Gleb Smirnoff
3a58a50dd4
This removes requirement for existence of obsolete IPPROTO_DIVERT in <netinet/in.h> and the 'divert' entry in /etc/protocols. Also, this avoids running through the nsdispatch(3) machinery on startup, cutting down about 20 syscalls, three of which are open(2). The code of sockstat(1) itself is also reduced. The only UI change for a normal execution is that now the divert(4) sockets are reported as "divert4" instead of "div4". The prefix "4" itself is also incorrect, as divert(4) is not a part of IPv4. This will be addressed in a separate change. There is small UI change for incorrect runs. Previously protocols listed in /etc/protocols, but not supported, would err out like this: # sockstat -P ggp sockstat: protocol 3 not supported And non-existent protocols would err out like this: # sockstat -P foo sockstat: cap_getprotobyname: No error: 0 USER COMMAND PID FD PROTO LOCAL ADDRESS FOREIGN ADDRESS Now both cases will consistently err: sockstat: protocol foo not supported Reviewed by: pouria, tuexen Differential Revision: https://reviews.freebsd.org/D57507
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| Directory | Description |
|---|---|
| bin | System/user commands. |
| cddl | Source code for third-party software under the Common Development and Distribution License. |
| contrib | Source code for third-party software. |
| crypto | Source code for cryptographic libraries and commands (see crypto/README). |
| etc | Template files for /etc. |
| gnu | Source code for third-party software under the GNU General Public License (GPL) or Lesser General Public License (LGPL). Please see gnu/COPYING and gnu/COPYING.LIB for more information. |
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| krb5 | Build system for Kerberos 5 (MIT). |
| lib | System libraries. |
| libexec | System commands intended to be executed by other commands or daemons. |
| packages | Base system packages. |
| release | Makefiles and scripts used for building releases and VM images. |
| rescue | Build system for statically linked /rescue commands. |
| sbin | System commands. |
| secure | Build system for cryptographic libraries and commands (excluding Kerberos). |
| share | Shared resources. |
| stand | Boot loader sources. |
| sys | Kernel sources (see sys/README.md). |
| targets | Support for experimental DIRDEPS_BUILD |
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| tools | Ancillary utilities and tests (not included in the build). |
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| usr.sbin | System administration commands. |
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