diff options
| author | Ken Brown <kbrown@cornell.edu> | 2015-06-22 17:38:35 -0400 |
|---|---|---|
| committer | Ken Brown <kbrown@cornell.edu> | 2015-06-22 17:38:35 -0400 |
| commit | 531125e4c024ca12701608c4516cb9cf993cfad2 (patch) | |
| tree | c477e5b6b4a9e1e429f9f2bdf0a2d0f8f8a3144b | |
| parent | dc30fb9247d5d9d98ae1c3501d3ffa90e2001a46 (diff) | |
Enable CPU profiling on Cygwin
* src/syssignal.h [CYGWIN] (PROFILER_CPU_SUPPORT): Revert previous
change that undefined this.
(SIGEV_SIGNAL): Ensure that this is defined as a macro.
* src/profiler.c [CYGWIN] (timer_getoverrun): Define as a macro on
Cygwin.
| -rw-r--r-- | src/profiler.c | 6 | ||||
| -rw-r--r-- | src/syssignal.h | 10 |
2 files changed, 13 insertions, 3 deletions
diff --git a/src/profiler.c b/src/profiler.c index 185382c5bd..d4c98a8265 100644 --- a/src/profiler.c +++ b/src/profiler.c @@ -217,6 +217,12 @@ static EMACS_INT current_sampling_interval; /* Signal handler for sampling profiler. */ +/* timer_getoverrun is not implemented on Cygwin, but the following + seems to be good enough for profiling. */ +#ifdef CYGWIN +#define timer_getoverrun(x) 0 +#endif + static void handle_profiler_signal (int signal) { diff --git a/src/syssignal.h b/src/syssignal.h index 28824003c5..5c14479cca 100644 --- a/src/syssignal.h +++ b/src/syssignal.h @@ -32,13 +32,17 @@ extern void unblock_tty_out_signal (sigset_t const *); #define FORWARD_SIGNAL_TO_MAIN_THREAD #endif +/* On Cygwin as of 2015-06-22 SIGEV_SIGNAL is defined as an enum + constant but not as a macro. */ +#if defined CYGWIN && !defined SIGEV_SIGNAL +#define SIGEV_SIGNAL SIGEV_SIGNAL +#endif + #if defined HAVE_TIMER_SETTIME && defined SIGEV_SIGNAL # define HAVE_ITIMERSPEC #endif -/* On Cygwin, setitimer does not support ITIMER_PROF, so we can't - support CPU profiling. */ -#if (defined SIGPROF && !defined PROFILING && !defined CYGWIN \ +#if (defined SIGPROF && !defined PROFILING \ && (defined HAVE_SETITIMER || defined HAVE_ITIMERSPEC)) # define PROFILER_CPU_SUPPORT #endif |