diff options
Diffstat (limited to 'erts/emulator/beam/code_ix.c')
| -rw-r--r-- | erts/emulator/beam/code_ix.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/erts/emulator/beam/code_ix.c b/erts/emulator/beam/code_ix.c index 8a3d1b20b4..34e46f5f33 100644 --- a/erts/emulator/beam/code_ix.c +++ b/erts/emulator/beam/code_ix.c @@ -34,8 +34,8 @@ # define CIX_TRACE(text) #endif -erts_smp_atomic32_t the_active_code_index; -erts_smp_atomic32_t the_staging_code_index; +erts_atomic32_t the_active_code_index; +erts_atomic32_t the_staging_code_index; static Process* code_writing_process = NULL; struct code_write_queue_item { @@ -43,7 +43,7 @@ struct code_write_queue_item { struct code_write_queue_item* next; }; static struct code_write_queue_item* code_write_queue = NULL; -static erts_smp_mtx_t code_write_permission_mtx; +static erts_mtx_t code_write_permission_mtx; #ifdef ERTS_ENABLE_LOCK_CHECK static erts_tsd_key_t has_code_write_permission; @@ -55,9 +55,9 @@ void erts_code_ix_init(void) * single threaded with active and staging set both to zero. * Preloading is finished by a commit that will set things straight. */ - erts_smp_atomic32_init_nob(&the_active_code_index, 0); - erts_smp_atomic32_init_nob(&the_staging_code_index, 0); - erts_smp_mtx_init(&code_write_permission_mtx, "code_write_permission", NIL, + erts_atomic32_init_nob(&the_active_code_index, 0); + erts_atomic32_init_nob(&the_staging_code_index, 0); + erts_mtx_init(&code_write_permission_mtx, "code_write_permission", NIL, ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC); #ifdef ERTS_ENABLE_LOCK_CHECK erts_tsd_key_create(&has_code_write_permission, @@ -91,9 +91,9 @@ void erts_commit_staging_code_ix(void) /* We need to this lock as we are now making the staging export table active */ export_staging_lock(); ix = erts_staging_code_ix(); - erts_smp_atomic32_set_nob(&the_active_code_index, ix); + erts_atomic32_set_nob(&the_active_code_index, ix); ix = (ix + 1) % ERTS_NUM_CODE_IX; - erts_smp_atomic32_set_nob(&the_staging_code_index, ix); + erts_atomic32_set_nob(&the_staging_code_index, ix); export_staging_unlock(); erts_tracer_nif_clear(); CIX_TRACE("activate"); @@ -115,12 +115,10 @@ void erts_abort_staging_code_ix(void) int erts_try_seize_code_write_permission(Process* c_p) { int success; -#ifdef ERTS_SMP - ASSERT(!erts_smp_thr_progress_is_blocking()); /* to avoid deadlock */ -#endif + ASSERT(!erts_thr_progress_is_blocking()); /* to avoid deadlock */ ASSERT(c_p != NULL); - erts_smp_mtx_lock(&code_write_permission_mtx); + erts_mtx_lock(&code_write_permission_mtx); success = (code_writing_process == NULL); if (success) { code_writing_process = c_p; @@ -138,21 +136,21 @@ int erts_try_seize_code_write_permission(Process* c_p) code_write_queue = qitem; erts_suspend(c_p, ERTS_PROC_LOCK_MAIN, NULL); } - erts_smp_mtx_unlock(&code_write_permission_mtx); + erts_mtx_unlock(&code_write_permission_mtx); return success; } void erts_release_code_write_permission(void) { - erts_smp_mtx_lock(&code_write_permission_mtx); - ERTS_SMP_LC_ASSERT(erts_has_code_write_permission()); + erts_mtx_lock(&code_write_permission_mtx); + ERTS_LC_ASSERT(erts_has_code_write_permission()); while (code_write_queue != NULL) { /* unleash the entire herd */ struct code_write_queue_item* qitem = code_write_queue; - erts_smp_proc_lock(qitem->p, ERTS_PROC_LOCK_STATUS); + erts_proc_lock(qitem->p, ERTS_PROC_LOCK_STATUS); if (!ERTS_PROC_IS_EXITING(qitem->p)) { erts_resume(qitem->p, ERTS_PROC_LOCK_STATUS); } - erts_smp_proc_unlock(qitem->p, ERTS_PROC_LOCK_STATUS); + erts_proc_unlock(qitem->p, ERTS_PROC_LOCK_STATUS); code_write_queue = qitem->next; erts_proc_dec_refc(qitem->p); erts_free(ERTS_ALC_T_CODE_IX_LOCK_Q, qitem); @@ -161,7 +159,7 @@ void erts_release_code_write_permission(void) #ifdef ERTS_ENABLE_LOCK_CHECK erts_tsd_set(has_code_write_permission, (void *) 0); #endif - erts_smp_mtx_unlock(&code_write_permission_mtx); + erts_mtx_unlock(&code_write_permission_mtx); } #ifdef ERTS_ENABLE_LOCK_CHECK |