#include <errno.h>
#include <sys/time.h>
#include "config-host.h"
-#include "sysemu.h"
+#include "sysemu/sysemu.h"
+#include "qemu-options.h"
/***********************************************************/
-/* Polling handling */
+/* Functions missing in mingw */
-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 setenv(const char *name, const char *value, int overwrite)
{
- 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];
- }
+ int result = 0;
+ if (overwrite || !getenv(name)) {
+ size_t length = strlen(name) + strlen(value) + 2;
+ char *string = g_malloc(length);
+ snprintf(string, length, "%s=%s", name, value);
+ result = putenv(string);
+
+ /* Windows takes a copy and does not continue to use our string.
+ * Therefore it can be safely freed on this platform. POSIX code
+ * typically has to leak the string because according to the spec it
+ * becomes part of the environment.
+ */
+ g_free(string);
}
- 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;
-
- ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
- 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;
+ return result;
}
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
{
- exit(STATUS_CONTROL_C_EXIT);
+ qemu_system_shutdown_request();
+ /* Windows 7 kills application when the function returns.
+ Sleep here to give QEMU a try for closing.
+ Sleep period is 10000ms because Windows kills the program
+ after 10 seconds anyway. */
+ Sleep(10000);
+
return TRUE;
}
-void os_setup_signal_handling(void)
+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 mask, smask;
+ DWORD_PTR mask, smask;
int i;
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
}
}
}
+
+/* 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 g_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), "%d\n", getpid());
+ ret = WriteFile(file, (LPCVOID)buffer, (DWORD)len,
+ NULL, &overlap);
+ CloseHandle(file);
+ if (ret == 0) {
+ return -1;
+ }
+ return 0;
+}
projects / qemu.git / blobdiff