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add threaddaemonize(), more bug fixes

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rsc 2004-12-28 01:35:38 +00:00
parent 929fcfe0e3
commit 2c87dda8f8
7 changed files with 56 additions and 14 deletions
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19
src/libthread/Linux.c
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@ -8,6 +8,9 @@
#include "thread.h"
#include "threadimpl.h"
int ngetpid;
/*
* spin locks
*/
@ -99,15 +102,12 @@ again:
sigdelset(&mask, SIGUSR1);
sigsuspend(&mask);
//print("%d %d awake again\n", time(0), getpid());
/*
* We're awake. Make USR1 not interrupt system calls.
*/
lock(r->l);
ignusr1(1);
if(r->asleep && r->pid == getpid()){
//print("resleep %d\n", getpid());
/* Didn't really wake up - signal from something else */
goto again;
}
@ -160,11 +160,15 @@ dofreestacks(void)
next = sf->next;
if(sf->pid >= 1 && kill(sf->pid, 0) < 0 && errno == ESRCH){
free(sf);
last->next = next;
if(last)
last->next = next;
else
stackfree = next;
sf = last;
}
}
}
unlock(&stacklock);
}
static int
startprocfn(void *v)
@ -240,7 +244,7 @@ static char *threadexitsmsg;
void
sigusr2handler(int s)
{
print("%d usr2 %d\n", time(0), getpid());
/* fprint(2, "%d usr2 %d\n", time(0), getpid()); */
if(threadexitsmsg)
_exits(threadexitsmsg);
}
@ -341,7 +345,8 @@ _threadsetproc(Proc *p)
{
Perproc *pp;
p->osprocid = getpid();
if(p)
p->osprocid = getpid();
pp = newperproc();
pp->proc = p;
if(p == nil)