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v0.5.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision 2b01121fd4200f1c27873422f7f72d02eec08630 authored by Miss Islington (bot) on 27 September 2018, 11:46:38 UTC, committed by GitHub on 27 September 2018, 11:46:38 UTC 
bpo-34819: Use a monotonic clock to compute timeouts in concurrent.futures (GH-9599)
 

Use a monotonic clock to compute timeouts in :meth:`Executor.map` and :func:`as_completed`, in order to prevent timeouts from deviating when the system clock is adjusted.

This may not be sufficient on all systems. On POSIX for example, the actual waiting (e.g. in ``sem_timedwait``) is specified to rely on the CLOCK_REALTIME clock.
(cherry picked from commit a94ee12c26aa8dd7dce01373779df8055aff765b)

Co-authored-by: orlnub123 <orlnub123@gmail.com>
1 parent 2bdba6b
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Tip revision: 2b01121fd4200f1c27873422f7f72d02eec08630 authored by Miss Islington (bot) on 27 September 2018, 11:46:38 UTC
bpo-34819: Use a monotonic clock to compute timeouts in concurrent.futures (GH-9599)
Tip revision: 2b01121
winreparse.h 
#ifndef Py_WINREPARSE_H
#define Py_WINREPARSE_H

#ifdef MS_WINDOWS
#include <windows.h>

#ifdef __cplusplus
extern "C" {
#endif

/* The following structure was copied from
   http://msdn.microsoft.com/en-us/library/ff552012.aspx as the required
   include km\ntifs.h isn't present in the Windows SDK (at least as included
   with Visual Studio Express). Use unique names to avoid conflicting with
   the structure as defined by Min GW. */
typedef struct {
    ULONG ReparseTag;
    USHORT ReparseDataLength;
    USHORT Reserved;
    union {
        struct {
            USHORT SubstituteNameOffset;
            USHORT SubstituteNameLength;
            USHORT PrintNameOffset;
            USHORT PrintNameLength;
            ULONG Flags;
            WCHAR PathBuffer[1];
        } SymbolicLinkReparseBuffer;

        struct {
            USHORT SubstituteNameOffset;
            USHORT  SubstituteNameLength;
            USHORT  PrintNameOffset;
            USHORT  PrintNameLength;
            WCHAR  PathBuffer[1];
        } MountPointReparseBuffer;

        struct {
            UCHAR  DataBuffer[1];
        } GenericReparseBuffer;
    };
} _Py_REPARSE_DATA_BUFFER, *_Py_PREPARSE_DATA_BUFFER;

#define _Py_REPARSE_DATA_BUFFER_HEADER_SIZE \
    FIELD_OFFSET(_Py_REPARSE_DATA_BUFFER, GenericReparseBuffer)
#define _Py_MAXIMUM_REPARSE_DATA_BUFFER_SIZE  ( 16 * 1024 )

#ifdef __cplusplus
}
#endif

#endif /* MS_WINDOWS */

#endif /* !Py_WINREPARSE_H */
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