linux-packaging-mono/external/bdwgc/tests/initsecondarythread.c
Xamarin Public Jenkins (auto-signing) 468663ddbb Imported Upstream version 6.10.0.49
Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
2020-01-16 16:38:04 +00:00

108 lines
2.8 KiB
C

/*
* Copyright (C) 2011 Ludovic Courtes
*
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
*
* Permission is hereby granted to use or copy this program
* for any purpose, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*/
/* Make sure 'GC_INIT' can be called from threads other than the initial
* thread.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifndef GC_THREADS
# define GC_THREADS
#endif
#define GC_NO_THREAD_REDIRECTS 1
/* Do not redirect thread creation and join calls. */
#include "gc.h"
#ifdef GC_PTHREADS
# include <pthread.h>
#else
# include <windows.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#ifdef GC_PTHREADS
static void *thread(void *arg)
#else
static DWORD WINAPI thread(LPVOID arg)
#endif
{
GC_INIT();
(void)GC_MALLOC(123);
(void)GC_MALLOC(12345);
# ifdef GC_PTHREADS
return arg;
# else
return (DWORD)(GC_word)arg;
# endif
}
#include "private/gcconfig.h"
int main(void)
{
# ifdef GC_PTHREADS
int code;
pthread_t t;
# ifdef LINT2
t = pthread_self(); /* explicitly initialize to some value */
# endif
# else
HANDLE t;
DWORD thread_id;
# endif
# if !(defined(BEOS) || defined(MSWIN32) || defined(MSWINCE) \
|| defined(CYGWIN32) || defined(GC_OPENBSD_UTHREADS) \
|| (defined(DARWIN) && !defined(NO_PTHREAD_GET_STACKADDR_NP)) \
|| ((defined(FREEBSD) || defined(LINUX) || defined(NETBSD) \
|| defined(HOST_ANDROID)) && !defined(NO_PTHREAD_GETATTR_NP) \
&& !defined(NO_PTHREAD_ATTR_GET_NP)) \
|| (defined(GC_SOLARIS_THREADS) && !defined(_STRICT_STDC)) \
|| (!defined(STACKBOTTOM) && (defined(HEURISTIC1) \
|| (!defined(LINUX_STACKBOTTOM) && !defined(FREEBSD_STACKBOTTOM)))))
/* GC_INIT() must be called from main thread only. */
GC_INIT();
# endif
(void)GC_get_parallel(); /* linking fails if no threads support */
# ifdef GC_PTHREADS
if ((code = pthread_create (&t, NULL, thread, NULL)) != 0) {
fprintf(stderr, "Thread creation failed %d\n", code);
return 1;
}
if ((code = pthread_join (t, NULL)) != 0) {
fprintf(stderr, "Thread join failed %d\n", code);
return 1;
}
# else
t = CreateThread(NULL, 0, thread, 0, 0, &thread_id);
if (t == NULL) {
fprintf(stderr, "Thread creation failed %d\n", (int)GetLastError());
return 1;
}
if (WaitForSingleObject(t, INFINITE) != WAIT_OBJECT_0) {
fprintf(stderr, "Thread join failed %d\n", (int)GetLastError());
CloseHandle(t);
return 1;
}
CloseHandle(t);
# endif
return 0;
}