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o Remove more references to SIGTHR

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o Remove clock resolution information left over from libc_r
This commit is contained in:
Mike Makonnen 2004-03-29 05:45:01 +00:00
parent c46bb4b3ff
commit 0465e53d8c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=127556
2 changed files with 0 additions and 58 deletions
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51
lib/libthr/thread/thr_init.c
View File

@ -66,14 +66,6 @@
#include "thr_private.h"
/*
* Early implementations of sigtimedwait interpreted the signal
* set incorrectly.
*/
#define SIGTIMEDWAIT_SET_IS_INVERTED(osreldate) \
((500100 <= (osreldate) && (osreldate) <= 500113) || \
(osreldate) == 501000 || (osreldate) == 501100)
extern void _thread_init_hack(void);
/*
@ -252,13 +244,8 @@ _thread_init(void)
int i;
size_t len;
int mib[2];
sigset_t set;
int osreldate;
int error;
struct clockinfo clockinfo;
struct sigaction act;
/* Check if this function has already been called: */
if (_thread_initial)
/* Only initialise the threaded application once. */
@ -362,44 +349,6 @@ _thread_init(void)
&_thread_sigact[i - 1]) != 0)
PANIC("Cannot read signal handler info");
}
act.sa_sigaction = _thread_sig_wrapper;
act.sa_flags = SA_SIGINFO;
SIGFILLSET(act.sa_mask);
if (__sys_sigaction(SIGTHR, &act, NULL))
PANIC("Cannot set SIGTHR handler.\n");
SIGEMPTYSET(set);
SIGADDSET(set, SIGTHR);
__sys_sigprocmask(SIG_BLOCK, &set, 0);
/*
* Precompute the signal set used by _thread_suspend to wait
* for SIGTHR.
*/
mib[0] = CTL_KERN;
mib[1] = KERN_OSRELDATE;
len = sizeof(osreldate);
if (sysctl(mib, 2, &osreldate, &len, NULL, 0) == 0 &&
SIGTIMEDWAIT_SET_IS_INVERTED(osreldate)) {
/* Kernel bug requires an inverted signal set. */
SIGFILLSET(_thread_suspend_sigset);
SIGDELSET(_thread_suspend_sigset, SIGTHR);
} else {
SIGEMPTYSET(_thread_suspend_sigset);
SIGADDSET(_thread_suspend_sigset, SIGTHR);
}
#ifdef _PTHREADS_INVARIANTS
SIGADDSET(_thread_suspend_sigset, SIGALRM);
#endif
/* Get the kernel clockrate: */
mib[0] = CTL_KERN;
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_MIN ?
clockinfo.tick : CLOCK_RES_USEC_MIN;
}
/*

7
lib/libthr/thread/thr_private.h
View File

@ -712,13 +712,6 @@ SCLASS struct pthread_cond_attr pthread_condattr_default
;
#endif
SCLASS int _clock_res_usec /* Clock resolution in usec. */
#ifdef GLOBAL_PTHREAD_PRIVATE
= CLOCK_RES_USEC;
#else
;
#endif
/*
* Array of signal actions for this process.
*/