diff options
| author | Eric Wong <normalperson@yhbt.net> | 2011-01-12 16:24:23 -0800 |
|---|---|---|
| committer | Eric Wong <normalperson@yhbt.net> | 2011-01-12 16:24:23 -0800 |
| commit | 6cc7e96f972d9a648bef9d49ca245282250a5502 (patch) | |
| tree | 213ed552f782355f3e7a0f2e1fd86f2650aeb1c7 /ext | |
| parent | eeae500effcddece4e9186d7b647253c48b8a3a7 (diff) | |
| download | clogger-6cc7e96f972d9a648bef9d49ca245282250a5502.tar.gz | |
clock_gettime() is not available on some systems and/or CLOCK_MONOTONIC. This is totally broken considering the POSIX standard was 10 years ago, now. Nothing in gnulib, either, wtf?! http://www.gnu.org/software/gnulib/manual/html_node/clock_005fgettime.html
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/clogger_ext/broken_system_compat.h | 27 | ||||
| -rw-r--r-- | ext/clogger_ext/clogger.c | 1 | ||||
| -rw-r--r-- | ext/clogger_ext/extconf.rb | 1 |
3 files changed, 29 insertions, 0 deletions
diff --git a/ext/clogger_ext/broken_system_compat.h b/ext/clogger_ext/broken_system_compat.h new file mode 100644 index 0000000..f58307e --- /dev/null +++ b/ext/clogger_ext/broken_system_compat.h @@ -0,0 +1,27 @@ +/* + * this header includes functions to support broken systems + * without clock_gettime() or CLOCK_MONOTONIC + */ + +#ifndef HAVE_CLOCK_GETTIME +# ifndef CLOCK_REALTIME +# define CLOCK_REALTIME 0 /* whatever */ +# endif +static int fake_clock_gettime(int clk_id, struct timespec *res) +{ + struct timeval tv; + int r = gettimeofday(&tv, NULL); + + assert(0 == r && "gettimeofday() broke!?"); + res->tv_sec = tv.tv_sec; + res->tv_nsec = tv.tv_usec * 1000; + + return r; +} +# define clock_gettime fake_clock_gettime +#endif /* broken systems w/o clock_gettime() */ + +/* UGH */ +#ifndef _POSIX_MONOTONIC_CLOCK +# define CLOCK_MONOTONIC CLOCK_REALTIME +#endif diff --git a/ext/clogger_ext/clogger.c b/ext/clogger_ext/clogger.c index 9703f69..7e01e6d 100644 --- a/ext/clogger_ext/clogger.c +++ b/ext/clogger_ext/clogger.c @@ -16,6 +16,7 @@ #define _POSIX_C_SOURCE 200112L #include <time.h> #include "ruby_1_9_compat.h" +#include "broken_system_compat.h" static void clock_diff(struct timespec *a, const struct timespec *b) { diff --git a/ext/clogger_ext/extconf.rb b/ext/clogger_ext/extconf.rb index 60c46a7..d87d8c2 100644 --- a/ext/clogger_ext/extconf.rb +++ b/ext/clogger_ext/extconf.rb @@ -17,6 +17,7 @@ begin $CPPFLAGS += '-D_POSIX_SOURCE_200112L' have_func('CLOCK_MONOTONIC', 'time.h') end + have_func('clock_gettime', 'time.h') have_func('localtime_r', 'time.h') or raise "localtime_r needed" have_func('gmtime_r', 'time.h') or raise "gmtime_r needed" have_func('rb_str_set_len', 'ruby.h') |