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| author | Roland McGrath <roland@gnu.org> | 1995-11-18 14:54:01 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1995-11-18 14:54:01 +0000 |
| commit | d3f649ba551ed42b319f11d3207dd5ad1703ca0c (patch) | |
| tree | 28dfcad91b83370220a878ad588d1296cf1644c4 /libports/inhibit-class-rpcs.c | |
| parent | 5636382647c32d771308aaf8d5045d29da6844f3 (diff) | |
| download | hurd-d3f649ba551ed42b319f11d3207dd5ad1703ca0c.tar.gz hurd-d3f649ba551ed42b319f11d3207dd5ad1703ca0c.tar.bz2 hurd-d3f649ba551ed42b319f11d3207dd5ad1703ca0c.zip | |
If calling thread is serving an RPC, don't block waiting for that RPC to
finish.
Diffstat (limited to 'libports/inhibit-class-rpcs.c')
| -rw-r--r-- | libports/inhibit-class-rpcs.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/libports/inhibit-class-rpcs.c b/libports/inhibit-class-rpcs.c index 033d0b11..5b5a602b 100644 --- a/libports/inhibit-class-rpcs.c +++ b/libports/inhibit-class-rpcs.c @@ -1,4 +1,4 @@ -/* +/* Copyright (C) 1995 Free Software Foundation, Inc. Written by Michael I. Bushnell. @@ -27,23 +27,26 @@ ports_inhibit_class_rpcs (struct port_class *class) { struct port_info *pi; struct rpc_info *rpc; - + int this_one; + mutex_lock (&_ports_lock); - + + this_one = 0; for (pi = class->ports; pi; pi = pi->next) for (rpc = pi->current_rpcs; rpc; rpc = rpc->next) - hurd_thread_cancel (rpc->thread); + if (hurd_thread_cancel (rpc->thread) == EINTR) + this_one = 1; - while (class->rpcs) + while (class->rpcs > this_one) { class->flags |= PORT_CLASS_INHIBIT_WAIT; condition_wait (&_ports_block, &_ports_lock); } - + class->flags |= PORT_CLASS_INHIBITED; class->flags &= ~PORT_CLASS_INHIBIT_WAIT; mutex_unlock (&_ports_lock); } - + |