diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2011-09-13 10:30:52 +0200 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2011-10-21 18:14:30 +0200 |
commit | d3b12f5dec4b27ebab58fb5797cb67bacced773b (patch) | |
tree | d5fffa4392b778bf2b38cc7f50e8a1107b30103a /os-win32.c | |
parent | 44a9b356ad12e63acc1198d1fc356870050a214d (diff) |
main-loop: create main-loop.c
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'os-win32.c')
-rw-r--r-- | os-win32.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/os-win32.c b/os-win32.c index f09f01fc49..79094016f1 100644 --- a/os-win32.c +++ b/os-win32.c @@ -48,129 +48,6 @@ int setenv(const char *name, const char *value, int overwrite) 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 = g_malloc0(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; - g_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); |