2 * QEMU progress printing utility functions
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25 #include "qemu-common.h"
31 struct progress_state {
39 static struct progress_state state;
42 * Simple progress print function.
43 * @percent relative percent of current operation
44 * @max percent of total operation
46 static void progress_simple_print(void)
48 printf(" (%3.2f/100%%)\r", state.current);
52 static void progress_simple_end(void)
57 static void progress_simple_init(void)
59 state.print = progress_simple_print;
60 state.end = progress_simple_end;
64 static void sigusr_print(int signal)
66 printf(" (%3.2f/100%%)\n", state.current);
70 static void progress_dummy_print(void)
74 static void progress_dummy_end(void)
78 static void progress_dummy_init(void)
81 struct sigaction action;
83 memset(&action, 0, sizeof(action));
84 sigfillset(&action.sa_mask);
85 action.sa_handler = sigusr_print;
87 sigaction(SIGUSR1, &action, NULL);
90 state.print = progress_dummy_print;
91 state.end = progress_dummy_end;
94 void qemu_progress_init(int enabled, float min_skip)
96 state.min_skip = min_skip;
98 progress_simple_init();
100 progress_dummy_init();
104 void qemu_progress_end(void)
109 void qemu_progress_print(float percent, int max)
116 current = state.current + percent / 100 * max;
121 state.current = current;
123 if (current > (state.last_print + state.min_skip) ||
124 (current == 100) || (current == 0)) {
125 state.last_print = state.current;