5a96f179ba
* Use `kernel32.dll`'s `CreateTimerQueueTimer()` function to emulate a simple `alarm()` function for Windows. * A `_WIN32` does *not* include Cygwin; it already has `alarm()`. * Lets sighandler(SIGALRM) call into console_handler() for simplicity. Since the latter is a WINAPI function and a signal-handler is not.
30 lines
712 B
C
30 lines
712 B
C
/** @file
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@brief compat_alarm adds an alarm() function for Windows.
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Except for MinGW-w64 when `_POSIX` and/or `__USE_MINGW_ALARM`
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is defined
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*/
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#ifndef INCLUDE_COMPAT_ALARM_H_
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#define INCLUDE_COMPAT_ALARM_H_
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#ifdef _WIN32
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#include <windows.h>
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#include <signal.h>
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#include <io.h> /* alarm() for MinGW is possibly here */
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#if !defined(_POSIX) && !defined(__USE_MINGW_ALARM)
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int win_alarm(unsigned seconds);
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#define alarm(sec) win_alarm(sec)
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#define HAVE_win_alarm
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#endif
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/* No SIGUSRx on Windows. Use this unless MinGW-w64
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* has support for it (untested by me).
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*/
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#if !defined(__USE_MINGW_ALARM)
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#define SIGALRM SIGBREAK
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#endif
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#endif /* _WIN32 */
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#endif /* INCLUDE_COMPAT_ALARM_H_ */
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