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| author | Haibo Huang <hhb@google.com> | 2018-07-23 17:26:52 -0700 |
|---|---|---|
| committer | Haibo Huang <hhb@google.com> | 2018-07-24 09:44:25 -0700 |
| commit | 165065aed040e9658cb43fc1194d6799c9227043 (patch) | |
| tree | 8b959bf9d2b44f2b12c86dfdc5810210d587e99e /pcap_breakloop.3pcap | |
| parent | ba51ee392e9b2d5dd04faaf695b1da82488d0323 (diff) | |
| download | libpcap-165065aed040e9658cb43fc1194d6799c9227043.tar.gz | |
Update libpcap to 1.9.0
Test: compile
Change-Id: I5b036bc4544b3150629b943d3a7896d7dc03fec9
Diffstat (limited to 'pcap_breakloop.3pcap')
| -rw-r--r-- | pcap_breakloop.3pcap | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/pcap_breakloop.3pcap b/pcap_breakloop.3pcap index 3f9327b1..03b8d8d1 100644 --- a/pcap_breakloop.3pcap +++ b/pcap_breakloop.3pcap @@ -17,7 +17,7 @@ .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. .\" -.TH PCAP_BREAKLOOP 3PCAP "8 March 2015" +.TH PCAP_BREAKLOOP 3PCAP "8 November 2017" .SH NAME pcap_breakloop \- force a pcap_dispatch() or pcap_loop() call to return .SH SYNOPSIS @@ -62,9 +62,21 @@ packets arrive and the call completes. Note also that, in a multi-threaded application, if one thread is blocked in pcap_dispatch(), pcap_loop(), pcap_next(), or pcap_next_ex(), a call to pcap_breakloop() in a different thread will not unblock that -thread; you will need to use whatever mechanism the OS provides for +thread. +.ft R +You will need to use whatever mechanism the OS provides for breaking a thread out of blocking calls in order to unblock the thread, -such as thread cancellation in systems that support POSIX threads. +such as thread cancellation or thread signalling in systems that support +POSIX threads, or +.B SetEvent() +on the result of +.B pcap_getevent() +on a +.B pcap_t +on which the thread is blocked on Windows. Asynchronous procedure calls +will not work on Windows, as a thread blocked on a +.B pcap_t +will not be in an alertable state. .ft R .PP Note that |