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Ports: Add a bdwgc (aka libgc) port

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For all your ports' garbage collection needs :^)
This commit is contained in:
Ali Mohammad Pur 2022-02-24 03:05:53 +03:30 • committed by Linus Groh
parent 5d51e26caf
commit ce9f355b12
9 changed files with 568 additions and 0 deletions
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66
Ports/bdwgc/patches/0004-Teach-bdwgc-about-serenity-signals.patch Normal file
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@ -0,0 +1,66 @@
From d37f9022e78b9df4959f9be265f91e611e84e03a Mon Sep 17 00:00:00 2001
From: Ali Mohammad Pur <ali.mpfard@gmail.com>
Date: Thu, 24 Feb 2022 03:30:02 +0330
Subject: [PATCH 4/6] Teach bdwgc about serenity signals
Serenity doesn't have the realtime POSIX signals, so use SIGXCPU and
SIGXFSZ instead.
---
include/gc_config_macros.h | 4 +++-
include/private/gc_priv.h | 2 +-
pthread_stop_world.c | 4 +++-
3 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/include/gc_config_macros.h b/include/gc_config_macros.h
index 14c65ee..c19b050 100644
--- a/include/gc_config_macros.h
+++ b/include/gc_config_macros.h
@@ -72,7 +72,7 @@
#if defined(GC_AIX_THREADS) || defined(GC_DARWIN_THREADS) \
|| defined(GC_DGUX386_THREADS) || defined(GC_FREEBSD_THREADS) \
- || defined(GC_HPUX_THREADS) \
+ || defined(GC_HPUX_THREADS) || defined(GC_SERENITY_THREADS) \
|| defined(GC_IRIX_THREADS) || defined(GC_LINUX_THREADS) \
|| defined(GC_NETBSD_THREADS) || defined(GC_OPENBSD_THREADS) \
|| defined(GC_OSF1_THREADS) || defined(GC_SOLARIS_THREADS) \
@@ -83,6 +83,8 @@
#elif defined(GC_THREADS)
# if defined(__linux__)
# define GC_LINUX_THREADS
+# elif defined(__serenity__)
+# define GC_SERENITY_THREADS
# elif defined(__OpenBSD__)
# define GC_OPENBSD_THREADS
# elif defined(_PA_RISC1_1) || defined(_PA_RISC2_0) || defined(hppa) \
diff --git a/include/private/gc_priv.h b/include/private/gc_priv.h
index 629418f..1278091 100644
--- a/include/private/gc_priv.h
+++ b/include/private/gc_priv.h
@@ -2641,7 +2641,7 @@ GC_INNER void *GC_store_debug_info_inner(void *p, word sz, const char *str,
/* Linuxthreads itself uses SIGUSR1 and SIGUSR2. */
# define SIG_SUSPEND SIGPWR
# endif
-# elif defined(GC_OPENBSD_THREADS)
+# elif defined(GC_OPENBSD_THREADS) || defined(GC_SERENITY_THREADS)
# ifndef GC_OPENBSD_UTHREADS
# define SIG_SUSPEND SIGXFSZ
# endif
diff --git a/pthread_stop_world.c b/pthread_stop_world.c
index 4b2c429..25eb2a5 100644
--- a/pthread_stop_world.c
+++ b/pthread_stop_world.c
@@ -146,7 +146,9 @@ STATIC volatile AO_t GC_world_is_stopped = FALSE;
* pointer(s) and acknowledge.
*/
#ifndef SIG_THR_RESTART
-# if defined(GC_HPUX_THREADS) || defined(GC_OSF1_THREADS) \
+# if defined(SERENITY)
+# define SIG_THR_RESTART SIGUSR1
+# elif defined(GC_HPUX_THREADS) || defined(GC_OSF1_THREADS) \
|| defined(GC_NETBSD_THREADS) || defined(GC_USESIGRT_SIGNALS)
# if defined(_SIGRTMIN) && !defined(CPPCHECK)
# define SIG_THR_RESTART _SIGRTMIN + 5
--
2.35.1