aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/sys.h
diff options
context:
space:
mode:
authorSverker Eriksson <[email protected]>2019-01-31 19:36:01 +0100
committerSverker Eriksson <[email protected]>2019-01-31 19:36:01 +0100
commit14fe4c3ccf93c023f851512e573e2bac7d00b232 (patch)
tree2300a8b2b96e6b6f43d009f72a3e82e818a9eb9d /erts/emulator/beam/sys.h
parent81487129feb5823bf4c3a1721ce655d1e1616781 (diff)
parent780c5a2c43591fc17925177120b67b99d26e70e7 (diff)
downloadotp-14fe4c3ccf93c023f851512e573e2bac7d00b232.tar.gz
otp-14fe4c3ccf93c023f851512e573e2bac7d00b232.tar.bz2
otp-14fe4c3ccf93c023f851512e573e2bac7d00b232.zip
Merge branch 'sverker/port-control-badarg/OTP-15555' into maint
* sverker/port-control-badarg/OTP-15555: erts: Add doc warnings for erlang:port_command|call|control erts: Add magic port control numbers
Diffstat (limited to 'erts/emulator/beam/sys.h')
-rw-r--r--erts/emulator/beam/sys.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 869a575cb4..a69da4d762 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -1291,4 +1291,13 @@ erts_raw_env_next_char(byte *p, int encoding)
#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
+/*
+ * Magic numbers for our driver port_control callbacks.
+ * Kept them below 1<<27 to not inflict extra bignum garbage on 32-bit.
+ */
+#define ERTS_TTYSL_DRV_CONTROL_MAGIC_NUMBER 0x018b0900U
+#define ERTS_INET_DRV_CONTROL_MAGIC_NUMBER 0x03f1a300U
+#define ERTS_SPAWN_DRV_CONTROL_MAGIC_NUMBER 0x04c76a00U
+#define ERTS_FORKER_DRV_CONTROL_MAGIC_NUMBER 0x050a7800U
+
#endif