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vene signal changes in dwm and status bar upgrades

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vrd
2026-07-30 11:54:49 +03:00
committed by Venelin Dechkov
parent 336575522b
commit e81536b695
2 changed files with 42 additions and 30 deletions
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dwm.c
+6 -2
View File
@@ -1547,8 +1547,9 @@ setup(void)
/* do not transform children into zombies when they terminate */
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART;
sa.sa_handler = SIG_IGN;
sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
/* IGN -> DFL for cppipe so that waitpid works */
sa.sa_handler = SIG_DFL;
sigaction(SIGCHLD, &sa, NULL);
/* clean up any zombies (inherited from .xinitrc etc) immediately */
@@ -1653,8 +1654,11 @@ spawn(const Arg *arg)
if (fork() == 0) {
if (dpy)
close(ConnectionNumber(dpy));
/* Child starts a new session */
setsid();
/* Don't inherit dwm's sigaction from setup */
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sa.sa_handler = SIG_DFL;
vene.cpp
+36 -28
View File
@@ -1,6 +1,7 @@
#include <time.h>
#include <cstring>
#include <cstdlib>
#include <fstream>
#include <string>
#include <chrono>
#include <cppipe/commands.hpp>
@@ -17,10 +18,8 @@ char SCREEN_CAPS_DIR[64];
namespace
{
time_point<system_clock> next_update;
void schedule_update()
{
next_update = system_clock::now() + 100ms;
}
bool has_child;
Proc child;
}
extern "C"
@@ -62,25 +61,28 @@ extern "C"
static string new_stat;
new_stat.clear();
// Net
string eth_state;
ifstream("/sys/class/net/eth0/operstate") >> eth_state;
if(eth_state == "up")
new_stat += "🌐 ";
// Volume
string amix_out = $(Cmd("amixer", "get", AUDIO_DEV));
size_t bracket = amix_out.find('[');
size_t vol_bracket = amix_out.find('[');
if(bracket != string::npos)
if(vol_bracket != string::npos)
{
bool is_muted = amix_out.find("[on]") == string::npos;
new_stat += is_muted ? "🔇" : "🔉";
new_stat += amix_out[bracket+1];
if(char second = amix_out[bracket+2]; second != '%')
new_stat += second;
if(char third = amix_out[bracket+3]; third != '%')
new_stat += third;
size_t first_digit = vol_bracket + 1;
size_t close_bracket = amix_out.find(']', first_digit);
new_stat.append(amix_out, first_digit, close_bracket - first_digit);
new_stat += '%';
}
new_stat += ' ';
}
// Time
time_t rawtime;
@@ -101,10 +103,19 @@ extern "C"
{
time_point<system_clock> now = system_clock::now();
if(now > next_update)
if(has_child && check_exited(child))
{
next_update = now + 5s;
// Clean up all zombies
while (waitpid(-1, nullptr, WNOHANG) > 0);
has_child = false;
updatestatus();
next_update = now + 5s;
}
else if(now > next_update)
{
updatestatus();
next_update = now + 5s;
}
}
@@ -137,25 +148,22 @@ extern "C"
void vene_inc_vol(const Arg*)
{
Cmd inc_vol("amixer", "set", AUDIO_DEV, "3%+");
inc_vol.detach();
schedule_update();
Cmd inc_vol("amixer", "-q", "set", AUDIO_DEV, "3%+");
child = inc_vol.detach();
has_child = true;
}
void vene_dec_vol(const Arg*)
{
Cmd dec_vol("amixer", "set", AUDIO_DEV, "3%-");
dec_vol.detach();
schedule_update();
Cmd dec_vol("amixer", "-q", "set", AUDIO_DEV, "3%-");
child = dec_vol.detach();
has_child = true;
}
void vene_toggle_vol(const Arg*)
{
Cmd toggle_vol("amixer", "set", AUDIO_DEV, "toggle");
toggle_vol.detach();
schedule_update();
Cmd toggle_vol("amixer", "-q", "set", AUDIO_DEV, "toggle");
child = toggle_vol.detach();
has_child = true;
}
}