diff options
Diffstat (limited to 'src/platform/netbsd/platform.c')
| -rw-r--r-- | src/platform/netbsd/platform.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/src/platform/netbsd/platform.c b/src/platform/netbsd/platform.c new file mode 100644 index 0000000..97b071f --- /dev/null +++ b/src/platform/netbsd/platform.c @@ -0,0 +1,239 @@ +/*-------------------------------------------------------------------- + * Copyright © 2016 James Hunt <jamesodhunt@ubuntu.com>. + * + * This program 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 3 of the License, or + * (at your option) any later version. + * + * This program 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, see <http://www.gnu.org/licenses/>. + *-------------------------------------------------------------------- + */ + +#include "platform-netbsd.h" + +static struct procenv_map signal_map_netbsd[] = { + + mk_map_entry (SIGABRT), + mk_map_entry (SIGALRM), + mk_map_entry (SIGBUS), + + { SIGCHLD, "SIGCHLD|SIGCLD" }, + + mk_map_entry (SIGCONT), + mk_map_entry (SIGFPE), + mk_map_entry (SIGHUP), + mk_map_entry (SIGILL), + mk_map_entry (SIGINT), + mk_map_entry (SIGKILL), + mk_map_entry (SIGPIPE), + mk_map_entry (SIGQUIT), + mk_map_entry (SIGSEGV), + mk_map_entry (SIGSTOP), + mk_map_entry (SIGTERM), + mk_map_entry (SIGTRAP), + mk_map_entry (SIGTSTP), + mk_map_entry (SIGTTIN), + mk_map_entry (SIGUSR1), + mk_map_entry (SIGUSR2), + mk_map_entry (SIGIO), + mk_map_entry (SIGPROF), + mk_map_entry (SIGSYS), + mk_map_entry (SIGURG), + mk_map_entry (SIGVTALRM), + mk_map_entry (SIGWINCH), + mk_map_entry (SIGXCPU), + mk_map_entry (SIGXFSZ), + mk_map_entry (SIGEMT), + mk_map_entry (SIGINFO), + mk_map_entry (SIGPWR), + + { 0, NULL }, +}; + +static struct procenv_map64 mntopt_map[] = { + + { MNT_ASYNC , "asynchronous" }, + { MNT_EXPORTED , "NFS-exported" }, + { MNT_LOCAL , "local" }, + { MNT_NOATIME , "noatime" }, + { MNT_NOEXEC , "noexec" }, + { MNT_NOSUID , "nosuid" }, + { MNT_QUOTA , "with quotas" }, + { MNT_RDONLY , "read-only" }, + { MNT_SOFTDEP , "soft-updates" }, +#if defined (MNT_SUJ) + { MNT_SUJ , "journaled soft-updates" }, +#endif + { MNT_SYNCHRONOUS , "synchronous" }, + { MNT_UNION , "union" }, + + { 0, NULL } +}; + +static struct procenv_map if_flag_map_netbsd[] = { + mk_map_entry (IFF_UP), + mk_map_entry (IFF_BROADCAST), + mk_map_entry (IFF_DEBUG), + mk_map_entry (IFF_LOOPBACK), + mk_map_entry (IFF_POINTOPOINT), + mk_map_entry (IFF_RUNNING), + mk_map_entry (IFF_NOARP), + mk_map_entry (IFF_PROMISC), + mk_map_entry (IFF_ALLMULTI), + mk_map_entry (IFF_SIMPLEX), + mk_map_entry (IFF_MULTICAST), + + { 0, NULL } +}; + +static void +show_mounts_netbsd (ShowMountType what) +{ + show_mounts_generic_bsd (what, mntopt_map); +} + +/* Who would have thought handling PIDs was so tricky? */ +static void +handle_proc_branch_netbsd (void) +{ + int count = 0; + int i; + char errors[_POSIX2_LINE_MAX]; + kvm_t *kvm; + struct kinfo_proc2 *procs; + struct kinfo_proc2 *p; + pid_t current; + int done = false; + char *str = NULL; + pid_t ultimate_parent = 0; + + common_assert (); + + current = getpid (); + + kvm = kvm_openfiles (NULL, NULL, NULL, KVM_NO_FILES, errors); + if (! kvm) + die ("unable to open kvm"); + + procs = kvm_getproc2 (kvm, KERN_PROC_ALL, 0, sizeof (struct kinfo_proc2), &count); + if (! procs) + die ("failed to get process info"); + + /* Calculate the lowest PID number which gives us the ultimate + * parent of all processes. + * + * On NetBSD systems, PID 0 ('[system]') is the ultimate + * parent rather than PID 1 ('init'). + */ + + p = &procs[0]; + ultimate_parent = p->p_pid; + + for (i = 1; i < count; i++) { + p = &procs[i]; + if (p->p_pid< ultimate_parent) + ultimate_parent = p->p_pid; + } + + while (! done) { + for (i = 0; i < count && !done; i++) { + p = &procs[i]; + + if (p->p_pid == current) { + if (! ultimate_parent && current == ultimate_parent) { + + /* Found the "last" PID so record it and hop out */ + appendf (&str, "%d ('%*s')", + (int)current, + KI_MAXCOMLEN, + p->p_comm); + done = true; + break; + } else { + /* Found a valid parent pid */ + appendf (&str, "%d ('%*s'), ", + (int)current, + KI_MAXCOMLEN, + p->p_comm); + } + + /* Move on */ + current = p->p_ppid; + } + } + } + + if (kvm_close (kvm) < 0) + die ("failed to close kvm"); + + entry ("ancestry", "%s", str); + free (str); +} + +static PROCENV_CPU_SET_TYPE * +get_cpuset_netbsd (void) +{ + PROCENV_CPU_SET_TYPE *cs = NULL; + int ret; + + cs = cpuset_create (); + if (! cs) + return NULL; + + ret = pthread_getaffinity_np (pthread_self (), cpuset_size (cs), cs); + if (ret) { + cpuset_destroy (cs); + return NULL; + } + + return cs; +} + +static void +free_cpuset_netbsd (PROCENV_CPU_SET_TYPE *cs) +{ + cpuset_destroy (cs); +} + +bool cpuset_has_cpu_netbsd (const PROCENV_CPU_SET_TYPE *cs, + PROCENV_CPU_TYPE cpu) +{ + return cpuset_isset (cpu, cs); +} + +/* XXX:Notes: + * + * - show_cpu : it doesn't appear you can query the CPU of the + * current process on NetBSD :-( + */ +struct procenv_ops platform_ops = +{ + .driver = PROCENV_SET_DRIVER (netbsd), + + .get_kernel_bits = get_kernel_bits_generic, + .get_mtu = get_mtu_generic, + .get_time = get_time_generic, + + .get_cpuset = get_cpuset_netbsd, + .free_cpuset = free_cpuset_netbsd, + .cpuset_has_cpu = cpuset_has_cpu_netbsd, + + .signal_map = signal_map_netbsd, + .if_flag_map = if_flag_map_netbsd, + + .show_clocks = show_clocks_generic, + .show_confstrs = show_confstrs_generic, + .show_cpu_affinities = show_cpu_affinities_generic, + .show_fds = show_fds_generic, + .show_mounts = show_mounts_netbsd, + .show_rlimits = show_rlimits_generic, + + .handle_proc_branch = handle_proc_branch_netbsd, +}; |