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authorAravinda Prasad <arawinda.p@gmail.com>2020-01-31 00:14:17 +0530
committerDavid Gibson <david@gibson.dropbear.id.au>2020-02-03 11:33:10 +1100
commit19e067e032232b098a999dab15c6f0c8039114bd (patch)
treed70cec5a604d36139a22ecc7638fc438f5dc312d /cpus.c
parent254581039e9fd5e72e4ecbbcd881f8c85c164031 (diff)
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Wrapper function to wait on condition for the main loop mutex
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. This wrapper is required because qemu_global_mutex is a static variable. Signed-off-by: Aravinda Prasad <arawinda.p@gmail.com> Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Greg Kurz <groug@kaod.org> Message-Id: <20200130184423.20519-2-ganeshgr@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'cpus.c')
-rw-r--r--cpus.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/cpus.c b/cpus.c
index b612116..b4f8b84 100644
--- a/cpus.c
+++ b/cpus.c
@@ -1839,6 +1839,11 @@ 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;