wancat/dwmblocks
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Update status after forking and export with setenv

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Forking after updating the status can feel unresponsive depending on how
long it takes for the command to run.

Also link to the statuscmd page on suckless.org instead of the gist.
This commit is contained in:
Daniel Bylinka
2020-05-18 00:52:18 +02:00
parent ff026b9dd4
commit aaeebc4b36
2 changed files with 7 additions and 11 deletions
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16
dwmblocks.c
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@@ -184,29 +184,25 @@ void sighandler(int signum)
void buttonhandler(int sig, siginfo_t *si, void *ucontext)
{
int button = si->si_value.sival_int & 0xff;
char button[2] = {'0' + si->si_value.sival_int & 0xff, '\0'};
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++)
for (int 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 };
char *command[] = { "/bin/sh", "-c", current->command, NULL };
setenv("BLOCK_BUTTON", button, 1);
setsid();
execvp(command[0], command);
exit(EXIT_SUCCESS);
cmd[22] = '\0';
}
getsigcmds(sig);
writestatus();
}
#endif