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-rw-r--r--src/framework/common/include/dmm_sys.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/framework/common/include/dmm_sys.h b/src/framework/common/include/dmm_sys.h
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+++ b/src/framework/common/include/dmm_sys.h
@@ -0,0 +1,44 @@
+/*
+*
+* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at:
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+#ifndef _DMM_SYS_H_
+#define _DMM_SYS_H_
+
+#include <sys/types.h>
+#include <unistd.h>
+
+#define SYS_HOST_INITIAL_PID 1
+
+pid_t sys_get_hostpid_from_file (pid_t pid);
+pid_t get_hostpid_from_file (pid_t pid);
+void get_exec_name_by_pid (pid_t pid, char *task_name, int task_name_len);
+
+pid_t sys_get_hostpid_from_file (pid_t pid);
+
+static inline pid_t
+get_sys_pid ()
+{
+ extern pid_t g_sys_host_pid;
+ if (SYS_HOST_INITIAL_PID == g_sys_host_pid)
+ (void) sys_get_hostpid_from_file (getpid ());
+ return g_sys_host_pid;
+}
+
+pid_t updata_sys_pid ();
+
+#define dmm_spin_lock_pid(spinlock) dmm_spin_lock_with((spinlock), get_sys_pid())
+#define dmm_spin_trylock_pid(spinlock) dmm_spin_trylock_with((spinlock), get_sys_pid())
+
+#endif