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check_timeouts: avoid unnecessary conversions (#273)

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before we were using select, which expected `struct timeval` as
arg. so we needed to do ms -> timeval conversions.

but now since we're using poll, which accepts milisec as arg, there's
no need to do ms -> timeval -> ms. instead have check_timeouts directly
return ms.
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N-R-K 2022-05-12 14:47:46 +00:00 committed by GitHub
parent 3a22e6a6c5
commit 633a4f66d9
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2 changed files with 4 additions and 10 deletions
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8
main.c
View File

@ -207,7 +207,7 @@ void reset_timeout(timeout_f handler)
} }
} }
static bool check_timeouts(struct timeval *t) static bool check_timeouts(int *t)
{ {
int i = 0, tdiff, tmin = -1; int i = 0, tdiff, tmin = -1;
struct timeval now; struct timeval now;
@ -228,7 +228,7 @@ static bool check_timeouts(struct timeval *t)
i++; i++;
} }
if (tmin > 0 && t != NULL) if (tmin > 0 && t != NULL)
TV_SET_MSEC(t, tmin); *t = tmin;
return tmin > 0; return tmin > 0;
} }
@ -703,7 +703,7 @@ static void run(void)
{ {
enum { FD_X, FD_INFO, FD_ARL, FD_CNT }; enum { FD_X, FD_INFO, FD_ARL, FD_CNT };
struct pollfd pfd[FD_CNT]; struct pollfd pfd[FD_CNT];
struct timeval timeout = {0}; int timeout = 0;
const struct timespec ten_ms = {0, 10000000}; const struct timespec ten_ms = {0, 10000000};
bool discard, init_thumb, load_thumb, to_set; bool discard, init_thumb, load_thumb, to_set;
XEvent ev, nextev; XEvent ev, nextev;
@ -735,7 +735,7 @@ static void run(void)
pfd[FD_ARL].fd = arl.fd; pfd[FD_ARL].fd = arl.fd;
pfd[FD_X].events = pfd[FD_INFO].events = pfd[FD_ARL].events = POLLIN; pfd[FD_X].events = pfd[FD_INFO].events = pfd[FD_ARL].events = POLLIN;
if (poll(pfd, ARRLEN(pfd), to_set ? TV_TO_MS(&timeout) : -1) < 0) if (poll(pfd, ARRLEN(pfd), to_set ? timeout : -1) < 0)
continue; continue;
if (pfd[FD_INFO].revents & POLLIN) if (pfd[FD_INFO].revents & POLLIN)
read_info(); read_info();

6
nsxiv.h
View File

@ -44,12 +44,6 @@
#define TV_DIFF(t1,t2) (((t1)->tv_sec - (t2)->tv_sec ) * 1000 + \ #define TV_DIFF(t1,t2) (((t1)->tv_sec - (t2)->tv_sec ) * 1000 + \
((t1)->tv_usec - (t2)->tv_usec) / 1000) ((t1)->tv_usec - (t2)->tv_usec) / 1000)
#define TV_TO_MS(tv) (((tv)->tv_sec * 1000) + ((tv)->tv_usec / 1000))
#define TV_SET_MSEC(tv,t) { \
(tv)->tv_sec = (t) / 1000; \
(tv)->tv_usec = (t) % 1000 * 1000; \
}
#define TV_ADD_MSEC(tv,t) { \ #define TV_ADD_MSEC(tv,t) { \
(tv)->tv_sec += (t) / 1000; \ (tv)->tv_sec += (t) / 1000; \