diff options
| author | Mike Gran <spk121@yahoo.com> | 2017-03-06 23:06:12 -0800 |
|---|---|---|
| committer | Mike Gran <spk121@yahoo.com> | 2017-03-06 23:06:12 -0800 |
| commit | 70cfabd7e87f93d210bad377feb7ca50fa3bd133 (patch) | |
| tree | dc29f257b5b753a5b2d82968b09699a718f7f288 /libguile | |
| parent | 4ce31fd387e89c8f64716866705a5a34651506ea (diff) | |
Check for working profiling and virtual itimers
* configure.ac (HAVE_USABLE_GETITIMER_PROF, HAVE_USABLE_GETITIMER_VIRTUAL): new tests
* doc/ref/posix.texi (setitimer, getitimer): document provided? 'ITIMER_VIRTUAL and 'ITIMER_PROF
* doc/ref/statprof.texi (statprof): document ITIMER_PROF requirements
* libguile/scmsigs.c (scm_setitimer, scm_getitimer): document (provided? 'ITIMER_VIRTUAL) and (provided? 'ITIMER_PROF)
(scm_init_scmsigs): add features ITIMER_VIRTUAL and ITIMER_PROF
* test-suite/tests/asyncs.test ("prevention via sigprof"): throw when unsupported
* test-suite/tests/signals.test: throw when not supported
* test-suite/tests/statprof.test: throw when not supported
Diffstat (limited to 'libguile')
| -rw-r--r-- | libguile/scmsigs.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/libguile/scmsigs.c b/libguile/scmsigs.c index f210380e8..21b2a9529 100644 --- a/libguile/scmsigs.c +++ b/libguile/scmsigs.c @@ -1,5 +1,5 @@ /* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2004, 2006, - * 2007, 2008, 2009, 2011, 2013, 2014 Free Software Foundation, Inc. + * 2007, 2008, 2009, 2011, 2013, 2014, 2017 Free Software Foundation, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License @@ -554,7 +554,13 @@ SCM_DEFINE (scm_setitimer, "setitimer", 5, 0, 0, "The return value will be a list of two cons pairs representing the\n" "current state of the given timer. The first pair is the seconds and\n" "microseconds of the timer @code{it_interval}, and the second pair is\n" - "the seconds and microseconds of the timer @code{it_value}.") + "the seconds and microseconds of the timer @code{it_value}." + "\n" + "@code{ITIMER_PROF} or @code{ITIMER_VIRTUAL} are not supported on\n" + "some platforms and will always error. @code{(provided? 'ITIMER_PROF)}\n" + "and @code{(provided? 'ITIMER_VIRTUAL)} report whether those timers\n" + "are supported.\n") + #define FUNC_NAME s_scm_setitimer { int rv; @@ -591,7 +597,12 @@ SCM_DEFINE (scm_getitimer, "getitimer", 1, 0, 0, "The return value will be a list of two cons pairs representing the\n" "current state of the given timer. The first pair is the seconds and\n" "microseconds of the timer @code{it_interval}, and the second pair is\n" - "the seconds and microseconds of the timer @code{it_value}.") + "the seconds and microseconds of the timer @code{it_value}." + "\n" + "@code{ITIMER_PROF} or @code{ITIMER_VIRTUAL} are not supported on\n" + "some platforms and will always error. @code{(provided? 'ITIMER_PROF)}\n" + "and @code{(provided? 'ITIMER_VIRTUAL)} report whether those timers\n" + "are supported.\n") #define FUNC_NAME s_scm_getitimer { int rv; @@ -601,10 +612,10 @@ SCM_DEFINE (scm_getitimer, "getitimer", 1, 0, 0, c_which_timer = SCM_NUM2INT(1, which_timer); SCM_SYSCALL(rv = getitimer(c_which_timer, &old_timer)); - + if(rv != 0) SCM_SYSERROR; - + return scm_list_2 (scm_cons (scm_from_long (old_timer.it_interval.tv_sec), scm_from_long (old_timer.it_interval.tv_usec)), scm_cons (scm_from_long (old_timer.it_value.tv_sec), @@ -726,6 +737,12 @@ scm_init_scmsigs () scm_c_define ("ITIMER_REAL", scm_from_int (ITIMER_REAL)); scm_c_define ("ITIMER_VIRTUAL", scm_from_int (ITIMER_VIRTUAL)); scm_c_define ("ITIMER_PROF", scm_from_int (ITIMER_PROF)); +#ifdef HAVE_USABLE_GETITIMER_PROF + scm_add_feature ("ITIMER_PROF"); +#endif +#ifdef HAVE_USABLE_GETITIMER_VIRTUAL + scm_add_feature ("ITIMER_VIRTUAL"); +#endif #endif /* defined(HAVE_SETITIMER) || defined(HAVE_GETITIMER) */ #include "libguile/scmsigs.x" |