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Limit threads clock resolution to no less than 1000usec (1000Hz).

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PR:		25300
Submitted by:	Tom Pavel <pavel@alum.mit.edu> (in part)
This commit is contained in:
Daniel Eischen 2001-02-26 01:05:33 +00:00
parent a68886ad51
commit c6f2aed102
6 changed files with 9 additions and 3 deletions
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1
lib/libc_r/uthread/pthread_private.h
View file

@ -459,6 +459,7 @@ enum pthread_susp {
* Clock resolution in microseconds.
*/
#define CLOCK_RES_USEC 10000
#define CLOCK_RES_USEC_MIN 1000
/*
* Time slice period in microseconds.

3
lib/libc_r/uthread/uthread_init.c
View file

@ -414,7 +414,8 @@ _thread_init(void)
mib[1] = KERN_CLOCKRATE;
len = sizeof (struct clockinfo);
if (sysctl(mib, 2, &clockinfo, &len, NULL, 0) == 0)
_clock_res_usec = clockinfo.tick;
_clock_res_usec = clockinfo.tick > CLOCK_RES_USEC_MIN ?
clockinfo.tick : CLOCK_RES_USEC_MIN;
/* Get the table size: */
if ((_thread_dtablesize = getdtablesize()) < 0) {

3
lib/libkse/thread/thr_init.c
View file

@ -414,7 +414,8 @@ _thread_init(void)
mib[1] = KERN_CLOCKRATE;
len = sizeof (struct clockinfo);
if (sysctl(mib, 2, &clockinfo, &len, NULL, 0) == 0)
_clock_res_usec = clockinfo.tick;
_clock_res_usec = clockinfo.tick > CLOCK_RES_USEC_MIN ?
clockinfo.tick : CLOCK_RES_USEC_MIN;
/* Get the table size: */
if ((_thread_dtablesize = getdtablesize()) < 0) {

1
lib/libkse/thread/thr_private.h
View file

@ -459,6 +459,7 @@ enum pthread_susp {
* Clock resolution in microseconds.
*/
#define CLOCK_RES_USEC 10000
#define CLOCK_RES_USEC_MIN 1000
/*
* Time slice period in microseconds.

3
lib/libpthread/thread/thr_init.c
View file

@ -414,7 +414,8 @@ _thread_init(void)
mib[1] = KERN_CLOCKRATE;
len = sizeof (struct clockinfo);
if (sysctl(mib, 2, &clockinfo, &len, NULL, 0) == 0)
_clock_res_usec = clockinfo.tick;
_clock_res_usec = clockinfo.tick > CLOCK_RES_USEC_MIN ?
clockinfo.tick : CLOCK_RES_USEC_MIN;
/* Get the table size: */
if ((_thread_dtablesize = getdtablesize()) < 0) {

1
lib/libpthread/thread/thr_private.h
View file

@ -459,6 +459,7 @@ enum pthread_susp {
* Clock resolution in microseconds.
*/
#define CLOCK_RES_USEC 10000
#define CLOCK_RES_USEC_MIN 1000
/*
* Time slice period in microseconds.