From 3907bbbcfb806799a5349e46a2b804307a0e9836 Mon Sep 17 00:00:00 2001 From: Jeremie Koenig Date: Tue, 17 Aug 2010 12:49:33 +0000 Subject: Add the list of processes as a directory * proclist.h, proclist.c: New files. * main.c: Add a proclist directory based on them. * Makefile: Include the proclist module. --- proclist.h | 2 ++ 1 file changed, 2 insertions(+) create mode 100644 proclist.h (limited to 'proclist.h') diff --git a/proclist.h b/proclist.h new file mode 100644 index 00000000..a766d50e --- /dev/null +++ b/proclist.h @@ -0,0 +1,2 @@ +#include +struct node *proclist_make_node (process_t process); -- cgit v1.2.3 From 1f1661d6a5b6f22acb48460b5304e29af2a0a554 Mon Sep 17 00:00:00 2001 From: Jeremie Koenig Date: Sat, 21 Aug 2010 09:26:09 +0000 Subject: Use libps and enhance [pid]/stat * Makefile: Add libps to the $(LIBS). * proclist.c, proclist.h: Embed the proc server port in a ps_context structure. (proclist_make_node): Change to prototype to allow for the possibility of error. Rename to proclist_create_node to reflect the change and non-triviality. * process.c, process.h: Revamp. Use a full-blown procstat structure instead of just the procinfo fetched from the process server. Use the additional data to complement [pid]/stat. (process_lookup_pid): Get a ps_context structure instead of a port to the process server. * main.c (root_make_node): Convert to the new interface for proclist_create_node. --- Makefile | 2 +- main.c | 7 +- process.c | 267 ++++++++++++++++++++++++++++++++----------------------------- process.h | 8 +- procfs.c | 2 +- proclist.c | 35 ++++---- proclist.h | 2 +- 7 files changed, 164 insertions(+), 159 deletions(-) (limited to 'proclist.h') diff --git a/Makefile b/Makefile index 97a61ed4..48013f95 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ TARGET = procfs OBJS = procfs.o netfs.o procfs_file.o procfs_dir.o \ process.o proclist.o dircat.o main.o -LIBS = -lnetfs +LIBS = -lnetfs -lps CC = gcc CFLAGS = -Wall -g diff --git a/main.c b/main.c index 15602819..75e1cda3 100644 --- a/main.c +++ b/main.c @@ -25,16 +25,17 @@ root_make_node (struct node **np) /* We never have two root nodes alive simultaneously, so it's ok to have this as static data. */ static struct node *root_dirs[3]; + error_t err; root_dirs[0] = procfs_dir_make_node (static_entries, NULL, NULL); if (! root_dirs[0]) return ENOMEM; - root_dirs[1] = proclist_make_node (getproc ()); - if (! root_dirs[1]) + err = proclist_create_node (getproc (), &root_dirs[1]); + if (err) { netfs_nrele (root_dirs[0]); - return ENOMEM; + return err; } root_dirs[2] = NULL; diff --git a/process.c b/process.c index 2b89ef81..a1cc0f61 100644 --- a/process.c +++ b/process.c @@ -1,100 +1,75 @@ #include #include +#include #include +#include +#include +#include #include "procfs.h" #include "procfs_dir.h" #include "process.h" + +/* Implementations for the process_file_desc.get_contents callback. */ -struct process_node { - process_t procserv; - pid_t pid; - struct procinfo info; -}; - - -/* The proc_getprocargs() and proc_getprocenv() calls have the same - prototype and we use them in the same way; namely, publish the data - they return as-is. We take advantage of this to have common code and - use a function pointer as the procfs_dir "entry hook" to choose the - call to use on a file by file basis. */ - -struct process_argz_node +static char * +process_file_gc_cmdline (struct proc_stat *ps, size_t *len) { - struct process_node pn; - error_t (*getargz) (process_t, pid_t, void **, mach_msg_type_number_t *); -}; + *len = proc_stat_args_len(ps); + return proc_stat_args(ps); +} -static error_t -process_argz_get_contents (void *hook, void **contents, size_t *contents_len) +static char * +process_file_gc_environ (struct proc_stat *ps, size_t *len) { - struct process_argz_node *pz = hook; - error_t err; - - *contents_len = 0; - err = pz->getargz (pz->pn.procserv, pz->pn.pid, contents, contents_len); - if (err) - return EIO; - - return 0; + *len = proc_stat_args_len(ps); + return proc_stat_args(ps); } -static struct node * -process_argz_make_node (void *dir_hook, void *entry_hook) +static char state_char (struct proc_stat *ps) { - static const struct procfs_node_ops ops = { - .get_contents = process_argz_get_contents, - .cleanup_contents = procfs_cleanup_contents_with_vm_deallocate, - .cleanup = free, - }; - struct process_argz_node *zn; - - zn = malloc (sizeof *zn); - if (! zn) - return NULL; + int i; - memcpy (&zn->pn, dir_hook, sizeof zn->pn); - zn->getargz = entry_hook; + for (i = 0; (1 << i) & (PSTAT_STATE_P_STATES | PSTAT_STATE_T_STATES); i++) + if (proc_stat_state (ps) & (1 << i)) + return proc_stat_state_tags[i]; - return procfs_make_node (&ops, zn); + return '?'; } -/* The other files don't need any information besides the data in struct - process_node. Furthermore, their contents don't have any nul byte. - Consequently, we use a simple "multiplexer" based on the information - below. */ - -struct process_file_node +static long int sc_tv (time_value_t tv) { - struct process_node pn; - error_t (*get_contents) (struct process_node *pn, char **contents); -}; + double usecs = ((double) tv.seconds) * 1000000 + tv.microseconds; + return usecs * sysconf(_SC_CLK_TCK) / 1000000; +} -static char mapstate (int hurd_state) +static long long int jiff_tv (time_value_t tv) { - return '?'; + double usecs = ((double) tv.seconds) * 1000000 + tv.microseconds; + /* Let's say a jiffy is 1/100 of a second.. */ + return usecs * 100 / 1000000; } -static error_t -process_file_gc_stat (struct process_node *pn, char **contents) +static char * +process_file_gc_stat (struct proc_stat *ps, size_t *len) { - char *argz; - size_t argz_len; - int len; - - argz = NULL, argz_len = 0; - proc_getprocargs(pn->procserv, pn->pid, &argz, &argz_len); - - len = asprintf (contents, + struct procinfo *pi = proc_stat_proc_info (ps); + task_basic_info_t tbi = proc_stat_task_basic_info (ps); + thread_basic_info_t thbi = proc_stat_thread_basic_info (ps); + char *contents; + + /* See proc(5) for more information about the contents of each field for the + Linux procfs. */ + *len = asprintf (&contents, "%d (%s) %c " /* pid, command, state */ "%d %d %d " /* ppid, pgid, session */ "%d %d " /* controling tty stuff */ "%u " /* flags, as defined by */ "%lu %lu %lu %lu " /* page fault counts */ "%lu %lu %ld %ld " /* user/sys times, in sysconf(_SC_CLK_TCK) */ - "%ld %ld " /* scheduler params (priority, nice) */ - "%ld %ld " /* number of threads, [obsolete] */ + "%d %d " /* scheduler params (priority, nice) */ + "%d %ld " /* number of threads, [obsolete] */ "%llu " /* start time since boot (jiffies) */ - "%lu %ld %lu " /* virtual size, rss, rss limit */ + "%lu %ld %lu " /* virtual size (bytes), rss (pages), rss lim */ "%lu %lu %lu %lu %lu " /* some vm addresses (code, stack, sp, pc) */ "%lu %lu %lu %lu " /* pending, blocked, ignored and caught sigs */ "%lu " /* wait channel */ @@ -104,44 +79,71 @@ process_file_gc_stat (struct process_node *pn, char **contents) "%u %u " /* RT priority and policy */ "%llu " /* aggregated block I/O delay */ "\n", - pn->pid, argz ?: "", mapstate (pn->info.state), - pn->info.ppid, pn->info.pgrp, pn->info.session, - 0, 0, - 0, - 0L, 0L, 0L, 0L, - 0L, 0L, 0L, 0L, - 0L, 0L, - 0L, 0L, - 0LL, - 0L, 0L, 0L, + proc_stat_pid (ps), proc_stat_args (ps), state_char (ps), + pi->ppid, pi->pgrp, pi->session, + 0, 0, /* no such thing as a major:minor for ctty */ + 0, /* no such thing as CLONE_* flags on Hurd */ + 0L, 0L, 0L, 0L, /* TASK_EVENTS_INFO is unavailable on GNU Mach */ + sc_tv (thbi->user_time), sc_tv (thbi->system_time), + 0L, 0L, /* cumulative time for children */ + MACH_PRIORITY_TO_NICE(thbi->base_priority) + 20, + MACH_PRIORITY_TO_NICE(thbi->base_priority), + pi->nthreads, 0L, + jiff_tv (thbi->creation_time), /* FIXME: ... since boot */ + (long unsigned int) tbi->virtual_size, + (long unsigned int) tbi->resident_size / PAGE_SIZE, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, - 0L, + (long unsigned int) proc_stat_thread_rpc (ps), /* close enough */ 0L, 0L, 0, 0, 0, 0, 0LL); - vm_deallocate (mach_task_self (), (vm_address_t) argz, argz_len); + return len >= 0 ? contents : NULL; +} - if (len < 0) - return ENOMEM; - return 0; -} +/* Describes a file in a process directory. This is used as an "entry hook" + * for our procfs_dir entry table, passed to process_file_make_node. */ +struct process_file_desc +{ + /* The proc_stat information required to get the contents of this file. */ + ps_flags_t needs; + + /* Once we have acquired the necessary information, there can be only + memory allocation errors, hence this simplified signature. */ + char *(*get_contents) (struct proc_stat *ps, size_t *len); + + /* The cmdline and environ contents don't need any cleaning since they are + part of a proc_stat structure. */ + int no_cleanup; +}; + +/* Information associated to an actual file node. */ +struct process_file_node +{ + const struct process_file_desc *desc; + struct proc_stat *ps; +}; static error_t process_file_get_contents (void *hook, void **contents, size_t *contents_len) { - struct process_file_node *fn = hook; + struct process_file_node *file = hook; error_t err; - err = fn->get_contents (&fn->pn, (char **) contents); + err = proc_stat_set_flags (file->ps, file->desc->needs); if (err) - return err; + return EIO; + if ((proc_stat_flags (file->ps) & file->desc->needs) != file->desc->needs) + return EIO; + + *contents = file->desc->get_contents (file->ps, contents_len); + if (! *contents) + return ENOMEM; - *contents_len = strlen (*contents); return 0; } @@ -153,68 +155,75 @@ process_file_make_node (void *dir_hook, void *entry_hook) .cleanup_contents = procfs_cleanup_contents_with_free, .cleanup = free, }; - struct process_file_node *fn; + static const struct procfs_node_ops ops_no_cleanup = { + .get_contents = process_file_get_contents, + .cleanup = free, + }; + struct process_file_node *f; - fn = malloc (sizeof *fn); - if (! fn) + f = malloc (sizeof *f); + if (! f) return NULL; - memcpy (&fn->pn, dir_hook, sizeof fn->pn); - fn->get_contents = entry_hook; + f->desc = entry_hook; + f->ps = dir_hook; - return procfs_make_node (&ops, fn); + return procfs_make_node (f->desc->no_cleanup ? &ops_no_cleanup : &ops, f); } -static struct node * -process_make_node (process_t procserv, pid_t pid, const struct procinfo *info) -{ - static const struct procfs_dir_entry entries[] = { - { "cmdline", process_argz_make_node, proc_getprocargs, }, - { "environ", process_argz_make_node, proc_getprocenv, }, - { "stat", process_file_make_node, process_file_gc_stat, }, - { NULL, } - }; - struct process_node *pn; - struct node *np; - - pn = malloc (sizeof *pn); - if (! pn) - return NULL; - - pn->procserv = procserv; - pn->pid = pid; - memcpy (&pn->info, info, sizeof pn->info); - - np = procfs_dir_make_node (entries, pn, process_cleanup); - np->nn_stat.st_uid = pn->info.owner; - - return np; -} +static struct procfs_dir_entry entries[] = { + { + .name = "cmdline", + .make_node = process_file_make_node, + .hook = & (struct process_file_desc) { + .get_contents = process_file_gc_cmdline, + .needs = PSTAT_ARGS, + .no_cleanup = 1, + }, + }, + { + .name = "environ", + .make_node = process_file_make_node, + .hook = & (struct process_file_desc) { + .get_contents = process_file_gc_environ, + .needs = PSTAT_ENV, + .no_cleanup = 1, + }, + }, + { + .name = "stat", + .make_node = process_file_make_node, + .hook = & (struct process_file_desc) { + .get_contents = process_file_gc_stat, + .needs = PSTAT_PID | PSTAT_ARGS | PSTAT_STATE | PSTAT_PROC_INFO + | PSTAT_TASK | PSTAT_TASK_BASIC | PSTAT_THREAD_BASIC + | PSTAT_THREAD_WAIT, + }, + }, + {} +}; error_t -process_lookup_pid (process_t procserv, pid_t pid, struct node **np) +process_lookup_pid (struct ps_context *pc, pid_t pid, struct node **np) { - procinfo_t info; - size_t info_sz; - data_t tw; - size_t tw_sz; - int flags; + struct proc_stat *ps; error_t err; - tw_sz = info_sz = 0, flags = 0; - err = proc_getprocinfo (procserv, pid, &flags, &info, &info_sz, &tw, &tw_sz); + err = _proc_stat_create (pid, pc, &ps); if (err == ESRCH) return ENOENT; if (err) return EIO; - assert (info_sz * sizeof *info >= sizeof (struct procinfo)); - *np = process_make_node (procserv, pid, (struct procinfo *) info); - vm_deallocate (mach_task_self (), (vm_address_t) info, info_sz); + err = proc_stat_set_flags (ps, PSTAT_OWNER_UID); + if (err || ! (proc_stat_flags (ps) & PSTAT_OWNER_UID)) + return EIO; + *np = procfs_dir_make_node (entries, ps, (void (*)(void *)) _proc_stat_free); if (! *np) return ENOMEM; + (*np)->nn_stat.st_uid = proc_stat_owner_uid (ps); return 0; } diff --git a/process.h b/process.h index abdaaa3b..8c2ee636 100644 --- a/process.h +++ b/process.h @@ -1,8 +1,8 @@ -#include +#include -/* Create a node for a directory representing information available at - the proc server PROC for the given PID. On success, returns the +/* Create a node for a directory representing the given PID, as published by + the proc server refrenced by the libps context PC. On success, returns the newly created node in *NP. */ error_t -process_lookup_pid (process_t proc, pid_t pid, struct node **np); +process_lookup_pid (struct ps_context *pc, pid_t pid, struct node **np); diff --git a/procfs.c b/procfs.c index 4cce46b9..0a235a76 100644 --- a/procfs.c +++ b/procfs.c @@ -87,7 +87,7 @@ procfs_make_ino (struct node *np, const char *filename) jrand48 (x); } - return jrand48 (x); + return (unsigned long) jrand48 (x); } error_t procfs_get_contents (struct node *np, void **data, size_t *data_len) diff --git a/proclist.c b/proclist.c index 94a7a04d..56a3fdf9 100644 --- a/proclist.c +++ b/proclist.c @@ -3,27 +3,23 @@ #include #include #include +#include #include "procfs.h" #include "process.h" #define PID_STR_SIZE (3 * sizeof (pid_t) + 1) -struct proclist_node -{ - process_t process; -}; - static error_t proclist_get_contents (void *hook, void **contents, size_t *contents_len) { - struct proclist_node *pl = hook; + struct ps_context *pc = hook; pidarray_t pids; mach_msg_type_number_t num_pids; error_t err; int i; num_pids = 0; - err = proc_getallpids (pl->process, &pids, &num_pids); + err = proc_getallpids (pc->server, &pids, &num_pids); if (err) return EIO; @@ -48,7 +44,7 @@ proclist_get_contents (void *hook, void **contents, size_t *contents_len) static error_t proclist_lookup (void *hook, const char *name, struct node **np) { - struct proclist_node *pl = hook; + struct ps_context *pc = hook; char *endp; pid_t pid; @@ -63,28 +59,27 @@ proclist_lookup (void *hook, const char *name, struct node **np) if (*endp) return ENOENT; - return process_lookup_pid (pl->process, pid, np); + return process_lookup_pid (pc, pid, np); } -struct node * -proclist_make_node (process_t process) +error_t +proclist_create_node (process_t procserv, struct node **np) { static const struct procfs_node_ops ops = { .get_contents = proclist_get_contents, .lookup = proclist_lookup, .cleanup_contents = procfs_cleanup_contents_with_free, - .cleanup = free, + .cleanup = (void (*)(void *)) ps_context_free, .enable_refresh_hack_and_break_readdir = 1, }; - struct proclist_node *pl; - - pl = malloc (sizeof *pl); - if (! pl) - return NULL; + struct ps_context *pc; + error_t err; - memset (pl, 0, sizeof *pl); - pl->process = process; + err = ps_context_create (procserv, &pc); + if (err) + return err; - return procfs_make_node (&ops, pl); + *np = procfs_make_node (&ops, pc); + return 0; } diff --git a/proclist.h b/proclist.h index a766d50e..1c7ab084 100644 --- a/proclist.h +++ b/proclist.h @@ -1,2 +1,2 @@ #include -struct node *proclist_make_node (process_t process); +error_t proclist_create_node (process_t procserv, struct node **np); -- cgit v1.2.3 From 4deaca2ce2c4ed2c5ab53f57a7747c71126a8da7 Mon Sep 17 00:00:00 2001 From: Jeremie Koenig Date: Mon, 23 Aug 2010 09:06:01 +0000 Subject: Use a global ps_context * proclist.c, proclist.h (proclist_create_node): Use a ps_context passed by the caller; errors are no longer possible, rename to proclist_make_node and change the signature accordingly. * rootdir.c, rootdir.h (rootdir_create_node): Likewise. * main.c (main): Create the ps_context here and pass it to root_make_node. (root_make_node): Pass it to proclist_make_node and rootdir_make_node. --- main.c | 35 ++++++++++++++++++++++------------- proclist.c | 15 +++------------ proclist.h | 6 ++++-- rootdir.c | 13 +++---------- rootdir.h | 6 ++++-- 5 files changed, 36 insertions(+), 39 deletions(-) (limited to 'proclist.h') diff --git a/main.c b/main.c index 4be506fb..91156485 100644 --- a/main.c +++ b/main.c @@ -4,6 +4,7 @@ #include #include #include +#include #include "procfs.h" #include "proclist.h" #include "rootdir.h" @@ -94,38 +95,42 @@ struct argp argp = { }; error_t -root_make_node (struct node **np) +root_make_node (struct ps_context *pc, struct node **np) { /* We never have two root nodes alive simultaneously, so it's ok to have this as static data. */ static struct node *root_dirs[3]; - error_t err; - err = proclist_create_node (getproc (), &root_dirs[0]); - if (err) - return err; + root_dirs[0] = proclist_make_node (pc); + if (! root_dirs[0]) + goto nomem; - err = rootdir_create_node (&root_dirs[1]); - if (err) - { - netfs_nrele (root_dirs[0]); - return err; - } + root_dirs[1] = rootdir_make_node (pc); + if (! root_dirs[1]) + goto nomem; root_dirs[2] = NULL; *np = dircat_make_node (root_dirs); if (! *np) - return ENOMEM; + goto nomem; /* Since this one is not created through proc_lookup(), we have to affect an inode number to it. */ (*np)->nn_stat.st_ino = * (uint32_t *) "PROC"; return 0; + +nomem: + if (root_dirs[1]) + netfs_nrele (root_dirs[1]); + if (root_dirs[0]) + netfs_nrele (root_dirs[0]); + return ENOMEM; } int main (int argc, char **argv) { + struct ps_context *pc; mach_port_t bootstrap; error_t err; @@ -137,12 +142,16 @@ int main (int argc, char **argv) if (err) error (1, err, "Could not parse command line"); + err = ps_context_create (getproc (), &pc); + if (err) + error (1, err, "Could not create libps context"); + task_get_bootstrap_port (mach_task_self (), &bootstrap); if (bootstrap == MACH_PORT_NULL) error (1, 0, "Must be started as a translator"); netfs_init (); - err = root_make_node (&netfs_root_node); + err = root_make_node (pc, &netfs_root_node); if (err) error (1, err, "Could not create the root node"); diff --git a/proclist.c b/proclist.c index 56a3fdf9..35422a81 100644 --- a/proclist.c +++ b/proclist.c @@ -62,24 +62,15 @@ proclist_lookup (void *hook, const char *name, struct node **np) return process_lookup_pid (pc, pid, np); } -error_t -proclist_create_node (process_t procserv, struct node **np) +struct node * +proclist_make_node (struct ps_context *pc) { static const struct procfs_node_ops ops = { .get_contents = proclist_get_contents, .lookup = proclist_lookup, .cleanup_contents = procfs_cleanup_contents_with_free, - .cleanup = (void (*)(void *)) ps_context_free, .enable_refresh_hack_and_break_readdir = 1, }; - struct ps_context *pc; - error_t err; - - err = ps_context_create (procserv, &pc); - if (err) - return err; - - *np = procfs_make_node (&ops, pc); - return 0; + return procfs_make_node (&ops, pc); } diff --git a/proclist.h b/proclist.h index 1c7ab084..ce69dde3 100644 --- a/proclist.h +++ b/proclist.h @@ -1,2 +1,4 @@ -#include -error_t proclist_create_node (process_t procserv, struct node **np); +#include + +struct node * +proclist_make_node (struct ps_context *pc); diff --git a/rootdir.c b/rootdir.c index 865342ce..8062f0d3 100644 --- a/rootdir.c +++ b/rootdir.c @@ -357,22 +357,15 @@ static const struct procfs_dir_entry rootdir_entries[] = { {} }; -error_t -rootdir_create_node (struct node **np) +struct node +*rootdir_make_node (struct ps_context *pc) { - struct ps_context *pc; const struct procfs_dir_entry *entries; - error_t err; - - err = ps_context_create (getproc (), &pc); - if (err) - return err; entries = rootdir_entries; if (opt_fake_self < 0) entries++; - *np = procfs_dir_make_node (entries, pc, (void (*)(void *)) ps_context_free); - return 0; + return procfs_dir_make_node (entries, pc, NULL); } diff --git a/rootdir.h b/rootdir.h index a764b0fd..0caee258 100644 --- a/rootdir.h +++ b/rootdir.h @@ -1,2 +1,4 @@ -error_t -rootdir_create_node (struct node **np); +#include + +struct node * +rootdir_make_node (struct ps_context *pc); -- cgit v1.2.3 From 5c7310fd853620627b57c72ddcc3b212f29f6056 Mon Sep 17 00:00:00 2001 From: Jeremie Koenig Date: Thu, 26 Aug 2010 23:03:40 +0000 Subject: Add copyright notices * dircat.c, dircat.h, main.c, main.h, netfs.c, process.c, process.h, procfs.c, procfs.h, procfs_dir.c, procfs_dir.h, proclist.c, proclist.h, rootdir.c, rootdir.h: Add copyright notices. --- dircat.c | 19 +++++++++++++++++++ dircat.h | 19 +++++++++++++++++++ main.c | 19 +++++++++++++++++++ main.h | 19 +++++++++++++++++++ netfs.c | 19 +++++++++++++++++++ process.c | 19 +++++++++++++++++++ process.h | 19 +++++++++++++++++++ procfs.c | 19 +++++++++++++++++++ procfs.h | 19 +++++++++++++++++++ procfs_dir.c | 19 +++++++++++++++++++ procfs_dir.h | 19 +++++++++++++++++++ proclist.c | 19 +++++++++++++++++++ proclist.h | 19 +++++++++++++++++++ rootdir.c | 19 +++++++++++++++++++ rootdir.h | 19 +++++++++++++++++++ 15 files changed, 285 insertions(+) (limited to 'proclist.h') diff --git a/dircat.c b/dircat.c index d24e8345..5a60899a 100644 --- a/dircat.c +++ b/dircat.c @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, concatenation of two directories. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include #include #include "procfs.h" diff --git a/dircat.h b/dircat.h index 951d2021..4177b384 100644 --- a/dircat.h +++ b/dircat.h @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, concatenation of two directories. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + /* Append the contents of NUM_DIRS directories. DIRS is an array of directory nodes. One reference is consumed for each of them. If a memory allocation error occurs, or if one of the directories is a diff --git a/main.c b/main.c index eaab9867..94fc227d 100644 --- a/main.c +++ b/main.c @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, main program. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include #include #include diff --git a/main.h b/main.h index 28d1b023..4e28b7eb 100644 --- a/main.h +++ b/main.h @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, command-line options set by main.c. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + /* Startup options */ extern int opt_clk_tck; extern mode_t opt_stat_mode; diff --git a/netfs.c b/netfs.c index 02a4bf54..24a6603f 100644 --- a/netfs.c +++ b/netfs.c @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, interface with libnetfs. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include #include #include diff --git a/process.c b/process.c index 47e34708..6652a4e9 100644 --- a/process.c +++ b/process.c @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, implementation of process directories. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include #include #include diff --git a/process.h b/process.h index 8c2ee636..b230a281 100644 --- a/process.h +++ b/process.h @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, implementation of process directories. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include /* Create a node for a directory representing the given PID, as published by diff --git a/procfs.c b/procfs.c index f7b28347..ee52de7a 100644 --- a/procfs.c +++ b/procfs.c @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, basic infrastructure. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include #include #include diff --git a/procfs.h b/procfs.h index a9665f97..64782ec4 100644 --- a/procfs.h +++ b/procfs.h @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, basic infrastructure. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include #include diff --git a/procfs_dir.c b/procfs_dir.c index dfe30a26..c250aa48 100644 --- a/procfs_dir.c +++ b/procfs_dir.c @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, infrastructure for directories. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include #include #include "procfs.h" diff --git a/procfs_dir.h b/procfs_dir.h index 12e99d2a..94c5b019 100644 --- a/procfs_dir.h +++ b/procfs_dir.h @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, infrastructure for directories. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + /* This module provides an abstraction layer for implementing simple directories with (mostly) static contents. The user defines the contents of the directory by providing a table of entries and various diff --git a/proclist.c b/proclist.c index fe5d0cff..58b942dc 100644 --- a/proclist.c +++ b/proclist.c @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, list of processes as a directory. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include #include #include diff --git a/proclist.h b/proclist.h index ce69dde3..bfe95b3d 100644 --- a/proclist.h +++ b/proclist.h @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, list of processes as a directory. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include struct node * diff --git a/rootdir.c b/rootdir.c index 2a2ab5a5..da068cf4 100644 --- a/rootdir.c +++ b/rootdir.c @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, permanent files of the root directory. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include #include #include diff --git a/rootdir.h b/rootdir.h index 0caee258..6980da8f 100644 --- a/rootdir.h +++ b/rootdir.h @@ -1,3 +1,22 @@ +/* Hurd /proc filesystem, permanent files of the root directory. + Copyright (C) 2010 Free Software Foundation, Inc. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include struct node * -- cgit v1.2.3