diff options
Diffstat (limited to 'debian/patches/introspection0005-libdiskfs-annotate-objects-managed-by-libports.patch')
| -rw-r--r-- | debian/patches/introspection0005-libdiskfs-annotate-objects-managed-by-libports.patch | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/debian/patches/introspection0005-libdiskfs-annotate-objects-managed-by-libports.patch b/debian/patches/introspection0005-libdiskfs-annotate-objects-managed-by-libports.patch new file mode 100644 index 00000000..7acfdce1 --- /dev/null +++ b/debian/patches/introspection0005-libdiskfs-annotate-objects-managed-by-libports.patch @@ -0,0 +1,107 @@ +From 6dbe40b85ddfbe96fd5582a3d077f46b4aff8212 Mon Sep 17 00:00:00 2001 +From: Justus Winter <4winter@informatik.uni-hamburg.de> +Date: Wed, 21 May 2014 18:17:33 +0200 +Subject: [PATCH hurd 5/8] libdiskfs: annotate objects managed by libports + +Label all port classes and diskfs_port_bucket. Provide +diskfs_format_debug_info which prints a human-readable description of +a protid object, which notably includes the path and the inode number. + +* libdiskfs/diskfs.h (diskfs_format_debug_info): New declaration. +* libdiskfs/init-init.c (diskfs_format_debug_info): New function. +(diskfs_init_diskfs): Add annotations to classes and bucket. +--- + libdiskfs/diskfs.h | 8 ++++++++ + libdiskfs/init-init.c | 41 ++++++++++++++++++++++++++++++++++++----- + 2 files changed, 44 insertions(+), 5 deletions(-) + +diff --git a/libdiskfs/diskfs.h b/libdiskfs/diskfs.h +index 11fb0ad..c2f97ad 100644 +--- a/libdiskfs/diskfs.h ++++ b/libdiskfs/diskfs.h +@@ -591,6 +591,14 @@ error_t (*diskfs_read_symlink_hook)(struct node *np, char *target); + default function always returns EOPNOTSUPP. */ + error_t diskfs_get_source (struct protid *cred, + char *source, size_t source_len); ++ ++/* The user may define this function. The function must provide a ++ human-readable description of PROTID in BUFFER of size SIZE. The ++ default implementation generates a reasonable amount of ++ information. */ ++error_t diskfs_format_debug_info (const void *protid, ++ char *buffer, size_t size); ++ + + /* Libdiskfs contains a node cache. + +diff --git a/libdiskfs/init-init.c b/libdiskfs/init-init.c +index 357960b..07714f0 100644 +--- a/libdiskfs/init-init.c ++++ b/libdiskfs/init-init.c +@@ -24,6 +24,7 @@ + #include <hurd/fsys.h> + #include <stdio.h> + #include <maptime.h> ++#include <inttypes.h> + + /* For safe inlining of diskfs_node_disknode and + diskfs_disknode_node. */ +@@ -52,6 +53,29 @@ struct port_class *diskfs_shutdown_notification_class; + + struct port_bucket *diskfs_port_bucket; + ++/* Provide a human-readable description of the given protid object. */ ++error_t ++diskfs_format_debug_info (const void *port, char *buffer, size_t size) ++{ ++ const struct protid *protid = port; ++ const struct port_info *pi = port; ++ struct references references; ++ ++ refcounts_references (&protid->po->np->refcounts, &references); ++ ++ snprintf (buffer, size, ++ "bucket: %s, class: %s" ++ ", node{inode: %"PRIu64", hard: %u, weak: %u}, path: %s", ++ pi->bucket->label, ++ pi->class->label, ++ protid->po->np->cache_id, ++ references.hard, ++ references.weak, ++ protid->po->path); ++ ++ return 0; ++} ++ + /* Call this after arguments have been parsed to initialize the + library. */ + error_t +@@ -87,13 +111,20 @@ diskfs_init_diskfs (void) + + diskfs_auth_server_port = getauth (); + +- diskfs_protid_class = ports_create_class (diskfs_protid_rele, 0); +- diskfs_control_class = ports_create_class (_diskfs_control_clean, 0); +- diskfs_initboot_class = ports_create_class (0, 0); +- diskfs_execboot_class = ports_create_class (0, 0); +- diskfs_shutdown_notification_class = ports_create_class (0, 0); ++#define MAKE_CLASS(NAME, FN, ARG, DBG) \ ++ NAME = ports_create_class ((FN), (ARG)); \ ++ ports_label_class (NAME, #NAME, (DBG)) ++ ++ MAKE_CLASS (diskfs_protid_class, diskfs_protid_rele, NULL, ++ diskfs_format_debug_info); ++ MAKE_CLASS (diskfs_control_class, _diskfs_control_clean, NULL, NULL); ++ MAKE_CLASS (diskfs_initboot_class, NULL, NULL, NULL); ++ MAKE_CLASS (diskfs_execboot_class, NULL, NULL, NULL); ++ MAKE_CLASS (diskfs_shutdown_notification_class, NULL, NULL, NULL); ++#undef MAKE_CLASS + + diskfs_port_bucket = ports_create_bucket (); ++ ports_label_bucket (diskfs_port_bucket, "diskfs_port_bucket"); + + _hurd_port_init (&_diskfs_exec_portcell, MACH_PORT_NULL); + +-- +2.1.4 + |