Register Linux dyntick timer as per-thread signal

[qemu.git] / os-win32.c

diff --git a/os-win32.c b/os-win32.c
index aefc535ed0a09c1d42e23900a5f84eb377c7c348..b6652af7f3fb596217828d7786fea6a6005d774f 100644 (file)
--- a/os-win32.c
+++ b/os-win32.c
@@ -33,6 +33,21 @@
 #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 */
 
@@ -125,7 +140,9 @@ void os_host_main_loop_wait(int *timeout)
         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]);
@@ -165,7 +182,7 @@ 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);
@@ -206,6 +223,12 @@ char *os_find_datadir(const char *argv0)
     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
@@ -214,3 +237,37 @@ 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), FMT_pid "\n", 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();
+}