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-rw-r--r--vl.c187
1 files changed, 41 insertions, 146 deletions
diff --git a/vl.c b/vl.c
index 192a240..6b9a2f6 100644
--- a/vl.c
+++ b/vl.c
@@ -756,7 +756,7 @@ void add_boot_device_path(int32_t bootindex, DeviceState *dev,
/*
* This function returns null terminated string that consist of new line
- * separated device pathes.
+ * separated device paths.
*
* memory pointed by "size" is assigned total length of the array in bytes
*
@@ -1023,68 +1023,6 @@ void pcmcia_info(Monitor *mon)
}
/***********************************************************/
-/* I/O handling */
-
-typedef struct IOHandlerRecord {
- int fd;
- IOCanReadHandler *fd_read_poll;
- IOHandler *fd_read;
- IOHandler *fd_write;
- int deleted;
- void *opaque;
- /* temporary data */
- struct pollfd *ufd;
- QLIST_ENTRY(IOHandlerRecord) next;
-} IOHandlerRecord;
-
-static QLIST_HEAD(, IOHandlerRecord) io_handlers =
- QLIST_HEAD_INITIALIZER(io_handlers);
-
-
-/* XXX: fd_read_poll should be suppressed, but an API change is
- necessary in the character devices to suppress fd_can_read(). */
-int qemu_set_fd_handler2(int fd,
- IOCanReadHandler *fd_read_poll,
- IOHandler *fd_read,
- IOHandler *fd_write,
- void *opaque)
-{
- IOHandlerRecord *ioh;
-
- if (!fd_read && !fd_write) {
- QLIST_FOREACH(ioh, &io_handlers, next) {
- if (ioh->fd == fd) {
- ioh->deleted = 1;
- break;
- }
- }
- } else {
- QLIST_FOREACH(ioh, &io_handlers, next) {
- if (ioh->fd == fd)
- goto found;
- }
- ioh = qemu_mallocz(sizeof(IOHandlerRecord));
- QLIST_INSERT_HEAD(&io_handlers, ioh, next);
- found:
- ioh->fd = fd;
- ioh->fd_read_poll = fd_read_poll;
- ioh->fd_read = fd_read;
- ioh->fd_write = fd_write;
- ioh->opaque = opaque;
- ioh->deleted = 0;
- }
- return 0;
-}
-
-int qemu_set_fd_handler(int fd,
- IOHandler *fd_read,
- IOHandler *fd_write,
- void *opaque)
-{
- return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
-}
-
-/***********************************************************/
/* machine registration */
static QEMUMachine *first_machine = NULL;
@@ -1231,8 +1169,15 @@ int qemu_shutdown_requested(void)
void qemu_kill_report(void)
{
if (shutdown_signal != -1) {
- fprintf(stderr, "Got signal %d from pid %d\n",
- shutdown_signal, shutdown_pid);
+ fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
+ if (shutdown_pid == 0) {
+ /* This happens for eg ^C at the terminal, so it's worth
+ * avoiding printing an odd message in that case.
+ */
+ fputc('\n', stderr);
+ } else {
+ fprintf(stderr, " from pid %d\n", shutdown_pid);
+ }
shutdown_signal = -1;
}
}
@@ -1343,7 +1288,6 @@ void qemu_system_vmstop_request(int reason)
void main_loop_wait(int nonblocking)
{
- IOHandlerRecord *ioh;
fd_set rfds, wfds, xfds;
int ret, nfds;
struct timeval tv;
@@ -1358,56 +1302,23 @@ void main_loop_wait(int nonblocking)
os_host_main_loop_wait(&timeout);
+ tv.tv_sec = timeout / 1000;
+ tv.tv_usec = (timeout % 1000) * 1000;
+
/* poll any events */
/* XXX: separate device handlers from system ones */
nfds = -1;
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&xfds);
- QLIST_FOREACH(ioh, &io_handlers, next) {
- if (ioh->deleted)
- continue;
- if (ioh->fd_read &&
- (!ioh->fd_read_poll ||
- ioh->fd_read_poll(ioh->opaque) != 0)) {
- FD_SET(ioh->fd, &rfds);
- if (ioh->fd > nfds)
- nfds = ioh->fd;
- }
- if (ioh->fd_write) {
- FD_SET(ioh->fd, &wfds);
- if (ioh->fd > nfds)
- nfds = ioh->fd;
- }
- }
-
- tv.tv_sec = timeout / 1000;
- tv.tv_usec = (timeout % 1000) * 1000;
-
+ qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
qemu_mutex_unlock_iothread();
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
qemu_mutex_lock_iothread();
- if (ret > 0) {
- IOHandlerRecord *pioh;
-
- QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
- if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
- ioh->fd_read(ioh->opaque);
- }
- if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
- ioh->fd_write(ioh->opaque);
- }
-
- /* Do this last in case read/write handlers marked it for deletion */
- if (ioh->deleted) {
- QLIST_REMOVE(ioh, next);
- qemu_free(ioh);
- }
- }
- }
+ qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
qemu_run_all_timers();
@@ -1687,7 +1598,7 @@ static int balloon_parse(const char *arg)
/* create empty opts */
opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
}
- qemu_opt_set(opts, "driver", "virtio-balloon-pci");
+ qemu_opt_set(opts, "driver", "virtio-balloon");
return 0;
}
@@ -2191,7 +2102,9 @@ int main(int argc, char **argv, char **envp)
HD_OPTS);
break;
case QEMU_OPTION_drive:
- drive_def(optarg);
+ if (drive_def(optarg) == NULL) {
+ exit(1);
+ }
break;
case QEMU_OPTION_set:
if (qemu_set_option(optarg) != 0)
@@ -2534,9 +2447,8 @@ int main(int argc, char **argv, char **envp)
}
break;
case QEMU_OPTION_virtfs: {
- char *arg_fsdev = NULL;
- char *arg_9p = NULL;
- int len = 0;
+ QemuOpts *fsdev;
+ QemuOpts *device;
olist = qemu_find_opts("virtfs");
if (!olist) {
@@ -2555,45 +2467,28 @@ int main(int argc, char **argv, char **envp)
qemu_opt_get(opts, "security_model") == NULL) {
fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
"security_model=[mapped|passthrough|none],"
- "mnt_tag=tag.\n");
+ "mount_tag=tag.\n");
exit(1);
}
- len = strlen(",id=,path=,security_model=");
- len += strlen(qemu_opt_get(opts, "fstype"));
- len += strlen(qemu_opt_get(opts, "mount_tag"));
- len += strlen(qemu_opt_get(opts, "path"));
- len += strlen(qemu_opt_get(opts, "security_model"));
- arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
-
- snprintf(arg_fsdev, (len + 1) * sizeof(*arg_fsdev),
- "%s,id=%s,path=%s,security_model=%s",
- qemu_opt_get(opts, "fstype"),
- qemu_opt_get(opts, "mount_tag"),
- qemu_opt_get(opts, "path"),
- qemu_opt_get(opts, "security_model"));
-
- len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
- len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
- arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
-
- snprintf(arg_9p, (len + 1) * sizeof(*arg_9p),
- "virtio-9p-pci,fsdev=%s,mount_tag=%s",
- qemu_opt_get(opts, "mount_tag"),
- qemu_opt_get(opts, "mount_tag"));
-
- if (!qemu_opts_parse(qemu_find_opts("fsdev"), arg_fsdev, 1)) {
- fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
+ fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
+ qemu_opt_get(opts, "mount_tag"), 1);
+ if (!fsdev) {
+ fprintf(stderr, "duplicate fsdev id: %s\n",
+ qemu_opt_get(opts, "mount_tag"));
exit(1);
}
-
- if (!qemu_opts_parse(qemu_find_opts("device"), arg_9p, 1)) {
- fprintf(stderr, "parse error [device]: %s\n", optarg);
- exit(1);
- }
-
- qemu_free(arg_fsdev);
- qemu_free(arg_9p);
+ qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
+ qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
+ qemu_opt_set(fsdev, "security_model",
+ qemu_opt_get(opts, "security_model"));
+
+ device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
+ qemu_opt_set(device, "driver", "virtio-9p-pci");
+ qemu_opt_set(device, "fsdev",
+ qemu_opt_get(opts, "mount_tag"));
+ qemu_opt_set(device, "mount_tag",
+ qemu_opt_get(opts, "mount_tag"));
break;
}
case QEMU_OPTION_serial:
@@ -3148,9 +3043,6 @@ int main(int argc, char **argv, char **envp)
cpu_synchronize_all_post_init();
- /* must be after terminal init, SDL library changes signal handlers */
- os_setup_signal_handling();
-
set_numa_modes();
current_machine = machine;
@@ -3206,6 +3098,9 @@ int main(int argc, char **argv, char **envp)
break;
}
+ /* must be after terminal init, SDL library changes signal handlers */
+ os_setup_signal_handling();
+
#ifdef CONFIG_VNC
/* init remote displays */
if (vnc_display) {