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authorRoland McGrath <roland@gnu.org>1995-11-18 10:00:22 +0000
committerRoland McGrath <roland@gnu.org>1995-11-18 10:00:22 +0000
commita5a81fecc7194d050066265a15b1ba8bc3abc627 (patch)
treee4e3c1160fd41254b48678f71ece829b19dfb3dd
parent4cb202902d23b3c487016e516c70640c774b90d8 (diff)
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Fri Nov 17 17:57:00 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>cvs/libc-951119cvs/libc-951118
* sysdeps/generic/Makefile (make_siglist): Add missing backslash. * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start_cleanup): New function. * hurd/hurdfault.c: Replace __libc_fatal calls with assert_perror. (_hurdsig_fault_init): Remove #if 0 from setting exception port. Insert send right for SIGEXC before thread_set_special_port. * hurd/hurdsig.c: Replace __libc_fatal calls with assert_perror. (_hurdsig_init): Remove #if 0 from setting exception port. * sysdeps/mach/hurd/ptrace.c (ptrace: PTRACE_CONT): Use HURD_MSGPORT_RPC macro.
-rw-r--r--ChangeLog16
-rw-r--r--hurd/hurdfault.c45
-rw-r--r--hurd/hurdsig.c38
-rw-r--r--sysdeps/generic/Makefile2
-rw-r--r--sysdeps/generic/dl-sysdep.c5
-rw-r--r--sysdeps/mach/hurd/ptrace.c19
6 files changed, 74 insertions, 51 deletions
diff --git a/ChangeLog b/ChangeLog
index 568a955..207253f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,19 @@
+Fri Nov 17 17:57:00 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
+
+ * sysdeps/generic/Makefile (make_siglist): Add missing backslash.
+
+ * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start_cleanup): New
+ function.
+
+ * hurd/hurdfault.c: Replace __libc_fatal calls with assert_perror.
+ (_hurdsig_fault_init): Remove #if 0 from setting exception port.
+ Insert send right for SIGEXC before thread_set_special_port.
+ * hurd/hurdsig.c: Replace __libc_fatal calls with assert_perror.
+ (_hurdsig_init): Remove #if 0 from setting exception port.
+
+ * sysdeps/mach/hurd/ptrace.c (ptrace: PTRACE_CONT): Use
+ HURD_MSGPORT_RPC macro.
+
Thu Nov 16 06:07:49 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start_cleanup): New
diff --git a/hurd/hurdfault.c b/hurd/hurdfault.c
index e8b5466..e1f8c19 100644
--- a/hurd/hurdfault.c
+++ b/hurd/hurdfault.c
@@ -1,5 +1,5 @@
/* Handle faults in the signal thread.
-Copyright (C) 1994 Free Software Foundation, Inc.
+Copyright (C) 1994, 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -114,30 +114,33 @@ _hurdsig_fault_init (void)
struct machine_thread_state state;
mach_port_t sigexc;
- if (err = __mach_port_allocate (__mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE, &sigexc))
- __libc_fatal ("hurd: Can't create receive right for signal thread exc\n");
- if (err = __mach_port_allocate (__mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE, &forward_sigexc))
- __libc_fatal ("hurd: Can't create receive right for signal thread exc\n");
+ err = __mach_port_allocate (__mach_task_self (),
+ MACH_PORT_RIGHT_RECEIVE, &sigexc);
+ assert_perror (err);
+ err = __mach_port_allocate (__mach_task_self (),
+ MACH_PORT_RIGHT_RECEIVE, &forward_sigexc);
+ assert_perror (err);
+
+ err = __mach_port_insert_right (__mach_task_self (),
+ sigexc, MACH_MSG_TYPE_MAKE_SEND);
+ assert_perror (err);
+ err = __thread_set_special_port (_hurd_msgport_thread,
+ THREAD_EXCEPTION_PORT, sigexc);
+ __mach_port_deallocate (__mach_task_self (), sigexc);
+ assert_perror (err);
memset (&state, 0, sizeof state);
MACHINE_THREAD_STATE_SET_PC (&state, faulted);
MACHINE_THREAD_STATE_SET_SP (&state, faultstack, sizeof faultstack);
-#if 0 /* Don't confuse gdb. */
- __thread_set_special_port (_hurd_msgport_thread,
- THREAD_EXCEPTION_PORT, sigexc);
-#endif
-
- if (err = __USEPORT
- (PROC,
- __proc_handle_exceptions (port,
- sigexc,
- forward_sigexc, MACH_MSG_TYPE_MAKE_SEND,
- MACHINE_THREAD_STATE_FLAVOR,
- (natural_t *) &state,
- MACHINE_THREAD_STATE_COUNT)))
- __libc_fatal ("hurd: proc won't handle signal thread exceptions\n");
+ err = __USEPORT
+ (PROC,
+ __proc_handle_exceptions (port,
+ sigexc,
+ forward_sigexc, MACH_MSG_TYPE_MAKE_SEND,
+ MACHINE_THREAD_STATE_FLAVOR,
+ (natural_t *) &state,
+ MACHINE_THREAD_STATE_COUNT));
+ assert_perror (err);
}
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 68be2e9..13ffb71 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -1113,17 +1113,17 @@ _hurdsig_init (void)
__mutex_init (&_hurd_siglock);
- if (err = __mach_port_allocate (__mach_task_self (),
- MACH_PORT_RIGHT_RECEIVE,
- &_hurd_msgport))
- __libc_fatal ("hurd: Can't create message port receive right\n");
+ err = __mach_port_allocate (__mach_task_self (),
+ MACH_PORT_RIGHT_RECEIVE,
+ &_hurd_msgport);
+ assert_perror (err);
/* Make a send right to the signal port. */
- if (err = __mach_port_insert_right (__mach_task_self (),
- _hurd_msgport,
- _hurd_msgport,
- MACH_MSG_TYPE_MAKE_SEND))
- __libc_fatal ("hurd: Can't create send right to message port\n");
+ err = __mach_port_insert_right (__mach_task_self (),
+ _hurd_msgport,
+ _hurd_msgport,
+ MACH_MSG_TYPE_MAKE_SEND);
+ assert_perror (err);
/* Set the default thread to receive task-global signals
to this one, the main (first) user thread. */
@@ -1131,15 +1131,15 @@ _hurdsig_init (void)
/* Start the signal thread listening on the message port. */
- if (err = __thread_create (__mach_task_self (), &_hurd_msgport_thread))
- __libc_fatal ("hurd: Can't create signal thread\n");
+ err = __thread_create (__mach_task_self (), &_hurd_msgport_thread);
+ assert_perror (err);
stacksize = __vm_page_size * 4; /* Small stack for signal thread. */
- if (err = __mach_setup_thread (__mach_task_self (), _hurd_msgport_thread,
- _hurd_msgport_receive,
- (vm_address_t *) &__hurd_sigthread_stack_base,
- &stacksize))
- __libc_fatal ("hurd: Can't setup signal thread\n");
+ err = __mach_setup_thread (__mach_task_self (), _hurd_msgport_thread,
+ _hurd_msgport_receive,
+ (vm_address_t *) &__hurd_sigthread_stack_base,
+ &stacksize);
+ assert_perror (err);
__hurd_sigthread_stack_end = __hurd_sigthread_stack_base + stacksize;
__hurd_sigthread_variables =
@@ -1151,14 +1151,12 @@ _hurdsig_init (void)
variable for the cached reply port. */
__mig_init ((void *) __hurd_sigthread_stack_base);
- if (err = __thread_resume (_hurd_msgport_thread))
- __libc_fatal ("hurd: Can't resume signal thread\n");
+ err = __thread_resume (_hurd_msgport_thread);
+ assert_perror (err);
-#if 0 /* Don't confuse poor gdb. */
/* Receive exceptions on the signal port. */
__task_set_special_port (__mach_task_self (),
TASK_EXCEPTION_PORT, _hurd_msgport);
-#endif
}
/* XXXX */
/* Reauthenticate with the proc server. */
diff --git a/sysdeps/generic/Makefile b/sysdeps/generic/Makefile
index dc31a50..9dfc82c 100644
--- a/sysdeps/generic/Makefile
+++ b/sysdeps/generic/Makefile
@@ -52,7 +52,7 @@ $(objpfx)siglist.c: $(objpfx)make_siglist
mv $@-tmp $@
$(objpfx)make_siglist: $(sysdep_dir)/generic/make_siglist.c
- $(native-compile)
+ $(native-compile) \
-DSIGNUM_H=\"`cd $(dir $(firstword $(wildcard \
$(+sysdep_dirs:%=%/signum.h)))); pwd`/signum.h\"
diff --git a/sysdeps/generic/dl-sysdep.c b/sysdeps/generic/dl-sysdep.c
index b7b895f..4937976 100644
--- a/sysdeps/generic/dl-sysdep.c
+++ b/sysdeps/generic/dl-sysdep.c
@@ -80,6 +80,11 @@ _dl_sysdep_start (void **start_argptr,
return user_entry;
}
+void
+_dl_sysdep_start_cleanup (void)
+{
+}
+
int
_dl_sysdep_open_zero_fill (void)
{
diff --git a/sysdeps/mach/hurd/ptrace.c b/sysdeps/mach/hurd/ptrace.c
index 90fd764..f68d3b4 100644
--- a/sysdeps/mach/hurd/ptrace.c
+++ b/sysdeps/mach/hurd/ptrace.c
@@ -106,17 +106,15 @@ ptrace (enum __ptrace_request request, ... )
{
/* Send a DATA signal to PID, telling it to take the signal
normally even if it's traced. */
- error_t err; task_t task = __pid2task (pid);
+ error_t err;
+ task_t task = __pid2task (pid);
if (task == MACH_PORT_NULL)
return -1;
if (data == SIGKILL)
err = __task_terminate (task);
else
{
- mach_port_t msgport;
- err = __USEPORT (PROC, __proc_getmsgport (port, pid, &msgport));
-
- if (!err && addr != (void *) 1)
+ if (addr != (void *) 1)
{
/* Move the user thread's PC to ADDR. */
thread_t thread;
@@ -135,15 +133,18 @@ ptrace (enum __ptrace_request request, ... )
MACHINE_THREAD_STATE_FLAVOR,
(natural_t *) &state, count);
}
-
+
}
__mach_port_deallocate (__mach_task_self (), thread);
}
+ else
+ err = 0;
if (! err)
/* Tell the process to take the signal (or just resume if 0). */
- err = __msg_sig_post_untraced (msgport, data, task);
- __mach_port_deallocate (__mach_task_self (), msgport);
+ err = HURD_MSGPORT_RPC
+ (__USEPORT (PROC, __proc_getmsgport (port, pid, &msgport)),
+ 0, 0, __msg_sig_post_untraced (msgport, data, task));
}
__mach_port_deallocate (__mach_task_self (), task);
return err ? __hurd_fail (err) : 0;
@@ -201,7 +202,7 @@ ptrace (enum __ptrace_request request, ... )
}
__mach_port_deallocate (__mach_task_self (), task);
return err ? __hurd_fail (err) : 0;
- }
+ }
case PTRACE_PEEKTEXT:
case PTRACE_PEEKDATA: