The branch main has been updated by imp:
URL:
https://cgit.FreeBSD.org/src/commit/?id=25a04527b706577dac781fc249e3dbe948ccae60
commit 25a04527b706577dac781fc249e3dbe948ccae60
Author: Ricardo Branco <rbra...@suse.de>
AuthorDate: 2024-05-12 20:26:15 +0000
Commit: Warner Losh <i...@freebsd.org>
CommitDate: 2024-05-21 23:58:28 +0000
linprocfs: Add support for proc/sysvipc/{msg,sem,shm}
Reviewed by: imp,kib
Pull Request: https://github.com/freebsd/freebsd-src/pull/1232
---
sys/compat/linprocfs/linprocfs.c | 137 +++++++++++++++++++++++++++++++++++++++
1 file changed, 137 insertions(+)
diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c
index 391d5f679ee5..bfa2074a78d3 100644
--- a/sys/compat/linprocfs/linprocfs.c
+++ b/sys/compat/linprocfs/linprocfs.c
@@ -2092,6 +2092,134 @@ linprocfs_domax_map_cnt(PFS_FILL_ARGS)
return (0);
}
+/*
+ * Filler function for proc/sysvipc/msg
+ */
+static int
+linprocfs_dosysvipc_msg(PFS_FILL_ARGS)
+{
+ struct msqid_kernel *msqids;
+ size_t id, size;
+ int error;
+
+ sbuf_printf(sb,
+ "%10s %10s %4s %10s %10s %5s %5s %5s %5s %5s %5s %10s %10s %10s\n",
+ "key", "msqid", "perms", "cbytes", "qnum", "lspid", "lrpid",
+ "uid", "gid", "cuid", "cgid", "stime", "rtime", "ctime");
+
+ error = kern_get_msqids(curthread, &msqids, &size);
+ if (error != 0)
+ return (error);
+
+ for (id = 0; id < size; id++) {
+ if (msqids[id].u.msg_qbytes == 0)
+ continue;
+ sbuf_printf(sb,
+ "%10d %10lu %4o %10lu %10lu %5u %5u %5u %5u %5u %5u %jd
%jd %jd\n",
+ (int)msqids[id].u.msg_perm.key,
+ IXSEQ_TO_IPCID(id, msqids[id].u.msg_perm),
+ msqids[id].u.msg_perm.mode,
+ msqids[id].u.msg_cbytes,
+ msqids[id].u.msg_qnum,
+ msqids[id].u.msg_lspid,
+ msqids[id].u.msg_lrpid,
+ msqids[id].u.msg_perm.uid,
+ msqids[id].u.msg_perm.gid,
+ msqids[id].u.msg_perm.cuid,
+ msqids[id].u.msg_perm.cgid,
+ (intmax_t)msqids[id].u.msg_stime,
+ (intmax_t)msqids[id].u.msg_rtime,
+ (intmax_t)msqids[id].u.msg_ctime);
+ }
+
+ free(msqids, M_TEMP);
+ return (0);
+}
+
+/*
+ * Filler function for proc/sysvipc/sem
+ */
+static int
+linprocfs_dosysvipc_sem(PFS_FILL_ARGS)
+{
+ struct semid_kernel *semids;
+ size_t id, size;
+ int error;
+
+ sbuf_printf(sb, "%10s %10s %4s %10s %5s %5s %5s %5s %10s %10s\n",
+ "key", "semid", "perms", "nsems", "uid", "gid", "cuid", "cgid",
+ "otime", "ctime");
+
+ error = kern_get_sema(curthread, &semids, &size);
+ if (error != 0)
+ return (error);
+
+ for (id = 0; id < size; id++) {
+ if ((semids[id].u.sem_perm.mode & SEM_ALLOC) == 0)
+ continue;
+ sbuf_printf(sb,
+ "%10d %10lu %4o %10u %5u %5u %5u %5u %jd %jd\n",
+ (int)semids[id].u.sem_perm.key,
+ IXSEQ_TO_IPCID(id, semids[id].u.sem_perm),
+ semids[id].u.sem_perm.mode,
+ semids[id].u.sem_nsems,
+ semids[id].u.sem_perm.uid,
+ semids[id].u.sem_perm.gid,
+ semids[id].u.sem_perm.cuid,
+ semids[id].u.sem_perm.cgid,
+ (intmax_t)semids[id].u.sem_otime,
+ (intmax_t)semids[id].u.sem_ctime);
+ }
+
+ free(semids, M_TEMP);
+ return (0);
+}
+
+/*
+ * Filler function for proc/sysvipc/shm
+ */
+static int
+linprocfs_dosysvipc_shm(PFS_FILL_ARGS)
+{
+ struct shmid_kernel *shmids;
+ size_t id, size;
+ int error;
+
+ sbuf_printf(sb,
+ "%10s %10s %s %21s %5s %5s %5s %5s %5s %5s %5s %10s %10s %10s %21s
%21s\n",
+ "key", "shmid", "perms", "size", "cpid", "lpid", "nattch", "uid",
+ "gid", "cuid", "cgid", "atime", "dtime", "ctime", "rss", "swap");
+
+ error = kern_get_shmsegs(curthread, &shmids, &size);
+ if (error != 0)
+ return (error);
+
+ for (id = 0; id < size; id++) {
+ if ((shmids[id].u.shm_perm.mode & SHMSEG_ALLOCATED) == 0)
+ continue;
+ sbuf_printf(sb,
+ "%10d %10lu %4o %21zu %5u %5u %5u %5u %5u %5u %5u %jd %jd
%jd %21d %21d\n",
+ (int)shmids[id].u.shm_perm.key,
+ IXSEQ_TO_IPCID(id, shmids[id].u.shm_perm),
+ shmids[id].u.shm_perm.mode,
+ shmids[id].u.shm_segsz,
+ shmids[id].u.shm_cpid,
+ shmids[id].u.shm_lpid,
+ shmids[id].u.shm_nattch,
+ shmids[id].u.shm_perm.uid,
+ shmids[id].u.shm_perm.gid,
+ shmids[id].u.shm_perm.cuid,
+ shmids[id].u.shm_perm.cgid,
+ (intmax_t)shmids[id].u.shm_atime,
+ (intmax_t)shmids[id].u.shm_dtime,
+ (intmax_t)shmids[id].u.shm_ctime,
+ 0, 0); /* XXX rss & swp are not supported */
+ }
+
+ free(shmids, M_TEMP);
+ return (0);
+}
+
/*
* Constructor
*/
@@ -2241,6 +2369,15 @@ linprocfs_init(PFS_INIT_ARGS)
pfs_create_file(dir, "max_map_count", &linprocfs_domax_map_cnt,
NULL, NULL, NULL, PFS_RD);
+ /* /proc/sysvipc/... */
+ dir = pfs_create_dir(root, "sysvipc", NULL, NULL, NULL, 0);
+ pfs_create_file(dir, "msg", &linprocfs_dosysvipc_msg,
+ NULL, NULL, NULL, PFS_RD);
+ pfs_create_file(dir, "sem", &linprocfs_dosysvipc_sem,
+ NULL, NULL, NULL, PFS_RD);
+ pfs_create_file(dir, "shm", &linprocfs_dosysvipc_shm,
+ NULL, NULL, NULL, PFS_RD);
+
return (0);
}
