| File was renamed from project/booster/util_proc.h |
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| | | * Copyright: (C) 2020 LingYun IoT System Studio |
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| | | * All rights reserved. |
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| | | * |
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| | | * Filename: util_proc.h |
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| | | * Filename: proc.h |
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| | | * Description: This head file is for Linux process/thread API |
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| | | * |
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| | | * Version: 1.0.0(7/06/2012~) |
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| | |
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| | | #define __UTIL_PROC_H_ |
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| | | |
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| | | #include <signal.h> |
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| | | #include <time.h> |
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| | | |
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| | | #define PID_ASCII_SIZE 11 |
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| | | |
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| | | |
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| | | /* get daemon process ID from $pid_file */ |
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| | | extern pid_t get_daemon_pid(const char *pid_file); |
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| | | |
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| | | /* +------------------------+ |
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| | | * | inline functions API | |
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| | | * +------------------------+*/ |
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| | | static inline void msleep(unsigned long ms) |
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| | | { |
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| | | struct timespec cSleep; |
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| | | unsigned long ulTmp; |
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| | | |
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| | | cSleep.tv_sec = ms / 1000; |
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| | | if (cSleep.tv_sec == 0) |
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| | | { |
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| | | ulTmp = ms * 10000; |
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| | | cSleep.tv_nsec = ulTmp * 100; |
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| | | } |
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| | | else |
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| | | { |
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| | | cSleep.tv_nsec = 0; |
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| | | } |
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| | | |
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| | | nanosleep(&cSleep, 0); |
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| | | return ; |
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| | | } |
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| | | |
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| | | static inline int check_timeout(time_t *last_time, int interval) |
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| | | { |
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| | | int timeout = 0; |
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| | | time_t now; |
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| | | |
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| | | time(&now); |
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| | | |
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| | | if( difftime(now, *last_time)>interval ) |
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| | | { |
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| | | timeout = 1; |
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| | | *last_time = now; |
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| | | } |
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| | | |
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| | | return timeout; |
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| | | } |
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| | | |
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| | | #endif |
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