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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
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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Move some macros into pycore_pythread.h.
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@ericsnowcurrently
ericsnowcurrently committed Dec 9, 2022
commit 649062ae50a6282900d19a90a4c08cccbba1ea02
28 changes: 28 additions & 0 deletions Include/internal/pycore_pythread.h
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,34 @@ extern "C" {
#endif


#ifndef _POSIX_THREADS
/* This means pthreads are not implemented in libc headers, hence the macro
not present in unistd.h. But they still can be implemented as an external
library (e.g. gnu pth in pthread emulation) */
# ifdef HAVE_PTHREAD_H
# include <pthread.h> /* _POSIX_THREADS */
# endif
#endif

#ifndef _POSIX_THREADS

/* Check if we're running on HP-UX and _SC_THREADS is defined. If so, then
enough of the Posix threads package is implemented to support python
threads.

This is valid for HP-UX 11.23 running on an ia64 system. If needed, add
a check of __ia64 to verify that we're running on an ia64 system instead
of a pa-risc system.
*/
#ifdef __hpux
#ifdef _SC_THREADS
#define _POSIX_THREADS
#endif
#endif

#endif /* _POSIX_THREADS */


struct _pythread_runtime_state {
int initialized;
};
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27 changes: 1 addition & 26 deletions Python/thread.c
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Expand Up @@ -8,39 +8,14 @@
#include "Python.h"
#include "pycore_pystate.h" // _PyInterpreterState_GET()
#include "pycore_structseq.h" // _PyStructSequence_FiniType()

#ifndef _POSIX_THREADS
/* This means pthreads are not implemented in libc headers, hence the macro
not present in unistd.h. But they still can be implemented as an external
library (e.g. gnu pth in pthread emulation) */
# ifdef HAVE_PTHREAD_H
# include <pthread.h> /* _POSIX_THREADS */
# endif
#endif
#include "pycore_pythread.h"

#ifndef DONT_HAVE_STDIO_H
#include <stdio.h>
#endif

#include <stdlib.h>

#ifndef _POSIX_THREADS

/* Check if we're running on HP-UX and _SC_THREADS is defined. If so, then
enough of the Posix threads package is implemented to support python
threads.

This is valid for HP-UX 11.23 running on an ia64 system. If needed, add
a check of __ia64 to verify that we're running on an ia64 system instead
of a pa-risc system.
*/
#ifdef __hpux
#ifdef _SC_THREADS
#define _POSIX_THREADS
#endif
#endif

#endif /* _POSIX_THREADS */

static void PyThread__init_thread(void); /* Forward */

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