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2002-06-14 Marcus Brinkmann <marcus@g10code.de>

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* wait.c (do_select): Return -1 on error, and 0 if nothing to run.
	(_gpgme_wait_one): Only set HANG to zero if do_select returned an
	error, or there are no more file descriptors to wait on.
	(_gpgme_wait_on_condition): Ignore return value from do_select for
	now.
This commit is contained in:
Marcus Brinkmann 2002-06-14 20:06:35 +00:00
parent 2fe7046d15
commit ccde48c08d
2 changed files with 40 additions and 10 deletions
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8
gpgme/ChangeLog
View File

@ -1,3 +1,11 @@
2002-06-14 Marcus Brinkmann <marcus@g10code.de>
* wait.c (do_select): Return -1 on error, and 0 if nothing to run.
(_gpgme_wait_one): Only set HANG to zero if do_select returned an
error, or there are no more file descriptors to wait on.
(_gpgme_wait_on_condition): Ignore return value from do_select for
now.
2002-06-13 Werner Koch <wk@gnupg.org>
* verify.c (gpgme_op_verify): Make sure that we never access an

40
gpgme/wait.c
View File

@ -143,8 +143,8 @@ run_idle ()
/* Wait on all file descriptors listed in FDT and process them using
the registered callbacks. Returns 0 if nothing to run and 1 if it
did run something. */
the registered callbacks. Returns -1 on error (with errno set), 0
if nothing to run and 1 if it did run something. */
static int
do_select (fd_table_t fdt)
{
@ -157,7 +157,7 @@ do_select (fd_table_t fdt)
if (n <= 0)
{
UNLOCK (fdt->lock);
return 0; /* Error or timeout. */
return n; /* Error or timeout. */
}
for (i = 0; i < fdt->size && n; i++)
@ -236,22 +236,44 @@ gpgme_wait (GpgmeCtx ctx, GpgmeError *status, int hang)
GpgmeError
_gpgme_wait_one (GpgmeCtx ctx)
{
GpgmeError err = 0;
int hang = 1;
DEBUG1 ("waiting... ctx=%p", ctx);
do
{
if (! do_select (&ctx->fdt))
hang = 0;
if (do_select (&ctx->fdt) < 0)
{
err = mk_error (File_Error);
hang = 0;
}
else
{
int any = 0;
int i;
LOCK (ctx->fdt.lock);
for (i = 0; i < ctx->fdt.size; i++)
{
if (ctx->fdt.fds[i].fd != -1)
{
any = 1;
break;
}
}
if (!any)
hang = 0;
UNLOCK (ctx->fdt.lock);
}
}
while (hang && !ctx->cancel);
if (ctx->cancel)
if (!err && ctx->cancel)
{
/* FIXME: Paranoia? */
ctx->cancel = 0;
ctx->pending = 0;
ctx->error = mk_error (Canceled);
}
return ctx->error;
return err ? err : ctx->error;
}
@ -261,8 +283,8 @@ _gpgme_wait_on_condition (GpgmeCtx ctx, int hang, volatile int *cond)
DEBUG3 ("waiting... ctx=%p hang=%d cond=%p", ctx, hang, cond);
do
{
if (! do_select (&fdt_global))
hang = 0;
/* XXX We are ignoring all errors from select here. */
do_select (&fdt_global);
if (cond && *cond)
hang = 0;