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paranoia

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rsc 2005-01-11 21:28:00 +00:00
parent e9dbe11dbf
commit 37cc72d323
2 changed files with 17 additions and 2 deletions
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10
src/libthread/daemonize.c
View file

@ -38,7 +38,15 @@ child(void)
raise(WTERMSIG(status));
_exit(98); /* not reached */
}
fprint(2, "%s: wait pid %d status 0x%ux\n", pid, status);
if(WIFSTOPPED(status)){
fprint(2, "%s: wait pid %d stopped\n", argv0, pid);
return;
}
if(WIFCONTINUED(status)){
fprint(2, "%s: wait pid %d continued\n", argv0, pid);
return;
}
fprint(2, "%s: wait pid %d status 0x%ux\n", argv0, pid, status);
_exit(99);
}

9
src/libthread/thread.c
View file

@ -112,12 +112,19 @@ threadalloc(void (*fn)(void*), void *arg, uint stack)
sigprocmask(SIG_BLOCK, &zero, &t->context.uc.uc_sigmask);
/* must initialize with current context */
getcontext(&t->context.uc);
if(getcontext(&t->context.uc) < 0)
sysfatal("threadalloc getcontext: %r");
/* call makecontext to do the real work. */
/* leave a few words open on both ends */
t->context.uc.uc_stack.ss_sp = t->stk+8;
t->context.uc.uc_stack.ss_size = t->stksize-64;
#ifdef __sun__ /* sigh */
/* can avoid this with __MAKECONTEXT_V2_SOURCE but only on SunOS 5.9 */
t->context.uc_stack.ss_sp =
(char*)t->context.uc_stack.ss_sp
+t->context.uc_stack.ss_size;
#endif
makecontext(&t->context.uc, (void(*)())threadstart, 1, t);
return t;