diff options
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/erl_lock_check.c | 1 | ||||
| -rw-r--r-- | erts/emulator/sys/common/erl_mmap.c | 109 |
2 files changed, 60 insertions, 50 deletions
diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index 87efbdbc3e..0dd83fa6ed 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -132,6 +132,7 @@ static erts_lc_lock_order_t erts_lock_order[] = { #endif /* __WIN32__ */ { "alcu_init_atoms", NULL }, { "mseg_init_atoms", NULL }, + { "mmap_init_atoms", NULL }, { "drv_tsd", NULL }, { "async_enq_mtx", NULL }, #ifdef ERTS_SMP diff --git a/erts/emulator/sys/common/erl_mmap.c b/erts/emulator/sys/common/erl_mmap.c index 52041fd03e..a9da7430fb 100644 --- a/erts/emulator/sys/common/erl_mmap.c +++ b/erts/emulator/sys/common/erl_mmap.c @@ -2039,6 +2039,64 @@ int erts_mmap_in_supercarrier(void *ptr) return ERTS_MMAP_IN_SUPERCARRIER(ptr); } + +static struct { + Eterm total; + Eterm total_sa; + Eterm total_sua; + Eterm used; + Eterm used_sa; + Eterm used_sua; + Eterm max; + Eterm allocated; + Eterm reserved; + Eterm sizes; + Eterm free_segs; + Eterm supercarrier; + Eterm os; + Eterm scs; + Eterm sco; + Eterm scrpm; + Eterm scmgc; + + int is_initialized; + erts_mtx_t init_mutex; +}am; + +static void ERTS_INLINE atom_init(Eterm *atom, char *name) +{ + *atom = am_atom_put(name, strlen(name)); +} +#define AM_INIT(AM) atom_init(&am.AM, #AM) + +static void init_atoms(void) +{ + erts_mtx_lock(&am.init_mutex); + + if (!am.is_initialized) { + AM_INIT(total); + AM_INIT(total_sa); + AM_INIT(total_sua); + AM_INIT(used); + AM_INIT(used_sa); + AM_INIT(used_sua); + AM_INIT(max); + AM_INIT(allocated); + AM_INIT(reserved); + AM_INIT(sizes); + AM_INIT(free_segs); + AM_INIT(supercarrier); + AM_INIT(os); + AM_INIT(scs); + AM_INIT(sco); + AM_INIT(scrpm); + AM_INIT(scmgc); + am.is_initialized = 1; + } + erts_mtx_unlock(&am.init_mutex); +}; + + #ifdef HARD_DEBUG_MSEG static void hard_dbg_mseg_init(void); #endif @@ -2085,6 +2143,7 @@ erts_mmap_init(ErtsMMapInit *init) #endif erts_smp_mtx_init(&mmap_state.mtx, "erts_mmap"); + erts_mtx_init(&am.init_mutex, "mmap_init_atoms"); #ifdef ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION if (init->virtual_range.start) { @@ -2246,56 +2305,6 @@ erts_mmap_init(ErtsMMapInit *init) #endif } -static struct { - Eterm total; - Eterm total_sa; - Eterm total_sua; - Eterm used; - Eterm used_sa; - Eterm used_sua; - Eterm max; - Eterm allocated; - Eterm reserved; - Eterm sizes; - Eterm free_segs; - Eterm supercarrier; - Eterm os; - Eterm scs; - Eterm sco; - Eterm scrpm; - Eterm scmgc; - - int is_initialized; -}am; - -static void ERTS_INLINE atom_init(Eterm *atom, char *name) -{ - *atom = am_atom_put(name, strlen(name)); -} -#define AM_INIT(AM) atom_init(&am.AM, #AM) - -static void init_atoms(void) -{ - AM_INIT(total); - AM_INIT(total_sa); - AM_INIT(total_sua); - AM_INIT(used); - AM_INIT(used_sa); - AM_INIT(used_sua); - AM_INIT(max); - AM_INIT(allocated); - AM_INIT(reserved); - AM_INIT(sizes); - AM_INIT(free_segs); - AM_INIT(supercarrier); - AM_INIT(os); - AM_INIT(scs); - AM_INIT(sco); - AM_INIT(scrpm); - AM_INIT(scmgc); - am.is_initialized = 1; -}; - static ERTS_INLINE void add_2tup(Uint **hpp, Uint *szp, Eterm *lp, Eterm el1, Eterm el2) |