illumos gate

Build errors with gcc 8:

    sm_svc.c: In function 'sm_prog_1':
    sm_svc.c:230:12: error: cast between incompatible function types from 'void (*)(reg1args *, reg1res *)' {aka 'void (*)(struct reg1args *, struct reg1res *)'} to 'char * (*)()' [-Werror=cast-function-type]
        local = (char *(*)()) nsmaddrproc1_reg;
                ^
    sm_svc.c:248:12: error: cast between incompatible function types from 'void (*)(sm_name *, sm_stat_res *)' {aka 'void (*)(struct sm_name *, struct sm_stat_res *)'} to 'char * (*)()' [-Werror=cast-function-type]
        local = (char *(*)()) sm_stat_svc;
                ^
    sm_svc.c:254:12: error: cast between incompatible function types from 'void (*)(mon *, sm_stat_res *)' {aka 'void (*)(struct mon *, struct sm_stat_res *)'} to 'char * (*)()' [-Werror=cast-function-type]
        local = (char *(*)()) sm_mon_svc;
                ^
    sm_svc.c:260:12: error: cast between incompatible function types from 'void (*)(mon_id *, sm_stat *)' {aka 'void (*)(struct mon_id *, struct sm_stat *)'} to 'char * (*)()' [-Werror=cast-function-type]
        local = (char *(*)()) sm_unmon_svc;
                ^
    sm_svc.c:266:12: error: cast between incompatible function types from 'void (*)(my_id *, sm_stat *)' {aka 'void (*)(struct my_id *, struct sm_stat *)'} to 'char * (*)()' [-Werror=cast-function-type]
        local = (char *(*)()) sm_unmon_all_svc;
                ^
    sm_svc.c:272:12: error: cast between incompatible function types from 'void (*)(void *)' to 'char * (*)()' [-Werror=cast-function-type]
        local = (char *(*)()) sm_simu_crash_svc;
                ^
    sm_svc.c:278:12: error: cast between incompatible function types from 'void (*)(stat_chge *)' {aka 'void (*)(struct stat_chge *)'} to 'char * (*)()' [-Werror=cast-function-type]
        local = (char *(*)()) sm_notify_svc;
                ^
    sm_statd.c: In function 'statd_init':
    sm_statd.c:241:26: error: cast between incompatible function types from 'void * (*)(void)' to 'void * (*)(void *)' [-Werror=cast-function-type]
      if (thr_create(NULL, 0, (void *(*)(void *))thr_statd_init, NULL,
                              ^
    sm_statd.c: In function 'thr_statd_init':
    sm_statd.c:438:26: error: cast between incompatible function types from 'void * (*)(void)' to 'void * (*)(void *)' [-Werror=cast-function-type]
      if (thr_create(NULL, 0, (void *(*)(void *))sm_try, NULL, THR_DETACHED,
                              ^
    cc1: all warnings being treated as errors

Testing done: build/install/boot

I was running mailx -f mbox on NFSv3 mounted directory, then did reboot NFS server. after reboot the mailx did resume as expected and  was able to acquire locks again:

192.168.150.40 -> 192.168.225.130 NLM R LOCK4 OH=0600 denied (grace period)
192.168.150.40 -> 192.168.225.130 NLM R LOCK4 OH=0600 denied (grace period)
192.168.225.130 -> 192.168.150.40 TCP D=4045 S=1010 Ack=3567439580 Seq=3227489823 Len=0 Win=64240
192.168.225.130 -> 192.168.150.40 NLM C Null4
192.168.150.40 -> 192.168.225.130 TCP D=1010 S=4045 Ack=3227489935 Seq=3567439580 Len=0 Win=64240
192.168.150.40 -> 192.168.225.130 NLM R Null4
192.168.225.130 -> 192.168.150.40 TCP D=4045 S=1010 Ack=3567439608 Seq=3227489935 Len=0 Win=64240
192.168.225.130 -> 192.168.150.40 NLM C LOCK4 OH=0600 FH=7B8F PID=7115 Region=0:0 (retransmit)
192.168.150.40 -> 192.168.225.130 TCP D=1010 S=4045 Ack=3227490143 Seq=3567439608 Len=0 Win=64240
192.168.150.40 -> 192.168.225.130 NLM R LOCK4 OH=0600 granted
192.168.225.130 -> 192.168.150.40 NFS C GETATTR3 FH=7B8F
192.168.150.40 -> 192.168.225.130 TCP D=1012 S=2049 Ack=3975456823 Seq=481305921 Len=0 Win=64240
192.168.150.40 -> 192.168.225.130 NLM R LOCK4 OH=0600 granted
192.168.150.40 -> 192.168.225.130 NFS R GETATTR3 OK

.40 is server, .130 is client.