diff options
| -rw-r--r-- | src/port/getrusage.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/src/port/getrusage.c b/src/port/getrusage.c index 1ef199ed02e..c2ffa848d34 100644 --- a/src/port/getrusage.c +++ b/src/port/getrusage.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/port/getrusage.c,v 1.6 2004/08/29 04:13:12 momjian Exp $ + * $PostgreSQL: pgsql/src/port/getrusage.c,v 1.7 2004/09/02 17:55:16 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -26,6 +26,7 @@ * solaris_sparc * svr4 * hpux 9.* + * win32 * which currently is all the supported platforms that don't have a * native version of getrusage(). So, if configure decides to compile * this file at all, we just use this version unconditionally. @@ -35,9 +36,39 @@ int getrusage(int who, struct rusage * rusage) { #ifdef WIN32 - if (rusage) - memset(rusage, 0, sizeof(rusage)); -#else + + FILETIME starttime; + FILETIME exittime; + FILETIME kerneltime; + FILETIME usertime; + ULARGE_INTEGER li; + + if (rusage == (struct rusage *)NULL) + { + errno = EFAULT; + return -1; + } + memset(rusage, 0, sizeof(struct rusage)); + if (GetProcessTimes(GetCurrentProcess(), + &starttime, &exittime, &kerneltime, &usertime) == 0) + { + _dosmaperr(GetLastError()); + return -1; + } + + /* Convert FILETIMEs (0.1 us) to struct timeval */ + memcpy(&li, &kerneltime, sizeof(FILETIME)); + li.QuadPart /= 10L; /* Convert to microseconds */ + rusage->ru_stime.tv_sec = li.QuadPart / 1000000L; + rusage->ru_stime.tv_usec = li.QuadPart % 1000000L; + + memcpy(&li, &usertime, sizeof(FILETIME)); + li.QuadPart /= 10L; /* Convert to microseconds */ + rusage->ru_utime.tv_sec = li.QuadPart / 1000000L; + rusage->ru_utime.tv_usec = li.QuadPart % 1000000L; + +#else /* all but WIN32 */ + struct tms tms; int tick_rate = CLK_TCK; /* ticks per second */ clock_t u, @@ -73,6 +104,8 @@ getrusage(int who, struct rusage * rusage) rusage->ru_utime.tv_usec = TICK_TO_USEC(u, tick_rate); rusage->ru_stime.tv_sec = TICK_TO_SEC(s, tick_rate); rusage->ru_stime.tv_usec = TICK_TO_USEC(u, tick_rate); -#endif + +#endif /* WIN32 */ + return 0; } |