diff options
Diffstat (limited to 'libglusterfs/src/glusterfs/syncop.h')
-rw-r--r-- | libglusterfs/src/glusterfs/syncop.h | 80 |
1 files changed, 66 insertions, 14 deletions
diff --git a/libglusterfs/src/glusterfs/syncop.h b/libglusterfs/src/glusterfs/syncop.h index 3614d969264..4e9241a32fc 100644 --- a/libglusterfs/src/glusterfs/syncop.h +++ b/libglusterfs/src/glusterfs/syncop.h @@ -16,6 +16,8 @@ #include <ucontext.h> #include "glusterfs/dict.h" // for dict_t #include "glusterfs/stack.h" // for call_frame_t, STACK_DESTROY, STACK_... +#include "glusterfs/timer.h" + #define SYNCENV_PROC_MAX 16 #define SYNCENV_PROC_MIN 2 #define SYNCPROC_IDLE_TIME 600 @@ -29,9 +31,15 @@ #define SYNCOPCTX_PID 0x00000008 #define SYNCOPCTX_LKOWNER 0x00000010 +#ifdef HAVE_TSAN_API +/* Currently hardcoded within thread context maintained by the sanitizer. */ +#define TSAN_THREAD_NAMELEN 64 +#endif + struct synctask; struct syncproc; struct syncenv; +struct synccond; typedef int (*synctask_cbk_t)(int ret, call_frame_t *frame, void *opaque); @@ -55,9 +63,12 @@ struct synctask { call_frame_t *opframe; synctask_cbk_t synccbk; synctask_fn_t syncfn; - synctask_state_t state; + struct timespec *delta; + gf_timer_t *timer; + struct synccond *synccond; void *opaque; void *stack; + synctask_state_t state; int woken; int slept; int ret; @@ -65,6 +76,13 @@ struct synctask { uid_t uid; gid_t gid; +#ifdef HAVE_TSAN_API + struct { + void *fiber; + char name[TSAN_THREAD_NAMELEN]; + } tsan; +#endif + ucontext_t ctx; struct syncproc *proc; @@ -77,6 +95,14 @@ struct synctask { struct syncproc { pthread_t processor; + +#ifdef HAVE_TSAN_API + struct { + void *fiber; + char name[TSAN_THREAD_NAMELEN]; + } tsan; +#endif + ucontext_t sched; struct syncenv *env; struct synctask *current; @@ -85,19 +111,21 @@ struct syncproc { /* hosts the scheduler thread and framework for executing synctasks */ struct syncenv { struct syncproc proc[SYNCENV_PROC_MAX]; - int procs; + + pthread_mutex_t mutex; + pthread_cond_t cond; struct list_head runq; - int runcount; struct list_head waitq; - int waitcount; + + int procs; + int procs_idle; + + int runcount; int procmin; int procmax; - pthread_mutex_t mutex; - pthread_cond_t cond; - size_t stacksize; int destroy; /* FLAG to mark syncenv is in destroy mode @@ -123,6 +151,13 @@ struct synclock { }; typedef struct synclock synclock_t; +struct synccond { + pthread_mutex_t pmutex; + pthread_cond_t pcond; + struct list_head waitq; +}; +typedef struct synccond synccond_t; + struct syncbarrier { gf_boolean_t initialized; /*Set on successful initialization*/ pthread_mutex_t guard; /* guard the remaining members, pair @cond */ @@ -219,7 +254,7 @@ struct syncopctx { #define __yield(args) \ do { \ if (args->task) { \ - synctask_yield(args->task); \ + synctask_yield(args->task, NULL); \ } else { \ pthread_mutex_lock(&args->mutex); \ { \ @@ -240,7 +275,7 @@ struct syncopctx { task = synctask_get(); \ stb->task = task; \ if (task) \ - frame = task->opframe; \ + frame = copy_frame(task->opframe); \ else \ frame = syncop_create_frame(THIS); \ \ @@ -261,10 +296,7 @@ struct syncopctx { STACK_WIND_COOKIE(frame, cbk, (void *)stb, subvol, fn_op, params); \ \ __yield(stb); \ - if (task) \ - STACK_RESET(frame->root); \ - else \ - STACK_DESTROY(frame->root); \ + STACK_DESTROY(frame->root); \ } while (0) /* @@ -313,7 +345,9 @@ synctask_join(struct synctask *task); void synctask_wake(struct synctask *task); void -synctask_yield(struct synctask *task); +synctask_yield(struct synctask *task, struct timespec *delta); +void +synctask_sleep(int32_t secs); void synctask_waitfor(struct synctask *task, int count); @@ -411,6 +445,24 @@ synclock_trylock(synclock_t *lock); int synclock_unlock(synclock_t *lock); +int32_t +synccond_init(synccond_t *cond); + +void +synccond_destroy(synccond_t *cond); + +int +synccond_wait(synccond_t *cond, synclock_t *lock); + +int +synccond_timedwait(synccond_t *cond, synclock_t *lock, struct timespec *delta); + +void +synccond_signal(synccond_t *cond); + +void +synccond_broadcast(synccond_t *cond); + int syncbarrier_init(syncbarrier_t *barrier); int |