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Return error from `softPwmCreate` if `pthread_create` fails

If `pthread_create` fails, `newPin` will never get reset to -1 and process would hang. This change will return from `softPwmCreate` immediately if  `pthread_create` returns a non-zero value and avoid hanging forever.
pull/115/head
Peter Kovary 3 years ago
committed by GitHub
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commit
772e1198dd
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1 changed files with 3 additions and 0 deletions
  1. +3
    -0
      wiringPi/softPwm.c

+ 3
- 0
wiringPi/softPwm.c View File

@@ -153,6 +153,9 @@ int softPwmCreate (int pin, int initialValue, int pwmRange)
newPin = pin ;
res = pthread_create (&myThread, NULL, softPwmThread, (void *)passPin) ;

if (res != 0)
return res ;
while (newPin != -1)
delay (1) ;



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