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Refactor code and remove rate-limiting logic

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This commit is contained in:
Utkarsh Verma 2022-01-17 13:10:43 +05:30
parent 589d320b2e
commit 2e1e93c3da
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GPG Key ID: 817656CF818EFCCC
1 changed files with 5 additions and 21 deletions
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26
main.c
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@ -1,6 +1,5 @@
#define _GNU_SOURCE
#include <X11/Xlib.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
@ -12,8 +11,6 @@
#define LEN(arr) (sizeof(arr) / sizeof(arr[0]))
#define MAX(a, b) (a > b ? a : b)
#define POLL_INTERVAL 50
#define BLOCK(cmd, interval, signal) \
{ "echo \"$(" cmd ")\"", interval, signal }
@ -176,10 +173,6 @@ void signalHandler() {
break;
}
}
// Clear the pipe after each poll to limit number of signals handled
while (read(signalFD, &info, sizeof(info)) != -1)
;
}
void termHandler() {
@ -205,19 +198,14 @@ void setupSignals() {
sigaddset(&sigset, SIGRTMIN + blocks[i].signal);
signalFD = signalfd(-1, &sigset, 0);
fcntl(signalFD, F_SETFL, O_NONBLOCK);
sigprocmask(SIG_BLOCK, &sigset, NULL);
event.data.u32 = LEN(blocks) + 1;
epoll_ctl(epollFD, EPOLL_CTL_ADD, signalFD, &event);
}
void statusLoop() {
// Poll every `POLL_INTERVAL` milliseconds
const struct timespec pollInterval = {.tv_nsec = POLL_INTERVAL * 1000000L};
struct timespec toSleep = pollInterval;
while (statusContinue) {
int eventCount = epoll_wait(epollFD, events, LEN(events), 1);
int eventCount = epoll_wait(epollFD, events, LEN(events), -1);
for (int i = 0; i < eventCount; i++) {
unsigned int id = events[i].data.u32;
@ -233,11 +221,6 @@ void statusLoop() {
}
if (eventCount != -1)
writeStatus();
// Sleep for `pollInterval` even on being interrupted
while (nanosleep(&toSleep, &toSleep) == -1)
;
toSleep = pollInterval;
}
}
@ -297,10 +280,11 @@ int main(const int argc, const char* argv[]) {
init();
if (fork())
statusLoop();
else
// Ensure that `timerLoop()` only runs in the fork
if (fork() == 0)
timerLoop();
else
statusLoop();
close(epollFD);
close(signalFD);