diff options
Diffstat (limited to 'Python/ceval.c')
| -rw-r--r-- | Python/ceval.c | 35 |
1 files changed, 8 insertions, 27 deletions
diff --git a/Python/ceval.c b/Python/ceval.c index 32c52c7..252b1dc 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -30,6 +30,7 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. #include "sysmodule.h" #include "compile.h" #include "frameobject.h" +#include "eval.h" #include "ceval.h" #include "opcode.h" #include "bltinmodule.h" @@ -83,48 +84,28 @@ static object *build_class PROTO((object *, object *)); static frameobject *current_frame; - -/* Interface for threads. - - A module that plans to do a blocking system call (or something else - that lasts a long time and doesn't touch Python data) can allow other - threads to run as follows: - - void *x; - - ...preparations here... - x = save_thread(); - ...blocking system call here... - restore_thread(x); - ...interpretr result here... - - For convenience, that the value of 'errno' is restored across the - the call to restore_thread(). - - The function init_save_thread() should be called only from - initthread() in "threadmodule.c". - - Note that not yet all candidates have been converted to use this - mechanism! -*/ - #ifdef USE_THREAD + #include <errno.h> #include "thread.h" + static type_lock interpreter_lock; void init_save_thread() { -#ifdef USE_THREAD if (interpreter_lock) fatal("2nd call to init_save_thread"); interpreter_lock = allocate_lock(); acquire_lock(interpreter_lock, 1); -#endif } + #endif +/* Functions save_thread and restore_thread are always defined so + dynamically loaded modules needn't be compiled separately for use + with and without threads: */ + void * save_thread() { |