* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
/* DANGER!!!! These must be defined *BEFORE* replacements.h and the malloc() macro!!!! */
#include <stdlib.h>
#include <string.h>
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-/*
+/*
* clear_malloc
*
* will alloc memory and clear it
void *clear_malloc(size_t size)
{
void *t = malloc(size);
- if (t!=NULL)
+ if (t != NULL)
{
memset(t, 0x00, size);
}
void *fill_malloc(size_t size)
{
void *t = malloc(size);
- if (t!=NULL)
+ if (t != NULL)
{
/* We want to initialize memory to some known bad state. */
/* 0 and 0xff yields 0 and -1 as integers, which often */
return t;
}
-#include "replacements.h"
+#define IN_REPLACEMENTS_C
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
-#include <stdio.h>
+#ifdef _WIN32
+#include <io.h>
+#endif
/* replacements for gettimeofday */
#ifndef HAVE_GETTIMEOFDAY
return (char *) memcpy (new, s, len);
}
#endif
+
+#ifdef _WIN32
+int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *tv)
+{
+ DWORD ms_total, limit;
+ HANDLE handles[MAXIMUM_WAIT_OBJECTS];
+ int handle_slot_to_fd[MAXIMUM_WAIT_OBJECTS];
+ int n_handles = 0, i;
+ fd_set sock_read, sock_write, sock_except;
+ fd_set aread, awrite, aexcept;
+ int sock_max_fd = -1;
+ struct timeval tvslice;
+ int retcode;
+
+#define SAFE_FD_ISSET(fd, set) (set != NULL && FD_ISSET(fd, set))
+
+ /* calculate how long we need to wait in milliseconds */
+ if (tv == NULL) {
+ ms_total = INFINITE;
+ } else {
+ ms_total = tv->tv_sec * 1000;
+ ms_total += tv->tv_usec / 1000;
+ }
+
+ FD_ZERO(&sock_read);
+ FD_ZERO(&sock_write);
+ FD_ZERO(&sock_except);
+
+ /* build an array of handles for non-sockets */
+ for (i = 0; i < max_fd; i++) {
+ if (SAFE_FD_ISSET(i, rfds) || SAFE_FD_ISSET(i, wfds) || SAFE_FD_ISSET(i, efds)) {
+ long handle = _get_osfhandle(i);
+ handles[n_handles] = (HANDLE)handle;
+ if (handles[n_handles] == INVALID_HANDLE_VALUE) {
+ /* socket */
+ if (SAFE_FD_ISSET(i, rfds)) {
+ FD_SET(i, &sock_read);
+ }
+ if (SAFE_FD_ISSET(i, wfds)) {
+ FD_SET(i, &sock_write);
+ }
+ if (SAFE_FD_ISSET(i, efds)) {
+ FD_SET(i, &sock_except);
+ }
+ if (i > sock_max_fd) {
+ sock_max_fd = i;
+ }
+ } else {
+ handle_slot_to_fd[n_handles] = i;
+ n_handles++;
+ }
+ }
+ }
+
+ if (n_handles == 0) {
+ /* plain sockets only - let winsock handle the whole thing */
+ return select(max_fd, rfds, wfds, efds, tv);
+ }
+
+ /* mixture of handles and sockets; lets multiplex between
+ * winsock and waiting on the handles */
+
+ FD_ZERO(&aread);
+ FD_ZERO(&awrite);
+ FD_ZERO(&aexcept);
+
+ limit = GetTickCount() + ms_total;
+ do {
+ retcode = 0;
+
+ if (sock_max_fd >= 0) {
+ /* overwrite the zero'd sets here; the select call
+ * will clear those that are not active */
+ aread = sock_read;
+ awrite = sock_write;
+ aexcept = sock_except;
+
+ tvslice.tv_sec = 0;
+ tvslice.tv_usec = 100000;
+
+ retcode = select(sock_max_fd + 1, &aread, &awrite, &aexcept, &tvslice);
+ }
+ if (n_handles > 0) {
+ /* check handles */
+ DWORD wret;
+
+ wret = MsgWaitForMultipleObjects(n_handles, handles, FALSE, retcode > 0 ? 0 : 100, QS_ALLEVENTS);
+
+ if (wret == WAIT_TIMEOUT) {
+ /* set retcode to 0; this is the default.
+ * select() may have set it to something else,
+ * in which case we leave it alone, so this branch
+ * does nothing */
+ ;
+ } else if (wret == WAIT_FAILED) {
+ if (retcode == 0) {
+ retcode = -1;
+ }
+ } else {
+ if (retcode < 0) {
+ retcode = 0;
+ }
+ for (i = 0; i < n_handles; i++) {
+ if (WAIT_OBJECT_0 == WaitForSingleObject(handles[i], 0)) {
+ if (SAFE_FD_ISSET(handle_slot_to_fd[i], rfds)) {
+ DWORD dwBytes;
+ long handle = _get_osfhandle(handle_slot_to_fd[i]);
+
+ if (PeekNamedPipe((HANDLE)handle, NULL, 0, NULL, &dwBytes, NULL))
+ {
+ /* check to see if gdb pipe has data available */
+ if (dwBytes)
+ {
+ FD_SET(handle_slot_to_fd[i], &aread);
+ retcode++;
+ }
+ }
+ else
+ {
+ FD_SET(handle_slot_to_fd[i], &aread);
+ retcode++;
+ }
+ }
+ if (SAFE_FD_ISSET(handle_slot_to_fd[i], wfds)) {
+ FD_SET(handle_slot_to_fd[i], &awrite);
+ retcode++;
+ }
+ if (SAFE_FD_ISSET(handle_slot_to_fd[i], efds)) {
+ FD_SET(handle_slot_to_fd[i], &aexcept);
+ retcode++;
+ }
+ }
+ }
+ }
+ }
+ } while (retcode == 0 && (ms_total == INFINITE || GetTickCount() < limit));
+
+ if (rfds) {
+ *rfds = aread;
+ }
+ if (wfds) {
+ *wfds = awrite;
+ }
+ if (efds) {
+ *efds = aexcept;
+ }
+
+ return retcode;
+}
+#endif
Code Review / openocd.git / blobdiff