summary refs log tree commit diff stats
path: root/tests/qtest/libqtest.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/qtest/libqtest.c')
-rw-r--r--tests/qtest/libqtest.c151
1 files changed, 133 insertions, 18 deletions
diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
index b23eb3edc3..2fbc3b88f3 100644
--- a/tests/qtest/libqtest.c
+++ b/tests/qtest/libqtest.c
@@ -16,9 +16,11 @@
 
 #include "qemu/osdep.h"
 
+#ifndef _WIN32
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include <sys/un.h>
+#endif /* _WIN32 */
 #ifdef __linux__
 #include <sys/prctl.h>
 #endif /* __linux__ */
@@ -27,13 +29,25 @@
 #include "libqmp.h"
 #include "qemu/ctype.h"
 #include "qemu/cutils.h"
+#include "qemu/sockets.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qjson.h"
 #include "qapi/qmp/qlist.h"
 #include "qapi/qmp/qstring.h"
 
 #define MAX_IRQ 256
-#define SOCKET_TIMEOUT 50
+
+#ifndef _WIN32
+# define SOCKET_TIMEOUT 50
+# define CMD_EXEC   "exec "
+# define DEV_STDERR "/dev/fd/2"
+# define DEV_NULL   "/dev/null"
+#else
+# define SOCKET_TIMEOUT 50000
+# define CMD_EXEC   ""
+# define DEV_STDERR "2"
+# define DEV_NULL   "nul"
+#endif
 
 typedef void (*QTestSendFn)(QTestState *s, const char *buf);
 typedef void (*ExternalSendFn)(void *s, const char *buf);
@@ -57,6 +71,9 @@ struct QTestState
     int qmp_fd;
     pid_t qemu_pid;  /* our child QEMU process */
     int wstatus;
+#ifdef _WIN32
+    DWORD exit_code;
+#endif
     int expected_status;
     bool big_endian;
     bool irq_level[MAX_IRQ];
@@ -90,8 +107,16 @@ static int socket_accept(int sock)
     struct sockaddr_un addr;
     socklen_t addrlen;
     int ret;
+    /*
+     * timeout unit of blocking receive calls is different among platfoms.
+     * It's in seconds on non-Windows platforms but milliseconds on Windows.
+     */
+#ifndef _WIN32
     struct timeval timeout = { .tv_sec = SOCKET_TIMEOUT,
                                .tv_usec = 0 };
+#else
+    DWORD timeout = SOCKET_TIMEOUT;
+#endif
 
     if (setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO,
                    (void *)&timeout, sizeof(timeout))) {
@@ -118,10 +143,18 @@ bool qtest_probe_child(QTestState *s)
     pid_t pid = s->qemu_pid;
 
     if (pid != -1) {
+#ifndef _WIN32
         pid = waitpid(pid, &s->wstatus, WNOHANG);
         if (pid == 0) {
             return true;
         }
+#else
+        GetExitCodeProcess((HANDLE)pid, &s->exit_code);
+        if (s->exit_code == STILL_ACTIVE) {
+            return true;
+        }
+        CloseHandle((HANDLE)pid);
+#endif
         s->qemu_pid = -1;
     }
     return false;
@@ -132,24 +165,14 @@ void qtest_set_expected_status(QTestState *s, int status)
     s->expected_status = status;
 }
 
-void qtest_kill_qemu(QTestState *s)
+static void qtest_check_status(QTestState *s)
 {
-    pid_t pid = s->qemu_pid;
-    int wstatus;
-
-    /* Skip wait if qtest_probe_child already reaped.  */
-    if (pid != -1) {
-        kill(pid, SIGTERM);
-        TFR(pid = waitpid(s->qemu_pid, &s->wstatus, 0));
-        assert(pid == s->qemu_pid);
-        s->qemu_pid = -1;
-    }
-
     /*
      * Check whether qemu exited with expected exit status; anything else is
      * fishy and should be logged with as much detail as possible.
      */
-    wstatus = s->wstatus;
+#ifndef _WIN32
+    int wstatus = s->wstatus;
     if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) != s->expected_status) {
         fprintf(stderr, "%s:%d: kill_qemu() tried to terminate QEMU "
                 "process but encountered exit status %d (expected %d)\n",
@@ -165,6 +188,50 @@ void qtest_kill_qemu(QTestState *s)
                 __FILE__, __LINE__, sig, signame, dump);
         abort();
     }
+#else
+    if (s->exit_code != s->expected_status) {
+        fprintf(stderr, "%s:%d: kill_qemu() tried to terminate QEMU "
+                "process but encountered exit status %ld (expected %d)\n",
+                __FILE__, __LINE__, s->exit_code, s->expected_status);
+        abort();
+    }
+#endif
+}
+
+void qtest_wait_qemu(QTestState *s)
+{
+#ifndef _WIN32
+    pid_t pid;
+
+    TFR(pid = waitpid(s->qemu_pid, &s->wstatus, 0));
+    assert(pid == s->qemu_pid);
+#else
+    DWORD ret;
+
+    ret = WaitForSingleObject((HANDLE)s->qemu_pid, INFINITE);
+    assert(ret == WAIT_OBJECT_0);
+    GetExitCodeProcess((HANDLE)s->qemu_pid, &s->exit_code);
+    CloseHandle((HANDLE)s->qemu_pid);
+#endif
+
+    qtest_check_status(s);
+}
+
+void qtest_kill_qemu(QTestState *s)
+{
+    /* Skip wait if qtest_probe_child() already reaped */
+    if (s->qemu_pid != -1) {
+#ifndef _WIN32
+        kill(s->qemu_pid, SIGTERM);
+#else
+        TerminateProcess((HANDLE)s->qemu_pid, s->expected_status);
+#endif
+        qtest_wait_qemu(s);
+        s->qemu_pid = -1;
+        return;
+    }
+
+    qtest_check_status(s);
 }
 
 static void kill_qemu_hook_func(void *s)
@@ -243,6 +310,38 @@ static const char *qtest_qemu_binary(void)
     return qemu_bin;
 }
 
+#ifdef _WIN32
+static pid_t qtest_create_process(char *cmd)
+{
+    STARTUPINFO si;
+    PROCESS_INFORMATION pi;
+    BOOL ret;
+
+    ZeroMemory(&si, sizeof(si));
+    si.cb = sizeof(si);
+    ZeroMemory(&pi, sizeof(pi));
+
+    ret = CreateProcess(NULL,   /* module name */
+                        cmd,    /* command line */
+                        NULL,   /* process handle not inheritable */
+                        NULL,   /* thread handle not inheritable */
+                        FALSE,  /* set handle inheritance to FALSE */
+                        0,      /* No creation flags */
+                        NULL,   /* use parent's environment block */
+                        NULL,   /* use parent's starting directory */
+                        &si,    /* pointer to STARTUPINFO structure */
+                        &pi     /* pointer to PROCESS_INFORMATION structure */
+                        );
+    if (ret == 0) {
+        fprintf(stderr, "%s:%d: unable to create a new process (%s)\n",
+                __FILE__, __LINE__, strerror(GetLastError()));
+        abort();
+    }
+
+    return (pid_t)pi.hProcess;
+}
+#endif /* _WIN32 */
+
 QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
 {
     QTestState *s;
@@ -270,6 +369,7 @@ QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
     unlink(socket_path);
     unlink(qmp_socket_path);
 
+    socket_init();
     sock = init_socket(socket_path);
     qmpsock = init_socket(qmp_socket_path);
 
@@ -278,7 +378,7 @@ QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
 
     qtest_add_abrt_handler(kill_qemu_hook_func, s);
 
-    command = g_strdup_printf("exec %s %s"
+    command = g_strdup_printf(CMD_EXEC "%s %s"
                               "-qtest unix:%s "
                               "-qtest-log %s "
                               "-chardev socket,path=%s,id=char0 "
@@ -287,7 +387,7 @@ QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
                               "%s"
                               " -accel qtest",
                               qemu_binary, tracearg, socket_path,
-                              getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null",
+                              getenv("QTEST_LOG") ? DEV_STDERR : DEV_NULL,
                               qmp_socket_path,
                               extra_args ?: "");
 
@@ -296,6 +396,7 @@ QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
     s->pending_events = NULL;
     s->wstatus = 0;
     s->expected_status = 0;
+#ifndef _WIN32
     s->qemu_pid = fork();
     if (s->qemu_pid == 0) {
 #ifdef __linux__
@@ -318,6 +419,9 @@ QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
         execlp("/bin/sh", "sh", "-c", command, NULL);
         exit(1);
     }
+#else
+    s->qemu_pid = qtest_create_process(command);
+#endif /* _WIN32 */
 
     g_free(command);
     s->fd = socket_accept(sock);
@@ -336,9 +440,19 @@ QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
         s->irq_level[i] = false;
     }
 
+    /*
+     * Stopping QEMU for debugging is not supported on Windows.
+     *
+     * Using DebugActiveProcess() API can suspend the QEMU process,
+     * but gdb cannot attach to the process. Using the undocumented
+     * NtSuspendProcess() can suspend the QEMU process and gdb can
+     * attach to the process, but gdb cannot resume it.
+     */
+#ifndef _WIN32
     if (getenv("QTEST_STOP")) {
         kill(s->qemu_pid, SIGSTOP);
     }
+#endif
 
     /* ask endianness of the target */
 
@@ -392,6 +506,7 @@ QTestState *qtest_init_with_serial(const char *extra_args, int *sock_fd)
     g_assert_true(sock_dir != NULL);
     sock_path = g_strdup_printf("%s/sock", sock_dir);
 
+    socket_init();
     sock_fd_init = init_socket(sock_path);
 
     qts = qtest_initf("-chardev socket,id=s0,path=%s -serial chardev:s0 %s",
@@ -428,7 +543,7 @@ void qtest_quit(QTestState *s)
 
 static void socket_send(int fd, const char *buf, size_t size)
 {
-    size_t res = qemu_write_full(fd, buf, size);
+    ssize_t res = qemu_send_full(fd, buf, size);
 
     assert(res == size);
 }
@@ -460,7 +575,7 @@ static GString *qtest_client_socket_recv_line(QTestState *s)
         ssize_t len;
         char buffer[1024];
 
-        len = read(s->fd, buffer, sizeof(buffer));
+        len = recv(s->fd, buffer, sizeof(buffer), 0);
         if (len == -1 && errno == EINTR) {
             continue;
         }