81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
/*
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* Wrappers around mutex/cond/thread functions
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*
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* Copyright Red Hat, Inc. 2009
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*
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* Author:
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* Marcelo Tosatti <mtosatti@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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#include <string.h>
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#include "qemu/thread.h"
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static void error_exit(int err, const char *msg)
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{
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fprintf(stderr, "qemu: %s: %s\n", msg, strerror(err));
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abort();
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}
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int qemu_thread_create(struct uc_struct *uc, QemuThread *thread, const char *name,
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void *(*start_routine)(void*),
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void *arg, int mode)
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{
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#ifndef __MINGW32__
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sigset_t set, oldset;
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#endif
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int err;
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pthread_attr_t attr;
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err = pthread_attr_init(&attr);
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if (err) {
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error_exit(err, __func__);
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return -1;
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}
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if (mode == QEMU_THREAD_DETACHED) {
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err = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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if (err) {
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error_exit(err, __func__);
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return -1;
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}
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}
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#ifndef __MINGW32__
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sigfillset(&set);
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#endif
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pthread_sigmask(SIG_SETMASK, &set, &oldset);
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err = pthread_create(&thread->thread, &attr, start_routine, arg);
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if (err) {
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error_exit(err, __func__);
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return -1;
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}
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pthread_sigmask(SIG_SETMASK, &oldset, NULL);
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pthread_attr_destroy(&attr);
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return 0;
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}
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void qemu_thread_exit(struct uc_struct *uc, void *retval)
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{
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pthread_exit(retval);
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}
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void *qemu_thread_join(QemuThread *thread)
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{
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int err;
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void *ret;
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err = pthread_join(thread->thread, &ret);
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if (err) {
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error_exit(err, __func__);
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}
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return ret;
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}
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