|
| 1 | +/*------------------------------------------------------------------------- |
| 2 | + * |
| 3 | + * port.c-- |
| 4 | + * SunOS5-specific routines |
| 5 | + * |
| 6 | + * Copyright (c) 1994, Regents of the University of California |
| 7 | + * |
| 8 | + * |
| 9 | + * IDENTIFICATION |
| 10 | + * $Header: /cvsroot/pgsql/src/backend/port/i386_solaris/Attic/port.c,v 1.1 1996/07/20 08:34:34 scrappy Exp $ |
| 11 | + * |
| 12 | + *------------------------------------------------------------------------- |
| 13 | + */ |
| 14 | +#include<math.h>/* for pow() prototype */ |
| 15 | + |
| 16 | +#include<errno.h> |
| 17 | +#include"rusagestub.h" |
| 18 | + |
| 19 | +long |
| 20 | +random() |
| 21 | +{ |
| 22 | +return(lrand48()); |
| 23 | +} |
| 24 | + |
| 25 | +void |
| 26 | +srandom(intseed) |
| 27 | +{ |
| 28 | +srand48((longint)seed); |
| 29 | +} |
| 30 | + |
| 31 | +int |
| 32 | +getrusage(intwho,structrusage*rusage) |
| 33 | +{ |
| 34 | +structtmstms; |
| 35 | + registerinttick_rate=CLK_TCK;/* ticks per second */ |
| 36 | +clock_tu,s; |
| 37 | + |
| 38 | +if (rusage== (structrusage*)NULL) { |
| 39 | +errno=EFAULT; |
| 40 | +return(-1); |
| 41 | + } |
| 42 | +if (times(&tms)<0) { |
| 43 | +/* errno set by times */ |
| 44 | +return(-1); |
| 45 | + } |
| 46 | +switch (who) { |
| 47 | +caseRUSAGE_SELF: |
| 48 | +u=tms.tms_utime; |
| 49 | +s=tms.tms_stime; |
| 50 | +break; |
| 51 | +caseRUSAGE_CHILDREN: |
| 52 | +u=tms.tms_cutime; |
| 53 | +s=tms.tms_cstime; |
| 54 | +break; |
| 55 | +default: |
| 56 | +errno=EINVAL; |
| 57 | +return(-1); |
| 58 | + } |
| 59 | +#defineTICK_TO_SEC(T,RATE)((T)/(RATE)) |
| 60 | +#defineTICK_TO_USEC(T,RATE)(((T)%(RATE)*1000000)/RATE) |
| 61 | +rusage->ru_utime.tv_sec=TICK_TO_SEC(u,tick_rate); |
| 62 | +rusage->ru_utime.tv_usec=TICK_TO_USEC(u,tick_rate); |
| 63 | +rusage->ru_stime.tv_sec=TICK_TO_SEC(s,tick_rate); |
| 64 | +rusage->ru_stime.tv_usec=TICK_TO_USEC(u,tick_rate); |
| 65 | +return(0); |
| 66 | +} |