diff options
Diffstat (limited to 'build_files/cmake/project_source_info.py')
-rw-r--r-- | build_files/cmake/project_source_info.py | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/build_files/cmake/project_source_info.py b/build_files/cmake/project_source_info.py index 670befbf2aa..83e4e05dc0f 100644 --- a/build_files/cmake/project_source_info.py +++ b/build_files/cmake/project_source_info.py @@ -148,6 +148,48 @@ def build_info(use_c=True, use_cxx=True, ignore_prefix_list=None): return source +# could be moved elsewhere!, this just happens to be used by scripts that also +# use this module. +def queue_processes(process_funcs, job_total=-1): + """ Takes a list of function arg pairs, each function must return a process + """ + import sys + + if job_total == -1: + import multiprocessing + job_total = multiprocessing.cpu_count() + del multiprocessing + + if job_total == 1: + import os + import sys + for func, args in process_funcs: + sys.stdout.flush() + sys.stderr.flush() + + process = func(*args) + process.wait() + else: + import time + import subprocess + + processes = [] + for func, args in process_funcs: + # wait until a thread is free + while 1: + processes[:] = [p for p in processes if p.poll() is None] + + if len(processes) <= job_total: + break + else: + time.sleep(0.1) + + sys.stdout.flush() + sys.stderr.flush() + + processes.append(func(*args)) + + def main(): if not os.path.exists(join(CMAKE_DIR, "CMakeCache.txt")): print("This script must run from the cmake build dir") |