From 62537a18e3743a040e8b673686665f27f7504ca8 Mon Sep 17 00:00:00 2001 From: David Lechner Date: Fri, 24 Jan 2020 11:50:31 -0600 Subject: py: Release GIL during syscalls in reader and writer code. This releases the GIL during POSIX system calls that could block. --- py/persistentcode.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'py/persistentcode.c') diff --git a/py/persistentcode.c b/py/persistentcode.c index 7a8a94b5a..7039f9f57 100644 --- a/py/persistentcode.c +++ b/py/persistentcode.c @@ -34,6 +34,7 @@ #include "py/persistentcode.h" #include "py/bc0.h" #include "py/objstr.h" +#include "py/mpthread.h" #if MICROPY_PERSISTENT_CODE_LOAD || MICROPY_PERSISTENT_CODE_SAVE @@ -821,15 +822,21 @@ void mp_raw_code_save(mp_raw_code_t *rc, mp_print_t *print) { STATIC void fd_print_strn(void *env, const char *str, size_t len) { int fd = (intptr_t)env; + MP_THREAD_GIL_EXIT(); ssize_t ret = write(fd, str, len); + MP_THREAD_GIL_ENTER(); (void)ret; } void mp_raw_code_save_file(mp_raw_code_t *rc, const char *filename) { + MP_THREAD_GIL_EXIT(); int fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644); + MP_THREAD_GIL_ENTER(); mp_print_t fd_print = {(void*)(intptr_t)fd, fd_print_strn}; mp_raw_code_save(rc, &fd_print); + MP_THREAD_GIL_EXIT(); close(fd); + MP_THREAD_GIL_ENTER(); } #else -- cgit v1.2.3