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Diffstat (limited to '')
-rw-r--r-- | src/lib/kStuff/kHlp/Bare/kHlpBareThread.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/lib/kStuff/kHlp/Bare/kHlpBareThread.c b/src/lib/kStuff/kHlp/Bare/kHlpBareThread.c new file mode 100644 index 0000000..b484676 --- /dev/null +++ b/src/lib/kStuff/kHlp/Bare/kHlpBareThread.c @@ -0,0 +1,93 @@ +/* $Id: kHlpBareThread.c 29 2009-07-01 20:30:29Z bird $ */ +/** @file + * kHlpBare - Thread Manipulation. + */ + +/* + * Copyright (c) 2006-2007 Knut St. Osmundsen <bird-kStuff-spamix@anduin.net> + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/******************************************************************************* +* Header Files * +*******************************************************************************/ +#include <k/kHlpThread.h> + +#if K_OS == K_OS_DARWIN +# include <mach/mach_time.h> + +#elif K_OS == K_OS_LINUX +# include <k/kHlpSys.h> + +#elif K_OS == K_OS_OS2 +# define INCL_BASE +# define INCL_ERRORS +# include <os2.h> +#elif K_OS == K_OS_WINDOWS +# include <Windows.h> +#else +# error "port me" +#endif + + +/** + * Sleep for a number of milliseconds. + * @param cMillies Number of milliseconds to sleep. + */ +void kHlpSleep(unsigned cMillies) +{ +#if K_OS == K_OS_DARWIN + static struct mach_timebase_info s_Info; + static KBOOL s_fNanoseconds = K_UNKNOWN; + KU64 uNow = mach_absolute_time(); + KU64 uDeadline; + KU64 uPeriod; + + if (s_fNanoseconds == K_UNKNOWN) + { + if (mach_timebase_info(&s_Info)) + s_fNanoseconds = K_TRUE; /* the easy way out */ + else if (s_Info.denom == s_Info.numer) + s_fNanoseconds = K_TRUE; + else + s_fNanoseconds = K_FALSE; + } + + uPeriod = (KU64)cMillies * 1000 * 1000; + if (!s_fNanoseconds) + uPeriod = (double)uPeriod * s_Info.denom / s_Info.numer; /* Use double to avoid 32-bit trouble. */ + uDeadline = uNow + uPeriod; + mach_wait_until(uDeadline); + +#elif K_OS == K_OS_LINUX + /** @todo find the right syscall... */ + +#elif K_OS == K_OS_OS2 + DosSleep(cMillies); +#elif K_OS == K_OS_WINDOWS + Sleep(cMillies); +#else + usleep(cMillies * 1000); +#endif +} + |