diff options
| author | Sverker Eriksson <[email protected]> | 2016-05-04 17:44:07 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2016-05-04 18:55:46 +0200 |
| commit | dd5087bf582bba0879fa352bdc0ddcbf06d943d2 (patch) | |
| tree | e9c0958a8541095a07e3a85b715d04f00b0a5efc /erts/emulator/beam/erl_alloc.c | |
| parent | 067c234829144dd1c33b9640cd6a0e5faf3d04b3 (diff) | |
| download | otp-dd5087bf582bba0879fa352bdc0ddcbf06d943d2.tar.gz otp-dd5087bf582bba0879fa352bdc0ddcbf06d943d2.tar.bz2 otp-dd5087bf582bba0879fa352bdc0ddcbf06d943d2.zip | |
erts: Add macro HAVE_ERTS_MMAP
and make erts_mmap unavailable at compile time
if not supported.
Diffstat (limited to 'erts/emulator/beam/erl_alloc.c')
| -rw-r--r-- | erts/emulator/beam/erl_alloc.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 01db65d539..f571515def 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -2963,10 +2963,11 @@ erts_allocator_options(void *proc) atoms[length] = am_atom_put("alloc_util", 10); terms[length++] = erts_alcu_au_info_options(NULL, NULL, hpp, szp); - +#if HAVE_ERTS_MMAP atoms[length] = ERTS_MAKE_AM("erts_mmap"); terms[length++] = erts_mmap_info_options(&erts_dflt_mmapper, NULL, NULL, NULL, hpp, szp); +#endif { Eterm o[3], v[3]; o[0] = am_atom_put("m", 1); @@ -3093,12 +3094,14 @@ reply_alloc_info(void *vair) Uint sz, *szp; ErlOffHeap *ohp = NULL; ErtsMessage *mp = NULL; +#if HAVE_ERTS_MMAP struct erts_mmap_info_struct mmap_info_dflt; -#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) +# if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) struct erts_mmap_info_struct mmap_info_literal; -#endif -#ifdef ERTS_ALC_A_EXEC +# endif +# ifdef ERTS_ALC_A_EXEC struct erts_mmap_info_struct mmap_info_exec; +# endif #endif int i; Eterm (*info_func)(Allctr_t *, @@ -3207,7 +3210,7 @@ reply_alloc_info(void *vair) break; case ERTS_ALC_INFO_A_ERTS_MMAP: alloc_atom = erts_bld_atom(hpp, szp, "erts_mmap"); - +#if HAVE_ERTS_MMAP ainfo = (air->only_sz ? NIL : erts_mmap_info(&erts_dflt_mmapper, NULL, NULL, hpp, szp, &mmap_info_dflt)); @@ -3215,7 +3218,7 @@ reply_alloc_info(void *vair) alloc_atom, erts_bld_atom(hpp,szp,"default_mmap"), ainfo); -#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) +# if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) ai_list = erts_bld_cons(hpp, szp, ainfo, ai_list); ainfo = (air->only_sz ? NIL : @@ -3225,8 +3228,8 @@ reply_alloc_info(void *vair) alloc_atom, erts_bld_atom(hpp,szp,"literal_mmap"), ainfo); -#endif -#ifdef ERTS_ALC_A_EXEC +# endif +# ifdef ERTS_ALC_A_EXEC ai_list = erts_bld_cons(hpp, szp, ainfo, ai_list); ainfo = (air->only_sz ? NIL : @@ -3236,6 +3239,10 @@ reply_alloc_info(void *vair) alloc_atom, erts_bld_atom(hpp,szp,"exec_mmap"), ainfo); +# endif +#else /* !HAVE_ERTS_MMAP */ + ainfo = erts_bld_tuple2(hpp, szp, alloc_atom, + am_false); #endif break; case ERTS_ALC_INFO_A_MSEG_ALLOC: |