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SCP: Fix potential hang during debug when asynchronous I/O is happening

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This commit is contained in:
Mark Pizzolato 2020-02-16 17:15:49 -08:00
parent 27ebb9a8ee
commit 964b177616
1 changed files with 10 additions and 2 deletions
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12
sim_defs.h
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@ -1090,7 +1090,11 @@ extern int32 sim_asynch_latency;
extern int32 sim_asynch_inst_latency;
/* Thread local storage */
#if defined(__GNUC__) && !defined(__APPLE__) && !defined(__hpux) && !defined(__OpenBSD__) && !defined(_AIX)
#if defined(thread_local)
#define AIO_TLS thread_local
#elif (__STDC_VERSION__ >= 201112) && !(defined(__STDC_NO_THREADS__))
#define AIO_TLS _Thread_local
#elif defined(__GNUC__) && !defined(__APPLE__) && !defined(__hpux) && !defined(__OpenBSD__) && !defined(_AIX)
#define AIO_TLS __thread
#elif defined(_MSC_VER)
#define AIO_TLS __declspec(thread)
@ -1255,7 +1259,11 @@ extern int32 sim_asynch_inst_latency;
sim_asynch_queue = uptr; \
} \
if (sim_idle_wait) { \
sim_debug (TIMER_DBG_IDLE, &sim_timer_dev, "waking due to event on %s after %d instructions\n", sim_uname(uptr), event_time);\
if (sim_deb) { /* only while debug do lock/unlock overhead */ \
AIO_UNLOCK; \
sim_debug (TIMER_DBG_IDLE, &sim_timer_dev, "waking due to event on %s after %d instructions\n", sim_uname(uptr), event_time);\
AIO_LOCK; \
} \
pthread_cond_signal (&sim_asynch_wake); \
} \
AIO_UNLOCK; \