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Lines 188-195
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| 188 |
* for accept(2). |
188 |
* for accept(2). |
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* NB: The orginal sysctl somaxconn is still available but hidden |
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* NB: The orginal sysctl somaxconn is still available but hidden |
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* to prevent confusion about the actual purpose of this number. |
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* to prevent confusion about the actual purpose of this number. |
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* Also allow the system administrator to set a minimum listen queue |
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* size to adjust the behaviour of badly written programs. |
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*/ |
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*/ |
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static int somaxconn = SOMAXCONN; |
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static int somaxconn = SOMAXCONN; |
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static int sominconn = SOMAXCONN; |
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static int |
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static int |
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sysctl_somaxconn(SYSCTL_HANDLER_ARGS) |
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sysctl_somaxconn(SYSCTL_HANDLER_ARGS) |
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Lines 216-221
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| 216 |
0, sizeof(int), sysctl_somaxconn, "I", |
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0, sizeof(int), sysctl_somaxconn, "I", |
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"Maximum listen socket pending connection accept queue size (compat)"); |
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"Maximum listen socket pending connection accept queue size (compat)"); |
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static int |
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sysctl_sominconn(SYSCTL_HANDLER_ARGS) |
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{ |
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int error; |
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int val; |
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val = sominconn; |
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error = sysctl_handle_int(oidp, &val, 0, req); |
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if (error || !req->newptr ) |
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return (error); |
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if (val < 1 || val > USHRT_MAX) |
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return (EINVAL); |
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sominconn = val; |
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return (0); |
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} |
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SYSCTL_PROC(_kern_ipc, OID_AUTO, soacceptqueue_minimum, CTLTYPE_UINT | CTLFLAG_RW, |
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0, sizeof(int), sysctl_sominconn, "I", |
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"Minimum listen socket pending connection accept queue size"); |
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static int numopensockets; |
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static int numopensockets; |
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SYSCTL_INT(_kern_ipc, OID_AUTO, numopensockets, CTLFLAG_RD, |
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SYSCTL_INT(_kern_ipc, OID_AUTO, numopensockets, CTLFLAG_RD, |
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&numopensockets, 0, "Number of open sockets"); |
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&numopensockets, 0, "Number of open sockets"); |
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Lines 661-666
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| 661 |
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if (backlog < 0 || backlog > somaxconn) |
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if (backlog < 0 || backlog > somaxconn) |
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backlog = somaxconn; |
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backlog = somaxconn; |
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if (backlog < sominconn) |
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backlog = sominconn; |
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so->so_qlimit = backlog; |
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so->so_qlimit = backlog; |
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so->so_options |= SO_ACCEPTCONN; |
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so->so_options |= SO_ACCEPTCONN; |
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} |
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} |