Fix detection of number of CPU cores on Cosmo

Issue #666 (bdwgc). Prevously, GC_get_nprocs() always reported 1 core. * include/private/gcconfig.h [COSMO] (PARALLEL_MARK): Undefine; add FIXME item. * pthread_support.c [!HPUX && COSMO] (GC_get_nprocs): Use sysconf(_SC_NPROCESSORS_ONLN).
ivmai · Oct 17, 2024 · 2fdc6d2 · 2fdc6d2
1 parent 4254d96
commit 2fdc6d2
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h
@@ -831,6 +831,8 @@ extern int _end[];
 #    define MPROTECT_VDB
 /* FIXME: otherwise gctest crashes in child */
 #  endif
+#  /* FIXME: a deadlock occurs in markers, thus disabled for now */
+#  undef PARALLEL_MARK
 #endif /* COSMO */
 
 #ifdef DARWIN

diff --git a/pthread_support.c b/pthread_support.c
@@ -1093,8 +1093,9 @@ GC_greatest_stack_base_below(ptr_t bound)
 #  ifdef HPUX
 #    define GC_get_nprocs() pthread_num_processors_np()
 
-#  elif defined(AIX) || defined(HAIKU) || defined(HOST_ANDROID) \
-      || defined(HURD) || defined(NACL) || defined(OSF1) || defined(SOLARIS)
+#  elif defined(AIX) || defined(COSMO) || defined(HAIKU)         \
+      || defined(HOST_ANDROID) || defined(HURD) || defined(NACL) \
+      || defined(OSF1) || defined(SOLARIS)
 GC_INLINE int
 GC_get_nprocs(void)
 {