The API is forbidden [1] and HANDLE_FLAG_INHERIT would never be set as exec() is not allowed either [2].
[1] https://docs.microsoft.com/en-us/windows/win32/api/handleapi/nf-handleapi-gethandleinformation [2] https://docs.microsoft.com/en-us/cpp/cppcx/crt-functions-not-supported-in-universal-windows-platform-apps --- lib/fcntl.c | 13 +++++++++++++ lib/windows-spawn.c | 13 +++++++++++++ 2 files changed, 26 insertions(+) diff --git a/lib/fcntl.c b/lib/fcntl.c index e220800845..39f5402b30 100644 --- a/lib/fcntl.c +++ b/lib/fcntl.c @@ -45,6 +45,19 @@ # include <io.h> # endif +# if defined WINAPI_FAMILY && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) +/* GetHandleInformation is not available in UWP, the flags it would provide + are also not available, so we just return 0. + <https://docs.microsoft.com/en-us/windows/win32/api/handleapi/nf-handleapi-gethandleinformation> + <https://learn.microsoft.com/en-us/uwp/win32-and-com/win32-apis> */ +static inline BOOL GetHandleInformation(HANDLE h, DWORD *pf) +{ + *pf = 0; + return TRUE; +} +# define HANDLE_FLAG_INHERIT (1) +# endif /* WINAPI_PARTITION_DESKTOP */ + /* Upper bound on getdtablesize(). See lib/getdtablesize.c. */ # define OPEN_MAX_MAX 0x10000 diff --git a/lib/windows-spawn.c b/lib/windows-spawn.c index f864db1317..1eb0052e8d 100644 --- a/lib/windows-spawn.c +++ b/lib/windows-spawn.c @@ -39,6 +39,19 @@ #include "findprog.h" +#if defined WINAPI_FAMILY && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) +/* GetHandleInformation is not available in UWP, the flags it would provide + are also not available, so we just return 0. + <https://docs.microsoft.com/en-us/windows/win32/api/handleapi/nf-handleapi-gethandleinformation> + <https://learn.microsoft.com/en-us/uwp/win32-and-com/win32-apis> */ +static inline BOOL GetHandleInformation(HANDLE h, DWORD *pf) +{ + *pf = 0; + return TRUE; +} +# define HANDLE_FLAG_INHERIT (1) +#endif /* WINAPI_PARTITION_DESKTOP */ + /* Don't assume that UNICODE is not defined. */ #undef STARTUPINFO #define STARTUPINFO STARTUPINFOA -- 2.39.2
