@@ -14794,6 +14794,15 @@ $as_echo "$as_me: WARNING: \"Only HP-UX 11 POSIX threads are supported.\"" >&2;}
$as_echo "#define USE_COMPILER_TLS 1" >>confdefs.h
;;
+ *-*-gnu*)
+
+$as_echo "#define GC_GNU_THREADS 1" >>confdefs.h
+
+ $as_echo "#define _REENTRANT 1" >>confdefs.h
+
+ $as_echo "#define THREAD_LOCAL_ALLOC 1" >>confdefs.h
+
+ ;;
*-*-freebsd*)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \"FreeBSD does not yet fully support threads with Boehm GC.\"" >&5
$as_echo "$as_me: WARNING: \"FreeBSD does not yet fully support threads with Boehm GC.\"" >&2;}
@@ -175,6 +175,11 @@ case "$THREADS" in
AC_DEFINE(THREAD_LOCAL_ALLOC)
AC_DEFINE(USE_COMPILER_TLS, 1,[use tls for boehm])
;;
+ *-*-gnu*)
+ AC_DEFINE(GC_GNU_THREADS,1,[support GNU threads])
+ AC_DEFINE(_REENTRANT)
+ AC_DEFINE(THREAD_LOCAL_ALLOC)
+ ;;
*-*-freebsd*)
AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
AC_DEFINE(GC_FREEBSD_THREADS,1,[support FreeBSD threads])
@@ -26,7 +26,8 @@
* None of this is safe with dlclose and incremental collection.
* But then not much of anything is safe in the presence of dlclose.
*/
-#if (defined(__linux__) || defined(__GLIBC__)) && !defined(_GNU_SOURCE)
+#if (defined(__linux__) || defined(__GLIBC__) || defined(__GNU__)) \
+ && !defined(_GNU_SOURCE)
/* Can't test LINUX, since this must be define before other includes */
# define _GNU_SOURCE
#endif
@@ -33,6 +33,9 @@
/* include support for gcj */
#undef GC_GCJ_SUPPORT
+/* support GNU threads */
+#undef GC_GNU_THREADS
+
/* enables support for HP/UX 11 pthreads */
#undef GC_HPUX_THREADS
@@ -6,7 +6,8 @@
|| defined(GC_SOLARIS_PTHREADS) \
|| defined(GC_HPUX_THREADS) \
|| defined(GC_AIX_THREADS) \
- || defined(GC_LINUX_THREADS))
+ || defined(GC_LINUX_THREADS) \
+ || defined(GC_GNU_THREADS))
# define _REENTRANT
/* Better late than never. This fails if system headers that */
/* depend on this were previously included. */
@@ -18,6 +19,7 @@
# if defined(GC_SOLARIS_PTHREADS) || defined(GC_FREEBSD_THREADS) || \
defined(GC_IRIX_THREADS) || defined(GC_LINUX_THREADS) || \
+ defined(GC_GNU_THREADS) || \
defined(GC_HPUX_THREADS) || defined(GC_OSF1_THREADS) || \
defined(GC_DGUX386_THREADS) || defined(GC_DARWIN_THREADS) || \
defined(GC_AIX_THREADS) || \
@@ -1316,8 +1316,9 @@
# define OS_TYPE "HURD"
# define STACK_GROWS_DOWN
# define HEURISTIC2
- extern int __data_start[];
-# define DATASTART ( (ptr_t) (__data_start))
+# define SIG_SUSPEND SIGUSR1
+# define SIG_THR_RESTART SIGUSR2
+# define SEARCH_FOR_DATA_START
extern int _end[];
# define DATAEND ( (ptr_t) (_end))
/* # define MPROTECT_VDB Not quite working yet? */
@@ -2169,7 +2170,8 @@
# if defined(SVR4) || defined(LINUX) || defined(IRIX5) || defined(HPUX) \
|| defined(OPENBSD) || defined(NETBSD) || defined(FREEBSD) \
|| defined(DGUX) || defined(BSD) || defined(SUNOS4) \
- || defined(_AIX) || defined(DARWIN) || defined(OSF1)
+ || defined(_AIX) || defined(DARWIN) || defined(OSF1) \
+ || defined(HURD)
# define UNIX_LIKE /* Basic Unix-like system calls work. */
# endif
@@ -2225,7 +2227,7 @@
# define CACHE_LINE_SIZE 32 /* Wild guess */
# endif
-# if defined(LINUX) || defined(__GLIBC__)
+# if defined(LINUX) || defined(HURD) || defined(__GLIBC__)
# define REGISTER_LIBRARIES_EARLY
/* We sometimes use dl_iterate_phdr, which may acquire an internal */
/* lock. This isn't safe after the world has stopped. So we must */
@@ -2260,6 +2262,9 @@
# if defined(GC_AIX_THREADS) && !defined(_AIX)
--> inconsistent configuration
# endif
+# if defined(GC_GNU_THREADS) && !defined(HURD)
+ --> inconsistent configuration
+# endif
# if defined(GC_WIN32_THREADS) && !defined(MSWIN32) && !defined(CYGWIN32)
--> inconsistent configuration
# endif
@@ -312,7 +312,7 @@ char *GC_parse_map_entry(char *buf_ptr, word *start, word *end,
/* for recent Linux versions. This seems to be the easiest way to */
/* cover all versions. */
-# ifdef LINUX
+# if defined(LINUX) || defined(HURD)
/* Some Linux distributions arrange to define __data_start. Some */
/* define data_start as a weak symbol. The latter is technically */
/* broken, since the user program may define data_start, in which */
@@ -331,7 +331,7 @@ char *GC_parse_map_entry(char *buf_ptr, word *start, word *end,
{
extern ptr_t GC_find_limit();
-# ifdef LINUX
+# if defined(LINUX) || defined(HURD)
/* Try the easy approaches first: */
if ((ptr_t)__data_start != 0) {
GC_data_start = (ptr_t)(__data_start);
@@ -884,7 +884,7 @@ void GC_thr_init()
GC_nprocs = pthread_num_processors_np();
# endif
# if defined(GC_OSF1_THREADS) || defined(GC_AIX_THREADS) \
- || defined(GC_SOLARIS_PTHREADS)
+ || defined(GC_SOLARIS_PTHREADS) || defined(GC_GNU_THREADS)
GC_nprocs = sysconf(_SC_NPROCESSORS_ONLN);
if (GC_nprocs <= 0) GC_nprocs = 1;
# endif
@@ -13,7 +13,7 @@
#include "private/gc_priv.h" /* For GC_compare_and_exchange, GC_memory_barrier */
-#if defined(GC_LINUX_THREADS)
+#if defined(GC_LINUX_THREADS) || defined(GC_GNU_THREADS)
#include "private/specific.h"
@@ -12,7 +12,8 @@ int main()
# endif
# if defined(GC_LINUX_THREADS) || defined(GC_IRIX_THREADS) \
|| defined(GC_SOLARIS_PTHREADS) \
- || defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS)
+ || defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS) \
+ || defined(GC_GNU_THREADS)
printf("-lpthread\n");
# endif
# if defined(GC_FREEBSD_THREADS)