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2003-08-03  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/pthread/createthread.c (do_clone): Move error handling
	to first syscall error check.  Move syscall error check for tkill
	into __ASSUME_CLONE_STOPPED #ifdef.
This commit is contained in:
Ulrich Drepper 2003-08-04 21:53:09 +00:00
parent f1205aa71f
commit 9c988b83bc
2 changed files with 21 additions and 15 deletions
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6
nptl/ChangeLog
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@ -1,3 +1,9 @@
2003-08-03 Jakub Jelinek <jakub@redhat.com>
* sysdeps/pthread/createthread.c (do_clone): Move error handling
to first syscall error check. Move syscall error check for tkill
into __ASSUME_CLONE_STOPPED #ifdef.
2003-08-02 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/createthread.c (do_clone): If __ASSUME_CLONE_STOPPED

30
nptl/sysdeps/pthread/createthread.c
View File

@ -88,7 +88,20 @@ do_clone (struct pthread *pd, const struct pthread_attr *attr,
sizeof (cpu_set_t), attr->cpuset);
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0))
goto err_out;
{
/* The operation failed. We have to kill the thread. First
send it the cancellation signal. */
INTERNAL_SYSCALL_DECL (err2);
err_out:
(void) INTERNAL_SYSCALL (tkill, err2, 2, pd->tid, SIGCANCEL);
#ifdef __ASSUME_CLONE_STOPPED
/* Then wake it up so that the signal can be processed. */
(void) INTERNAL_SYSCALL (tkill, err2, 2, pd->tid, SIGCONT);
#endif
return INTERNAL_SYSCALL_ERRNO (res, err);
}
}
/* Set the scheduling parameters. */
@ -104,24 +117,11 @@ do_clone (struct pthread *pd, const struct pthread_attr *attr,
#ifdef __ASSUME_CLONE_STOPPED
/* Now start the thread for real. */
res = INTERNAL_SYSCALL (tkill, err, 2, pd->tid, SIGCONT);
#endif
/* If something went wrong, kill the thread. */
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (res, err), 0))
{
/* The operation failed. We have to kill the thread. First
send it the cancellation signal. */
INTERNAL_SYSCALL_DECL (err2);
err_out:
(void) INTERNAL_SYSCALL (tkill, err2, 2, pd->tid, SIGCANCEL);
#ifdef __ASSUME_CLONE_STOPPED
/* Then wake it up so that the signal can be processed. */
(void) INTERNAL_SYSCALL (tkill, err2, 2, pd->tid, SIGCONT);
goto err_out;
#endif
return INTERNAL_SYSCALL_ERRNO (res, err);
}
}
/* We now have for sure more than one thread. The main thread might