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author | Sverker Eriksson <[email protected]> | 2019-02-06 19:10:26 +0100 |
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committer | Sverker Eriksson <[email protected]> | 2019-02-06 19:10:26 +0100 |
commit | 98cfd6016f8b40fc97e03b31177d14318349040f (patch) | |
tree | c0fcdd768071c36bfbcbf186d369d9ca14c47421 /erts/emulator/beam/erl_lock_flags.c | |
parent | e2ca71b6e7172b320b5b171359d53a161383fb19 (diff) | |
parent | 3825199794da28d79b21052a2e69e2335921d55e (diff) | |
download | otp-98cfd6016f8b40fc97e03b31177d14318349040f.tar.gz otp-98cfd6016f8b40fc97e03b31177d14318349040f.tar.bz2 otp-98cfd6016f8b40fc97e03b31177d14318349040f.zip |
Merge tag 'OTP-21.2' into sverker/map-from-ks-vs-bug
Diffstat (limited to 'erts/emulator/beam/erl_lock_flags.c')
-rw-r--r-- | erts/emulator/beam/erl_lock_flags.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_lock_flags.c b/erts/emulator/beam/erl_lock_flags.c new file mode 100644 index 0000000000..e0a0e95c09 --- /dev/null +++ b/erts/emulator/beam/erl_lock_flags.c @@ -0,0 +1,59 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2017. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * %CopyrightEnd% + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "erl_lock_flags.h" + +const char *erts_lock_flags_get_type_name(erts_lock_flags_t flags) { + switch(flags & ERTS_LOCK_FLAGS_MASK_TYPE) { + case ERTS_LOCK_FLAGS_TYPE_PROCLOCK: + return "proclock"; + case ERTS_LOCK_FLAGS_TYPE_MUTEX: + if(flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE) { + return "rw_mutex"; + } + + return "mutex"; + case ERTS_LOCK_FLAGS_TYPE_SPINLOCK: + if(flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE) { + return "rw_spinlock"; + } + + return "spinlock"; + default: + return "garbage"; + } +} + +const char *erts_lock_options_get_short_desc(erts_lock_options_t options) { + switch(options) { + case ERTS_LOCK_OPTIONS_RDWR: + return "rw"; + case ERTS_LOCK_OPTIONS_READ: + return "r"; + case ERTS_LOCK_OPTIONS_WRITE: + return "w"; + default: + return "none"; + } +} |