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authorPeter Seebach <seebs@eee12.(none)>2010-03-16 19:26:24 -0500
committerPeter Seebach <seebs@eee12.(none)>2010-03-16 19:26:24 -0500
commit33d9386e8d818860ce603356eee074d2a2849085 (patch)
tree185f2c14b86df39403971f0651f4b6136dda147f /pseudo_ipc.h
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initial public release
Diffstat (limited to 'pseudo_ipc.h')
-rw-r--r--pseudo_ipc.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/pseudo_ipc.h b/pseudo_ipc.h
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+/*
+ * pseudo_ipc.h, definitions and declarations for pseudo IPC code
+ *
+ * Copyright (c) 2008-2010 Wind River Systems, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the Lesser GNU General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * 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 Lesser GNU General Public License for more details.
+ *
+ * You should have received a copy of the Lesser GNU General Public License
+ * version 2.1 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+typedef enum {
+ PSEUDO_MSG_PING,
+ PSEUDO_MSG_SHUTDOWN,
+ PSEUDO_MSG_OP,
+ PSEUDO_MSG_ACK,
+ PSEUDO_MSG_NAK,
+ PSEUDO_MSG_MAX
+} pseudo_msg_type_t;
+
+/* The [] item at the end of the struct is a C99 feature, replacing the
+ * old (and unportable) "struct hack".
+ */
+typedef struct {
+ pseudo_msg_type_t type;
+ op_id_t op;
+ res_id_t result;
+ int xerrno;
+ int client;
+ int fd;
+ dev_t dev;
+ unsigned long long ino;
+ uid_t uid;
+ gid_t gid;
+ unsigned long long mode;
+ dev_t rdev;
+ unsigned int pathlen;
+ int nlink;
+ char path[];
+} pseudo_msg_t;
+
+#define PSEUDO_HEADER_SIZE (offsetof(pseudo_msg_t, path))
+
+extern pseudo_msg_t *pseudo_msg_receive(int fd);
+extern pseudo_msg_t *pseudo_msg_dup(pseudo_msg_t *);
+extern pseudo_msg_t *pseudo_msg_dupheader(pseudo_msg_t *);
+extern pseudo_msg_t *pseudo_msg_new(size_t, const char *);
+extern int pseudo_msg_send(int fd, pseudo_msg_t *, size_t, const char *);
+
+void pseudo_msg_stat(pseudo_msg_t *msg, const struct stat64 *buf);
+void pseudo_stat_msg(struct stat64 *buf, const pseudo_msg_t *msg);