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merge revision(s) 42639: [Backport #8805]

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* gc.c (getrusage_time): Fallback clock_gettime to getrusage when
	  clock_gettime fails.
	  Reported by Eric Saxby.  [ruby-core:56762] [Bug #8805]
	  


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@42653 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagachika 2013-08-22 16:14:58 +00:00
parent 12b80db8a0
commit f79b8872ce
3 changed files with 51 additions and 34 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Fri Aug 23 00:55:02 2013 Tanaka Akira <akr@fsij.org>
* gc.c (getrusage_time): Fallback clock_gettime to getrusage when
clock_gettime fails.
Reported by Eric Saxby. [ruby-core:56762] [Bug #8805]
Sat Aug 17 00:42:12 2013 Kazuhiro NISHIYAMA <zn@mbf.nifty.com>
* parse.y: fix build error with bison-3.0.

73
gc.c
View file

@ -3879,43 +3879,54 @@ static double
getrusage_time(void)
{
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_PROCESS_CPUTIME_ID)
struct timespec ts;
if (clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts) == 0) {
return ts.tv_sec + ts.tv_nsec * 1e-9;
}
return 0.0;
#elif defined RUSAGE_SELF
struct rusage usage;
struct timeval time;
getrusage(RUSAGE_SELF, &usage);
time = usage.ru_utime;
return time.tv_sec + time.tv_usec * 1e-6;
#elif defined _WIN32
FILETIME creation_time, exit_time, kernel_time, user_time;
ULARGE_INTEGER ui;
LONG_LONG q;
double t;
if (GetProcessTimes(GetCurrentProcess(),
&creation_time, &exit_time, &kernel_time, &user_time) == 0)
{
return 0.0;
static int try_clock_gettime = 1;
struct timespec ts;
if (try_clock_gettime && clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts) == 0) {
return ts.tv_sec + ts.tv_nsec * 1e-9;
}
else {
try_clock_gettime = 0;
}
}
memcpy(&ui, &user_time, sizeof(FILETIME));
q = ui.QuadPart / 10L;
t = (DWORD)(q % 1000000L) * 1e-6;
q /= 1000000L;
#endif
#ifdef RUSAGE_SELF
{
struct rusage usage;
struct timeval time;
if (getrusage(RUSAGE_SELF, &usage) == 0) {
time = usage.ru_utime;
return time.tv_sec + time.tv_usec * 1e-6;
}
}
#endif
#ifdef _WIN32
{
FILETIME creation_time, exit_time, kernel_time, user_time;
ULARGE_INTEGER ui;
LONG_LONG q;
double t;
if (GetProcessTimes(GetCurrentProcess(),
&creation_time, &exit_time, &kernel_time, &user_time) != 0) {
memcpy(&ui, &user_time, sizeof(FILETIME));
q = ui.QuadPart / 10L;
t = (DWORD)(q % 1000000L) * 1e-6;
q /= 1000000L;
#ifdef __GNUC__
t += q;
t += q;
#else
t += (double)(DWORD)(q >> 16) * (1 << 16);
t += (DWORD)q & ~(~0 << 16);
t += (double)(DWORD)(q >> 16) * (1 << 16);
t += (DWORD)q & ~(~0 << 16);
#endif
return t;
#else
return t;
}
}
#endif
return 0.0;
#endif
}
static inline void

6
version.h
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@ -1,10 +1,10 @@
#define RUBY_VERSION "2.0.0"
#define RUBY_RELEASE_DATE "2013-08-17"
#define RUBY_PATCHLEVEL 295
#define RUBY_RELEASE_DATE "2013-08-23"
#define RUBY_PATCHLEVEL 296
#define RUBY_RELEASE_YEAR 2013
#define RUBY_RELEASE_MONTH 8
#define RUBY_RELEASE_DAY 17
#define RUBY_RELEASE_DAY 23
#include "ruby/version.h"