extern "C" int
munmap(void *addr, size_t length)
{
DMTCP_PLUGIN_DISABLE_CKPT();
int retval = _real_munmap(addr, length);
DMTCP_PLUGIN_ENABLE_CKPT();
return retval;
}
extern "C" int munmap(void *addr, size_t length)
{
MALLOC_FAMILY_WRAPPER_HEADER_TYPED(int, munmap, addr, length);
if (SYNC_IS_REPLAY) {
WRAPPER_REPLAY_START(munmap);
_real_pthread_mutex_lock(&allocation_lock);
retval = _real_munmap (addr, length);
JASSERT (retval == (int)(unsigned long)GET_COMMON(my_entry, retval));
_real_pthread_mutex_unlock(&allocation_lock);
WRAPPER_REPLAY_END(munmap);
} else if (SYNC_IS_RECORD) {
_real_pthread_mutex_lock(&mmap_lock);
retval = _real_munmap (addr, length);
WRAPPER_LOG_WRITE_ENTRY(my_entry);
_real_pthread_mutex_unlock(&mmap_lock);
}
return retval;
}
static void unmapRestoreArgv()
{
long page_size = sysconf(_SC_PAGESIZE);
long page_mask = ~(page_size - 1);
if (_mtcpRestoreArgvStartAddr != NULL) {
JTRACE("Unmapping previously mmap()'d pages (that were mmap()'d for restoring argv");
size_t len;
len = (dmtcp::ProcessInfo::instance().argvSize() + page_size) & page_mask;
JASSERT(_real_munmap(_mtcpRestoreArgvStartAddr, len) == 0)
(_mtcpRestoreArgvStartAddr) (len)
.Text ("Failed to munmap extra pages that were mapped during restart");
}
}
