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authorSverker Eriksson <sverker@erlang.org>2011-03-01 17:40:01 +0100
committerSverker Eriksson <sverker@erlang.org>2011-03-01 17:40:01 +0100
commitcdf46e658a3a11b97f6179c0d416dc8f2e975509 (patch)
treebf517baedf32914d18fe54ca97cc00449e291766 /erts/doc
parenteb73cf780232d5eef351060bbb12d474863ca901 (diff)
parent1580937874b35350c0ff5c2a72b2540d7ec28378 (diff)
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Merge branch 'sverker/driver_SUITE_smp_select_nice_fail/OTP-9042' into dev
* sverker/driver_SUITE_smp_select_nice_fail/OTP-9042: Allow unexpected driver input event in driver_SUITE:smp_select
Diffstat (limited to 'erts/doc')
-rw-r--r--erts/doc/src/driver_entry.xml6
1 files changed, 5 insertions, 1 deletions
diff --git a/erts/doc/src/driver_entry.xml b/erts/doc/src/driver_entry.xml
index dd949d4048..7d1585f483 100644
--- a/erts/doc/src/driver_entry.xml
+++ b/erts/doc/src/driver_entry.xml
@@ -4,7 +4,7 @@
<cref>
<header>
<copyright>
- <year>2001</year><year>2010</year>
+ <year>2001</year><year>2011</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -219,6 +219,10 @@ typedef struct erl_drv_entry {
completes, write to the pipe (use <c>SetEvent</c> on
Windows), this will make the emulator call
<c>ready_input</c> or <c>ready_output</c>.</p>
+ <p>Spurious events may happen. That is, calls to <c>ready_input</c>
+ or <c>ready_output</c> even though no real events are signaled. In
+ reality it should be rare (and OS dependant), but a robust driver
+ must nevertheless be able to handle such cases.</p>
</item>
<tag><marker id="driver_name"/>char *driver_name</tag>
<item>