#include <pthread.h>
#include <poll.h>
#include "monotime.h"
+#include "frratomic.h"
-struct rusage_t
-{
- struct rusage cpu;
- struct timeval real;
+struct rusage_t {
+ struct rusage cpu;
+ struct timeval real;
};
#define RUSAGE_T struct rusage_t
#define GETRUSAGE(X) thread_getrusage(X)
/* Linked list of thread. */
-struct thread_list
-{
- struct thread *head;
- struct thread *tail;
- int count;
+struct thread_list {
+ struct thread *head;
+ struct thread *tail;
+ int count;
};
struct pqueue;
-struct fd_handler
-{
- /* number of pfd stored in pfds */
- nfds_t pfdcount;
- /* number of pfd stored in pfds + number of snmp pfd */
- nfds_t pfdcountsnmp;
- /* number of pfd that fit in the allocated space of pfds */
- nfds_t pfdsize;
- /* file descriptors to monitor for i/o */
- struct pollfd *pfds;
- /* chunk used for temp copy of pollfds */
- struct pollfd *copy;
+struct fd_handler {
+ /* number of pfd that fit in the allocated space of pfds. This is a
+ * constant
+ * and is the same for both pfds and copy. */
+ nfds_t pfdsize;
+
+ /* file descriptors to monitor for i/o */
+ struct pollfd *pfds;
+ /* number of pollfds stored in pfds */
+ nfds_t pfdcount;
+
+ /* chunk used for temp copy of pollfds */
+ struct pollfd *copy;
+ /* number of pollfds stored in copy */
+ nfds_t copycount;
};
-/* Master of the theads. */
-struct thread_master
-{
- struct thread **read;
- struct thread **write;
- struct pqueue *timer;
- struct thread_list event;
- struct thread_list ready;
- struct thread_list unuse;
- int io_pipe[2];
- int fd_limit;
- struct fd_handler handler;
- unsigned long alloc;
- long selectpoll_timeout;
- bool spin;
- bool handle_signals;
- pthread_mutex_t mtx;
- pthread_t owner;
+struct cancel_req {
+ struct thread *thread;
+ void *eventobj;
+ struct thread **threadref;
};
-typedef unsigned char thread_type;
+/* Master of the theads. */
+struct thread_master {
+ char *name;
+
+ struct thread **read;
+ struct thread **write;
+ struct pqueue *timer;
+ struct thread_list event;
+ struct thread_list ready;
+ struct thread_list unuse;
+ struct list *cancel_req;
+ bool canceled;
+ pthread_cond_t cancel_cond;
+ struct hash *cpu_record;
+ int io_pipe[2];
+ int fd_limit;
+ struct fd_handler handler;
+ unsigned long alloc;
+ long selectpoll_timeout;
+ bool spin;
+ bool handle_signals;
+ pthread_mutex_t mtx;
+ pthread_t owner;
+};
/* Thread itself. */
-struct thread
-{
- thread_type type; /* thread type */
- thread_type add_type; /* thread type */
- struct thread *next; /* next pointer of the thread */
- struct thread *prev; /* previous pointer of the thread */
- struct thread **ref; /* external reference (if given) */
- struct thread_master *master; /* pointer to the struct thread_master */
- int (*func) (struct thread *); /* event function */
- void *arg; /* event argument */
- union {
- int val; /* second argument of the event. */
- int fd; /* file descriptor in case of r/w */
- struct timeval sands; /* rest of time sands value. */
- } u;
- int index; /* queue position for timers */
- struct timeval real;
- struct cpu_thread_history *hist; /* cache pointer to cpu_history */
- unsigned long yield; /* yield time in microseconds */
- const char *funcname; /* name of thread function */
- const char *schedfrom; /* source file thread was scheduled from */
- int schedfrom_line; /* line number of source file */
- pthread_mutex_t mtx; /* mutex for thread.c functions */
+struct thread {
+ uint8_t type; /* thread type */
+ uint8_t add_type; /* thread type */
+ struct thread *next; /* next pointer of the thread */
+ struct thread *prev; /* previous pointer of the thread */
+ struct thread **ref; /* external reference (if given) */
+ struct thread_master *master; /* pointer to the struct thread_master */
+ int (*func)(struct thread *); /* event function */
+ void *arg; /* event argument */
+ union {
+ int val; /* second argument of the event. */
+ int fd; /* file descriptor in case of r/w */
+ struct timeval sands; /* rest of time sands value. */
+ } u;
+ int index; /* queue position for timers */
+ struct timeval real;
+ struct cpu_thread_history *hist; /* cache pointer to cpu_history */
+ unsigned long yield; /* yield time in microseconds */
+ const char *funcname; /* name of thread function */
+ const char *schedfrom; /* source file thread was scheduled from */
+ int schedfrom_line; /* line number of source file */
+ pthread_mutex_t mtx; /* mutex for thread.c functions */
};
-struct cpu_thread_history
-{
- int (*func)(struct thread *);
- unsigned int total_calls;
- unsigned int total_active;
- struct time_stats
- {
- unsigned long total, max;
- } real;
- struct time_stats cpu;
- thread_type types;
- const char *funcname;
+struct cpu_thread_history {
+ int (*func)(struct thread *);
+ _Atomic unsigned int total_calls;
+ _Atomic unsigned int total_active;
+ struct time_stats {
+ _Atomic unsigned long total, max;
+ } real;
+ struct time_stats cpu;
+ _Atomic uint32_t types;
+ const char *funcname;
};
/* Struct timeval's tv_usec one second value. */
#define THREAD_FD(X) ((X)->u.fd)
#define THREAD_VAL(X) ((X)->u.val)
-#define THREAD_OFF(thread) \
- do { \
- if (thread) \
- { \
- thread_cancel (thread); \
- thread = NULL; \
- } \
- } while (0)
+#define THREAD_OFF(thread) \
+ do { \
+ if (thread) { \
+ thread_cancel(thread); \
+ thread = NULL; \
+ } \
+ } while (0)
#define THREAD_READ_OFF(thread) THREAD_OFF(thread)
#define THREAD_WRITE_OFF(thread) THREAD_OFF(thread)
#define thread_add_timer_tv(m,f,a,v,t) funcname_thread_add_timer_tv(m,f,a,v,t,#f,__FILE__,__LINE__)
#define thread_add_event(m,f,a,v,t) funcname_thread_add_event(m,f,a,v,t,#f,__FILE__,__LINE__)
#define thread_execute(m,f,a,v) funcname_thread_execute(m,f,a,v,#f,__FILE__,__LINE__)
+#define thread_execute_name(m, f, a, v, n) \
+ funcname_thread_execute(m, f, a, v, n, __FILE__, __LINE__)
/* Prototypes. */
-extern struct thread_master *thread_master_create (void);
-extern void thread_master_free (struct thread_master *);
+extern struct thread_master *thread_master_create(const char *);
+void thread_master_set_name(struct thread_master *master, const char *name);
+extern void thread_master_free(struct thread_master *);
extern void thread_master_free_unused(struct thread_master *);
-extern struct thread * funcname_thread_add_read_write (int dir, struct thread_master *,
- int (*)(struct thread *), void *, int, struct thread **, debugargdef);
-
-extern struct thread * funcname_thread_add_timer (struct thread_master *,
- int (*)(struct thread *), void *, long, struct thread **, debugargdef);
-
-extern struct thread * funcname_thread_add_timer_msec (struct thread_master *,
- int (*)(struct thread *), void *, long, struct thread **, debugargdef);
-
-extern struct thread * funcname_thread_add_timer_tv (struct thread_master *,
- int (*)(struct thread *), void *, struct timeval *, struct thread **, debugargdef);
-
-extern struct thread * funcname_thread_add_event (struct thread_master *,
- int (*)(struct thread *), void *, int, struct thread **, debugargdef);
-
-extern void funcname_thread_execute (struct thread_master *,
- int (*)(struct thread *), void *, int, debugargdef);
+extern struct thread *
+funcname_thread_add_read_write(int dir, struct thread_master *,
+ int (*)(struct thread *), void *, int,
+ struct thread **, debugargdef);
+
+extern struct thread *funcname_thread_add_timer(struct thread_master *,
+ int (*)(struct thread *),
+ void *, long, struct thread **,
+ debugargdef);
+
+extern struct thread *
+funcname_thread_add_timer_msec(struct thread_master *, int (*)(struct thread *),
+ void *, long, struct thread **, debugargdef);
+
+extern struct thread *funcname_thread_add_timer_tv(struct thread_master *,
+ int (*)(struct thread *),
+ void *, struct timeval *,
+ struct thread **,
+ debugargdef);
+
+extern struct thread *funcname_thread_add_event(struct thread_master *,
+ int (*)(struct thread *),
+ void *, int, struct thread **,
+ debugargdef);
+
+extern void funcname_thread_execute(struct thread_master *,
+ int (*)(struct thread *), void *, int,
+ debugargdef);
#undef debugargdef
-extern void thread_cancel (struct thread *);
-extern unsigned int thread_cancel_event (struct thread_master *, void *);
-extern struct thread *thread_fetch (struct thread_master *, struct thread *);
-extern void thread_call (struct thread *);
-extern unsigned long thread_timer_remain_second (struct thread *);
-extern struct timeval thread_timer_remain(struct thread*);
-extern int thread_should_yield (struct thread *);
+extern void thread_cancel(struct thread *);
+extern void thread_cancel_async(struct thread_master *, struct thread **,
+ void *);
+extern void thread_cancel_event(struct thread_master *, void *);
+extern struct thread *thread_fetch(struct thread_master *, struct thread *);
+extern void thread_call(struct thread *);
+extern unsigned long thread_timer_remain_second(struct thread *);
+extern struct timeval thread_timer_remain(struct thread *);
+extern unsigned long thread_timer_remain_msec(struct thread *);
+extern int thread_should_yield(struct thread *);
/* set yield time for thread */
-extern void thread_set_yield_time (struct thread *, unsigned long);
+extern void thread_set_yield_time(struct thread *, unsigned long);
/* Internal libfrr exports */
-extern void thread_getrusage (RUSAGE_T *);
-extern void thread_cmd_init (void);
+extern void thread_getrusage(RUSAGE_T *);
+extern void thread_cmd_init(void);
/* Returns elapsed real (wall clock) time. */
extern unsigned long thread_consumed_time(RUSAGE_T *after, RUSAGE_T *before,
unsigned long *cpu_time_elapsed);
/* only for use in logging functions! */
-extern struct thread *thread_current;
+extern pthread_key_t thread_current;
#endif /* _ZEBRA_THREAD_H */