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-rw-r--r--erts/emulator/beam/beam_emu.c2
-rw-r--r--erts/emulator/beam/erl_nif.c42
2 files changed, 27 insertions, 17 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 9634faff1d..1026e5f649 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -3525,7 +3525,7 @@ get_map_elements_fail:
erts_post_nif(&env);
#ifdef ERTS_DIRTY_SCHEDULERS
if (is_non_value(nif_bif_result) && c_p->freason == TRAP) {
- Export* ep = (Export*) c_p->psd->data[ERTS_PSD_DIRTY_SCHED_TRAP_EXPORT];
+ Export* ep = ERTS_PROC_GET_DIRTY_SCHED_TRAP_EXPORT(c_p);
ep->code[0] = I[-3];
ep->code[1] = I[-2];
}
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 063dba056e..f503b222d0 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -1515,19 +1515,28 @@ int enif_consume_timeslice(ErlNifEnv* env, int percent)
#ifdef ERTS_DIRTY_SCHEDULERS
+/* NIFs exports need one more item than the Export struct provides, the
+ * erl_module_nif*, so the DirtyNifExport below adds that. The Export
+ * member must be first in the struct.
+ */
+typedef struct {
+ Export exp;
+ struct erl_module_nif* m;
+} DirtyNifExport;
+
static void
-alloc_proc_psd(Process* proc, Export **ep)
+alloc_proc_psd(Process* proc, DirtyNifExport **ep)
{
int i;
if (!*ep) {
- *ep = erts_alloc(ERTS_ALC_T_PSD, sizeof(Export));
- sys_memset((void*) *ep, 0, sizeof(Export));
+ *ep = erts_alloc(ERTS_ALC_T_PSD, sizeof(DirtyNifExport));
+ sys_memset((void*) *ep, 0, sizeof(DirtyNifExport));
for (i=0; i<ERTS_NUM_CODE_IX; i++) {
- (*ep)->addressv[i] = &(*ep)->code[3];
+ (*ep)->exp.addressv[i] = &(*ep)->exp.code[3];
}
- (*ep)->code[3] = (BeamInstr) em_call_nif;
+ (*ep)->exp.code[3] = (BeamInstr) em_call_nif;
}
- (void) ERTS_PROC_SET_DIRTY_SCHED_TRAP_EXPORT(proc, ERTS_PROC_LOCK_MAIN, *ep);
+ (void) ERTS_PROC_SET_DIRTY_SCHED_TRAP_EXPORT(proc, ERTS_PROC_LOCK_MAIN, &(*ep)->exp);
}
static ERL_NIF_TERM
@@ -1560,7 +1569,7 @@ enif_schedule_dirty_nif(ErlNifEnv* env, int flags,
erts_aint32_t state, n, a;
Process* proc = env->proc;
Eterm* reg = ERTS_PROC_GET_SCHDATA(proc)->x_reg_array;
- Export* ep = NULL;
+ DirtyNifExport* ep = NULL;
int i;
int chkflgs = (flags & (ERL_NIF_DIRTY_JOB_IO_BOUND|ERL_NIF_DIRTY_JOB_CPU_BOUND));
@@ -1585,15 +1594,16 @@ enif_schedule_dirty_nif(ErlNifEnv* env, int flags,
if (a == state)
break;
}
- if (!(ep = ERTS_PROC_GET_DIRTY_SCHED_TRAP_EXPORT(proc)))
+ if (!(ep = (DirtyNifExport*) ERTS_PROC_GET_DIRTY_SCHED_TRAP_EXPORT(proc)))
alloc_proc_psd(proc, &ep);
ERTS_VBUMP_ALL_REDS(proc);
- ep->code[2] = argc;
+ ep->exp.code[2] = argc;
for (i = 0; i < argc; i++) {
reg[i] = (Eterm) argv[i];
}
- proc->i = (BeamInstr*) ep->addressv[0];
- ep->code[4] = (BeamInstr) fp;
+ proc->i = (BeamInstr*) ep->exp.addressv[0];
+ ep->exp.code[4] = (BeamInstr) fp;
+ ep->m = env->mod_nif;
proc->freason = TRAP;
return THE_NON_VALUE;
@@ -1609,17 +1619,17 @@ enif_schedule_dirty_nif_finalizer(ErlNifEnv* env, ERL_NIF_TERM result,
#ifdef USE_THREADS
Process* proc = env->proc;
Eterm* reg = ERTS_PROC_GET_SCHDATA(proc)->x_reg_array;
- Export* ep;
+ DirtyNifExport* ep;
erts_smp_atomic32_read_band_mb(&proc->state,
~(ERTS_PSFLG_DIRTY_CPU_PROC
|ERTS_PSFLG_DIRTY_IO_PROC
|ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q
|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q));
- if (!(ep = ERTS_PROC_GET_DIRTY_SCHED_TRAP_EXPORT(proc)))
+ if (!(ep = (DirtyNifExport*) ERTS_PROC_GET_DIRTY_SCHED_TRAP_EXPORT(proc)))
alloc_proc_psd(proc, &ep);
ERTS_VBUMP_ALL_REDS(proc);
- ep->code[2] = 2;
+ ep->exp.code[2] = 2;
reg[0] = (Eterm) result;
#if HAVE_INT64 && SIZEOF_LONG != 8
ASSERT(sizeof(fp) <= sizeof(ErlNifUInt64));
@@ -1628,8 +1638,8 @@ enif_schedule_dirty_nif_finalizer(ErlNifEnv* env, ERL_NIF_TERM result,
ASSERT(sizeof(fp) <= sizeof(unsigned long));
reg[1] = (Eterm) enif_make_ulong(env, (unsigned long) fp);
#endif
- proc->i = (BeamInstr*) ep->addressv[0];
- ep->code[4] = (BeamInstr) execute_dirty_nif_finalizer;
+ proc->i = (BeamInstr*) ep->exp.addressv[0];
+ ep->exp.code[4] = (BeamInstr) execute_dirty_nif_finalizer;
proc->freason = TRAP;
return THE_NON_VALUE;