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| author | Flavio Cruz <flaviocruz@gmail.com> | 2023-12-14 01:02:28 -0500 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-12-17 23:48:37 +0100 |
| commit | ad26c25137086b6e001ce1a7f82b4656724200da (patch) | |
| tree | 8704cd695817f20c6419d1d629487f1178634176 /hurd/intr-msg.c | |
| parent | 0b850186fd3177311f10dcb938b668cc750fa3be (diff) | |
| download | glibc-ad26c25137086b6e001ce1a7f82b4656724200da.zip glibc-ad26c25137086b6e001ce1a7f82b4656724200da.tar.gz glibc-ad26c25137086b6e001ce1a7f82b4656724200da.tar.bz2 | |
Update code to handle the new ABI for sending inlined port rights.
For i686, this change is no op but for x86_64 it forces all inlined port
rights to be 8 bytes long.
Diffstat (limited to 'hurd/intr-msg.c')
| -rw-r--r-- | hurd/intr-msg.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/hurd/intr-msg.c b/hurd/intr-msg.c index 24184f8..9912f4f 100644 --- a/hurd/intr-msg.c +++ b/hurd/intr-msg.c @@ -199,6 +199,28 @@ _hurd_intr_rpc_mach_msg (mach_msg_header_t *msg, __vm_deallocate (__mach_task_self (), (vm_address_t) data, length); } + inline void clean_inlined_ports (mach_port_name_inlined_t *ports) + { + mach_msg_type_number_t i; + switch (name) + { + case MACH_MSG_TYPE_MOVE_SEND: + for (i = 0; i < number; i++) + __mach_port_deallocate (__mach_task_self (), ports[i].name); + if (ty->msgtl_header.msgt_longform) + ty->msgtl_name = MACH_MSG_TYPE_COPY_SEND; + else + ty->msgtl_header.msgt_name = MACH_MSG_TYPE_COPY_SEND; + break; + case MACH_MSG_TYPE_COPY_SEND: + case MACH_MSG_TYPE_MOVE_RECEIVE: + break; + default: + if (MACH_MSG_TYPE_PORT_ANY (name)) + assert (! "unexpected port type in interruptible RPC"); + } + } + char *data; if (ty->msgtl_header.msgt_longform) { @@ -215,11 +237,11 @@ _hurd_intr_rpc_mach_msg (mach_msg_header_t *msg, data = (char *) ty + sizeof (mach_msg_type_t); } + /* Calculate length of data in bytes. */ const vm_size_t length = ((number * size) + 7) >> 3; if (ty->msgtl_header.msgt_inline) { - /* Calculate length of data in bytes. */ - clean_ports_and_memory (data, length, 0); + clean_inlined_ports ((mach_port_name_inlined_t *) data); /* Move to the next argument. */ ty = (void *) PTR_ALIGN_UP (data + length, __alignof__ (uintptr_t)); } |