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| author | David Smith <dsmith@redhat.com> | 2010-03-01 15:17:09 -0600 |
|---|---|---|
| committer | David Smith <dsmith@redhat.com> | 2010-03-01 15:17:09 -0600 |
| commit | bfbbb76e5d0294cc1d44f42ab6c2d91149067b6c (patch) | |
| tree | 24bba7fe93496f46cdaa558040c8c3433c4d6510 /tapset-procfs.cxx | |
| parent | 6861e05642c23c569ef34d49bfa3fe83e2badc11 (diff) | |
| download | systemtap-steved-bfbbb76e5d0294cc1d44f42ab6c2d91149067b6c.tar.gz systemtap-steved-bfbbb76e5d0294cc1d44f42ab6c2d91149067b6c.tar.xz systemtap-steved-bfbbb76e5d0294cc1d44f42ab6c2d91149067b6c.zip | |
Fixed PR 11336 by using a wait queue to wait on procfs file availability.
* runtime/procfs-probes.c: Removed old kernel 2.6.16 code. Simplified
_spp_lock macros.
(_stp_proc_open_file): If file is busy, use a wait queue to wait on it
being available.
(_stp_proc_release_file): Decrease open count.
* tapset-procfs.cxx (emit_module_init): Updated procfs probe
initialization/shutdown routine names.
(emit_module_exit): Ditto.
Diffstat (limited to 'tapset-procfs.cxx')
| -rw-r--r-- | tapset-procfs.cxx | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/tapset-procfs.cxx b/tapset-procfs.cxx index aea01a7a..c888ff74 100644 --- a/tapset-procfs.cxx +++ b/tapset-procfs.cxx @@ -373,7 +373,7 @@ procfs_derived_probe_group::emit_module_init (systemtap_session& s) s.op->newline(1) << "probe_point = spp->write_pp;"; s.op->indent(-1); - s.op->newline() << "_spp_lock_init(spp);"; + s.op->newline() << "_spp_init(spp);"; s.op->newline() << "rc = _stp_create_procfs(spp->path, i, &_stp_proc_fops);"; s.op->newline() << "if (rc) {"; @@ -381,7 +381,7 @@ procfs_derived_probe_group::emit_module_init (systemtap_session& s) s.op->newline() << "for (i = 0; i < " << probes_by_path.size() << "; i++) {"; s.op->newline(1) << "spp = &stap_procfs_probes[i];"; - s.op->newline() << "_spp_lock_shutdown(spp);"; + s.op->newline() << "_spp_shutdown(spp);"; s.op->newline(-1) << "}"; s.op->newline() << "break;"; s.op->newline(-1) << "}"; @@ -400,7 +400,7 @@ procfs_derived_probe_group::emit_module_exit (systemtap_session& s) s.op->newline() << "_stp_close_procfs();"; s.op->newline() << "for (i = 0; i < " << probes_by_path.size() << "; i++) {"; s.op->newline(1) << "struct stap_procfs_probe *spp = &stap_procfs_probes[i];"; - s.op->newline() << "_spp_lock_shutdown(spp);"; + s.op->newline() << "_spp_shutdown(spp);"; s.op->newline(-1) << "}"; } |