NapoleonDynamite/dwmblocks
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Added greatest common denominator interval from

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"Improve performance by sleeping as much as possible #69"
since the sleeping has been changed.
This commit is contained in:
dfuehrer 2021-03-17 00:38:37 -07:00
parent d45328c444
commit da9a2f7286
1 changed files with 30 additions and 9 deletions
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39
dwmblocks.c
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@ -60,6 +60,19 @@ void remove_all(char *str, char to_remove) {
} while (*(read-1)); } while (*(read-1));
} }
int gcd(int a, int b)
{
int temp;
while (b > 0){
temp = a % b;
a = b;
b = temp;
}
return a;
}
//opens process *cmd and stores output in *output //opens process *cmd and stores output in *output
void getcmd(const Block *block, char *output) void getcmd(const Block *block, char *output)
{ {
@ -76,10 +89,10 @@ void getcmd(const Block *block, char *output)
} }
char tmpstr[CMDLENGTH] = ""; char tmpstr[CMDLENGTH] = "";
// TODO decide whether its better to use the last value till next time or just keep trying while the error was the interrupt // TODO decide whether its better to use the last value till next time or just keep trying while the error was the interrupt
// this keeps trying to read if it got nothing and the error was and interrupt // this keeps trying to read if it got nothing and the error was an interrupt
// could also just read to a separate buffer and not move the data over if interrupted // could also just read to a separate buffer and not move the data over if interrupted
// this way will take longer trying to complete 1 thing but will get it done // this way will take longer trying to complete 1 thing but will get it done
// the other way will move on to keep going with everything and the part that failed to read will be wrong till its updated again // the other way will move on to keep going with everything and the part that failed to read will be wrong till its updated again
// either way you have to save the data to a temp buffer because when it fails it writes nothing and then then it gets displayed before this finishes // either way you have to save the data to a temp buffer because when it fails it writes nothing and then then it gets displayed before this finishes
char * s; char * s;
int e; int e;
@ -195,17 +208,25 @@ void statusloop()
#ifndef __OpenBSD__ #ifndef __OpenBSD__
setupsignals(); setupsignals();
#endif #endif
// first figure out the default wait interval by finding the
// greatest common denominator of the intervals
unsigned int interval = -1;
for(int i = 0; i < LENGTH(blocks); i++){
if(blocks[i].interval){
interval = gcd(blocks[i].interval, interval);
}
}
unsigned int i = 0; unsigned int i = 0;
int gotscrewed = 0; int interrupted = 0;
struct timespec sleeptime = {1, 0}; struct timespec sleeptime = {interval, 0};
struct timespec tosleep = sleeptime; struct timespec tosleep = sleeptime;
getcmds(-1); getcmds(-1);
while(statusContinue) while(statusContinue)
{ {
// sleep for tosleep (should be a sleeptime of 1s) and put what was left if interrupted back into tosleep // sleep for tosleep (should be a sleeptime of interval seconds) and put what was left if interrupted back into tosleep
gotscrewed = nanosleep(&tosleep, &tosleep); interrupted = nanosleep(&tosleep, &tosleep);
// if interrupted then just go sleep again for the remaining time // if interrupted then just go sleep again for the remaining time
if(gotscrewed == -1){ if(interrupted == -1){
continue; continue;
} }
// if not interrupted then do the calling and writing // if not interrupted then do the calling and writing