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gh-81057: Move Threading-Related Globals to _PyRuntimeState #100084

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Merged
ericsnowcurrently merged 8 commits into from
Dec 9, 2022
+114 −54
Merged

gh-81057: Move Threading-Related Globals to _PyRuntimeState #100084

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8e7ea36
Add pycore_pythread.h.
ericsnowcurrently Dec 6, 2022
9616123
Add PyThread__init_thread():lib_initialized.
ericsnowcurrently Dec 8, 2022
09fc557
Move thread.c:initialized to _PyRuntimeState.
ericsnowcurrently Dec 8, 2022
649062a
Move some macros into pycore_pythread.h.
ericsnowcurrently Dec 8, 2022
0a5106c
Move condattr_monotonic to _PyRuntimeState.
ericsnowcurrently Dec 8, 2022
9d7feb7
Move init_condattr():ca to _PyRuntimeState.
ericsnowcurrently Dec 8, 2022
f606c66
Move py_tls_entries to _PyRuntimeState.
ericsnowcurrently Dec 6, 2022
3c22543
Clarify the macro.
ericsnowcurrently Dec 8, 2022
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Add PyThread__init_thread():lib_initialized.
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@ericsnowcurrently
ericsnowcurrently committed Dec 9, 2022
commit 96161232d83da1eeafd9a61a527232b64a2721c3
10 changes: 8 additions & 2 deletions Python/thread_pthread.h
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Expand Up @@ -197,10 +197,16 @@ typedef struct {
static void
PyThread__init_thread(void)
{
// The library is only initialized once in the process,
// regardless of how many times the Python runtime is initialized.
static int lib_initialized = 0;
if (!lib_initialized) {
lib_initialized = 1;
#if defined(_AIX) && defined(__GNUC__)
extern void pthread_init(void);
pthread_init();
extern void pthread_init(void);
pthread_init();
#endif
}
init_condattr();
}

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5 changes: 3 additions & 2 deletions Tools/c-analyzer/cpython/ignored.tsv
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Expand Up @@ -22,10 +22,11 @@ Python/fileutils.c set_inheritable ioctl_works -
# XXX Is this thread-safe?
Modules/posixmodule.c os_dup2_impl dup3_works -

## resource init - set during first init
## guards around resource init
Python/thread.c - initialized -
Python/thread_pthread.h PyThread__init_thread lib_initialized -
Python/thread_pthread.h - condattr_monotonic -
# safe static buffer used during one-time initialization
# static buffer used during one-time initialization
Python/thread_pthread.h init_condattr ca -

##-----------------------
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