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Fixed bugs in disk and tape operations when running without asynch disabled - bugs reported by Jordi Guillaumes i Pons

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This commit is contained in:
Mark Pizzolato
2013-01-07 09:25:57 -08:00
parent df4cc945bb
commit 7e1840eb5f
2 changed files with 28 additions and 14 deletions
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21
sim_disk.c
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@@ -239,19 +239,26 @@ static t_bool _disk_is_active (UNIT *uptr)
{
struct disk_context *ctx = (struct disk_context *)uptr->disk_ctx;
sim_debug (ctx->dbit, ctx->dptr, "_disk_is_active(unit=%d, dop=%d)\n", uptr-ctx->dptr->units, ctx->io_dop);
return (ctx->io_dop != DOP_DONE);
if (ctx) {
sim_debug (ctx->dbit, ctx->dptr, "_disk_is_active(unit=%d, dop=%d)\n", uptr-ctx->dptr->units, ctx->io_dop);
return (ctx->io_dop != DOP_DONE);
}
return FALSE;
}
static void _disk_cancel (UNIT *uptr)
{
struct disk_context *ctx = (struct disk_context *)uptr->disk_ctx;
sim_debug (ctx->dbit, ctx->dptr, "_disk_cancel(unit=%d, dop=%d)\n", uptr-ctx->dptr->units, ctx->io_dop);
pthread_mutex_lock (&ctx->io_lock);
while (ctx->io_dop != DOP_DONE)
pthread_cond_wait (&ctx->io_done, &ctx->io_lock);
pthread_mutex_unlock (&ctx->io_lock);
if (ctx) {
sim_debug (ctx->dbit, ctx->dptr, "_disk_cancel(unit=%d, dop=%d)\n", uptr-ctx->dptr->units, ctx->io_dop);
if (ctx->asynch_io) {
pthread_mutex_lock (&ctx->io_lock);
while (ctx->io_dop != DOP_DONE)
pthread_cond_wait (&ctx->io_done, &ctx->io_lock);
pthread_mutex_unlock (&ctx->io_lock);
}
}
}
#else
#define AIO_CALLSETUP