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[svn] Improved Windows power management logic. Submitted by David Fritz.

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This commit is contained in:
hniksic 2004-02-26 06:34:17 -08:00
parent a0642cc62e
commit a865004aba
2 changed files with 29 additions and 34 deletions
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10
src/ChangeLog
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@ -1,3 +1,13 @@
2004-02-25 David Fritz <zeroxdf@att.net>
* mswindows.c (set_sleep_mode): Remove argument and return value.
Call GetModuleHandle() instead of LoadLibrary()/FreeLibrary() for
kernel32.dll. Use typedef for function-pointer. Don't cast
l-value. Don't use dereference operator when calling through
function-pointer.
(ws_startup): Update call to set_sleep_mode().
(ws_cleanup): Remove call to set_sleep_mode().
2004-02-23 David Fritz <zeroxdf@att.net> 2004-02-23 David Fritz <zeroxdf@att.net>
* http.c (http_loop): Ditto. * http.c (http_loop): Ditto.

53
src/mswindows.c
View File

@ -70,9 +70,6 @@ extern int errno;
/* Defined in log.c. */ /* Defined in log.c. */
void log_request_redirect_output PARAMS ((const char *)); void log_request_redirect_output PARAMS ((const char *));
static DWORD set_sleep_mode (DWORD mode);
static DWORD pwr_mode = 0;
static int windows_nt_p; static int windows_nt_p;
/* Windows version of xsleep in utils.c. */ /* Windows version of xsleep in utils.c. */
@ -109,9 +106,6 @@ static void
ws_cleanup (void) ws_cleanup (void)
{ {
WSACleanup (); WSACleanup ();
if (pwr_mode)
set_sleep_mode (pwr_mode);
pwr_mode = 0;
} }
static void static void
@ -233,6 +227,24 @@ ws_mypath (void)
return wspathsave; return wspathsave;
} }
/* Prevent Windows entering sleep/hibernation-mode while Wget is doing
a lengthy transfer. Windows does not, by default, consider network
activity in console-programs as activity! Works on Win-98/ME/2K
and up. */
static void
set_sleep_mode (void)
{
typedef DWORD (WINAPI *func_t) (DWORD);
func_t set_exec_state;
set_exec_state =
(func_t) GetProcAddress (GetModuleHandle ("KERNEL32.DLL"),
"SetThreadExecutionState");
if (set_exec_state)
set_exec_state (ES_SYSTEM_REQUIRED | ES_CONTINUOUS);
}
/* Perform Windows specific initialization. */ /* Perform Windows specific initialization. */
void void
ws_startup (void) ws_startup (void)
@ -264,7 +276,7 @@ ws_startup (void)
} }
atexit (ws_cleanup); atexit (ws_cleanup);
pwr_mode = set_sleep_mode (0); set_sleep_mode ();
SetConsoleCtrlHandler (ws_handler, TRUE); SetConsoleCtrlHandler (ws_handler, TRUE);
} }
@ -295,33 +307,6 @@ borland_utime (const char *path, const struct utimbuf *times)
return res; return res;
} }
#endif #endif
/* Prevent Windows entering sleep/hibernation-mode while Wget is doing
a lengthy transfer. Windows does not, by default, consider network
activity in console-programs as activity! Works on Win-98/ME/2K
and up. */
static DWORD
set_sleep_mode (DWORD mode)
{
HMODULE mod = LoadLibrary ("kernel32.dll");
DWORD (WINAPI *_SetThreadExecutionState) (DWORD) = NULL;
DWORD rc = (DWORD)-1;
if (mod)
(void *)_SetThreadExecutionState
= GetProcAddress ((HINSTANCE)mod, "SetThreadExecutionState");
if (_SetThreadExecutionState)
{
if (mode == 0) /* first time */
mode = (ES_SYSTEM_REQUIRED | ES_CONTINUOUS);
rc = (*_SetThreadExecutionState) (mode);
}
if (mod)
FreeLibrary (mod);
DEBUGP (("set_sleep_mode(): mode 0x%08lX, rc 0x%08lX\n", mode, rc));
return rc;
}
/* run_with_timeout Windows implementation. */ /* run_with_timeout Windows implementation. */