diff options
| author | Mark Caudill <mark@mrkc.me> | 2020-04-01 11:45:00 -0400 |
|---|---|---|
| committer | Mark Caudill <mark@mrkc.me> | 2020-04-01 11:45:00 -0400 |
| commit | 06710ebd054f2658f2b46e7c784eea51d58bb72d (patch) | |
| tree | e25052d65704048a85027c74dd3b0f13b496fe7f | |
| parent | fefab14beea22fa83ddee6b4d196ead0c9a34a28 (diff) | |
Proposed fix for issue #5.
Initialize all signals from RTMIN to RTMAX with a dummy handler before
actually setting the "real" handlers.
| -rw-r--r-- | dwmblocks.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/dwmblocks.c b/dwmblocks.c index 88bdfb0..7d4616d 100644 --- a/dwmblocks.c +++ b/dwmblocks.c @@ -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); } @@ -147,6 +152,14 @@ void statusloop() } #ifndef __OpenBSD__ +/* this signal handler should do nothing */ +void dummysighandler(int signum) +{ + return; +} +#endif + +#ifndef __OpenBSD__ void sighandler(int signum) { getsigcmds(signum-SIGRTMIN); @@ -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])) |