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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-01-27 21:40:08 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-01-27 21:40:08 +0100 |
| commit | 7dab2d00ee6098e6a771a3a566c71a614ef18bb2 (patch) | |
| tree | 7e773f15039c5564c732e47f65af02a12d55f4c0 | |
| parent | 903d3633ec9e9ffe699611351200bebaf2152bd8 (diff) | |
| download | glibc-7dab2d00ee6098e6a771a3a566c71a614ef18bb2.zip glibc-7dab2d00ee6098e6a771a3a566c71a614ef18bb2.tar.gz glibc-7dab2d00ee6098e6a771a3a566c71a614ef18bb2.tar.bz2 | |
hurd: drop elder MACH_IPC_COMPAT handling
This was dropped from GNU Mach in 2006.
* mach/Machrules (MIGFLAGS): Do not set -DMACH_IPC_COMPAT=0.
* mach/mach/mach_traps.h: Drop comment about MACH_IPC_COMPAT.
* sysdeps/mach/hurd/fork.c (__fork): Drop special casing
MACH_IPC_COMPAT.
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | mach/Machrules | 2 | ||||
| -rw-r--r-- | mach/mach/mach_traps.h | 3 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/fork.c | 35 |
4 files changed, 9 insertions, 35 deletions
@@ -21,6 +21,10 @@ --disable-libcilkrts to gcc configure. * sysdeps/mach/hurd/Makefile [$(subdir)==nis]: Add -DUSE_BINDINGDIR=1 to CFLAGS-ypclnt.c. + * mach/Machrules (MIGFLAGS): Do not set -DMACH_IPC_COMPAT=0. + * mach/mach/mach_traps.h: Drop comment about MACH_IPC_COMPAT. + * sysdeps/mach/hurd/fork.c (__fork): Drop special casing + MACH_IPC_COMPAT. 2018-01-27 James Clarke <jrtc27@jrtc27.com> diff --git a/mach/Machrules b/mach/Machrules index 49e6399..4f9ec42 100644 --- a/mach/Machrules +++ b/mach/Machrules @@ -51,7 +51,7 @@ $(objpfx)dummy.mk: $(make-target-directory) echo '# Empty' > $@ -MIGFLAGS = -DMACH_IPC_COMPAT=0 -DSTANDALONE -DTypeCheck=0 \ +MIGFLAGS = -DSTANDALONE -DTypeCheck=0 \ $(+includes) $(migdefines) -subrprefix __ # Putting CC in the enivronment makes the mig wrapper script # use the same compiler setup we are using to run cpp. diff --git a/mach/mach/mach_traps.h b/mach/mach/mach_traps.h index 5e09a95..cefbd2d 100644 --- a/mach/mach/mach_traps.h +++ b/mach/mach/mach_traps.h @@ -17,8 +17,7 @@ /* Declare the few Mach system calls (except mach_msg, in <mach/message.h>). This does not include the kernel RPC shortcut calls (in <mach-shortcuts.h>). - - This file omits the MACH_IPC_COMPAT functions. */ + */ #ifndef _MACH_MACH_TRAPS_H diff --git a/sysdeps/mach/hurd/fork.c b/sysdeps/mach/hurd/fork.c index fe3f544..b55eecf 100644 --- a/sysdeps/mach/hurd/fork.c +++ b/sysdeps/mach/hurd/fork.c @@ -213,38 +213,9 @@ __fork (void) { /* This is a receive right. We want to give the child task its own new receive right under the same name. */ - err = __mach_port_allocate_name (newtask, - MACH_PORT_RIGHT_RECEIVE, - portnames[i]); - if (err == KERN_NAME_EXISTS) - { - /* It already has a right under this name (?!). Well, - there is this bizarre old Mach IPC feature (in #ifdef - MACH_IPC_COMPAT in the ukernel) which results in new - tasks getting a new receive right for task special - port number 2. What else might be going on I'm not - sure. So let's check. */ -#if !MACH_IPC_COMPAT -#define TASK_NOTIFY_PORT 2 -#endif - assert (({ mach_port_t thisport, notify_port; - mach_msg_type_name_t poly; - (__task_get_special_port (newtask, - TASK_NOTIFY_PORT, - ¬ify_port) == 0 && - __mach_port_extract_right - (newtask, - portnames[i], - MACH_MSG_TYPE_MAKE_SEND, - &thisport, &poly) == 0 && - (thisport == notify_port) && - __mach_port_deallocate (__mach_task_self (), - thisport) == 0 && - __mach_port_deallocate (__mach_task_self (), - notify_port) == 0); - })); - } - else if (err) + if (err = __mach_port_allocate_name (newtask, + MACH_PORT_RIGHT_RECEIVE, + portnames[i])) LOSE; if (porttypes[i] & MACH_PORT_TYPE_SEND) { |