From ff41f8e71ec6fafdcc8fa25367d5ad01dbdd8519 Mon Sep 17 00:00:00 2001
From: Luke Smith <luke@lukesmith.xyz>
Date: Mon, 4 May 2020 15:27:46 -0400
Subject: statuscmd programs forked

---
 patches/dwmblocks-statuscmd-fork.diff | 77 +++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 patches/dwmblocks-statuscmd-fork.diff

(limited to 'patches/dwmblocks-statuscmd-fork.diff')

diff --git a/patches/dwmblocks-statuscmd-fork.diff b/patches/dwmblocks-statuscmd-fork.diff
new file mode 100644
index 0000000..1ae7d7a
--- /dev/null
+++ b/patches/dwmblocks-statuscmd-fork.diff
@@ -0,0 +1,77 @@
+diff --git a/dwmblocks.c b/dwmblocks.c
+index 7d7a564..e2c5dd0 100644
+--- a/dwmblocks.c
++++ b/dwmblocks.c
+@@ -34,8 +34,6 @@ static int screen;
+ static Window root;
+ static char statusbar[LENGTH(blocks)][CMDLENGTH] = {0};
+ static char statusstr[2][256];
+-static char exportstring[CMDLENGTH + 22] = "export BLOCK_BUTTON=-;";
+-static int button = 0;
+ static int statusContinue = 1;
+ static void (*writestatus) () = setroot;
+ 
+@@ -55,21 +53,8 @@ void getcmd(const Block *block, char *output)
+ 		output[0] = block->signal;
+ 		output++;
+ 	}
+-	char* cmd;
+-	FILE *cmdf;
+-	if (button)
+-	{
+-		cmd = strcat(exportstring, block->command);
+-		cmd[20] = '0' + button;
+-		button = 0;
+-		cmdf = popen(cmd,"r");
+-		cmd[22] = '\0';
+-	}
+-	else
+-	{
+-		cmd = block->command;
+-		cmdf = popen(cmd,"r");
+-	}
++	char *cmd = block->command;
++	FILE *cmdf = popen(cmd,"r");
+ 	if (!cmdf)
+ 		return;
+ 	fgets(output, CMDLENGTH, cmdf);
+@@ -117,6 +102,7 @@ void setupsignals()
+ 	sa.sa_sigaction = buttonhandler;
+ 	sa.sa_flags = SA_SIGINFO;
+ 	sigaction(SIGUSR1, &sa, NULL);
++	signal(SIGCHLD, SIG_IGN);
+ 
+ }
+ #endif
+@@ -179,9 +165,29 @@ void sighandler(int signum)
+ 
+ void buttonhandler(int sig, siginfo_t *si, void *ucontext)
+ {
+-	button = si->si_value.sival_int & 0xff;
+-	getsigcmds(si->si_value.sival_int >> 8);
++	int button = si->si_value.sival_int & 0xff;
++	sig = si->si_value.sival_int >> 8;
++	getsigcmds(sig);
+ 	writestatus();
++	if (fork() == 0)
++	{
++		static char exportstring[CMDLENGTH + 22] = "export BLOCK_BUTTON=-;";
++		const Block *current;
++		int i;
++		for (i = 0; i < LENGTH(blocks); i++)
++		{
++			current = blocks + i;
++			if (current->signal == sig)
++				break;
++		}
++		char *cmd = strcat(exportstring, blocks[i].command);
++		cmd[20] = '0' + button;
++		char *command[] = { "/bin/sh", "-c", cmd, NULL };
++		setsid();
++		execvp(command[0], command);
++		exit(EXIT_SUCCESS);
++		cmd[22] = '\0';
++	}
+ }
+ 
+ #endif
-- 
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