diff options
Diffstat (limited to 'lib/thread.h')
| -rw-r--r-- | lib/thread.h | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/lib/thread.h b/lib/thread.h index 0670a890..1c324d86 100644 --- a/lib/thread.h +++ b/lib/thread.h @@ -31,14 +31,7 @@ struct rusage_t }; #define RUSAGE_T struct rusage_t -#ifdef HAVE_RUSAGE -#define GETRUSAGE(X) \ - getrusage(RUSAGE_SELF, &((X)->cpu)); \ - gettimeofday(&recent_time, NULL); (X)->real = recent_time -#else -#define GETRUSAGE(X) \ - gettimeofday(&recent_time, NULL); (X)->real = recent_time -#endif /* HAVE_RUSAGE */ +#define GETRUSAGE(X) thread_getrusage(X) /* Linked list of thread. */ struct thread_list @@ -99,6 +92,13 @@ struct cpu_thread_history unsigned char types; }; +/* Clocks supported by Quagga */ +enum quagga_clkid { + QUAGGA_CLK_REALTIME = 0, /* ala gettimeofday() */ + QUAGGA_CLK_MONOTONIC, /* monotonic, against an indeterminate base */ + QUAGGA_CLK_REALTIME_STABILISED, /* like realtime, but non-decrementing */ +}; + /* Thread types. */ #define THREAD_READ 0 #define THREAD_WRITE 1 @@ -192,8 +192,17 @@ extern void thread_call (struct thread *); extern unsigned long thread_timer_remain_second (struct thread *); extern int thread_should_yield (struct thread *); +/* Internal libzebra exports */ +extern void thread_getrusage (RUSAGE_T *); extern struct cmd_element show_thread_cpu_cmd; +/* replacements for the system gettimeofday(), clock_gettime() and + * time() functions, providing support for non-decrementing clock on + * all systems, and fully monotonic on /some/ systems. + */ +extern int quagga_gettime (enum quagga_clkid, struct timeval *); +extern time_t quagga_time (time_t *); + /* Returns elapsed real (wall clock) time. */ extern unsigned long thread_consumed_time(RUSAGE_T *after, RUSAGE_T *before, unsigned long *cpu_time_elapsed); @@ -202,5 +211,6 @@ extern unsigned long thread_consumed_time(RUSAGE_T *after, RUSAGE_T *before, be used instead of calling gettimeofday if a recent value is sufficient. This is guaranteed to be refreshed before a thread is called. */ extern struct timeval recent_time; - +/* Similar to recent_time, but a monotonically increasing time value */ +extern struct timeval recent_relative_time (void); #endif /* _ZEBRA_THREAD_H */ |