diff options
Diffstat (limited to 'async.c')
| -rw-r--r-- | async.c | 30 |
1 files changed, 15 insertions, 15 deletions
@@ -26,9 +26,6 @@ #include "qemu-aio.h" #include "main-loop.h" -/* Anchor of the list of Bottom Halves belonging to the context */ -static struct QEMUBH *first_bh; - /***********************************************************/ /* bottom halves (can be seen as timers which expire ASAP) */ @@ -41,27 +38,26 @@ struct QEMUBH { bool deleted; }; -QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) +QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque) { QEMUBH *bh; bh = g_malloc0(sizeof(QEMUBH)); bh->cb = cb; bh->opaque = opaque; - bh->next = first_bh; - first_bh = bh; + bh->next = ctx->first_bh; + ctx->first_bh = bh; return bh; } -int qemu_bh_poll(void) +int aio_bh_poll(AioContext *ctx) { QEMUBH *bh, **bhp, *next; int ret; - static int nesting = 0; - nesting++; + ctx->walking_bh++; ret = 0; - for (bh = first_bh; bh; bh = next) { + for (bh = ctx->first_bh; bh; bh = next) { next = bh->next; if (!bh->deleted && bh->scheduled) { bh->scheduled = 0; @@ -72,11 +68,11 @@ int qemu_bh_poll(void) } } - nesting--; + ctx->walking_bh--; /* remove deleted bhs */ - if (!nesting) { - bhp = &first_bh; + if (!ctx->walking_bh) { + bhp = &ctx->first_bh; while (*bhp) { bh = *bhp; if (bh->deleted) { @@ -120,11 +116,11 @@ void qemu_bh_delete(QEMUBH *bh) bh->deleted = 1; } -void qemu_bh_update_timeout(uint32_t *timeout) +void aio_bh_update_timeout(AioContext *ctx, uint32_t *timeout) { QEMUBH *bh; - for (bh = first_bh; bh; bh = bh->next) { + for (bh = ctx->first_bh; bh; bh = bh->next) { if (!bh->deleted && bh->scheduled) { if (bh->idle) { /* idle bottom halves will be polled at least @@ -140,3 +136,7 @@ void qemu_bh_update_timeout(uint32_t *timeout) } } +AioContext *aio_context_new(void) +{ + return g_new0(AioContext, 1); +} |