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optimize source code, and add printf for error 

Signed-off-by: qiyin.zhang <qiyin.zhang@ihuisen.com>
master V0.1
qiyin.zhang 2019-05-06 10:38:43 +08:00
parent c5b1bb79af
commit 75990f0447
1 changed files with 33 additions and 9 deletions
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38
timer.c
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@ -1,4 +1,6 @@
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
@ -77,10 +79,16 @@ int timer_init(int max_num)
timer_object_name.timer_active_flag = true;
timer_object_name.timer_epoll_fd = epoll_create(max_num);
if(timer_object_name.timer_epoll_fd < 0)
{
printf("MT-Timer error: epoll_create failed %s.\n", strerror(errno));
return -1;
}
if(pthread_create(&timer_object_name.timer_thread_id, NULL, mt_timer_thread_name, NULL) != 0)
{
printf("MT-Timer error: pthread_create failed %s.\n", strerror(errno));
return -1;
}
return 0;
}
@ -97,8 +105,8 @@ void timer_deinit(void)
itimespec.it_interval.tv_nsec = 0;
timer_add(&itimespec, 0, NULL, NULL);
pthread_join(timer_object_name.timer_thread_id, NULL);
timer_clear();
}
int timer_add(struct itimerspec *itimespec, int repeat, timer_callback_t cb, void *data)
@ -108,7 +116,10 @@ int timer_add(struct itimerspec *itimespec, int repeat, timer_callback_t cb, voi
handler = (MT_TIMER_NODE *)malloc(sizeof(MT_TIMER_NODE));
if(NULL == handler)
{
printf("MT-Timer error: malloc failed %s.\n", strerror(errno));
return -1;
}
handler->timer_cb = cb;
handler->timer_cnt = repeat;
@ -116,11 +127,14 @@ int timer_add(struct itimerspec *itimespec, int repeat, timer_callback_t cb, voi
handler->timer_fd = timerfd_create(CLOCK_REALTIME, TFD_CLOEXEC|TFD_NONBLOCK);
if(handler->timer_fd < 0)
{
printf("MT-Timer error: timerfd_create failed %s.\n", strerror(errno));
free(handler);
return -2;
}
if(timerfd_settime(handler->timer_fd, 0, itimespec, NULL) == -1)
{
printf("MT-Timer error: timerfd_settime failed %s.\n", strerror(errno));
close(handler->timer_fd);
free(handler);
return -3;
}
@ -129,6 +143,8 @@ int timer_add(struct itimerspec *itimespec, int repeat, timer_callback_t cb, voi
event.data.ptr = handler;
if(epoll_ctl(timer_object_name.timer_epoll_fd, EPOLL_CTL_ADD, handler->timer_fd, &event) < 0)
{
printf("MT-Timer error: epoll_ctl ADD failed %s.\n", strerror(errno));
close(handler->timer_fd);
free(handler);
return -4;
}
@ -148,13 +164,18 @@ int timer_del(int timerfd)
HASH_FIND_INT(timer_object_name.timer_head, &timerfd, handler);
if(NULL == handler)
return 0;
pthread_rwlock_wrlock(&timer_object_name.timer_rwlock);
HASH_DEL(timer_object_name.timer_head, handler);
pthread_rwlock_unlock(&timer_object_name.timer_rwlock);
event.data.ptr = (void *)handler;
event.events = EPOLLIN | EPOLLET;
if(epoll_ctl(timer_object_name.timer_epoll_fd, EPOLL_CTL_DEL, handler->timer_fd, &event) < 0)
{
printf("MT-Timer error: epoll_ctl DEL failed %s.\n", strerror(errno));
return -1;
}
pthread_rwlock_wrlock(&timer_object_name.timer_rwlock);
HASH_DEL(timer_object_name.timer_head, handler);
pthread_rwlock_unlock(&timer_object_name.timer_rwlock);
close(handler->timer_fd);
free(handler);
@ -178,12 +199,15 @@ int timer_clear(void)
event.events = EPOLLIN | EPOLLET;
for(handler = timer_object_name.timer_head; handler != NULL; handler = handler->hh.next)
{
event.data.ptr = (void *)handler;
if(epoll_ctl(timer_object_name.timer_epoll_fd, EPOLL_CTL_DEL, handler->timer_fd, &event) < 0)
{
printf("MT-Timer error: epoll_ctl CLEAR failed %s.\n", strerror(errno));
return -1;
}
pthread_rwlock_wrlock(&timer_object_name.timer_rwlock);
HASH_DEL(timer_object_name.timer_head, handler);
pthread_rwlock_unlock(&timer_object_name.timer_rwlock);
event.data.ptr = (void *)handler;
if(epoll_ctl(timer_object_name.timer_epoll_fd, EPOLL_CTL_DEL, handler->timer_fd, &event) < 0)
return -1;
close(handler->timer_fd);
free(handler);
}