diff options
Diffstat (limited to 'linuxthreads/pthread.c')
| -rw-r--r-- | linuxthreads/pthread.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c index 2700a29..d70e3f4 100644 --- a/linuxthreads/pthread.c +++ b/linuxthreads/pthread.c @@ -362,7 +362,13 @@ static void pthread_initialize(void) /* Play with the stack size limit to make sure that no stack ever grows beyond STACK_SIZE minus one page (to act as a guard page). */ getrlimit(RLIMIT_STACK, &limit); +#ifdef NEED_SEPARATE_REGISTER_STACK + /* STACK_SIZE bytes hold both the main stack and register backing + store. The rlimit value applies to each individually. */ + max_stack = STACK_SIZE/2 - __getpagesize(); +#else max_stack = STACK_SIZE - __getpagesize(); +#endif if (limit.rlim_cur > max_stack) { limit.rlim_cur = max_stack; setrlimit(RLIMIT_STACK, &limit); @@ -444,10 +450,18 @@ int __pthread_initialize_manager(void) | __pthread_initial_thread.p_eventbuf.eventmask.event_bits[idx])) != 0) { +#ifdef NEED_SEPARATE_REGISTER_STACK + pid = __clone2(__pthread_manager_event, + (void **) __pthread_manager_thread_bos, + THREAD_MANAGER_STACK_SIZE, + CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND, + (void *)(long)manager_pipe[0]); +#else pid = __clone(__pthread_manager_event, (void **) __pthread_manager_thread_tos, CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND, (void *)(long)manager_pipe[0]); +#endif if (pid != -1) { @@ -472,9 +486,18 @@ int __pthread_initialize_manager(void) } if (pid == 0) - pid = __clone(__pthread_manager, (void **) __pthread_manager_thread_tos, - CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND, - (void *)(long)manager_pipe[0]); + { +#ifdef NEED_SEPARATE_REGISTER_STACK + pid = __clone2(__pthread_manager, (void **) __pthread_manager_thread_bos, + THREAD_MANAGER_STACK_SIZE, + CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND, + (void *)(long)manager_pipe[0]); +#else + pid = __clone(__pthread_manager, (void **) __pthread_manager_thread_tos, + CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND, + (void *)(long)manager_pipe[0]); +#endif + } if (pid == -1) { free(__pthread_manager_thread_bos); __libc_close(manager_pipe[0]); |