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https://gitlab.isc.org/isc-projects/bind9
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46919579bb
Previously isc_thread_join() would return ISC_R_UNEXPECTED on a failure to create new thread. All such occurences were caught and wrapped into assert function at higher level. The function was simplified to assert directly in the isc_thread_join() function and all caller level assertions were removed.
98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <process.h>
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#include <isc/strerr.h>
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#include <isc/thread.h>
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#include <isc/util.h>
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void
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isc_thread_create(isc_threadfunc_t start, isc_threadarg_t arg,
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isc_thread_t *threadp)
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{
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isc_thread_t thread;
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unsigned int id;
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thread = (isc_thread_t)_beginthreadex(NULL, 0, start, arg, 0, &id);
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if (thread == NULL) {
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char strbuf[ISC_STRERRORSIZE];
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strerror_r(errno, strbuf, sizeof(strbuf));
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isc_error_fatal(__FILE__, __LINE__, "_beginthreadex failed: %s",
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strbuf);
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}
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*threadp = thread;
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return;
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}
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void
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isc_thread_join(isc_thread_t thread, isc_threadresult_t *rp) {
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DWORD result;
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result = WaitForSingleObject(thread, INFINITE);
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if (result != WAIT_OBJECT_0) {
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isc_error_fatal(__FILE__, __LINE__,
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"WaitForSingleObject() != WAIT_OBJECT_0");
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}
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if (rp != NULL && !GetExitCodeThread(thread, rp)) {
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isc_error_fatal(__FILE__, __LINE__,
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"GetExitCodeThread() failed: %d", GetLastError());
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}
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(void)CloseHandle(thread);
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return (ISC_R_SUCCESS);
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}
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void
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isc_thread_setconcurrency(unsigned int level) {
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/*
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* This is unnecessary on Win32 systems, but is here so that the
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* call exists
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*/
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}
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void
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isc_thread_setname(isc_thread_t thread, const char *name) {
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UNUSED(thread);
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UNUSED(name);
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}
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isc_result_t
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isc_thread_setaffinity(int cpu) {
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/* no-op on Windows for now */
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return (ISC_R_SUCCESS);
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}
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void *
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isc_thread_key_getspecific(isc_thread_key_t key) {
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return(TlsGetValue(key));
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}
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int
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isc_thread_key_setspecific(isc_thread_key_t key, void *value) {
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return (TlsSetValue(key, value) ? 0 : GetLastError());
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}
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int
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isc_thread_key_create(isc_thread_key_t *key, void (*func)(void *)) {
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*key = TlsAlloc();
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return ((*key != -1) ? 0 : GetLastError());
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}
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int
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isc_thread_key_delete(isc_thread_key_t key) {
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return (TlsFree(key) ? 0 : GetLastError());
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}
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