From 7e35f3585ae396b7e19a4a5d09f1b378806d523a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 7 Nov 2011 15:39:56 +0100 Subject: erts: remove debug variables in beam_bp --- erts/emulator/beam/beam_bp.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index 773baad01f..c90795c343 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -612,9 +612,13 @@ static void bp_hash_delete(bp_time_hash_t *hash) { static void bp_time_diff(bp_data_time_item_t *item, /* out */ process_breakpoint_time_t *pbt, /* in */ Uint ms, Uint s, Uint us) { - int dms,ds,dus; + int ds,dus; +#ifdef DEBUG + int dms; + dms = ms - pbt->ms; +#endif ds = s - pbt->s; dus = us - pbt->us; @@ -622,7 +626,9 @@ static void bp_time_diff(bp_data_time_item_t *item, /* out */ * this is ok. */ +#ifdef DEBUG ASSERT(dms >= 0 || ds >= 0 || dus >= 0); +#endif if (dus < 0) { dus += 1000000; -- cgit v1.2.3 From b37aca2a4ac3e79c39ab4dd588eda2b6bd77d311 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 7 Nov 2011 15:41:27 +0100 Subject: erts: "initialized" is only used with CHLDWTHR --- erts/emulator/sys/unix/sys.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 82d2c64d81..94ec8dc8a0 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -2892,8 +2892,8 @@ smp_sig_notify(char c) static void * signal_dispatcher_thread_func(void *unused) { - int initialized = 0; #if !CHLDWTHR + int initialized = 0; int notify_check_children = 0; #endif #ifdef ERTS_ENABLE_LOCK_CHECK @@ -2933,8 +2933,8 @@ signal_dispatcher_thread_func(void *unused) */ switch (buf[i]) { case 0: /* Emulator initialized */ - initialized = 1; #if !CHLDWTHR + initialized = 1; if (!notify_check_children) #endif break; -- cgit v1.2.3 From 3a1e846e08b28fd38df5fa36c4b5ec13c420d1d3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 7 Nov 2011 15:44:37 +0100 Subject: erts: Remove unused variable in ttsl_drv --- erts/emulator/drivers/unix/ttsl_drv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/erts/emulator/drivers/unix/ttsl_drv.c b/erts/emulator/drivers/unix/ttsl_drv.c index d782b044a9..45d39a559f 100644 --- a/erts/emulator/drivers/unix/ttsl_drv.c +++ b/erts/emulator/drivers/unix/ttsl_drv.c @@ -242,7 +242,7 @@ static ErlDrvData ttysl_start(ErlDrvPort port, char* buf) #ifndef HAVE_TERMCAP return ERL_DRV_ERROR_GENERAL; #else - char *s, *t, c, *l; + char *s, *t, *l; int canon, echo, sig; /* Terminal characteristics */ int flag; extern int using_oldshell; /* set this to let the rest of erts know */ @@ -262,7 +262,6 @@ static ErlDrvData ttysl_start(ErlDrvPort port, char* buf) s++; /* Find end of this argument (start of next) and insert NUL. */ if ((t = strchr(s, ' '))) { - c = *t; *t = '\0'; } if ((flag = ((*s == '+') ? 1 : ((*s == '-') ? -1 : 0)))) { -- cgit v1.2.3 From 5e8fa1d015f87dcbf2e6b84d5cc4161478851f41 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 7 Nov 2011 15:45:28 +0100 Subject: erts: Remove lock_check debug variables --- erts/emulator/beam/erl_process_lock.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/erts/emulator/beam/erl_process_lock.c b/erts/emulator/beam/erl_process_lock.c index 83379d7352..b4d20480c5 100644 --- a/erts/emulator/beam/erl_process_lock.c +++ b/erts/emulator/beam/erl_process_lock.c @@ -669,7 +669,9 @@ proc_safelock(Process *a_proc, ErtsProcLocks b_need_locks) { Process *p1, *p2; +#ifdef ERTS_ENABLE_LOCK_CHECK Eterm pid1, pid2; +#endif erts_pix_lock_t *pix_lck1, *pix_lck2; ErtsProcLocks need_locks1, have_locks1, need_locks2, have_locks2; ErtsProcLocks unlock_mask; @@ -684,24 +686,32 @@ proc_safelock(Process *a_proc, if (a_proc) { if (a_proc->id < b_proc->id) { p1 = a_proc; +#ifdef ERTS_ENABLE_LOCK_CHECK pid1 = a_proc->id; +#endif pix_lck1 = a_pix_lck; need_locks1 = a_need_locks; have_locks1 = a_have_locks; p2 = b_proc; +#ifdef ERTS_ENABLE_LOCK_CHECK pid2 = b_proc->id; +#endif pix_lck2 = b_pix_lck; need_locks2 = b_need_locks; have_locks2 = b_have_locks; } else if (a_proc->id > b_proc->id) { p1 = b_proc; +#ifdef ERTS_ENABLE_LOCK_CHECK pid1 = b_proc->id; +#endif pix_lck1 = b_pix_lck; need_locks1 = b_need_locks; have_locks1 = b_have_locks; p2 = a_proc; +#ifdef ERTS_ENABLE_LOCK_CHECK pid2 = a_proc->id; +#endif pix_lck2 = a_pix_lck; need_locks2 = a_need_locks; have_locks2 = a_have_locks; @@ -710,12 +720,16 @@ proc_safelock(Process *a_proc, ERTS_LC_ASSERT(a_proc == b_proc); ERTS_LC_ASSERT(a_proc->id == b_proc->id); p1 = a_proc; +#ifdef ERTS_ENABLE_LOCK_CHECK pid1 = a_proc->id; +#endif pix_lck1 = a_pix_lck; need_locks1 = a_need_locks | b_need_locks; have_locks1 = a_have_locks | b_have_locks; p2 = NULL; +#ifdef ERTS_ENABLE_LOCK_CHECK pid2 = 0; +#endif pix_lck2 = NULL; need_locks2 = 0; have_locks2 = 0; @@ -723,12 +737,16 @@ proc_safelock(Process *a_proc, } else { p1 = b_proc; +#ifdef ERTS_ENABLE_LOCK_CHECK pid1 = b_proc->id; +#endif pix_lck1 = b_pix_lck; need_locks1 = b_need_locks; have_locks1 = b_have_locks; p2 = NULL; +#ifdef ERTS_ENABLE_LOCK_CHECK pid2 = 0; +#endif pix_lck2 = NULL; need_locks2 = 0; have_locks2 = 0; -- cgit v1.2.3 From 4ceec9775e33de5587ed31b3c1902825ad0a0996 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 7 Nov 2011 15:47:26 +0100 Subject: erts: Remove dead code in efile_drv --- erts/emulator/drivers/common/efile_drv.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c index 68987b3493..52f1b5312b 100644 --- a/erts/emulator/drivers/common/efile_drv.c +++ b/erts/emulator/drivers/common/efile_drv.c @@ -2493,13 +2493,20 @@ file_flush(ErlDrvData e) { static int file_control(ErlDrvData e, unsigned int command, char* buf, int len, char **rbuf, int rlen) { + /* + * warning: variable ‘desc’ set but not used + * [-Wunused-but-set-variable] + * ... no kidding ... + * + * file_descriptor *desc = (file_descriptor *)e; switch (command) { default: return 0; - } /* switch (command) */ + } ASSERT(0); - desc = NULL; /* XXX Avoid warning while empty switch */ + desc = NULL; + */ return 0; } -- cgit v1.2.3 From 23e1f63738cef1a82e2dc18fe395ac208fdee5fc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 7 Nov 2011 15:54:39 +0100 Subject: erts: Remove debug variables in erl_db --- erts/emulator/beam/erl_db.c | 11 ++++++++++- erts/emulator/beam/erl_db_util.c | 7 ++++++- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index 0327850cb9..ee6e1771d0 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -1297,7 +1297,9 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) Uint32 status; Sint keypos; int is_named, is_fine_locked, frequent_read, is_compressed; +#ifdef DEBUG int cret; +#endif DeclareTmpHeap(meta_tuple,3,BIF_P); DbTableMethod* meth; erts_smp_rwmtx_t *mmtl; @@ -1445,7 +1447,10 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) tb->common.fixations = NULL; tb->common.compress = is_compressed; - cret = meth->db_create(BIF_P, tb); +#ifdef DEBUG + cret = +#endif + meth->db_create(BIF_P, tb); ASSERT(cret == DB_ERROR_NONE); erts_smp_spin_lock(&meta_main_tab_main_lock); @@ -2606,7 +2611,9 @@ BIF_RETTYPE ets_info_1(BIF_ALIST_1) int i; Eterm* hp; /*Process* rp = NULL;*/ + /* If/when we implement lockless private tables: Eterm owner; + */ if ((tb = db_get_table(BIF_P, BIF_ARG_1, DB_INFO, LCK_READ)) == NULL) { if (is_atom(BIF_ARG_1) || is_small(BIF_ARG_1)) { @@ -2615,7 +2622,9 @@ BIF_RETTYPE ets_info_1(BIF_ALIST_1) BIF_ERROR(BIF_P, BADARG); } + /* If/when we implement lockless private tables: owner = tb->common.owner; + */ /* If/when we implement lockless private tables: if ((tb->common.status & DB_PRIVATE) && owner != BIF_P->id) { diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index 7dfbb2ed02..42079a7cee 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -2846,7 +2846,9 @@ void* db_store_term_comp(DbTableCommon *tb, DbTerm* old, Uint offset, Eterm obj) Uint new_sz = offset + db_size_dbterm_comp(tb, obj); byte* basep; DbTerm* newp; +#ifdef DEBUG byte* top; +#endif ASSERT(tb->compress); if (old != 0) { @@ -2868,7 +2870,10 @@ void* db_store_term_comp(DbTableCommon *tb, DbTerm* old, Uint offset, Eterm obj) } newp->size = size_object(obj); - top = copy_to_comp(tb, obj, newp, new_sz); +#ifdef DEBUG + top = +#endif + copy_to_comp(tb, obj, newp, new_sz); ASSERT(top <= basep + new_sz); /* ToDo: Maybe realloc if ((basep+new_sz) - top) > WASTED_SPACE_LIMIT */ -- cgit v1.2.3 From 7566b2afc2a3bd509ea0bf744e87770643ce3477 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 7 Nov 2011 15:57:09 +0100 Subject: erts: Remove cp on exiting and trapping processes --- erts/emulator/beam/bif.c | 9 +++------ erts/emulator/beam/bif.h | 11 +++++++++++ 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 5b3261077b..76086860dd 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -4291,8 +4291,7 @@ void erts_bif_prep_await_proc_exit_data_trap(Process *c_p, Eterm pid, Eterm ret) { if (skip_current_msgq(c_p)) { - Eterm unused; - ERTS_BIF_PREP_TRAP3(unused, await_proc_exit_trap, c_p, pid, am_data, ret); + ERTS_BIF_PREP_TRAP3_NO_RET(await_proc_exit_trap, c_p, pid, am_data, ret); } } @@ -4300,8 +4299,7 @@ void erts_bif_prep_await_proc_exit_reason_trap(Process *c_p, Eterm pid) { if (skip_current_msgq(c_p)) { - Eterm unused; - ERTS_BIF_PREP_TRAP3(unused, await_proc_exit_trap, c_p, + ERTS_BIF_PREP_TRAP3_NO_RET(await_proc_exit_trap, c_p, pid, am_reason, am_undefined); } } @@ -4316,7 +4314,6 @@ erts_bif_prep_await_proc_exit_apply_trap(Process *c_p, { ASSERT(is_atom(module) && is_atom(function)); if (skip_current_msgq(c_p)) { - Eterm unused; Eterm term; Eterm *hp; int i; @@ -4328,7 +4325,7 @@ erts_bif_prep_await_proc_exit_apply_trap(Process *c_p, hp += 2; } term = TUPLE3(hp, module, function, term); - ERTS_BIF_PREP_TRAP3(unused, await_proc_exit_trap, c_p, pid, am_apply, term); + ERTS_BIF_PREP_TRAP3_NO_RET(await_proc_exit_trap, c_p, pid, am_apply, term); } } diff --git a/erts/emulator/beam/bif.h b/erts/emulator/beam/bif.h index 8faa09feb8..66f152a6ea 100644 --- a/erts/emulator/beam/bif.h +++ b/erts/emulator/beam/bif.h @@ -160,6 +160,17 @@ do { \ (Ret) = THE_NON_VALUE; \ } while (0) +#define ERTS_BIF_PREP_TRAP3_NO_RET(Trap, Proc, A0, A1, A2)\ +do { \ + (Proc)->arity = 3; \ + (Proc)->def_arg_reg[0] = (Eterm) (A0); \ + (Proc)->def_arg_reg[1] = (Eterm) (A1); \ + (Proc)->def_arg_reg[2] = (Eterm) (A2); \ + *((UWord *) (UWord) ((Proc)->def_arg_reg + 3)) = (UWord) ((Trap)->address); \ + (Proc)->freason = TRAP; \ +} while (0) + + #define BIF_TRAP0(p, Trap_) do { \ (p)->arity = 0; \ *((UWord *) (UWord) ((p)->def_arg_reg + 3)) = (UWord) ((Trap_)->address); \ -- cgit v1.2.3 From 02d6b0770538dcb2f0be1755b6db2139498a47b6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 7 Nov 2011 15:59:16 +0100 Subject: erts: Remove debug variable in list_to_binary --- erts/emulator/beam/binary.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c index 1fb39c6c67..29461877c5 100644 --- a/erts/emulator/beam/binary.c +++ b/erts/emulator/beam/binary.c @@ -356,8 +356,10 @@ BIF_RETTYPE erts_list_to_binary_bif(Process *p, Eterm arg) { Eterm bin; Uint size; - int offset; byte* bytes; +#ifdef DEBUG + int offset; +#endif if (is_nil(arg)) { BIF_RET(new_binary(p,(byte*)"",0)); @@ -372,7 +374,11 @@ BIF_RETTYPE erts_list_to_binary_bif(Process *p, Eterm arg) } bin = new_binary(p, (byte *)NULL, size); bytes = binary_bytes(bin); - offset = io_list_to_buf(arg, (char*) bytes, size); +#ifdef DEBUG + offset = +#endif + io_list_to_buf(arg, (char*) bytes, size); + ASSERT(offset == 0); BIF_RET(bin); -- cgit v1.2.3 From 4e73d4bee3fd7744ebaf9f672a0ab5bc6528301f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Mon, 7 Nov 2011 16:01:21 +0100 Subject: erts: Remove unused variable in enif_make_binary --- erts/emulator/beam/erl_nif.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 51f1fad811..224931c3fb 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -681,6 +681,7 @@ Eterm enif_make_sub_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term, ErlSubBin* sb; Eterm orig; Uint offset, bit_offset, bit_size; +#ifdef DEBUG unsigned src_size; ASSERT(is_binary(bin_term)); @@ -688,6 +689,7 @@ Eterm enif_make_sub_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term, ASSERT(pos <= src_size); ASSERT(size <= src_size); ASSERT(pos + size <= src_size); +#endif sb = (ErlSubBin*) alloc_heap(env, ERL_SUB_BIN_SIZE); ERTS_GET_REAL_BIN(bin_term, orig, offset, bit_offset, bit_size); sb->thing_word = HEADER_SUB_BIN; -- cgit v1.2.3