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Diffstat (limited to 'src/framework/common/include/dmm_sys.h')
-rw-r--r-- | src/framework/common/include/dmm_sys.h | 44 |
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 new file mode 100644 index 0000000..dae0d97 --- /dev/null +++ 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 |