diff options
Diffstat (limited to 'src/lib/kStuff/kProfiler2/prfcoreterm.cpp.h')
| -rw-r--r-- | src/lib/kStuff/kProfiler2/prfcoreterm.cpp.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/lib/kStuff/kProfiler2/prfcoreterm.cpp.h b/src/lib/kStuff/kProfiler2/prfcoreterm.cpp.h new file mode 100644 index 0000000..561fcdf --- /dev/null +++ b/src/lib/kStuff/kProfiler2/prfcoreterm.cpp.h @@ -0,0 +1,142 @@ +/* $Id: prfcoreterm.cpp.h 29 2009-07-01 20:30:29Z bird $ */ +/** @file + * kProfiler Mark 2 - Core Termination Code Template. + */ + +/* + * 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. + */ + + +/** + * Unwinds and terminates all the threads, and frees the stack space. + * + * @returns The new data set size. (pHdr->cb) + * @param pHdr The profiler data set header. + */ +KPRF_DECL_FUNC(KU32, TerminateAll)(KPRF_TYPE(P,HDR) pHdr) +{ + KU64 TS = KPRF_NOW(); + if (!pHdr) + return 0; + + /* + * Iterate the threads and terminate all which are non-terminated. + */ + KPRF_TYPE(P,THREAD) paThread = KPRF_OFF2PTR(P,THREAD, pHdr->offThreads, pHdr); + for (KU32 i = 0; i < pHdr->cThreads; i++) + { + KPRF_TYPE(P,THREAD) pCur = &paThread[i]; + switch (pCur->enmState) + { + /* these states needs no work. */ + case KPRF_TYPE(,THREADSTATE_TERMINATED): + case KPRF_TYPE(,THREADSTATE_UNUSED): + default: + break; + + /* these are active and requires unwinding.*/ + case KPRF_TYPE(,THREADSTATE_ACTIVE): + case KPRF_TYPE(,THREADSTATE_SUSPENDED): + case KPRF_TYPE(,THREADSTATE_OVERFLOWED): + KPRF_NAME(TerminateThread)(pHdr, pCur, TS); + break; + } + } + + + /* + * Free the stacks. + */ + if (pHdr->offStacks) + { + /* only if the stack is at the end of the data set. */ + const KU32 cbStacks = KPRF_ALIGN(pHdr->cMaxStacks * pHdr->cbStack, 32); + if (pHdr->offStacks + cbStacks == pHdr->cb) + pHdr->cb -= cbStacks; + pHdr->offStacks = 0; + } + + return pHdr->cb; +} + + +/** + * Sets the commandline. + * + * This is typically done after TerminateAll, when the stacks has + * been freed up and there is plenty free space. + * + * @returns The new data set size. (pHdr->cb) + * @param pHdr The profiler data set header. + * @param cArgs The number of arguments in the array. + * @param papszArgs Pointer to an array of arguments. + */ +KPRF_DECL_FUNC(KU32, SetCommandLine)(KPRF_TYPE(P,HDR) pHdr, unsigned cArgs, const char * const *papszArgs) +{ + if (!pHdr) + return 0; + + /* + * Any space at all? + */ + if (pHdr->cb + 16 > pHdr->cbAllocated) /* 16 bytes min */ + return pHdr->cb; + + /* + * Encode untill we run out of space. + */ + pHdr->offCommandLine = pHdr->cb; + char *psz = (char *)pHdr + pHdr->cb; + char *pszMax = (char *)pHdr + pHdr->cbAllocated - 1; + for (unsigned i = 0; i < cArgs && psz + 7 < pszMax; i++) + { + if (i > 0) + *psz++ = ' '; + *psz++ = '\''; + const char *pszArg = papszArgs[i]; + while (psz < pszMax) + { + char ch = *pszArg++; + if (!ch) + break; + if (ch == '\'') + { + if (psz + 1 >= pszMax) + break; + *psz++ = '\\'; + } + *psz++ = ch; + } + if (psz < pszMax) + *psz++ = '\''; + } + *psz++ = '\0'; + pHdr->cb = psz - (char *)pHdr; + pHdr->cchCommandLine = pHdr->cb - pHdr->offCommandLine - 1; + + return pHdr->cb; +} + + |