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replace gettimeofday with clock_gettime

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POSIX.1-2008 has marked gettimeofday(2) as obsolete, recommending the
use of clock_gettime(2) instead.

CLOCK_MONOTONIC has been used instead of CLOCK_REALTIME because it is
unaffected by manual changes in the system clock. This makes it better
for our purposes, namely, measuring the difference between two points in
time.

tv_sec has been casted to long in most places since POSIX does not
define the actual type of time_t.
This commit is contained in:
Pranjal Kole 2022-01-15 14:56:13 +05:30
parent 0d649408a0
commit 0da19a81bc
12 changed files with 123 additions and 103 deletions
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9
input.c
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@ -8,7 +8,6 @@
#include <errno.h>
#include <wctype.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <sys/timerfd.h>
#include <sys/epoll.h>
#include <fcntl.h>
@ -2164,12 +2163,12 @@ wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
/* Time since last click */
struct timeval now, since_last;
gettimeofday(&now, NULL);
timersub(&now, &seat->mouse.last_time, &since_last);
struct timespec now, since_last;
clock_gettime(CLOCK_MONOTONIC, &now);
timespec_sub(&now, &seat->mouse.last_time, &since_last);
if (seat->mouse.last_released_button == button &&
since_last.tv_sec == 0 && since_last.tv_usec <= 300 * 1000)
since_last.tv_sec == 0 && since_last.tv_nsec <= 300 * 1000 * 1000)
{
seat->mouse.count++;
} else