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-rw-r--r--config.h13
-rw-r--r--dwmblocks.c111
2 files changed, 62 insertions, 62 deletions
diff --git a/config.h b/config.h
index e9a3744..e539dfb 100644
--- a/config.h
+++ b/config.h
@@ -4,15 +4,13 @@ static const Block blocks[] = {
/* {"⌨", "sb-kbselect", 0, 30}, */
{"", "cat /tmp/recordingicon 2>/dev/null", 0, 9},
{"", "sb-tasks", 10, 26},
- {"", "sb-music", 0, 11},
+ /* {"", "sb-music", 0, 11}, */
{"", "sb-pacpackages", 0, 8},
{"", "sb-news", 0, 6},
- /* {"", "sb-price lbc \"LBRY Token\" 📚", 9000, 22}, */
- /* {"", "sb-price bat \"Basic Attention Token\" 🦁", 9000, 20}, */
- /* {"", "sb-price link \"Chainlink\" 🔗", 300, 25}, */
- /* {"", "sb-price xmr \"Monero\" 🔒", 9000, 24}, */
- /* {"", "sb-price eth Ethereum 🍸", 9000, 23}, */
- /* {"", "sb-price btc Bitcoin 💰", 9000, 21}, */
+ /* {"", "sb-price xmr-btc \"Monero to Bitcoin\" 🔒 25", 9000, 25}, */
+ /* {"", "sb-price xmr Monero 🔒 24", 9000, 24}, */
+ /* {"", "sb-price eth Ethereum 🍸 23", 9000, 23}, */
+ /* {"", "sb-price btc Bitcoin 💰 21", 9000, 21}, */
{"", "sb-torrent", 20, 7},
/* {"", "sb-memory", 10, 14}, */
{"", "sb-cpu", 10, 18},
@@ -25,6 +23,7 @@ static const Block blocks[] = {
{"", "sb-battery", 5, 3},
{"", "sb-clock", 60, 1},
{"", "sb-internet", 5, 4},
+ /* {"", "sb-iplocate", 0, 27}, */
{"", "sb-help-icon", 0, 15},
};
diff --git a/dwmblocks.c b/dwmblocks.c
index aa6683d..aab403c 100644
--- a/dwmblocks.c
+++ b/dwmblocks.c
@@ -6,6 +6,8 @@
#include <signal.h>
#include <errno.h>
#include <X11/Xlib.h>
+#include <sys/signalfd.h>
+#include <poll.h>
#define LENGTH(X) (sizeof(X) / sizeof (X[0]))
#define CMDLENGTH 50
@@ -15,16 +17,13 @@ typedef struct {
unsigned int interval;
unsigned int signal;
} Block;
-void sighandler(int num);
-void buttonhandler(int sig, siginfo_t *si, void *ucontext);
+void sighandler();
+void buttonhandler(int ssi_int);
void replace(char *str, char old, char new);
void remove_all(char *str, char to_remove);
void getcmds(int time);
-#ifndef __OpenBSD__
void getsigcmds(int signal);
void setupsignals();
-void sighandler(int signum);
-#endif
int getstatus(char *str, char *last);
void setroot();
void statusloop();
@@ -39,6 +38,8 @@ static Window root;
static char statusbar[LENGTH(blocks)][CMDLENGTH] = {0};
static char statusstr[2][256];
static int statusContinue = 1;
+static int signalFD;
+static int timerInterval = -1;
static void (*writestatus) () = setroot;
void replace(char *str, char old, char new)
@@ -128,7 +129,6 @@ void getcmds(int time)
}
}
-#ifndef __OpenBSD__
void getsigcmds(int signal)
{
const Block *current;
@@ -143,22 +143,20 @@ void getsigcmds(int signal)
void setupsignals()
{
- struct sigaction sa;
-
- for(int i = SIGRTMIN; i <= SIGRTMAX; i++)
- signal(i, SIG_IGN);
-
- for(int i = 0; i < LENGTH(blocks); i++)
- {
+ sigset_t signals;
+ sigemptyset(&signals);
+ sigaddset(&signals, SIGALRM); // Timer events
+ sigaddset(&signals, SIGUSR1); // Button events
+ // All signals assigned to blocks
+ for (size_t i = 0; i < LENGTH(blocks); i++)
if (blocks[i].signal > 0)
- {
- signal(SIGRTMIN+blocks[i].signal, sighandler);
- sigaddset(&sa.sa_mask, SIGRTMIN+blocks[i].signal);
- }
- }
- sa.sa_sigaction = buttonhandler;
- sa.sa_flags = SA_SIGINFO;
- sigaction(SIGUSR1, &sa, NULL);
+ sigaddset(&signals, SIGRTMIN + blocks[i].signal);
+ // Create signal file descriptor for pooling
+ signalFD = signalfd(-1, &signals, 0);
+ // Block all real-time signals
+ for (int i = SIGRTMIN; i <= SIGRTMAX; i++) sigaddset(&signals, i);
+ sigprocmask(SIG_BLOCK, &signals, NULL);
+ // Do not transform children into zombies
struct sigaction sigchld_action = {
.sa_handler = SIG_DFL,
.sa_flags = SA_NOCLDWAIT
@@ -166,7 +164,6 @@ void setupsignals()
sigaction(SIGCHLD, &sigchld_action, NULL);
}
-#endif
int getstatus(char *str, char *last)
{
@@ -221,52 +218,57 @@ void pstdout()
void statusloop()
{
-#ifndef __OpenBSD__
setupsignals();
-#endif
// first figure out the default wait interval by finding the
// greatest common denominator of the intervals
- unsigned int interval = -1;
for(int i = 0; i < LENGTH(blocks); i++){
if(blocks[i].interval){
- interval = gcd(blocks[i].interval, interval);
+ timerInterval = gcd(blocks[i].interval, timerInterval);
}
}
- unsigned int i = 0;
- int interrupted = 0;
- const struct timespec sleeptime = {interval, 0};
- struct timespec tosleep = sleeptime;
- getcmds(-1);
- while(statusContinue)
- {
- // sleep for tosleep (should be a sleeptime of interval seconds) and put what was left if interrupted back into tosleep
- interrupted = nanosleep(&tosleep, &tosleep);
- // if interrupted then just go sleep again for the remaining time
- if(interrupted == -1){
- continue;
- }
- // if not interrupted then do the calling and writing
- getcmds(i);
- writestatus();
- // then increment since its actually been a second (plus the time it took the commands to run)
- i += interval;
- // set the time to sleep back to the sleeptime of 1s
- tosleep = sleeptime;
- }
+ getcmds(-1); // Fist time run all commands
+ raise(SIGALRM); // Schedule first timer event
+ int ret;
+ struct pollfd pfd[] = {{.fd = signalFD, .events = POLLIN}};
+ while (statusContinue) {
+ // Wait for new signal
+ ret = poll(pfd, sizeof(pfd) / sizeof(pfd[0]), -1);
+ if (ret < 0 || !(pfd[0].revents & POLLIN)) break;
+ sighandler(); // Handle signal
+ }
}
-#ifndef __OpenBSD__
-void sighandler(int signum)
+void sighandler()
{
- getsigcmds(signum-SIGRTMIN);
+ static int time = 0;
+ struct signalfd_siginfo si;
+ int ret = read(signalFD, &si, sizeof(si));
+ if (ret < 0) return;
+ int signal = si.ssi_signo;
+ switch (signal) {
+ case SIGALRM:
+ // Execute blocks and schedule the next timer event
+ getcmds(time);
+ alarm(timerInterval);
+ time += timerInterval;
+ break;
+ case SIGUSR1:
+ // Handle buttons
+ buttonhandler(si.ssi_int);
+ return;
+ default:
+ // Execute the block that has the given signal
+ getsigcmds(signal - SIGRTMIN);
+ break;
+ }
writestatus();
}
-void buttonhandler(int sig, siginfo_t *si, void *ucontext)
+void buttonhandler(int ssi_int)
{
- char button[2] = {'0' + si->si_value.sival_int & 0xff, '\0'};
+ char button[2] = {'0' + ssi_int & 0xff, '\0'};
pid_t process_id = getpid();
- sig = si->si_value.sival_int >> 8;
+ int sig = ssi_int >> 8;
if (fork() == 0)
{
const Block *current;
@@ -286,12 +288,10 @@ void buttonhandler(int sig, siginfo_t *si, void *ucontext)
}
}
-#endif
void termhandler(int signum)
{
statusContinue = 0;
- exit(0);
}
int main(int argc, char** argv)
@@ -306,5 +306,6 @@ int main(int argc, char** argv)
signal(SIGTERM, termhandler);
signal(SIGINT, termhandler);
statusloop();
+ close(signalFD);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 16:46:32 +0000