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author | Rickard Green <rickard@erlang.org> | 2012-11-29 01:24:43 +0100 |
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committer | Rickard Green <rickard@erlang.org> | 2012-12-07 00:24:27 +0100 |
commit | 9e4895da833b7777e69efc173f5dc777aaea3201 (patch) | |
tree | 02338dbdbf0b449b7b643437bf2cdd0cf73e4615 /erts/doc/src/driver_entry.xml | |
parent | 43ebafb5fb40aee326b951d18c1880e6e5fdef6b (diff) | |
download | otp-9e4895da833b7777e69efc173f5dc777aaea3201.tar.gz otp-9e4895da833b7777e69efc173f5dc777aaea3201.tar.bz2 otp-9e4895da833b7777e69efc173f5dc777aaea3201.zip |
Add support for busy port message queue
Diffstat (limited to 'erts/doc/src/driver_entry.xml')
-rw-r--r-- | erts/doc/src/driver_entry.xml | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/erts/doc/src/driver_entry.xml b/erts/doc/src/driver_entry.xml index a2efdf3ebc..d65a38570d 100644 --- a/erts/doc/src/driver_entry.xml +++ b/erts/doc/src/driver_entry.xml @@ -377,11 +377,11 @@ typedef struct erl_drv_entry { <tag><marker id="driver_flags"/>int driver_flags</tag> <item> - <p>This field is used to pass driver capability information to the - runtime system. If the <c>extended_marker</c> field equals - <c>ERL_DRV_EXTENDED_MARKER</c>, it should contain <c>0</c> or - driver flags (<c>ERL_DRV_FLAG_*</c>) ored bitwise. Currently - the following driver flags exist: + <p>This field is used to pass driver capability and other + information to the runtime system. If the + <c>extended_marker</c> field equals <c>ERL_DRV_EXTENDED_MARKER</c>, + it should contain <c>0</c> or driver flags (<c>ERL_DRV_FLAG_*</c>) + ored bitwise. Currently the following driver flags exist: </p> <taglist> <tag><c>ERL_DRV_FLAG_USE_PORT_LOCKING</c></tag> @@ -404,6 +404,12 @@ typedef struct erl_drv_entry { by the Erlang distribution (the behaviour has always been required by drivers used by the distribution). </item> + <tag><c>ERL_DRV_FLAG_NO_BUSY_MSGQ</c></tag> + <item>Disable busy port message queue functionality. For + more information, see the documentation of the + <seealso marker="erl_driver#erl_drv_busy_msgq_limits">erl_drv_busy_msgq_limits()</seealso> + function. + </item> </taglist> </item> <tag>void *handle2</tag> |