cleaned up some code

This commit is contained in:
2018-11-02 14:15:28 +00:00
parent 19d39ca20a
commit 7f0428d288
10 changed files with 914 additions and 1324 deletions

View File

@ -44,6 +44,8 @@
# if defined(HCL_HAVE_CFG_H) && defined(HCL_ENABLE_LIBLTDL)
# include <ltdl.h>
# define USE_LTDL
# else
# define USE_WIN_DLL
# endif
#elif defined(__OS2__)
# define INCL_DOSMODULEMGR
@ -60,27 +62,12 @@
# if defined(HCL_ENABLE_LIBLTDL)
# include <ltdl.h>
# define USE_LTDL
# define sys_dl_error() lt_dlerror()
# define sys_dl_open(x) lt_dlopen(x)
# define sys_dl_openext(x) lt_dlopenext(x)
# define sys_dl_close(x) lt_dlclose(x)
# define sys_dl_getsym(x,n) lt_dlsym(x,n)
# elif defined(HAVE_DLFCN_H)
# include <dlfcn.h>
# define USE_DLFCN
# define sys_dl_error() dlerror()
# define sys_dl_open(x) dlopen(x,RTLD_NOW)
# define sys_dl_openext(x) dlopen(x,RTLD_NOW)
# define sys_dl_close(x) dlclose(x)
# define sys_dl_getsym(x,n) dlsym(x,n)
# elif defined(__APPLE__) || defined(__MACOSX__)
# define USE_MACH_O_DYLD
# include <mach-o/dyld.h>
# define sys_dl_error() mach_dlerror()
# define sys_dl_open(x) mach_dlopen(x)
# define sys_dl_openext(x) mach_dlopen(x)
# define sys_dl_close(x) mach_dlclose(x)
# define sys_dl_getsym(x,n) mach_dlsym(x,n)
# else
# error UNSUPPORTED DYNAMIC LINKER
# endif
@ -480,66 +467,6 @@ static int print_handler (hcl_t* hcl, hcl_iocmd_t cmd, void* arg)
/* ========================================================================= */
static void* alloc_heap (hcl_t* hcl, hcl_oow_t size)
{
#if defined(HAVE_MMAP) && defined(HAVE_MUNMAP) && defined(MAP_ANONYMOUS)
/* It's called via hcl_makeheap() when HCL creates a GC heap.
* The heap is large in size. I can use a different memory allocation
* function instead of an ordinary malloc.
* upon failure, it doesn't require to set error information as hcl_makeheap()
* set the error number to HCL_EOOMEM. */
#if !defined(MAP_HUGETLB) && (defined(__amd64__) || defined(__x86_64__))
# define MAP_HUGETLB 0x40000
#endif
hcl_oow_t* ptr;
int flags;
hcl_oow_t actual_size;
flags = MAP_PRIVATE | MAP_ANONYMOUS;
#if defined(MAP_HUGETLB)
flags |= MAP_HUGETLB;
#endif
#if defined(MAP_UNINITIALIZED)
flags |= MAP_UNINITIALIZED;
#endif
actual_size = HCL_SIZEOF(hcl_oow_t) + size;
actual_size = HCL_ALIGN_POW2(actual_size, 2 * 1024 * 1024);
ptr = (hcl_oow_t*)mmap(NULL, actual_size, PROT_READ | PROT_WRITE, flags, -1, 0);
if (ptr == MAP_FAILED)
{
#if defined(MAP_HUGETLB)
flags &= ~MAP_HUGETLB;
ptr = (hcl_oow_t*)mmap(NULL, actual_size, PROT_READ | PROT_WRITE, flags, -1, 0);
if (ptr == MAP_FAILED) return HCL_NULL;
#else
return HCL_NULL;
#endif
}
*ptr = actual_size;
return (void*)(ptr + 1);
#else
return HCL_MMGR_ALLOC(hcl->mmgr, size);
#endif
}
static void free_heap (hcl_t* hcl, void* ptr)
{
#if defined(HAVE_MMAP) && defined(HAVE_MUNMAP)
hcl_oow_t* actual_ptr;
actual_ptr = (hcl_oow_t*)ptr - 1;
munmap (actual_ptr, *actual_ptr);
#else
return HCL_MMGR_FREE(hcl->mmgr, ptr);
#endif
}
static int write_all (int fd, const hcl_bch_t* ptr, hcl_oow_t len)
{
while (len > 0)
@ -772,634 +699,34 @@ static void log_write (hcl_t* hcl, hcl_bitmask_t mask, const hcl_ooch_t* msg, hc
flush_log (hcl, logfd);
}
static void syserrstrb (hcl_t* hcl, int syserr, hcl_bch_t* buf, hcl_oow_t len)
{
#if defined(HAVE_STRERROR_R)
strerror_r (syserr, buf, len);
#else
/* this may not be thread safe */
hcl_copy_bcstr (buf, len, strerror(syserr));
#endif
}
/* ========================================================================= */
#if defined(USE_MACH_O_DYLD)
static const char* mach_dlerror_str = "";
static void* mach_dlopen (const char* path)
{
NSObjectFileImage image;
NSObjectFileImageReturnCode rc;
void* handle;
mach_dlerror_str = "";
if ((rc = NSCreateObjectFileImageFromFile(path, &image)) != NSObjectFileImageSuccess)
{
switch (rc)
{
case NSObjectFileImageFailure:
case NSObjectFileImageFormat:
mach_dlerror_str = "unable to crate object file image";
break;
case NSObjectFileImageInappropriateFile:
mach_dlerror_str = "inappropriate file";
break;
case NSObjectFileImageArch:
mach_dlerror_str = "incompatible architecture";
break;
case NSObjectFileImageAccess:
mach_dlerror_str = "inaccessible file";
break;
default:
mach_dlerror_str = "unknown error";
break;
}
return HCL_NULL;
}
handle = (void*)NSLinkModule(image, path, NSLINKMODULE_OPTION_PRIVATE | NSLINKMODULE_OPTION_RETURN_ON_ERROR);
NSDestroyObjectFileImage (image);
return handle;
}
static HCL_INLINE void mach_dlclose (void* handle)
{
mach_dlerror_str = "";
NSUnLinkModule (handle, NSUNLINKMODULE_OPTION_NONE);
}
static HCL_INLINE void* mach_dlsym (void* handle, const char* name)
{
mach_dlerror_str = "";
return (void*)NSAddressOfSymbol(NSLookupSymbolInModule(handle, name));
}
static const char* mach_dlerror (void)
{
int err_no;
const char* err_file;
NSLinkEditErrors err;
if (mach_dlerror_str[0] == '\0')
NSLinkEditError (&err, &err_no, &err_file, &mach_dlerror_str);
return mach_dlerror_str;
}
#endif
static void* dl_open (hcl_t* hcl, const hcl_ooch_t* name, int flags)
{
#if defined(USE_LTDL) || defined(USE_DLFCN) || defined(USE_MACH_O_DYLD)
hcl_bch_t stabuf[128], * bufptr;
hcl_oow_t ucslen, bcslen, bufcapa;
void* handle;
#if defined(HCL_OOCH_IS_UCH)
if (hcl_convootobcstr(hcl, name, &ucslen, HCL_NULL, &bufcapa) <= -1) return HCL_NULL;
/* +1 for terminating null. but it's not needed because HCL_COUNTOF(HCL_DEFAULT_PFMODPREFIX)
* and HCL_COUNTOF(HCL_DEFAULT_PFMODPOSTIFX) include the terminating nulls. Never mind about
* the extra 2 characters. */
#else
bufcapa = hcl_count_bcstr(name);
#endif
bufcapa += HCL_COUNTOF(HCL_DEFAULT_PFMODDIR) + HCL_COUNTOF(HCL_DEFAULT_PFMODPREFIX) + HCL_COUNTOF(HCL_DEFAULT_PFMODPOSTFIX) + 1;
if (bufcapa <= HCL_COUNTOF(stabuf)) bufptr = stabuf;
else
{
bufptr = (hcl_bch_t*)hcl_allocmem(hcl, bufcapa * HCL_SIZEOF(*bufptr));
if (!bufptr) return HCL_NULL;
}
if (flags & HCL_VMPRIM_DLOPEN_PFMOD)
{
hcl_oow_t len, i, xlen, dlen;
/* opening a primitive function module - mostly libhcl-xxxx.
* if PFMODPREFIX is absolute, never use PFMODDIR */
dlen = IS_PATH_ABSOLUTE(HCL_DEFAULT_PFMODPREFIX)?
0: hcl_copy_bcstr(bufptr, bufcapa, HCL_DEFAULT_PFMODDIR);
len = hcl_copy_bcstr(bufptr, bufcapa, HCL_DEFAULT_PFMODPREFIX);
len += dlen;
bcslen = bufcapa - len;
#if defined(HCL_OOCH_IS_UCH)
hcl_convootobcstr(hcl, name, &ucslen, &bufptr[len], &bcslen);
#else
bcslen = hcl_copy_bcstr(&bufptr[len], bcslen, name);
#endif
/* length including the directory, the prefix and the name. but excluding the postfix */
xlen = len + bcslen;
for (i = len; i < xlen; i++)
{
/* convert a period(.) to a dash(-) */
if (bufptr[i] == '.') bufptr[i] = '-';
}
retry:
hcl_copy_bcstr (&bufptr[xlen], bufcapa - xlen, HCL_DEFAULT_PFMODPOSTFIX);
/* both prefix and postfix attached. for instance, libhcl-xxx */
handle = sys_dl_openext(bufptr);
if (!handle)
{
HCL_DEBUG3 (hcl, "Unable to open(ext) PFMOD %hs[%js] - %hs\n", &bufptr[dlen], name, sys_dl_error());
if (dlen > 0)
{
handle = sys_dl_openext(&bufptr[0]);
if (handle) goto pfmod_open_ok;
HCL_DEBUG3 (hcl, "Unable to open(ext) PFMOD %hs[%js] - %hs\n", &bufptr[0], name, sys_dl_error());
}
/* try without prefix and postfix */
bufptr[xlen] = '\0';
handle = sys_dl_openext(&bufptr[len]);
if (!handle)
{
hcl_bch_t* dash;
const hcl_bch_t* dl_errstr;
dl_errstr = sys_dl_error();
HCL_DEBUG3 (hcl, "Unable to open(ext) PFMOD %hs[%js] - %hs\n", &bufptr[len], name, dl_errstr);
hcl_seterrbfmt (hcl, HCL_ESYSERR, "unable to open(ext) PFMOD %js - %hs", name, dl_errstr);
dash = hcl_rfind_bchar(bufptr, hcl_count_bcstr(bufptr), '-');
if (dash)
{
/* remove a segment at the back.
* [NOTE] a dash contained in the original name before
* period-to-dash transformation may cause extraneous/wrong
* loading reattempts. */
xlen = dash - bufptr;
goto retry;
}
}
else
{
HCL_DEBUG3 (hcl, "Opened(ext) PFMOD %hs[%js] handle %p\n", &bufptr[len], name, handle);
}
}
else
{
pfmod_open_ok:
HCL_DEBUG3 (hcl, "Opened(ext) PFMOD %hs[%js] handle %p\n", &bufptr[dlen], name, handle);
}
}
else
{
/* opening a raw shared object without a prefix and/or a postfix */
#if defined(HCL_OOCH_IS_UCH)
bcslen = bufcapa;
hcl_convootobcstr(hcl, name, &ucslen, bufptr, &bcslen);
#else
bcslen = hcl_copy_bcstr(bufptr, bufcapa, name);
#endif
if (hcl_find_bchar(bufptr, bcslen, '.'))
{
handle = sys_dl_open(bufptr);
if (!handle)
{
const hcl_bch_t* dl_errstr;
dl_errstr = sys_dl_error();
HCL_DEBUG2 (hcl, "Unable to open DL %hs - %hs\n", bufptr, dl_errstr);
hcl_seterrbfmt (hcl, HCL_ESYSERR, "unable to open DL %js - %hs", name, dl_errstr);
}
else HCL_DEBUG2 (hcl, "Opened DL %hs handle %p\n", bufptr, handle);
}
else
{
handle = sys_dl_openext(bufptr);
if (!handle)
{
const hcl_bch_t* dl_errstr;
dl_errstr = sys_dl_error();
HCL_DEBUG2 (hcl, "Unable to open(ext) DL %hs - %s\n", bufptr, dl_errstr);
hcl_seterrbfmt (hcl, HCL_ESYSERR, "unable to open(ext) DL %js - %hs", name, dl_errstr);
}
else HCL_DEBUG2 (hcl, "Opened(ext) DL %hs handle %p\n", bufptr, handle);
}
}
if (bufptr != stabuf) hcl_freemem (hcl, bufptr);
return handle;
#else
/* TODO: support various platforms */
/* TODO: implemenent this */
HCL_DEBUG1 (hcl, "Dynamic loading not implemented - cannot open %js\n", name);
hcl_seterrbfmt (hcl, HCL_ENOIMPL, "dynamic loading not implemented - cannot open %js", name);
return HCL_NULL;
#endif
}
static void dl_close (hcl_t* hcl, void* handle)
{
#if defined(USE_LTDL) || defined(USE_DLFCN) || defined(USE_MACH_O_DYLD)
HCL_DEBUG1 (hcl, "Closed DL handle %p\n", handle);
sys_dl_close (handle);
#else
/* TODO: implemenent this */
HCL_DEBUG1 (hcl, "Dynamic loading not implemented - cannot close handle %p\n", handle);
#endif
}
static void* dl_getsym (hcl_t* hcl, void* handle, const hcl_ooch_t* name)
{
#if defined(USE_LTDL) || defined(USE_DLFCN) || defined(USE_MACH_O_DYLD)
hcl_bch_t stabuf[64], * bufptr;
hcl_oow_t bufcapa, ucslen, bcslen, i;
const hcl_bch_t* symname;
void* sym;
#if defined(HCL_OOCH_IS_UCH)
if (hcl_convootobcstr(hcl, name, &ucslen, HCL_NULL, &bcslen) <= -1) return HCL_NULL;
#else
bcslen = hcl_count_bcstr (name);
#endif
if (bcslen >= HCL_COUNTOF(stabuf) - 2)
{
bufcapa = bcslen + 3;
bufptr = (hcl_bch_t*)hcl_allocmem(hcl, bufcapa * HCL_SIZEOF(*bufptr));
if (!bufptr) return HCL_NULL;
}
else
{
bufcapa = HCL_COUNTOF(stabuf);
bufptr = stabuf;
}
bcslen = bufcapa - 1;
#if defined(HCL_OOCH_IS_UCH)
hcl_convootobcstr (hcl, name, &ucslen, &bufptr[1], &bcslen);
#else
bcslen = hcl_copy_bcstr(&bufptr[1], bcslen, name);
#endif
/* convert a period(.) to an underscore(_) */
for (i = 1; i <= bcslen; i++) if (bufptr[i] == '.') bufptr[i] = '_';
symname = &bufptr[1]; /* try the name as it is */
sym = sys_dl_getsym(handle, symname);
if (!sym)
{
bufptr[0] = '_';
symname = &bufptr[0]; /* try _name */
sym = sys_dl_getsym(handle, symname);
if (!sym)
{
bufptr[bcslen + 1] = '_';
bufptr[bcslen + 2] = '\0';
symname = &bufptr[1]; /* try name_ */
sym = sys_dl_getsym(handle, symname);
if (!sym)
{
symname = &bufptr[0]; /* try _name_ */
sym = sys_dl_getsym(handle, symname);
if (!sym)
{
const hcl_bch_t* dl_errstr;
dl_errstr = sys_dl_error();
HCL_DEBUG3 (hcl, "Failed to get module symbol %js from handle %p - %hs\n", name, handle, dl_errstr);
hcl_seterrbfmt (hcl, HCL_ENOENT, "unable to get module symbol %hs - %hs", symname, dl_errstr);
}
}
}
}
if (sym) HCL_DEBUG3 (hcl, "Loaded module symbol %js from handle %p - %hs\n", name, handle, symname);
if (bufptr != stabuf) hcl_freemem (hcl, bufptr);
return sym;
#else
/* TODO: IMPLEMENT THIS */
HCL_DEBUG2 (hcl, "Dynamic loading not implemented - Cannot load module symbol %js from handle %p\n", name, handle);
hcl_seterrbfmt (hcl, HCL_ENOIMPL, "dynamic loading not implemented - Cannot load module symbol %js from handle %p", name, handle);
return HCL_NULL;
#endif
}
/* ========================================================================= */
static void vm_gettime (hcl_t* hcl, hcl_ntime_t* now)
{
#if defined(_WIN32)
/* TODO: */
#elif defined(__OS2__)
ULONG out;
/* TODO: handle overflow?? */
/* TODO: use DosTmrQueryTime() and DosTmrQueryFreq()? */
DosQuerySysInfo (QSV_MS_COUNT, QSV_MS_COUNT, &out, HCL_SIZEOF(out)); /* milliseconds */
/* it must return NO_ERROR */
HCL_INITNTIME (now, HCL_MSEC_TO_SEC(out), HCL_MSEC_TO_NSEC(out));
#elif defined(__DOS__) && (defined(_INTELC32_) || defined(__WATCOMC__))
clock_t c;
/* TODO: handle overflow?? */
c = clock ();
now->sec = c / CLOCKS_PER_SEC;
#if (CLOCKS_PER_SEC == 100)
now->nsec = HCL_MSEC_TO_NSEC((c % CLOCKS_PER_SEC) * 10);
#elif (CLOCKS_PER_SEC == 1000)
now->nsec = HCL_MSEC_TO_NSEC(c % CLOCKS_PER_SEC);
#elif (CLOCKS_PER_SEC == 1000000L)
now->nsec = HCL_USEC_TO_NSEC(c % CLOCKS_PER_SEC);
#elif (CLOCKS_PER_SEC == 1000000000L)
now->nsec = (c % CLOCKS_PER_SEC);
#else
# error UNSUPPORTED CLOCKS_PER_SEC
#endif
#elif defined(macintosh)
UnsignedWide tick;
hcl_uint64_t tick64;
Microseconds (&tick);
tick64 = *(hcl_uint64_t*)&tick;
HCL_INITNTIME (now, HCL_USEC_TO_SEC(tick64), HCL_USEC_TO_NSEC(tick64));
#elif defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
struct timespec ts;
clock_gettime (CLOCK_MONOTONIC, &ts);
HCL_INITNTIME(now, ts.tv_sec, ts.tv_nsec);
#elif defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_REALTIME)
struct timespec ts;
clock_gettime (CLOCK_REALTIME, &ts);
HCL_INITNTIME(now, ts.tv_sec, ts.tv_nsec);
#else
struct timeval tv;
gettimeofday (&tv, HCL_NULL);
HCL_INITNTIME(now, tv.tv_sec, HCL_USEC_TO_NSEC(tv.tv_usec));
#endif
}
static void vm_sleep (hcl_t* hcl, const hcl_ntime_t* dur)
{
#if defined(_WIN32)
xtn_t* xtn = (xtn_t*)hcl_getxtn(hcl);
if (xtn->waitable_timer)
{
LARGE_INTEGER li;
li.QuadPart = -HCL_SECNSEC_TO_NSEC(dur->sec, dur->nsec);
if(SetWaitableTimer(xtn->waitable_timer, &li, 0, HCL_NULL, HCL_NULL, FALSE) == FALSE) goto normal_sleep;
WaitForSingleObject(xtn->waitable_timer, INFINITE);
}
else
{
normal_sleep:
/* fallback to normal Sleep() */
Sleep (HCL_SECNSEC_TO_MSEC(dur->sec,dur->nsec));
}
#elif defined(__OS2__)
/* TODO: in gui mode, this is not a desirable method???
* this must be made event-driven coupled with the main event loop */
DosSleep (HCL_SECNSEC_TO_MSEC(dur->sec,dur->nsec));
#elif defined(macintosh)
/* TODO: ... */
#elif defined(__DOS__) && (defined(_INTELC32_) || defined(__WATCOMC__))
clock_t c;
c = clock ();
c += dur->sec * CLOCKS_PER_SEC;
#if (CLOCKS_PER_SEC == 100)
c += HCL_NSEC_TO_MSEC(dur->nsec) / 10;
#elif (CLOCKS_PER_SEC == 1000)
c += HCL_NSEC_TO_MSEC(dur->nsec);
#elif (CLOCKS_PER_SEC == 1000000L)
c += HCL_NSEC_TO_USEC(dur->nsec);
#elif (CLOCKS_PER_SEC == 1000000000L)
c += dur->nsec;
#else
# error UNSUPPORTED CLOCKS_PER_SEC
#endif
/* TODO: handle clock overvlow */
/* TODO: check if there is abortion request or interrupt */
while (c > clock())
{
_halt_cpu();
}
#else
#if defined(USE_THREAD)
/* the sleep callback is called only if there is no IO semaphore
* waiting. so i can safely call vm_muxwait() without a muxwait callback
* when USE_THREAD is true */
vm_muxwait (hcl, dur, HCL_NULL);
#elif defined(HAVE_NANOSLEEP)
struct timespec ts;
ts.tv_sec = dur->sec;
ts.tv_nsec = dur->nsec;
nanosleep (&ts, HCL_NULL);
#elif defined(HAVE_USLEEP)
usleep (HCL_SECNSEC_TO_USEC(dur->sec, dur->nsec));
#else
# error UNSUPPORT SLEEP
#endif
#endif
}
#include "cb-impl.h"
/* ========================================================================= */
static int vm_startup (hcl_t* hcl)
{
xtn_t* xtn = (xtn_t*)hcl_getxtn(hcl);
#if defined(_WIN32)
xtn_t* xtn = (xtn_t*)hcl_getxtn(hcl);
xtn->waitable_timer = CreateWaitableTimer(HCL_NULL, TRUE, HCL_NULL);
xtn->vm_running = 1;
return 0;
#else
xtn_t* xtn = (xtn_t*)hcl_getxtn(hcl);
int pcount = 0, flag;
#if defined(USE_DEVPOLL)
xtn->ep = open ("/dev/poll", O_RDWR);
if (xtn->ep == -1)
{
hcl_syserr_to_errnum (errno);
HCL_DEBUG1 (hcl, "Cannot create devpoll - %hs\n", strerror(errno));
goto oops;
}
flag = fcntl (xtn->ep, F_GETFD);
if (flag >= 0) fcntl (xtn->ep, F_SETFD, flag | FD_CLOEXEC);
#elif defined(USE_EPOLL)
#if defined(EPOLL_CLOEXEC)
xtn->ep = epoll_create1 (EPOLL_CLOEXEC);
#else
xtn->ep = epoll_create (1024);
#endif
if (xtn->ep == -1)
{
hcl_syserr_to_errnum (errno);
HCL_DEBUG1 (hcl, "Cannot create epoll - %hs\n", strerror(errno));
goto oops;
}
#if defined(EPOLL_CLOEXEC)
/* do nothing */
#else
flag = fcntl (xtn->ep, F_GETFD);
if (flag >= 0) fcntl (xtn->ep, F_SETFD, flag | FD_CLOEXEC);
#endif
#elif defined(USE_POLL)
MUTEX_INIT (&xtn->ev.reg.pmtx);
#elif defined(USE_SELECT)
FD_ZERO (&xtn->ev.reg.rfds);
FD_ZERO (&xtn->ev.reg.wfds);
xtn->ev.reg.maxfd = -1;
MUTEX_INIT (&xtn->ev.reg.smtx);
#endif /* USE_DEVPOLL */
#if defined(USE_THREAD)
if (pipe(xtn->p) == -1)
{
hcl_syserr_to_errnum (errno);
HCL_DEBUG1 (hcl, "Cannot create pipes - %hs\n", strerror(errno));
goto oops;
}
pcount = 2;
#if defined(O_CLOEXEC)
flag = fcntl (xtn->p[0], F_GETFD);
if (flag >= 0) fcntl (xtn->p[0], F_SETFD, flag | FD_CLOEXEC);
flag = fcntl (xtn->p[1], F_GETFD);
if (flag >= 0) fcntl (xtn->p[1], F_SETFD, flag | FD_CLOEXEC);
#endif
#if defined(O_NONBLOCK)
flag = fcntl (xtn->p[0], F_GETFL);
if (flag >= 0) fcntl (xtn->p[0], F_SETFL, flag | O_NONBLOCK);
flag = fcntl (xtn->p[1], F_GETFL);
if (flag >= 0) fcntl (xtn->p[1], F_SETFL, flag | O_NONBLOCK);
#endif
if (_add_poll_fd(hcl, xtn->p[0], XPOLLIN) <= -1) goto oops;
pthread_mutex_init (&xtn->ev.mtx, HCL_NULL);
pthread_cond_init (&xtn->ev.cnd, HCL_NULL);
pthread_cond_init (&xtn->ev.cnd2, HCL_NULL);
xtn->iothr_abort = 0;
xtn->iothr_up = 0;
/*pthread_create (&xtn->iothr, HCL_NULL, iothr_main, hcl);*/
#endif /* USE_THREAD */
#endif
xtn->vm_running = 1;
return 0;
oops:
#if defined(USE_THREAD)
if (pcount > 0)
{
close (xtn->p[0]);
close (xtn->p[1]);
}
#endif
#if defined(USE_DEVPOLL) || defined(USE_EPOLL)
if (xtn->ep >= 0)
{
close (xtn->ep);
xtn->ep = -1;
}
#endif
return -1;
#endif
}
static void vm_cleanup (hcl_t* hcl)
{
#if defined(_WIN32)
xtn_t* xtn = (xtn_t*)hcl_getxtn(hcl);
xtn->vm_running = 0;
#if defined(_WIN32)
if (xtn->waitable_timer)
{
CloseHandle (xtn->waitable_timer);
xtn->waitable_timer = HCL_NULL;
}
#else
xtn_t* xtn = (xtn_t*)hcl_getxtn(hcl);
xtn->vm_running = 0;
#if defined(USE_THREAD)
if (xtn->iothr_up)
{
xtn->iothr_abort = 1;
write (xtn->p[1], "Q", 1);
pthread_cond_signal (&xtn->ev.cnd);
pthread_join (xtn->iothr, HCL_NULL);
xtn->iothr_up = 0;
}
pthread_cond_destroy (&xtn->ev.cnd);
pthread_cond_destroy (&xtn->ev.cnd2);
pthread_mutex_destroy (&xtn->ev.mtx);
_del_poll_fd (hcl, xtn->p[0]);
close (xtn->p[1]);
close (xtn->p[0]);
#endif /* USE_THREAD */
#if defined(USE_DEVPOLL)
if (xtn->ep >= 0)
{
close (xtn->ep);
xtn->ep = -1;
}
/*destroy_poll_data_space (hcl);*/
#elif defined(USE_EPOLL)
if (xtn->ep >= 0)
{
close (xtn->ep);
xtn->ep = -1;
}
#elif defined(USE_POLL)
if (xtn->ev.reg.ptr)
{
hcl_freemem (hcl, xtn->ev.reg.ptr);
xtn->ev.reg.ptr = HCL_NULL;
xtn->ev.reg.len = 0;
xtn->ev.reg.capa = 0;
}
if (xtn->ev.buf)
{
hcl_freemem (hcl, xtn->ev.buf);
xtn->ev.buf = HCL_NULL;
}
/*destroy_poll_data_space (hcl);*/
MUTEX_DESTROY (&xtn->ev.reg.pmtx);
#elif defined(USE_SELECT)
FD_ZERO (&xtn->ev.reg.rfds);
FD_ZERO (&xtn->ev.reg.wfds);
xtn->ev.reg.maxfd = -1;
MUTEX_DESTROY (&xtn->ev.reg.smtx);
#endif
#endif
}