On Wed, Dec 27 2017, Mark Kettenis <mark.kette...@xs4all.nl> wrote:
>> Date: Wed, 27 Dec 2017 08:52:28 -0600
>> From: Scott Cheloha <scottchel...@gmail.com>
>> 
>> The timevals in clnt_tcp.c and clnt_udp.c are assigned and never used.
>> 
>> The timevals in auth_unix.c are only used for the .tv_sec field, so
>> we can just initialize .aup_time with time(3).
>> 
>> ok?
>
> I really don't get the cruscade agains gettimeofday().  Despite what
> POSIX may say, it is not going away.  And what you're proposing isn't
> really an optimization.  As far as I'm concerned this is just
> (unwanted) churn.

I don't think there's a crusade here; time(3) gives us shorter code in
auth_unix.c, and still uses gettimeofday(2) under the hood.  The two
other diffs are dead code removal.  I think it's worth it, ok jca@

>> Index: lib/libc/rpc/auth_unix.c
>> ===================================================================
>> RCS file: /cvs/src/lib/libc/rpc/auth_unix.c,v
>> retrieving revision 1.26
>> diff -u -p -r1.26 auth_unix.c
>> --- lib/libc/rpc/auth_unix.c 1 Nov 2015 03:45:29 -0000       1.26
>> +++ lib/libc/rpc/auth_unix.c 27 Dec 2017 14:47:50 -0000
>> @@ -45,6 +45,7 @@
>>  #include <stdlib.h>
>>  #include <unistd.h>
>>  #include <string.h>
>> +#include <time.h>
>>  
>>  #include <rpc/types.h>
>>  #include <rpc/xdr.h>
>> @@ -93,7 +94,6 @@ authunix_create(char *machname, int uid,
>>  {
>>      struct authunix_parms aup;
>>      char mymem[MAX_AUTH_BYTES];
>> -    struct timeval now;
>>      XDR xdrs;
>>      AUTH *auth;
>>      struct audata *au;
>> @@ -121,8 +121,7 @@ authunix_create(char *machname, int uid,
>>      /*
>>       * fill in param struct from the given params
>>       */
>> -    (void)gettimeofday(&now,  NULL);
>> -    aup.aup_time = now.tv_sec;
>> +    aup.aup_time = time(NULL);
>>      aup.aup_machname = machname;
>>      aup.aup_uid = uid;
>>      aup.aup_gid = gid;
>> @@ -254,7 +253,6 @@ authunix_refresh(AUTH *auth)
>>  {
>>      struct audata *au = AUTH_PRIVATE(auth);
>>      struct authunix_parms aup;
>> -    struct timeval now;
>>      XDR xdrs;
>>      int stat;
>>  
>> @@ -274,8 +272,7 @@ authunix_refresh(AUTH *auth)
>>              goto done;
>>  
>>      /* update the time and serialize in place */
>> -    (void)gettimeofday(&now, NULL);
>> -    aup.aup_time = now.tv_sec;
>> +    aup.aup_time = time(NULL);
>>      xdrs.x_op = XDR_ENCODE;
>>      XDR_SETPOS(&xdrs, 0);
>>      stat = xdr_authunix_parms(&xdrs, &aup);
>> Index: lib/libc/rpc/clnt_tcp.c
>> ===================================================================
>> RCS file: /cvs/src/lib/libc/rpc/clnt_tcp.c,v
>> retrieving revision 1.31
>> diff -u -p -r1.31 clnt_tcp.c
>> --- lib/libc/rpc/clnt_tcp.c  14 Dec 2017 18:56:22 -0000      1.31
>> +++ lib/libc/rpc/clnt_tcp.c  27 Dec 2017 14:47:50 -0000
>> @@ -114,7 +114,6 @@ clnttcp_create(struct sockaddr_in *raddr
>>  {
>>      CLIENT *h;
>>      struct ct_data *ct = NULL;
>> -    struct timeval now;
>>      struct rpc_msg call_msg;
>>  
>>      h  = (CLIENT *)mem_alloc(sizeof(*h));
>> @@ -174,7 +173,6 @@ clnttcp_create(struct sockaddr_in *raddr
>>      /*
>>       * Initialize call message
>>       */
>> -    (void)gettimeofday(&now, NULL);
>>      call_msg.rm_xid = arc4random();
>>      call_msg.rm_direction = CALL;
>>      call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
>> Index: lib/libc/rpc/clnt_udp.c
>> ===================================================================
>> RCS file: /cvs/src/lib/libc/rpc/clnt_udp.c,v
>> retrieving revision 1.34
>> diff -u -p -r1.34 clnt_udp.c
>> --- lib/libc/rpc/clnt_udp.c  14 Dec 2017 18:56:22 -0000      1.34
>> +++ lib/libc/rpc/clnt_udp.c  27 Dec 2017 14:47:50 -0000
>> @@ -109,7 +109,6 @@ clntudp_bufcreate(struct sockaddr_in *ra
>>  {
>>      CLIENT *cl;
>>      struct cu_data *cu = NULL;
>> -    struct timeval now;
>>      struct rpc_msg call_msg;
>>  
>>      cl = (CLIENT *)mem_alloc(sizeof(CLIENT));
>> @@ -128,7 +127,6 @@ clntudp_bufcreate(struct sockaddr_in *ra
>>      }
>>      cu->cu_outbuf = &cu->cu_inbuf[recvsz];
>>  
>> -    (void)gettimeofday(&now, NULL);
>>      if (raddr->sin_port == 0) {
>>              u_short port;
>>              if ((port =
>> 
>> 
>

-- 
jca | PGP : 0x1524E7EE / 5135 92C1 AD36 5293 2BDF  DDCC 0DFA 74AE 1524 E7EE

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