libs/newlib-cygwin
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newlib-cygwin
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* fork.cc (frok::child): Change order of cleanup prior to return. 

(fork): Save more of the stack.
* gendef: Fix some comments.
* sigproc.cc (wait_sig): Clarify debug output.
This commit is contained in:
Christopher Faylor 2005-10-29 15:19:34 +00:00
parent c85263884a
commit f02b22dcee
4 changed files with 18 additions and 7 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2005-10-29 Christopher Faylor <cgf@timesys.com>
* fork.cc (frok::child): Change order of cleanup prior to return.
(fork): Save more of the stack.
* gendef: Fix some comments.
* sigproc.cc (wait_sig): Clarify debug output.
2005-10-29 Christopher Faylor <cgf@timesys.com> 2005-10-29 Christopher Faylor <cgf@timesys.com>
* child_info.h (CHILD_INFO_MAGIC): Reset. * child_info.h (CHILD_INFO_MAGIC): Reset.

10
winsup/cygwin/fork.cc
View File

@ -244,15 +244,15 @@ frok::child (void *)
ForceCloseHandle1 (fork_info->forker_finished, forker_finished); ForceCloseHandle1 (fork_info->forker_finished, forker_finished);
_my_tls.fixup_after_fork ();
sigproc_init (); sigproc_init ();
pthread::atforkchild (); pthread::atforkchild ();
fixup_timers_after_fork (); fixup_timers_after_fork ();
fixup_hooks_after_fork ();
cygbench ("fork-child"); cygbench ("fork-child");
ld_preload (); ld_preload ();
fixup_hooks_after_fork ();
cygwin_finished_initializing = true; cygwin_finished_initializing = true;
_my_tls.fixup_after_fork ();
return 0; return 0;
} }
@ -562,7 +562,10 @@ fork ()
grouped.first_dll = NULL; grouped.first_dll = NULL;
grouped.load_dlls = 0; grouped.load_dlls = 0;
int res;
void *esp; void *esp;
int ischild;
__asm__ volatile ("movl %%esp,%0": "=r" (esp)); __asm__ volatile ("movl %%esp,%0": "=r" (esp));
myself->set_has_pgid_children (); myself->set_has_pgid_children ();
@ -576,8 +579,7 @@ fork ()
} }
sig_send (NULL, __SIGHOLD); sig_send (NULL, __SIGHOLD);
int res; ischild = setjmp (grouped.ch.jmp);
int ischild = setjmp (grouped.ch.jmp);
if (!ischild) if (!ischild)
res = grouped.parent (esp); res = grouped.parent (esp);
else else

4
winsup/cygwin/gendef
View File

@ -114,7 +114,7 @@ __sigfe:
.global __sigbe .global __sigbe
.stabs "_sigbe:F(0,1)",36,0,0,__sigbe .stabs "_sigbe:F(0,1)",36,0,0,__sigbe
__sigbe: # return here after cygwin syscall __sigbe: # return here after cygwin syscall
pushl %edx pushl %edx
pushl %ebx pushl %ebx
pushl %eax # don't clobber pushl %eax # don't clobber
@ -131,7 +131,7 @@ __sigbe: # return here after cygwin syscall
xadd %eax,$tls::stackptr(%ebx) # and get pointer xadd %eax,$tls::stackptr(%ebx) # and get pointer
xorl %edx,%edx xorl %edx,%edx
xchgl %edx,-4(%eax) # get return address from signal stack xchgl %edx,-4(%eax) # get return address from signal stack
xchgl %edx,8(%esp) # restore ebx/real return address xchgl %edx,8(%esp) # restore edx/real return address
decl $tls::incyg(%ebx) decl $tls::incyg(%ebx)
decl $tls::stacklock(%ebx) # release lock decl $tls::stacklock(%ebx) # release lock
popl %eax popl %eax

2
winsup/cygwin/sigproc.cc
View File

@ -1175,8 +1175,8 @@ wait_sig (VOID *)
proc_subproc (PROC_CLEARWAIT, 0); proc_subproc (PROC_CLEARWAIT, 0);
if (pack.wakeup) if (pack.wakeup)
{ {
sigproc_printf ("signalling pack.wakeup %p", pack.wakeup);
SetEvent (pack.wakeup); SetEvent (pack.wakeup);
sigproc_printf ("signalled %p", pack.wakeup);
} }
if (pack.si.si_signo == __SIGEXIT) if (pack.si.si_signo == __SIGEXIT)
break; break;