… | |
… | |
1997 | }; |
1997 | }; |
1998 | |
1998 | |
1999 | /*****************************************************************************/ |
1999 | /*****************************************************************************/ |
2000 | /* Coro::Semaphore */ |
2000 | /* Coro::Semaphore */ |
2001 | |
2001 | |
|
|
2002 | static SV * |
|
|
2003 | coro_semaphore_new (int count) |
|
|
2004 | { |
|
|
2005 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
|
|
2006 | AV *av = newAV (); |
|
|
2007 | SV **ary; |
|
|
2008 | |
|
|
2009 | /* unfortunately, building manually saves memory */ |
|
|
2010 | Newx (ary, 2, SV *); |
|
|
2011 | AvALLOC (av) = ary; |
|
|
2012 | AvARRAY (av) = ary; |
|
|
2013 | AvMAX (av) = 1; |
|
|
2014 | AvFILLp (av) = 0; |
|
|
2015 | ary [0] = newSViv (count); |
|
|
2016 | |
|
|
2017 | return newRV_noinc ((SV *)av); |
|
|
2018 | } |
|
|
2019 | |
2002 | static void |
2020 | static void |
2003 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2021 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2004 | { |
2022 | { |
2005 | SV *count_sv = AvARRAY (av)[0]; |
2023 | SV *count_sv = AvARRAY (av)[0]; |
2006 | IV count = SvIVX (count_sv); |
2024 | IV count = SvIVX (count_sv); |
… | |
… | |
2800 | |
2818 | |
2801 | |
2819 | |
2802 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2820 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2803 | |
2821 | |
2804 | SV * |
2822 | SV * |
2805 | new (SV *klass, SV *count_ = 0) |
2823 | new (SV *klass, SV *count = 0) |
2806 | CODE: |
2824 | CODE: |
2807 | { |
2825 | RETVAL = sv_bless ( |
2808 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2826 | coro_semaphore_new (count && SvOK (count) ? SvIV (count) : 1), |
2809 | AV *av = newAV (); |
2827 | GvSTASH (CvGV (cv)) |
2810 | SV **ary; |
2828 | ); |
|
|
2829 | OUTPUT: |
|
|
2830 | RETVAL |
2811 | |
2831 | |
2812 | /* unfortunately, building manually saves memory */ |
2832 | # helper for Coro::Channel |
2813 | Newx (ary, 2, SV *); |
2833 | SV * |
2814 | AvALLOC (av) = ary; |
2834 | _alloc (int count) |
2815 | AvARRAY (av) = ary; |
2835 | CODE: |
2816 | AvMAX (av) = 1; |
2836 | RETVAL = coro_semaphore_new (count); |
2817 | AvFILLp (av) = 0; |
|
|
2818 | ary [0] = newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1); |
|
|
2819 | |
|
|
2820 | RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv))); |
|
|
2821 | } |
|
|
2822 | OUTPUT: |
2837 | OUTPUT: |
2823 | RETVAL |
2838 | RETVAL |
2824 | |
2839 | |
2825 | SV * |
2840 | SV * |
2826 | count (SV *self) |
2841 | count (SV *self) |
… | |
… | |
2836 | CODE: |
2851 | CODE: |
2837 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
2852 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
2838 | |
2853 | |
2839 | void |
2854 | void |
2840 | down (SV *self) |
2855 | down (SV *self) |
|
|
2856 | ALIAS: |
|
|
2857 | Coro::Signal::wait = 0 |
2841 | CODE: |
2858 | CODE: |
2842 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
2859 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
2843 | |
2860 | |
2844 | void |
2861 | void |
2845 | wait (SV *self) |
2862 | wait (SV *self) |
… | |
… | |
2864 | XSRETURN_NO; |
2881 | XSRETURN_NO; |
2865 | } |
2882 | } |
2866 | |
2883 | |
2867 | void |
2884 | void |
2868 | waiters (SV *self) |
2885 | waiters (SV *self) |
2869 | CODE: |
2886 | PPCODE: |
2870 | { |
2887 | { |
2871 | AV *av = (AV *)SvRV (self); |
2888 | AV *av = (AV *)SvRV (self); |
|
|
2889 | int wcount = AvFILLp (av) + 1 - 1; |
2872 | |
2890 | |
2873 | if (GIMME_V == G_SCALAR) |
2891 | if (GIMME_V == G_SCALAR) |
2874 | XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); |
2892 | XPUSHs (sv_2mortal (newSViv (wcount))); |
2875 | else |
2893 | else |
2876 | { |
2894 | { |
2877 | int i; |
2895 | int i; |
2878 | EXTEND (SP, AvFILLp (av) + 1 - 1); |
2896 | EXTEND (SP, wcount); |
2879 | for (i = 1; i <= AvFILLp (av); ++i) |
2897 | for (i = 1; i <= wcount; ++i) |
2880 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
2898 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
2881 | } |
2899 | } |
|
|
2900 | } |
|
|
2901 | |
|
|
2902 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
2903 | |
|
|
2904 | SV * |
|
|
2905 | new (SV *klass) |
|
|
2906 | CODE: |
|
|
2907 | RETVAL = sv_bless ( |
|
|
2908 | coro_semaphore_new (0), |
|
|
2909 | GvSTASH (CvGV (cv)) |
|
|
2910 | ); |
|
|
2911 | OUTPUT: |
|
|
2912 | RETVAL |
|
|
2913 | |
|
|
2914 | void |
|
|
2915 | broadcast (SV *self, int adjust = 1) |
|
|
2916 | CODE: |
|
|
2917 | { |
|
|
2918 | AV *av = (AV *)SvRV (self); |
|
|
2919 | SvIVX (AvARRAY (av)[0]) = 0; /* not necessary, but gives me fuzzy warm feelings */ |
|
|
2920 | coro_semaphore_adjust (aTHX_ av, AvFILLp (av) + 1 - 1); |
|
|
2921 | SvIVX (AvARRAY (av)[0]) = 0; /* necessary */ |
2882 | } |
2922 | } |
2883 | |
2923 | |
2884 | |
2924 | |
2885 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2925 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2886 | |
2926 | |