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| author | Keith Seitz <keiths@redhat.com> | 2006-06-21 20:56:37 +0000 |
|---|---|---|
| committer | Keith Seitz <kseitz@gcc.gnu.org> | 2006-06-21 20:56:37 +0000 |
| commit | 7691d0d3c9d60eb732e71be4c7a100ef2bb2ef82 (patch) | |
| tree | 55fd808e47f53739af4e710b68299196cc64643e /boehm-gc/include | |
| parent | c3238e32eb1c51e9cb8d75f5b3266bf3c831112f (diff) | |
| download | gcc-7691d0d3c9d60eb732e71be4c7a100ef2bb2ef82.zip gcc-7691d0d3c9d60eb732e71be4c7a100ef2bb2ef82.tar.gz gcc-7691d0d3c9d60eb732e71be4c7a100ef2bb2ef82.tar.bz2 | |
pthread_stop_world.c (GC_suspend_handler): Redirect to suspension routine if signal is received and thread is flagged...
* pthread_stop_world.c (GC_suspend_handler): Redirect to suspension
routine if signal is received and thread is flagged SUSPENDED.
(suspend_self): New function.
(GC_suspend_thread): New function.
(GC_resume_thread): New function.
* include/gc.h (GC_suspend_thread): Declare.
(GC_resumet_thread): Declare.
* include/private/pthread_support.h (SUSPENDED): New GC_thread
flag.
From-SVN: r114869
Diffstat (limited to 'boehm-gc/include')
| -rw-r--r-- | boehm-gc/include/gc.h | 10 | ||||
| -rw-r--r-- | boehm-gc/include/private/pthread_support.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/boehm-gc/include/gc.h b/boehm-gc/include/gc.h index 3507db7..e6ab2c6 100644 --- a/boehm-gc/include/gc.h +++ b/boehm-gc/include/gc.h @@ -1040,4 +1040,14 @@ GC_API void GC_register_has_static_roots_callback } /* end of extern "C" */ #endif +/* External thread suspension support. These functions do not implement + * suspension counts or any other higher-level abstraction. Threads which + * have been suspended numerous times will resume with the very first call + * to GC_resume_thread. + */ +#if defined(GC_PTHREADS) && !defined(GC_SOLARIS_THREADS) \ + && !defined(GC_WIN32_THREADS) && !defined(GC_DARWIN_THREADS) +GC_API void GC_suspend_thread GC_PROTO((pthread_t)); +GC_API void GC_resume_thread GC_PROTO((pthread_t)); +#endif #endif /* _GC_H */ diff --git a/boehm-gc/include/private/pthread_support.h b/boehm-gc/include/private/pthread_support.h index 469021b..2186c07 100644 --- a/boehm-gc/include/private/pthread_support.h +++ b/boehm-gc/include/private/pthread_support.h @@ -33,6 +33,7 @@ typedef struct GC_Thread_Rep { # define FINISHED 1 /* Thread has exited. */ # define DETACHED 2 /* Thread is intended to be detached. */ # define MAIN_THREAD 4 /* True for the original thread only. */ +# define SUSPENDED 8 /* True if thread was suspended externally */ short thread_blocked; /* Protected by GC lock. */ /* Treated as a boolean value. If set, */ /* thread will acquire GC lock before */ |