basic ipc framework

lib/ipc/heim-ipc.h

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+/*
+ * Copyright (c) 2009 Kungliga Tekniska H<>gskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <asn1-common.h>
+
+typedef struct heim_ipc *heim_ipc;
+typedef struct heim_sipc *heim_sipc;
+typedef struct heim_icred *heim_icred;
+typedef struct heim_isemaphore *heim_isemaphore;
+typedef struct heim_octet_string heim_idata;
+typedef struct heim_sipc_call *heim_sipc_call;
+
+/* common */
+
+void
+heim_ipc_free_cred(heim_icred);
+
+uid_t
+heim_ipc_cred_get_uid(heim_icred);
+
+gid_t
+heim_ipc_cred_get_gid(heim_icred);
+
+pid_t
+heim_ipc_cred_get_pid(heim_icred);
+
+pid_t
+heim_ipc_cred_get_session(heim_icred);
+
+void
+heim_ipc_main(void);
+
+heim_isemaphore
+heim_ipc_semaphore_create(long);
+
+long
+heim_ipc_semaphore_wait(heim_isemaphore, time_t);
+
+long
+heim_ipc_semaphore_signal(heim_isemaphore);
+
+void
+heim_ipc_semaphore_release(heim_isemaphore);
+
+#define HEIM_IPC_WAIT_FOREVER ((time_t)-1)
+
+void
+heim_ipc_free_data(heim_idata *);
+
+/* client */
+
+int
+heim_ipc_init_context(const char *, heim_ipc *);
+
+void
+heim_ipc_free_context(heim_ipc);
+
+int
+heim_ipc_call(heim_ipc, const heim_idata *, heim_idata *, heim_icred *);
+
+int
+heim_ipc_async(heim_ipc, const heim_idata *, void *, void (*func)(void *, int, heim_idata *, heim_icred));
+
+/* server */
+
+typedef void
+(*heim_ipc_complete)(heim_sipc_call, int, heim_idata *);
+
+typedef void
+(*heim_ipc_callback)(void *, const heim_idata *,
+		     const heim_icred, heim_ipc_complete, heim_sipc_call);
+
+
+int
+heim_sipc_launchd_mach_init(const char *, heim_ipc_callback,
+			    void *, heim_sipc *);
+
+void
+heim_sipc_timeout(time_t);
+
+void
+heim_sipc_set_timeout_handler(void (*)(void));
+
+void
+heim_sipc_free_context(heim_sipc);