
1 files changed, 27 insertions, 7 deletions
diff --git a/erts/emulator/beam/erl_binary.h b/erts/emulator/beam/erl_binary.h
index 06dfeb1260..8d264d166e 100644
--- a/erts/emulator/beam/erl_binary.h
+++ b/erts/emulator/beam/erl_binary.h
@@ -231,41 +231,58 @@ erts_free_aligned_binary_bytes(byte* buf)
# define CHICKEN_PAD (sizeof(void*) - 1)
#endif
+/* Caller must initialize 'refc'
+*/
ERTS_GLB_INLINE Binary *
erts_bin_drv_alloc_fnf(Uint size)
{
Uint bsize = ERTS_SIZEOF_Binary(size) + CHICKEN_PAD;
- void *res;
+ Binary *res;
+
if (bsize < size) /* overflow */
return NULL;
res = erts_alloc_fnf(ERTS_ALC_T_DRV_BINARY, bsize);
ERTS_CHK_BIN_ALIGNMENT(res);
- return (Binary *) res;
+ if (res) {
+ res->orig_size = size;
+ res->flags = BIN_FLAG_DRV;
+ }
+ return res;
}
+/* Caller must initialize 'refc'
+*/
ERTS_GLB_INLINE Binary *
erts_bin_drv_alloc(Uint size)
{
Uint bsize = ERTS_SIZEOF_Binary(size) + CHICKEN_PAD;
- void *res;
+ Binary *res;
+
if (bsize < size) /* overflow */
erts_alloc_enomem(ERTS_ALC_T_DRV_BINARY, size);
res = erts_alloc(ERTS_ALC_T_DRV_BINARY, bsize);
ERTS_CHK_BIN_ALIGNMENT(res);
- return (Binary *) res;
+ res->orig_size = size;
+ res->flags = BIN_FLAG_DRV;
+ return res;
}
+/* Caller must initialize 'refc'
+*/
ERTS_GLB_INLINE Binary *
erts_bin_nrml_alloc(Uint size)
{
Uint bsize = ERTS_SIZEOF_Binary(size) + CHICKEN_PAD;
- void *res;
+ Binary *res;
+
if (bsize < size) /* overflow */
erts_alloc_enomem(ERTS_ALC_T_BINARY, size);
res = erts_alloc(ERTS_ALC_T_BINARY, bsize);
ERTS_CHK_BIN_ALIGNMENT(res);
- return (Binary *) res;
+ res->orig_size = size;
+ res->flags = 0;
+ return res;
}
ERTS_GLB_INLINE Binary *
@@ -280,6 +297,8 @@ erts_bin_realloc_fnf(Binary *bp, Uint size)
return NULL;
nbp = erts_realloc_fnf(type, (void *) bp, bsize);
ERTS_CHK_BIN_ALIGNMENT(nbp);
+ if (nbp)
+ nbp->orig_size = size;
return nbp;
}
@@ -297,6 +316,7 @@ erts_bin_realloc(Binary *bp, Uint size)
if (!nbp)
erts_realloc_enomem(type, bp, bsize);
ERTS_CHK_BIN_ALIGNMENT(nbp);
+ nbp->orig_size = size;
return nbp;
}
@@ -329,4 +349,4 @@ erts_create_magic_binary(Uint size, void (*destructor)(Binary *))
#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
-#endif
+#endif /* !__ERL_BINARY_H */