mirror of
https://github.com/xzeldon/htop.git
synced 2024-12-23 22:55:46 +00:00
Properly query sysconf settting and use NAN if unavailable
This also fixes an issue with time returned negative if sysconf(_SC_CLK_TCK) returned an error.
This commit is contained in:
parent
29ec115143
commit
d0d3deb73c
@ -219,10 +219,18 @@ void ProcessList_delete(ProcessList* pl) {
|
||||
free(this);
|
||||
}
|
||||
|
||||
static double jiffy = 0.0;
|
||||
static double jiffy = NAN;
|
||||
|
||||
static inline unsigned long long LinuxProcess_adjustTime(unsigned long long t) {
|
||||
if(jiffy == 0.0) jiffy = sysconf(_SC_CLK_TCK);
|
||||
if(isnan(jiffy)) {
|
||||
errno = 0;
|
||||
long sc_jiffy = sysconf(_SC_CLK_TCK);
|
||||
if(errno || -1 == sc_jiffy) {
|
||||
jiffy = NAN;
|
||||
return t; // Assume 100Hz clock
|
||||
}
|
||||
jiffy = sc_jiffy;
|
||||
}
|
||||
double jiffytime = 1.0 / jiffy;
|
||||
return (unsigned long long) t * jiffytime * 100;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user