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handle binding port 0.

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This commit is contained in:
Kelvin Sherlock 2012-05-14 23:13:08 -04:00
parent 7c7a339b39
commit 46270ba354
1 changed files with 12 additions and 3 deletions
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15
mbind.c
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@ -56,10 +56,19 @@ int mbind(Entry *e, void *p1, void *p2, void *p3, void *p4, void *p5)
// address component is ignored -- only port is used.
IncBusy();
TCPIPSetSourcePort(e->ipid, port);
DecBusy();
// bind w/ port 0 means the system should pick a port.
// marinetti picks a port at TCPIPLogin time, so no need
// to do anything here.
// Note: TCPIPSetSourcePort does not check if the port is free.
// todo -- return EACCES if reserved port && !root.
if (port)
{
IncBusy();
TCPIPSetSourcePort(e->ipid, port);
DecBusy();
}
return 0;
}