os-posix.c + os-win32.c and dependencies
+ Generate qemu-options.def instead of qemu-options.h
Change-Id: I043e6b0c1c58e5cc2e96d05465f39b42f9054b5a
diff --git a/os-win32.c b/os-win32.c
new file mode 100644
index 0000000..d6d54c6
--- /dev/null
+++ b/os-win32.c
@@ -0,0 +1,273 @@
+/*
+ * os-win32.c
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2010 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include <windows.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <time.h>
+#include <errno.h>
+#include <sys/time.h>
+#include "config-host.h"
+#include "sysemu.h"
+#include "qemu-options.h"
+
+/***********************************************************/
+/* Functions missing in mingw */
+
+int setenv(const char *name, const char *value, int overwrite)
+{
+ int result = 0;
+ if (overwrite || !getenv(name)) {
+ size_t length = strlen(name) + strlen(value) + 2;
+ char *string = qemu_malloc(length);
+ snprintf(string, length, "%s=%s", name, value);
+ result = putenv(string);
+ }
+ return result;
+}
+
+/***********************************************************/
+/* Polling handling */
+
+typedef struct PollingEntry {
+ PollingFunc *func;
+ void *opaque;
+ struct PollingEntry *next;
+} PollingEntry;
+
+static PollingEntry *first_polling_entry;
+
+int qemu_add_polling_cb(PollingFunc *func, void *opaque)
+{
+ PollingEntry **ppe, *pe;
+ pe = qemu_mallocz(sizeof(PollingEntry));
+ pe->func = func;
+ pe->opaque = opaque;
+ for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
+ *ppe = pe;
+ return 0;
+}
+
+void qemu_del_polling_cb(PollingFunc *func, void *opaque)
+{
+ PollingEntry **ppe, *pe;
+ for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
+ pe = *ppe;
+ if (pe->func == func && pe->opaque == opaque) {
+ *ppe = pe->next;
+ qemu_free(pe);
+ break;
+ }
+ }
+}
+
+/***********************************************************/
+/* Wait objects support */
+typedef struct WaitObjects {
+ int num;
+ HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
+ WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
+ void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
+} WaitObjects;
+
+static WaitObjects wait_objects = {0};
+
+int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
+{
+ WaitObjects *w = &wait_objects;
+
+ if (w->num >= MAXIMUM_WAIT_OBJECTS)
+ return -1;
+ w->events[w->num] = handle;
+ w->func[w->num] = func;
+ w->opaque[w->num] = opaque;
+ w->num++;
+ return 0;
+}
+
+void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
+{
+ int i, found;
+ WaitObjects *w = &wait_objects;
+
+ found = 0;
+ for (i = 0; i < w->num; i++) {
+ if (w->events[i] == handle)
+ found = 1;
+ if (found) {
+ w->events[i] = w->events[i + 1];
+ w->func[i] = w->func[i + 1];
+ w->opaque[i] = w->opaque[i + 1];
+ }
+ }
+ if (found)
+ w->num--;
+}
+
+void os_host_main_loop_wait(int *timeout)
+{
+ int ret, ret2, i;
+ PollingEntry *pe;
+
+ /* XXX: need to suppress polling by better using win32 events */
+ ret = 0;
+ for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
+ ret |= pe->func(pe->opaque);
+ }
+ if (ret == 0) {
+ int err;
+ WaitObjects *w = &wait_objects;
+
+ qemu_mutex_unlock_iothread();
+ ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
+ qemu_mutex_lock_iothread();
+ if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
+ if (w->func[ret - WAIT_OBJECT_0])
+ w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
+
+ /* Check for additional signaled events */
+ for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
+
+ /* Check if event is signaled */
+ ret2 = WaitForSingleObject(w->events[i], 0);
+ if(ret2 == WAIT_OBJECT_0) {
+ if (w->func[i])
+ w->func[i](w->opaque[i]);
+ } else if (ret2 == WAIT_TIMEOUT) {
+ } else {
+ err = GetLastError();
+ fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
+ }
+ }
+ } else if (ret == WAIT_TIMEOUT) {
+ } else {
+ err = GetLastError();
+ fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
+ }
+ }
+
+ *timeout = 0;
+}
+
+static BOOL WINAPI qemu_ctrl_handler(DWORD type)
+{
+ exit(STATUS_CONTROL_C_EXIT);
+ return TRUE;
+}
+
+void os_setup_early_signal_handling(void)
+{
+ /* Note: cpu_interrupt() is currently not SMP safe, so we force
+ QEMU to run on a single CPU */
+ HANDLE h;
+ DWORD_PTR mask, smask;
+ int i;
+
+ SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
+
+ h = GetCurrentProcess();
+ if (GetProcessAffinityMask(h, &mask, &smask)) {
+ for(i = 0; i < 32; i++) {
+ if (mask & (1 << i))
+ break;
+ }
+ if (i != 32) {
+ mask = 1 << i;
+ SetProcessAffinityMask(h, mask);
+ }
+ }
+}
+
+/* Look for support files in the same directory as the executable. */
+char *os_find_datadir(const char *argv0)
+{
+ char *p;
+ char buf[MAX_PATH];
+ DWORD len;
+
+ len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
+ if (len == 0) {
+ return NULL;
+ }
+
+ buf[len] = 0;
+ p = buf + len - 1;
+ while (p != buf && *p != '\\')
+ p--;
+ *p = 0;
+ if (access(buf, R_OK) == 0) {
+ return qemu_strdup(buf);
+ }
+ return NULL;
+}
+
+void os_set_line_buffering(void)
+{
+ setbuf(stdout, NULL);
+ setbuf(stderr, NULL);
+}
+
+/*
+ * Parse OS specific command line options.
+ * return 0 if option handled, -1 otherwise
+ */
+void os_parse_cmd_args(int index, const char *optarg)
+{
+ return;
+}
+
+void os_pidfile_error(void)
+{
+ fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
+}
+
+int qemu_create_pidfile(const char *filename)
+{
+ char buffer[128];
+ int len;
+ HANDLE file;
+ OVERLAPPED overlap;
+ BOOL ret;
+ memset(&overlap, 0, sizeof(overlap));
+
+ file = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL,
+ OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+
+ if (file == INVALID_HANDLE_VALUE) {
+ return -1;
+ }
+ len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
+ ret = WriteFileEx(file, (LPCVOID)buffer, (DWORD)len,
+ &overlap, NULL);
+ if (ret == 0) {
+ return -1;
+ }
+ return 0;
+}
+
+int qemu_get_thread_id(void)
+{
+ return GetCurrentThreadId();
+}