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[Qemu-ppc] [PATCH v6 2/6] Wrapper function to wait on condition for the
From: |
Aravinda Prasad |
Subject: |
[Qemu-ppc] [PATCH v6 2/6] Wrapper function to wait on condition for the main loop mutex |
Date: |
Tue, 12 Mar 2019 15:33:09 +0530 |
User-agent: |
StGit/0.17.1-dirty |
Introduce a wrapper function to wait on condition for
the main loop mutex. This function atomically releases
the main loop mutex and causes the calling thread to
block on the condition.
Signed-off-by: Aravinda Prasad <address@hidden>
---
cpus.c | 5 +++++
include/qemu/main-loop.h | 8 ++++++++
2 files changed, 13 insertions(+)
diff --git a/cpus.c b/cpus.c
index e83f72b..d9379e7 100644
--- a/cpus.c
+++ b/cpus.c
@@ -1858,6 +1858,11 @@ void qemu_mutex_unlock_iothread(void)
qemu_mutex_unlock(&qemu_global_mutex);
}
+void qemu_cond_wait_iothread(QemuCond *cond)
+{
+ qemu_cond_wait(cond, &qemu_global_mutex);
+}
+
static bool all_vcpus_paused(void)
{
CPUState *cpu;
diff --git a/include/qemu/main-loop.h b/include/qemu/main-loop.h
index f6ba78e..a6d20b0 100644
--- a/include/qemu/main-loop.h
+++ b/include/qemu/main-loop.h
@@ -295,6 +295,14 @@ void qemu_mutex_lock_iothread_impl(const char *file, int
line);
*/
void qemu_mutex_unlock_iothread(void);
+/*
+ * qemu_cond_wait_iothread: Wait on condition for the main loop mutex
+ *
+ * This function atomically releases the main loop mutex and causes
+ * the calling thread to block on the condition.
+ */
+void qemu_cond_wait_iothread(QemuCond *cond);
+
/* internal interfaces */
void qemu_fd_register(int fd);
- [Qemu-ppc] [PATCH v6 0/6] target-ppc/spapr: Add FWNMI support in QEMU for PowerKVM guests, Aravinda Prasad, 2019/03/12
- [Qemu-ppc] [PATCH v6 6/6] migration: Block migration while handling machine check, Aravinda Prasad, 2019/03/12
- [Qemu-ppc] [PATCH v6 4/6] target/ppc: Build rtas error log, Aravinda Prasad, 2019/03/12
- [Qemu-ppc] [PATCH v6 5/6] ppc: spapr: Enable FWNMI capability, Aravinda Prasad, 2019/03/12
- [Qemu-ppc] [PATCH v6 3/6] target/ppc: Handle NMI guest exit, Aravinda Prasad, 2019/03/12
- [Qemu-ppc] [PATCH v6 1/6] ppc: spapr: Handle "ibm, nmi-register" and "ibm, nmi-interlock" RTAS calls, Aravinda Prasad, 2019/03/12
- [Qemu-ppc] [PATCH v6 2/6] Wrapper function to wait on condition for the main loop mutex,
Aravinda Prasad <=
- Re: [Qemu-ppc] [PATCH v6 0/6] target-ppc/spapr: Add FWNMI support in QEMU for PowerKVM guests, Greg Kurz, 2019/03/12