github.com/simh.simh
1
0
Fork 0
mirror of https://github.com/simh/simh.git synced 2026-05-02 22:22:48 +00:00
Code Releases Activity

Added SET ASYNCH and SET NOASYNCH commands to dynamically enable or disable Asynchronous I/O support

Browse Source
This commit is contained in:
Mark Pizzolato
2011-09-25 08:16:40 -07:00
parent 6e098021c2
commit 034e749fce
6 changed files with 102 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
sim_tape.c
View File

@@ -320,14 +320,16 @@ return SCPE_NOFNC;
struct tape_context *ctx = (struct tape_context *)uptr->tape_ctx;
pthread_attr_t attr;
ctx->asynch_io = 1;
ctx->asynch_io = sim_asynch_enabled;
ctx->asynch_io_latency = latency;
pthread_mutex_init (&ctx->io_lock, NULL);
pthread_cond_init (&ctx->io_cond, NULL);
pthread_attr_init(&attr);
pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
pthread_create (&ctx->io_thread, &attr, _tape_io, (void *)uptr);
pthread_attr_destroy(&attr);
if (ctx->asynch_io) {
pthread_mutex_init (&ctx->io_lock, NULL);
pthread_cond_init (&ctx->io_cond, NULL);
pthread_attr_init(&attr);
pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
pthread_create (&ctx->io_thread, &attr, _tape_io, (void *)uptr);
pthread_attr_destroy(&attr);
}
uptr->a_check_completion = _tape_completion_dispatch;
#endif
return SCPE_OK;
@@ -362,7 +364,8 @@ static void _sim_tape_io_flush (UNIT *uptr)
{
#if defined (SIM_ASYNCH_IO)
sim_tape_clr_async (uptr);
sim_tape_set_async (uptr, 0);
if (sim_asynch_enabled)
sim_tape_set_async (uptr, 0);
#endif
fflush (uptr->fileref);
}