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Proposed fix for issue #5.

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Initialize all signals from RTMIN to RTMAX with a dummy handler before
actually setting the "real" handlers.
This commit is contained in:
Mark Caudill 2020-04-01 11:45:00 -04:00
parent fefab14bee
commit 06710ebd05
1 changed files with 16 additions and 3 deletions
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19
dwmblocks.c
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@ -13,6 +13,7 @@ typedef struct {
unsigned int interval;
unsigned int signal;
} Block;
void dummysighandler(int num);
void sighandler(int num);
void replace(char *str, char old, char new);
void getcmds(int time);
@ -67,7 +68,7 @@ void getcmds(int time)
{
const Block* current;
for(int i = 0; i < LENGTH(blocks); i++)
{
{
current = blocks + i;
if ((current->interval != 0 && time % current->interval == 0) || time == -1)
getcmd(current,statusbar[i]);
@ -88,8 +89,12 @@ void getsigcmds(int signal)
void setupsignals()
{
/* initialize all real time signals with dummy handler */
for(int i = SIGRTMIN; i <= SIGRTMAX; i++)
signal(i, dummysighandler);
for(int i = 0; i < LENGTH(blocks); i++)
{
{
if (blocks[i].signal > 0)
signal(SIGRTMIN+blocks[i].signal, sighandler);
}
@ -146,6 +151,14 @@ void statusloop()
}
}
#ifndef __OpenBSD__
/* this signal handler should do nothing */
void dummysighandler(int signum)
{
return;
}
#endif
#ifndef __OpenBSD__
void sighandler(int signum)
{
@ -163,7 +176,7 @@ void termhandler(int signum)
int main(int argc, char** argv)
{
for(int i = 0; i < argc; i++)
{
{
if (!strcmp("-d",argv[i]))
delim = argv[++i][0];
else if(!strcmp("-p",argv[i]))