You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.5 KiB
68 lines
1.5 KiB
#include "git-compat-util.h" |
|
#include "progress.h" |
|
|
|
static volatile sig_atomic_t progress_update; |
|
|
|
static void progress_interval(int signum) |
|
{ |
|
progress_update = 1; |
|
} |
|
|
|
static void set_progress_signal(void) |
|
{ |
|
struct sigaction sa; |
|
struct itimerval v; |
|
|
|
memset(&sa, 0, sizeof(sa)); |
|
sa.sa_handler = progress_interval; |
|
sigemptyset(&sa.sa_mask); |
|
sa.sa_flags = SA_RESTART; |
|
sigaction(SIGALRM, &sa, NULL); |
|
|
|
v.it_interval.tv_sec = 1; |
|
v.it_interval.tv_usec = 0; |
|
v.it_value = v.it_interval; |
|
setitimer(ITIMER_REAL, &v, NULL); |
|
} |
|
|
|
static void clear_progress_signal(void) |
|
{ |
|
struct itimerval v = {{0,},}; |
|
setitimer(ITIMER_REAL, &v, NULL); |
|
signal(SIGALRM, SIG_IGN); |
|
progress_update = 0; |
|
} |
|
|
|
int display_progress(struct progress *progress, unsigned n) |
|
{ |
|
if (progress->total) { |
|
unsigned percent = n * 100 / progress->total; |
|
if (percent != progress->last_percent || progress_update) { |
|
progress->last_percent = percent; |
|
fprintf(stderr, "%s%4u%% (%u/%u) done\r", |
|
progress->msg, percent, n, progress->total); |
|
progress_update = 0; |
|
return 1; |
|
} |
|
} else if (progress_update) { |
|
fprintf(stderr, "%s%u\r", progress->msg, n); |
|
progress_update = 0; |
|
return 1; |
|
} |
|
return 0; |
|
} |
|
|
|
void start_progress(struct progress *progress, const char *msg, unsigned total) |
|
{ |
|
progress->msg = msg; |
|
progress->total = total; |
|
progress->last_percent = -1; |
|
set_progress_signal(); |
|
} |
|
|
|
void stop_progress(struct progress *progress) |
|
{ |
|
clear_progress_signal(); |
|
if (progress->total) |
|
fputc('\n', stderr); |
|
}
|
|
|