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co_routine.main.cpp
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co_routine.main.cpp
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#include "co_routine.h"
#include "co_routine_inner.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <string>
#include <poll.h>
#include <unistd.h>
#include <sys/epoll.h>
#include <sys/time.h>
#include <errno.h>
#include <assert.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/syscall.h>
#include <sys/mman.h>
#include <execinfo.h>
#include <sys/time.h>
extern "C"
{
//extern void co_swapcontext(ucontext_t *, ucontext_t *) asm("co_swapcontext");
extern void coctx_swap(coctx_t*, coctx_t*) asm("coctx_swap");
}
using namespace std;
static pfn_sys_getspecific_t g_pfnSysGetSpecific = NULL;
static pfn_sys_setspecific_t g_pfnSysSetSpecific = NULL;
static pfn_co_eventloop_start_t g_pfnEventLoopStart = NULL;
static pfn_co_eventloop_end_t g_pfnEventLoopEnd = NULL;
struct stBeforeYieldCb_t
{
pfn_before_yield_cb_t cb;
void *arg;
};
static stBeforeYieldCb_t g_arrBeforeYieldCb[ 100 ];
static int g_iBeforeYieldCbLen = 0;
void fire_before_yield_cb()
{
for( int i=0;i<g_iBeforeYieldCbLen;i++ )
{
stBeforeYieldCb_t & c = g_arrBeforeYieldCb[i];
if( !c.cb ) break;
c.cb( c.arg );
}
}
stCoRoutine_t *GetCurrCo( stCoRoutineEnv_t *env );
struct stCoEpoll_t;
struct stStackMemEnv_t;
struct stCoRoutineEnv_t
{
stCoRoutine_t *pCallStack[ 128 ];
int iCallStackSize;
stCoEpoll_t *pEpoll;
//for copy stack
stStackMemEnv_t* pMemEnv;
//for stat
stCoRoutineStat_t* pStat;
//for copy stack log lastco and nextco
stCoRoutine_t* ptNextCo;
stCoRoutine_t* ptLastCo;
stCoRoutine_t *arrCoRoutine[ 20480 ];
int iCoRoutineCnt;
};
//int socket(int domain, int type, int protocol);
void co_log_err( const char *fmt,... )
{
}
static unsigned long long counter(void);
static unsigned long long getCpuKhz()
{
FILE *fp = fopen("/proc/cpuinfo","r");
if(!fp) return 1;
char buf[4096] = {0};
fread(buf,1,sizeof(buf),fp);
fclose(fp);
char *lp = strstr(buf,"cpu MHz");
if(!lp) return 1;
lp += strlen("cpu MHz");
while(*lp == ' ' || *lp == '\t' || *lp == ':')
{
++lp;
}
double mhz = atof(lp);
unsigned long long u = (unsigned long long)(mhz * 1000);
return u;
}
/*
* Notice!
* Can't use GetTimeOfDay for time adjusted!
*/
static unsigned long long GetTickMS()
{
unsigned long long result = 0;
static uint32_t khz = getCpuKhz();
result = counter() / khz;
return result;
}
static unsigned long long counter(void)
{
register uint32_t lo, hi;
register unsigned long long o;
__asm__ __volatile__ (
"rdtscp" : "=a"(lo), "=d"(hi)
);
o = hi;
o <<= 32;
return (o | lo);
}
static pid_t GetPid()
{
static __thread pid_t pid = 0;
static __thread pid_t tid = 0;
if( !pid || !tid || pid != getpid() )
{
pid = getpid();
tid = syscall( __NR_gettid );
}
return tid;
}
/*
static pid_t GetPid()
{
char **p = (char**)pthread_self();
return p ? *(pid_t*)(p + 18) : getpid();
}
*/
template <class T,class TLink>
void RemoveFromLink(T *ap)
{
TLink *lst = ap->pLink;
if(!lst) return ;
assert( lst->head && lst->tail );
if( ap == lst->head )
{
lst->head = ap->pNext;
if(lst->head)
{
lst->head->pPrev = NULL;
}
}
else
{
if(ap->pPrev)
{
ap->pPrev->pNext = ap->pNext;
}
}
if( ap == lst->tail )
{
lst->tail = ap->pPrev;
if(lst->tail)
{
lst->tail->pNext = NULL;
}
}
else
{
ap->pNext->pPrev = ap->pPrev;
}
ap->pPrev = ap->pNext = NULL;
ap->pLink = NULL;
}
template <class TNode,class TLink>
void inline AddTail(TLink*apLink,TNode *ap)
{
if( ap->pLink )
{
return ;
}
if(apLink->tail)
{
apLink->tail->pNext = (TNode*)ap;
ap->pNext = NULL;
ap->pPrev = apLink->tail;
apLink->tail = ap;
}
else
{
apLink->head = apLink->tail = ap;
ap->pNext = ap->pPrev = NULL;
}
ap->pLink = apLink;
}
template <class TNode,class TLink>
void inline PopHead( TLink*apLink )
{
if( !apLink->head )
{
return ;
}
TNode *lp = apLink->head;
if( apLink->head == apLink->tail )
{
apLink->head = apLink->tail = NULL;
}
else
{
apLink->head = apLink->head->pNext;
}
lp->pPrev = lp->pNext = NULL;
lp->pLink = NULL;
if( apLink->head )
{
apLink->head->pPrev = NULL;
}
}
template <class TNode,class TLink>
void inline Join( TLink*apLink,TLink *apOther )
{
//printf("apOther %p\n",apOther);
if( !apOther->head )
{
return ;
}
TNode *lp = apOther->head;
while( lp )
{
lp->pLink = apLink;
lp = lp->pNext;
}
lp = apOther->head;
if(apLink->tail)
{
apLink->tail->pNext = (TNode*)lp;
lp->pPrev = apLink->tail;
apLink->tail = apOther->tail;
}
else
{
apLink->head = apOther->head;
apLink->tail = apOther->tail;
}
apOther->head = apOther->tail = NULL;
}
/////////////////for copy stack //////////////////////////
static bool g_bEnableShareStack = false;
void co_enable_share_stack(bool bEnableShareStack)
{
g_bEnableShareStack = bEnableShareStack;
}
struct stStackMem_t
{
char* stack;
char* stack_bp;
stCoRoutine_t* co;
};
struct stStackMemEnv_t
{
int count;
unsigned int alloc_idx;
int stack_size;
stStackMem_t* mem;
};
stStackMemEnv_t* co_alloc_stackmemenv(int iCount, int iStackSize)
{
stStackMemEnv_t* memenv = (stStackMemEnv_t*)malloc(sizeof(stStackMemEnv_t));
if (!memenv)
{
return NULL;
}
memenv->count = iCount;
memenv->alloc_idx = 0;
memenv->stack_size = iStackSize;
memenv->mem = (stStackMem_t*)malloc(iCount * sizeof(stStackMem_t));
if (!memenv->mem)
{
free(memenv);
return NULL;
}
for (int i = 0; i < iCount; i++)
{
memenv->mem[i].stack = (char*)malloc(iStackSize);
if (!memenv->mem[i].stack)
{
free(memenv->mem);
free(memenv);
return NULL;
}
memenv->mem[i].stack_bp = memenv->mem[i].stack + iStackSize;
memenv->mem[i].co = NULL;
}
return memenv;
}
void co_copy_stack_out(stCoRoutine_t* last, stCoRoutine_t* next, stCoRoutineEnv_t* env)
{
///copy out
char* pRunStackBP = last->pDynamicStack->stack_bp;
int len = pRunStackBP - last->pRunStackSP;
if (!last->pBuffer || last->iStackCapacity < len)
{
//align size to pow(2,n);
int align_len= 128;
while (align_len < len)
{
align_len *= 2;
}
if (last->pBuffer)
{
free(last->pBuffer), last->pBuffer = NULL;
env->pStat->alloc_buffer_size -= last->iStackCapacity;
}
last->pBuffer = (char*)malloc(align_len); //malloc buf;
last->iStackCapacity = align_len;
env->pStat->alloc_buffer_size += align_len;
}
memcpy(last->pBuffer, last->pRunStackSP, len);
//printf("stack_capacity %llu copy out %llu\n", last->iStackCapacity, len);
last->iStackLen = len;
env->pStat->copy_out_size += len;
env->pStat->copy_out_count++;
}
void co_swap_wrapper(stCoRoutine_t* curr, stCoRoutine_t* next, stCoRoutineEnv_t* env)
{
if (!g_bEnableShareStack)
{
env->pStat->normal_resume_count++;
coctx_swap(&curr->ctx, &next->ctx);
return;
}
char c;
curr->pRunStackSP = &c;
env->ptNextCo = NULL;
env->ptLastCo = NULL;
do
{
if (!next->pDynamicStack)
{
env->pStat->normal_resume_count++;
break;
}
env->pStat->copy_resume_count++;
env->ptNextCo = next;
//get current co stack;
//save stack to mem;
stCoRoutine_t* last = next->pDynamicStack->co;
env->ptLastCo = last;
if (!last || last == next)
{
env->pStat->hit_count++;
}
else
{
env->pStat->not_hit_count++;
//resume stack from mem;
co_copy_stack_out(last, next, env);
}
next->pDynamicStack->co = next;
} while (0);
//swap context
coctx_swap(&(curr->ctx),&(next->ctx) );
//co_swapcontext( &(curr->ctx),&(next->ctx) );
volatile stCoRoutineEnv_t* last_stack_env = co_get_curr_thread_env();
if (last_stack_env->ptLastCo && last_stack_env->ptNextCo && last_stack_env->ptLastCo != last_stack_env->ptNextCo)
{
//copy in
if (last_stack_env->ptNextCo->pBuffer && last_stack_env->ptNextCo->iStackLen > 0)
{
memcpy(last_stack_env->ptNextCo->pRunStackSP, last_stack_env->ptNextCo->pBuffer, last_stack_env->ptNextCo->iStackLen);
volatile stCoRoutineEnv_t* curr_stack_env = co_get_curr_thread_env();
curr_stack_env->pStat->copy_in_size += curr_stack_env->ptNextCo->iStackLen;
curr_stack_env->pStat->copy_in_count++;
}
}
}
stStackMem_t* co_get_stackmem(stCoRoutine_t* co, stStackMemEnv_t* memenv)
{
if (!memenv || !co)
{
return NULL;
}
int idx = memenv->alloc_idx % memenv->count;
memenv->alloc_idx++;
co->pStackEnv = memenv;
co->pDynamicStack = (memenv->mem + idx);
return (memenv->mem + idx);
}
// ----------------------------------------------------------------------------
struct stTimeoutItemLink_t;
struct stTimeoutItem_t;
struct stCoEpoll_t
{
int iEpollFd;
static const int _EPOLL_SIZE = 1024 * 10;
struct stTimeout_t *pTimeout;
struct stTimeoutItemLink_t *pstTimeoutList;
struct stTimeoutItemLink_t *pstActiveList;
};
typedef void (*OnPreparePfn_t)( stTimeoutItem_t *,struct epoll_event &ev, stTimeoutItemLink_t *active );
typedef void (*OnProcessPfn_t)( stTimeoutItem_t *);
struct stTimeoutItem_t
{
enum
{
eMaxTimeout = 40 * 1000 //40s
};
stTimeoutItem_t *pPrev;
stTimeoutItem_t *pNext;
stTimeoutItemLink_t *pLink;
unsigned long long ullExpireTime;
OnPreparePfn_t pfnPrepare;
OnProcessPfn_t pfnProcess;
void *pArg; // routine
bool bTimeout;
};
struct stTimeoutItemLink_t
{
stTimeoutItem_t *head;
stTimeoutItem_t *tail;
};
struct stTimeout_t
{
stTimeoutItemLink_t *pItems;
int iItemSize;
unsigned long long ullStart;
long long llStartIdx;
};
stTimeout_t *AllocTimeout( int iSize )
{
stTimeout_t *lp = (stTimeout_t*)calloc( 1,sizeof(stTimeout_t) );
lp->iItemSize = iSize;
lp->pItems = (stTimeoutItemLink_t*)calloc( 1,sizeof(stTimeoutItemLink_t) * lp->iItemSize );
lp->ullStart = GetTickMS();
lp->llStartIdx = 0;
return lp;
}
void FreeTimeout( stTimeout_t *apTimeout )
{
free( apTimeout->pItems );
free ( apTimeout );
}
int AddTimeout( stTimeout_t *apTimeout,stTimeoutItem_t *apItem ,unsigned long long allNow )
{
if( apTimeout->ullStart == 0 )
{
apTimeout->ullStart = allNow;
apTimeout->llStartIdx = 0;
}
if( allNow < apTimeout->ullStart )
{
co_log_err("CO_ERR: AddTimeout line %d allNow %llu apTimeout->ullStart %llu",
__LINE__,allNow,apTimeout->ullStart);
return __LINE__;
}
if( apItem->ullExpireTime < allNow )
{
co_log_err("CO_ERR: AddTimeout line %d apItem->ullExpireTime %llu allNow %llu apTimeout->ullStart %llu",
__LINE__,apItem->ullExpireTime,allNow,apTimeout->ullStart);
return __LINE__;
}
int diff = apItem->ullExpireTime - apTimeout->ullStart;
if( diff >= apTimeout->iItemSize )
{
diff = apTimeout->iItemSize - 1;
co_log_err("CO_ERR: AddTimeout line %d diff %d",
__LINE__,diff);
//return __LINE__;
}
AddTail( apTimeout->pItems + ( apTimeout->llStartIdx + diff ) % apTimeout->iItemSize , apItem );
return 0;
}
inline void TakeAllTimeout( stTimeout_t *apTimeout,unsigned long long allNow,stTimeoutItemLink_t *apResult )
{
if( apTimeout->ullStart == 0 )
{
apTimeout->ullStart = allNow;
apTimeout->llStartIdx = 0;
}
if( allNow < apTimeout->ullStart )
{
return ;
}
int cnt = allNow - apTimeout->ullStart + 1;
if( cnt > apTimeout->iItemSize )
{
cnt = apTimeout->iItemSize;
}
if( cnt < 0 )
{
return;
}
for( int i = 0;i<cnt;i++)
{
int idx = ( apTimeout->llStartIdx + i) % apTimeout->iItemSize;
Join<stTimeoutItem_t,stTimeoutItemLink_t>( apResult,apTimeout->pItems + idx );
}
apTimeout->ullStart = allNow;
apTimeout->llStartIdx += cnt - 1;
}
static void CoRoutineFunc( stCoRoutine_t* co, void* )
{
/*
unsigned long p = (uint32_t)co_high;
p <<= 32;
p |= (uint32_t)co_low;
stCoRoutine_t *co = (stCoRoutine_t*)p;
*/
if( co->pfn )
{
co->pfn( co->arg );
}
co->cEnd = 1;
stCoRoutineEnv_t *env = co->env;
co_yield_env( env );
}
/*
struct stCoRoutine_t *co_create_env( stCoRoutineEnv_t * env,
const stCoRoutineAttr_t *attr,
pfn_co_routine_t pfn,void *arg )
{
stCoRoutineAttr_t at = { 0 };
if( attr )
{
memcpy( &at,attr,sizeof(at) );
}
if( at.stack_size <= 0 )
{
at.stack_size = 128 * 1024;
}
else if( at.stack_size > 1024 * 1024 * 8 )
{
at.stack_size = 1024 * 1024 * 8;
}
int len = (int)sizeof( stCoRoutine_t ) + at.stack_size;
stCoRoutine_t *lp = (stCoRoutine_t*)malloc( len );
printf("malloc len %d stack %d\n",len,at.stack_size );
memset( lp,0,(long)((stCoRoutine_t*)0)->sRunStack );
lp->env = env;
lp->pfn = pfn;
lp->arg = arg;
lp->aSpecPtr[0] = lp->aSpecInner;
lp->aSpecPtr[ 1024 >> 7 ] = lp->aSpecInner2;
lp->ctx.uc_stack.ss_sp = lp->sRunStack ;
lp->ctx.uc_stack.ss_size = len - sizeof(stCoRoutine_t) ;
return lp;
}
*/
static bool g_bUseProtect = true;
void SetUseProtect(bool bUseProtect)
{
g_bUseProtect = bUseProtect;
}
struct stCoRoutine_t *co_create_env( stCoRoutineEnv_t * env,
const stCoRoutineAttr_t *attr,
pfn_co_routine_t pfn,void *arg )
{
stCoRoutineAttr_t at = { 0 };
if( attr )
{
memcpy( &at,attr,sizeof(at) );
}
if( at.stack_size <= 0 )
{
at.stack_size = 128 * 1024;
}
else if( at.stack_size > 1024 * 1024 * 8 )
{
at.stack_size = 1024 * 1024 * 8;
}
if( at.stack_size & 0xFFF )
{
at.stack_size &= ~0xFFF;
at.stack_size += 0x1000;
}
const int iPageSize = 4096;
stCoRoutine_t *lp = (stCoRoutine_t*)malloc( sizeof(stCoRoutine_t) );
memset( lp,0,(long)(sizeof(stCoRoutine_t)));
char *pBuffer = 0;
char *pStackBuffer = 0;
if (at.use_share_stack && g_bEnableShareStack)
{
stStackMem_t* sharestack = NULL;
if (at.stack_env)
{
sharestack = co_get_stackmem(lp, at.stack_env);
at.stack_size = at.stack_env->stack_size;
}
else
{
if (!env->pMemEnv)
{
env->pMemEnv = co_alloc_stackmemenv(50, 128 * 1024);
}
sharestack = co_get_stackmem(lp, env->pMemEnv);
at.stack_size = env->pMemEnv->stack_size;
}
assert(sharestack != NULL);
pStackBuffer = sharestack->stack;
env->pStat->use_share_stack_cnt++;
}
else if( at.no_protect_stack || !g_bUseProtect)
{
pBuffer = (char*)malloc( at.stack_size );
assert( pBuffer );
pStackBuffer = pBuffer;
}
else
{
pBuffer = (char*)mmap(NULL, 2 * iPageSize + at.stack_size ,
PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE , -1, 0 );
if( pBuffer == (void*)-1 || pBuffer == 0 )
{
assert( false );
}
mprotect( pBuffer, iPageSize , PROT_NONE );
mprotect( pBuffer + iPageSize + at.stack_size, iPageSize , PROT_NONE );
pStackBuffer = pBuffer + iPageSize;
}
lp->cNoProtectStack = at.no_protect_stack;
lp->pRunStack = pStackBuffer;
lp->pRunStackSP = pStackBuffer + (at.stack_size - sizeof(long));
lp->env = env;
lp->pfn = pfn;
lp->arg = arg;
/*
lp->aSpecPtr[0] = lp->aSpecInner;
lp->aSpecPtr[ 1024 >> 7 ] = lp->aSpecInner2;
*/
// ucontext_t
//lp->ctx.uc_stack.ss_sp = lp->pRunStack;
//lp->ctx.uc_stack.ss_size = at.stack_size - sizeof(long);
//use coctx_t
lp->ctx.ss_sp = lp->pRunStack;
lp->ctx.ss_size = at.stack_size - sizeof(long);
if( env->iCoRoutineCnt < (int)(sizeof(env->arrCoRoutine)/sizeof(env->arrCoRoutine[0])) )
{
env->arrCoRoutine[ env->iCoRoutineCnt ] = lp;
env->iCoRoutineCnt++;
}
return lp;
}
int co_create( stCoRoutine_t **ppco,const stCoRoutineAttr_t *attr,pfn_co_routine_t pfn,void *arg )
{
if( !co_get_curr_thread_env() )
{
co_init_curr_thread_env();
}
stCoRoutine_t *co = co_create_env( co_get_curr_thread_env(),attr,pfn,arg );
*ppco = co;
return 0;
}
void co_free( stCoRoutine_t *co )
{
if( co->cNoProtectStack )
{
free( co->pRunStack );
}
else
{
//munmap( co->pRunStack - 4096,co->ctx.uc_stack.ss_size + 8192 );
munmap( co->pRunStack - 4096,co->ctx.ss_size + 8192 );
}
//free( co->pRunStack - 4096 );//,co->ctx.uc_stack.ss_size + 8192 );
free( co );
}
void co_release( stCoRoutine_t *co )
{
if( co->cEnd )
{
free( co );
}
}
void co_resume( stCoRoutine_t *co )
{
stCoRoutineEnv_t *env = co->env;
stCoRoutine_t *lpCurrRoutine = env->pCallStack[ env->iCallStackSize - 1 ];
if( !co->cStart )
{
/*
unsigned long p = (unsigned long)co;
getcontext(&co->ctx);
makecontext( &co->ctx, (pfnCoRoutineFunc_t)CoRoutineFunc, 2,(int)(p & 0xffffffff), (int)((p >> 32) & 0xffffffff) );
co->cStart = 1;
*/
coctx_make(&co->ctx, (coctx_pfn_t)CoRoutineFunc, co, 0);
co->cStart = 1;
}
//co->ctx.uc_link = &lpCurrRoutine->ctx;
env->pCallStack[ env->iCallStackSize++ ] = co;
co_swap_wrapper(lpCurrRoutine, co, env);
//swapcontext( &(lpCurrRoutine->ctx),&(co->ctx) );
}
void co_yield_env( stCoRoutineEnv_t *env )
{
fire_before_yield_cb();
stCoRoutine_t *last = env->pCallStack[ env->iCallStackSize - 2 ];
stCoRoutine_t *curr = env->pCallStack[ env->iCallStackSize - 1 ];
env->iCallStackSize--;
env->pStat->yield_cnt++;
//co_swapcontext( &curr->ctx, &last->ctx );
co_swap_wrapper(curr, last, env);
}
void co_yield_resume_env( stCoRoutineEnv_t *env,stCoRoutine_t *dest )
{
stCoRoutine_t *last = env->pCallStack[ env->iCallStackSize - 2 ];
stCoRoutine_t *curr = env->pCallStack[ env->iCallStackSize - 1 ];
if( last == dest )
{
env->iCallStackSize--;
//co_swapcontext( &curr->ctx, &last->ctx );
co_swap_wrapper(curr, last, env);
}
else
{
env->pCallStack[ env->iCallStackSize - 1 ] = dest;
//co_swapcontext( &curr->ctx, &dest->ctx );
co_swap_wrapper(curr, dest, env);
}
}
void co_yield_resume_ct( stCoRoutine_t *dest )
{
co_yield_resume_env( co_get_curr_thread_env(),dest );
}
void co_yield_ct()
{
co_yield_env( co_get_curr_thread_env() );
}
void co_yield( stCoRoutine_t *co )
{
co_yield_env( co->env );
}
//int poll(struct pollfd fds[], nfds_t nfds, int timeout);
// { fd,events,revents }
struct stPollItem_t ;
struct stPoll_t : public stTimeoutItem_t
{
struct pollfd *fds;
nfds_t nfds; // typedef unsigned long int nfds_t;
stPollItem_t *pPollItems;
int iAllEventDetach;
int iEpollFd;
int iRaiseCnt;
};
struct stPollItem_t : public stTimeoutItem_t
{
struct pollfd *pSelf;
stPoll_t *pPoll;
struct epoll_event stEvent;
};
struct stCoEvent_t : public stTimeoutItem_t
{
int fd;
struct epoll_event stEvent;
struct epoll_event stREvent;
pfn_co_event_call_back pfn;
void* args;
};
struct stCoCond_t;
struct stCoCondItem_t
{
stCoCondItem_t *pPrev;
stCoCondItem_t *pNext;
stCoCond_t *pLink;
stTimeoutItem_t timeout;
};
struct stCoCond_t
{
stCoCondItem_t *head;
stCoCondItem_t *tail;
};
static void OnSignalProcessEvent( stTimeoutItem_t * ap )
{
stCoRoutine_t *co = (stCoRoutine_t*)ap->pArg;
co_resume( co );
}
stCoCondItem_t *co_cond_pop( stCoCond_t *link );
int co_cond_signal( stCoCond_t *si )
{
stCoCondItem_t * sp = co_cond_pop( si );
if( !sp )
{
return 0;
}
RemoveFromLink<stTimeoutItem_t,stTimeoutItemLink_t>( &sp->timeout );
AddTail( co_get_curr_thread_env()->pEpoll->pstActiveList,&sp->timeout );
return 0;
}
int co_cond_broadcast( stCoCond_t *si )
{
for(;;)
{
stCoCondItem_t * sp = co_cond_pop( si );
if( !sp ) return 0;
RemoveFromLink<stTimeoutItem_t,stTimeoutItemLink_t>( &sp->timeout );
AddTail( co_get_curr_thread_env()->pEpoll->pstActiveList,&sp->timeout );
}
return 0;
}
int co_cond_timedwait( stCoCond_t *link,int ms )
{
stCoCondItem_t* psi = (stCoCondItem_t*)calloc(1, sizeof(stCoCondItem_t));
psi->timeout.pArg = GetCurrThreadCo();
psi->timeout.pfnProcess = OnSignalProcessEvent;
if( ms > 0 )
{
unsigned long long now = GetTickMS();
psi->timeout.ullExpireTime = now + ms;
int ret = AddTimeout( co_get_curr_thread_env()->pEpoll->pTimeout,&psi->timeout,now );
if( ret != 0 )
{
free(psi);
return ret;
}
}
AddTail( link, psi);
co_yield_ct();
RemoveFromLink<stCoCondItem_t,stCoCond_t>( psi );
free(psi);
return 0;
}
stCoCond_t *co_cond_alloc()
{
return (stCoCond_t*)calloc( 1,sizeof(stCoCond_t) );
}
int co_cond_free( stCoCond_t * cc )
{
free( cc );
return 0;
}
stCoCondItem_t *co_cond_pop( stCoCond_t *link )
{
stCoCondItem_t *p = link->head;
if( p )
{
PopHead<stCoCondItem_t,stCoCond_t>( link );
}
return p;
}
/*
* EPOLLPRI POLLPRI // There is urgent data to read.
* EPOLLMSG POLLMSG
*
* POLLREMOVE
* POLLRDHUP
* POLLNVAL
*
* */
static uint32_t PollEvent2Epoll( short events )
{
uint32_t e = 0;
if( events & POLLIN ) e |= EPOLLIN;
if( events & POLLOUT ) e |= EPOLLOUT;
if( events & POLLHUP ) e |= EPOLLHUP;
if( events & POLLERR ) e |= EPOLLERR;
if( events & POLLRDNORM ) e |= EPOLLRDNORM;
if( events & POLLWRNORM ) e |= EPOLLWRNORM;
return e;
}
static short EpollEvent2Poll( uint32_t events )
{
short e = 0;
if( events & EPOLLIN ) e |= POLLIN;
if( events & EPOLLOUT ) e |= POLLOUT;
if( events & EPOLLHUP ) e |= POLLHUP;
if( events & EPOLLERR ) e |= POLLERR;
if( events & EPOLLRDNORM ) e |= POLLRDNORM;
if( events & EPOLLWRNORM ) e |= POLLWRNORM;
return e;
}